1974 Chevrolet C20 Pickup Auto Trans Extension Housing Seals
Save up to 40% on original replacement 1974 Chevrolet C20 Pickup Auto Trans Extension Housing Seals. Navigate our online catalogue to find Auto Trans Extension Housing Seals and other parts designed specifically to fit a 1974 Chevrolet C20 Pickup.




Auto Trans Extension Housing Seal
$16.88
$15.19
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle Fitment Notes:
1.69 in. Shaft
1.69 in. Shaft



Auto Trans Extension Housing Seal
$16.88
$15.19
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Code: THM400; Transmission Speeds: 3; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Code: THM400; Transmission Speeds: 3; Transmission Type: Transmission;
Vehicle Fitment Notes:
1.69 in. Shaft
1.69 in. Shaft



Auto Trans Extension Housing Seal
$12.25
$11.02
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle Fitment Notes:
1.89 in. Shaft
1.89 in. Shaft



Auto Trans Extension Housing Seal
$12.25
$11.02
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Code: THM400; Transmission Speeds: 3; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Code: THM400; Transmission Speeds: 3; Transmission Type: Transmission;
Vehicle Fitment Notes:
1.89 in. Shaft
1.89 in. Shaft







Auto Trans Extension Housing Seal
$6.28
$5.39
10+ In Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day







Auto Trans Extension Housing Seal
$6.28
$5.39
10+ In Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Code: THM350; Transmission Speeds: 3; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Code: THM350; Transmission Speeds: 3; Transmission Type: Transmission;



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8;
Engine Base: 7.4L 454ci V8;
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8;
Engine Base: 7.4L 454ci V8;
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5"



Auto Trans Extension Housing Seal
$12.13
$14.09
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400
w/ Long Extension; More Than 133" WB; W/O Boot Outer Diameter: 2.5" Only Fits THM400



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6;
Engine Base: 4.8L 292ci L6;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6;
Engine Base: 4.8L 292ci L6;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350, THM400
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM350, THM400



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8;
Engine Base: 7.4L 454ci V8;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8;
Engine Base: 7.4L 454ci V8;
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM400
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM400



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM400
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM400



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output



Auto Trans Extension Housing Seal
$7.70
$10.39
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM400
W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output Only Fits THM400



Auto Trans Extension Housing Seal
$10.04
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
with THM400 Transmission Code with 1.687 (in) Ring Gear with General Motors Transmission
with THM400 Transmission Code with 1.687 (in) Ring Gear with General Motors Transmission





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8;
Engine Base: 7.4L 454ci V8;
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 454ci V8;
Engine Base: 7.4L 454ci V8;
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7439cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"





Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 7441cc 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400
w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625" Only Fits THM400

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6;
Engine Base: 4.8L 292ci L6;
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 292ci L6;
Engine Base: 4.8L 292ci L6;
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4786cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 4801cc 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

Auto Trans Extension Housing Seal
$4.09
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350
Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring Only Fits THM350