1977 GMC C25 Auto Trans Extension Housing Seals
Save up to 40% on original replacement 1977 GMC C25 Auto Trans Extension Housing Seals. Navigate our online catalogue to find Auto Trans Extension Housing Seals and other parts designed specifically to fit a 1977 GMC C25.
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:
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
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: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400;
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
$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 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
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 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
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: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
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); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
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
$10.04
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Transmission Code: THM400;
Transmission Code: THM400;
Vehicle Fitment Notes:
with 1.687 (in) Shaft
with 1.687 (in) Shaft
Auto Trans Extension Housing Seal
$7.96
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Code: THM400; Transmission Speeds: 3;
Transmission Control Type: Automatic; Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
with 1.89 (in) Shaft
with 1.89 (in) Shaft
Auto Trans Extension Housing Seal
$4.48
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Code: THM350; Transmission Speeds: 3;
Transmission Control Type: Automatic; Transmission Code: THM350; Transmission Speeds: 3;
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 (4.25x4.00; 108.0x101.6); Transmission Code: THM400;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400;
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
$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 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
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 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8); Transmission Code: THM350;
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: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350;
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); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
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