1970 GMC P25/P2500 Van Auto Trans Extension Housing Seal
Navigate our online catalogue to find original replacement Auto Trans Extension Housing Seals specifically designed to fit a 1970 GMC P25/P2500 Van.




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



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



Auto Trans Extension Housing Seal
$12.25
$11.02
10+ In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
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
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
In Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Speeds: 3; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Speeds: 3; Transmission Type: Transmission;



Auto Trans Extension Housing Seal
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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, 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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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, 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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 307ci V8;
Engine Base: 5.0L 307ci 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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 307ci V8;
Engine Base: 5.0L 307ci 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 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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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 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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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
$10.39
In Stock
Ships: Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
Pick-Up: Ready in 1 Hour Thursday Oct. 2nd
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 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
$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) Shaft with General Motors Transmission
with THM400 Transmission Code with 1.687 (in) Shaft with General Motors Transmission

Auto Trans Extension Housing Seal
$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
$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
$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
$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
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 307ci V8;
Engine Base: 5.0L 307ci V8;
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
$7.57
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 307ci V8;
Engine Base: 5.0L 307ci V8;
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
$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
$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

Auto Trans Extension Housing Seal
$7.57
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:
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
$7.57
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:
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
$7.57
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:
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
$7.57
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:
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