1979 Pontiac Catalina Auto Trans Extension Housing Seal
Navigate our online catalogue to find original replacement Auto Trans Extension Housing Seals specifically designed to fit a 1979 Pontiac Catalina.





Auto Trans Extension Housing Seal
$6.28
$5.73 CAD
10+ In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
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
$10.90 CAD
Limited Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM350;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); 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
$10.90 CAD
Limited Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
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
$10.90 CAD
Limited Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM350;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); 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
$10.90 CAD
Limited Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8); 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
$10.90 CAD
Limited Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); 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
$10.90 CAD
Limited Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM350;
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); 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
$10.90 CAD
Limited Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Transmission Code: THM350;
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
$7.57 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM350;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); 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
$7.57 CAD
Out of Stock
Condition: New
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
$7.57 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM350;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); 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
$7.57 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (3.80x3.85; 96.5x97.8); 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
$7.57 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); 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
$7.57 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM350;
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); 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
$7.57 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Transmission Code: THM350;
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