1978 Pontiac Grand Prix Auto Trans Extension Housing Seal
Navigate our online catalogue to find original replacement Auto Trans Extension Housing Seals specifically designed to fit a 1978 Pontiac Grand Prix.








Auto Trans Extension Housing Seal
$6.28
$5.39
In Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Code: THM200/M29; Transmission Speeds: 3; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Code: THM200/M29; Transmission Speeds: 3; Transmission Type: Transmission;







Auto Trans Extension Housing Seal
$6.28
$5.39
In Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
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
$10.39
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM200/M29;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM200/M29;
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
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM200/M29;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM200/M29;
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
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM200/M29;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM200/M29;
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
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Transmission Code: THM200/M29;
Transmission Code: THM200/M29;
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
$4.48
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Transmission Control Type: Automatic; Transmission Code: THM200/M29; Transmission Speeds: 3;
Transmission Control Type: Automatic; Transmission Code: THM200/M29; Transmission Speeds: 3;



Auto Trans Extension Housing Seal
$4.48
Call For Availability
Condition: New
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;