1978 Cadillac DeVille Auto Trans Extension Housing Seal
Browse our online catalogue to find original replacement Auto Trans Extension Housing Seals specifically designed to fit a 1978 Cadillac DeVille.

1978 Cadillac DeVille Auto Trans Extension Housing Seal
$12.25
$9.49
10+ In Stock
Condition: New
Ships: Today, Feb. 16th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 1
Fits: 1978 Cadillac DeVille
Equipped With:
Transmission Control Type: Automatic; Transmission Speeds: 3; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Speeds: 3; Transmission Type: Transmission;
Vehicle Fitment Notes:
1.89 in. Shaft
1.89 in. Shaft

1978 Cadillac DeVille Auto Trans Extension Housing Seal
$16.88
$13.10
In Stock
Condition: New
Ships: Today, Feb. 16th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 1
Fits: 1978 Cadillac DeVille
Equipped With:
Transmission Control Type: Automatic; Transmission Speeds: 3; Transmission Type: Transmission;
Transmission Control Type: Automatic; Transmission Speeds: 3; Transmission Type: Transmission;
Vehicle Fitment Notes:
1.69 in. Shaft
1.69 in. Shaft





1978 Cadillac DeVille Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1978 Cadillac DeVille
Equipped With:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1); Transmission Code: THM400;
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1); 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"





1978 Cadillac DeVille Auto Trans Extension Housing Seal
$9.79
$9.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1978 Cadillac DeVille
Equipped With:
Transmission Code: THM400;
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"