1979 Cadillac DeVille Auto Trans Vacuum Modulators
Save up to 40% on original replacement 1979 Cadillac DeVille Auto Trans Vacuum Modulators. Navigate our online catalogue to find Auto Trans Vacuum Modulators and other parts designed specifically to fit a 1979 Cadillac DeVille.








Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
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: THM400; Transmission Speeds: 3;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
w/ 2.56 Axle Ratio Alternate Number
w/ 2.56 Axle Ratio Alternate Number






Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Tuesday Sep. 23rd
Pick-Up: Ready in 1 Hour Tuesday Sep. 23rd
Pick-Up: Ready in 1 Hour Tuesday Sep. 23rd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
w/ 2.56 Axle Ratio Exhaust stock and reorder
w/ 2.56 Axle Ratio Exhaust stock and reorder






Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Tuesday Sep. 23rd
Pick-Up: Ready in 1 Hour Tuesday Sep. 23rd
Pick-Up: Ready in 1 Hour Tuesday Sep. 23rd
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: THM400; Transmission Speeds: 3;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
w/ 2.56 Axle Ratio Alternate Number
w/ 2.56 Axle Ratio Alternate Number






Auto Trans Vacuum Modulator
$122.71
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
w/ 2.28, 2.73 or 3.08 Axle Ratio
w/ 2.28, 2.73 or 3.08 Axle Ratio






Auto Trans Vacuum Modulator
$110.30
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
w/ 2.28, 2.73 or 3.08 Axle Ratio
w/ 2.28, 2.73 or 3.08 Axle Ratio



Auto Trans Vacuum Modulator
Call for Pricing
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:
Brown screw Auto Trans Vacuum Modulator Use until inventory is depleted
Brown screw Auto Trans Vacuum Modulator Use until inventory is depleted



Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Vehicle Fitment Notes:
Brown screw Auto Trans Vacuum Modulator Use until inventory is depleted
Brown screw Auto Trans Vacuum Modulator Use until inventory is depleted