1979 Cadillac Fleetwood Auto Trans Vacuum Modulator
Navigate our online catalogue to find original replacement Auto Trans Vacuum Modulators specifically designed to fit a 1979 Cadillac Fleetwood.








Auto Trans Vacuum Modulator
$109.24 CAD
In Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
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 CAD
Limited Stock
Condition: New
Ships: Monday Oct. 13th
Pick-Up: Ready in 1 Hour Monday Oct. 13th
Pick-Up: Ready in 1 Hour Monday Oct. 13th
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 CAD
In Stock
Condition: New
Ships: Monday Oct. 13th
Pick-Up: Ready in 1 Hour Monday Oct. 13th
Pick-Up: Ready in 1 Hour Monday Oct. 13th
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 CAD
Out of Stock
Condition: New
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 CAD
Call For Availability
Condition: New
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
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
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