1975 GMC C25 Auto Trans Vacuum Modulator
Browse our online catalogue to find original replacement Auto Trans Vacuum Modulators specifically designed to fit a 1975 GMC C25.




1975 GMC C25 Auto Trans Vacuum Modulator
$108.02
In Stock
Condition: New
Ships: Friday Feb. 13th
Pick-Up: Ready in 1 Hour Friday Feb. 13th
Pick-Up: Ready in 1 Hour Friday Feb. 13th
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C25
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number




1975 GMC C25 Auto Trans Vacuum Modulator
$175.41
Limited Stock
Condition: New
Ships: Friday Feb. 13th
Pick-Up: Ready in 1 Hour Friday Feb. 13th
Pick-Up: Ready in 1 Hour Friday Feb. 13th
Required Per Vehicle: 1
Fits: 1975 GMC C25
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder





1975 GMC C25 Auto Trans Vacuum Modulator
$109.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C25
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number

1975 GMC C25 Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C25
Equipped With:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3);
Vehicle Fitment Notes:
Use until inventory is depleted Auto Trans Vacuum Modulator
Use until inventory is depleted Auto Trans Vacuum Modulator

1975 GMC C25 Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C25
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Use until inventory is depleted Auto Trans Vacuum Modulator
Use until inventory is depleted Auto Trans Vacuum Modulator