1975 GMC C15 Auto Trans Vacuum Modulator
Browse our online catalogue to find original replacement Auto Trans Vacuum Modulators specifically designed to fit a 1975 GMC C15.




1975 GMC C15 Auto Trans Vacuum Modulator
$108.02
In Stock
Condition: New
Ships: Today, Feb. 13th
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
Made in USA
Fits: 1975 GMC C15
Equipped With:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number




1975 GMC C15 Auto Trans Vacuum Modulator
$108.02
In Stock
Condition: New
Ships: Today, Feb. 13th
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
Made in USA
Fits: 1975 GMC C15
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 C15 Auto Trans Vacuum Modulator
$175.41
Limited Stock
Condition: New
Ships: Today, Feb. 13th
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: 1975 GMC C15
Equipped With:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder




1975 GMC C15 Auto Trans Vacuum Modulator
$175.41
Limited Stock
Condition: New
Ships: Today, Feb. 13th
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: 1975 GMC C15
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 C15 Auto Trans Vacuum Modulator
$109.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C15
Equipped With:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number





1975 GMC C15 Auto Trans Vacuum Modulator
$109.24
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C15
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 C15 Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C15
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 C15 Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 1975 GMC C15
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