1966 GMC I2500 Auto Trans Vacuum Modulators
Save up to 40% on original replacement 1966 GMC I2500 Auto Trans Vacuum Modulators. Navigate our online catalogue to find Auto Trans Vacuum Modulators and other parts designed specifically to fit a 1966 GMC I2500.







Auto Trans Vacuum Modulator
$68.27
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);






Auto Trans Vacuum Modulator
$69.50
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7);