1978 GMC C15 Auto Trans Vacuum Modulator
Navigate our online catalogue to find original replacement Auto Trans Vacuum Modulators specifically designed to fit a 1978 GMC C15.
Auto Trans Vacuum Modulator
$69.32 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
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;
Auto Trans Vacuum Modulator
$69.32 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Auto Trans Vacuum Modulator
$70.56 CAD
In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
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;
Auto Trans Vacuum Modulator
$70.56 CAD
In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Auto Trans Vacuum Modulator
$108.02 CAD
In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Auto Trans Vacuum Modulator
$108.02 CAD
In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Auto Trans Vacuum Modulator
$108.02 CAD
In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
w/ Green Stripe
w/ Green Stripe
Auto Trans Vacuum Modulator
$108.02 CAD
In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
with green stripe
with green stripe
Auto Trans Vacuum Modulator
$108.02 CAD
In Stock
Condition: New
Ships: Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Pick-Up: Ready in 1 Hour Friday Nov. 7th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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;
Auto Trans Vacuum Modulator
$109.24 CAD
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); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350;
Auto Trans Vacuum Modulator
$109.24 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Transmission Code: THM350;
Auto Trans Vacuum Modulator
$109.24 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
w/ Green Stripe
w/ Green Stripe
Auto Trans Vacuum Modulator
$109.24 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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;
Auto Trans Vacuum Modulator
$174.67 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Green
Green
Auto Trans Vacuum Modulator
$57.72 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
w/ Blue Stripe
w/ Blue Stripe
Auto Trans Vacuum Modulator
$58.68 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
w/ Blue Stripe
w/ Blue Stripe
Auto Trans Vacuum Modulator
$58.68 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350;
Vehicle Fitment Notes:
with blue stripe
with blue stripe
Auto Trans Vacuum Modulator
$157.02 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Green
Green
Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
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:
Black screw Auto Trans Vacuum Modulator Use until inventory is depleted
Black 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: 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:
Black screw Auto Trans Vacuum Modulator Use until inventory is depleted
Black 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: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Black screw Auto Trans Vacuum Modulator Use until inventory is depleted
Black 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: 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:
Black screw Auto Trans Vacuum Modulator Use until inventory is depleted
Black 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: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
Black screw Auto Trans Vacuum Modulator Use until inventory is depleted
Black 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: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Vehicle Fitment Notes:
Black screw Auto Trans Vacuum Modulator Use until inventory is depleted
Black 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: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Black screw Auto Trans Vacuum Modulator Use until inventory is depleted
Black 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: 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:
No color code Auto Trans Vacuum Modulator Use until inventory is depleted
No color code 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: 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:
No color code Auto Trans Vacuum Modulator Use until inventory is depleted
No color code 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: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
No color code Auto Trans Vacuum Modulator Use until inventory is depleted
No color code 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: 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:
No color code Auto Trans Vacuum Modulator Use until inventory is depleted
No color code 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: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
No color code Auto Trans Vacuum Modulator Use until inventory is depleted
No color code 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: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5);
Vehicle Fitment Notes:
No color code Auto Trans Vacuum Modulator Use until inventory is depleted
No color code 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: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
No color code Auto Trans Vacuum Modulator Use until inventory is depleted
No color code Auto Trans Vacuum Modulator Use until inventory is depleted