1977 Pontiac Bonneville Auto Trans Vacuum Modulator
Navigate our online catalogue to find original replacement Auto Trans Vacuum Modulators specifically designed to fit a 1977 Pontiac Bonneville.







Auto Trans Vacuum Modulator
$69.32
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
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;






Auto Trans Vacuum Modulator
$69.32
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM350;
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM350;







Auto Trans Vacuum Modulator
$109.24
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: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number







Auto Trans Vacuum Modulator
$109.24
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: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number







Auto Trans Vacuum Modulator
$109.24
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: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number






Auto Trans Vacuum Modulator
$175.41
Limited Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder






Auto Trans Vacuum Modulator
$175.41
Limited Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder






Auto Trans Vacuum Modulator
$175.41
Limited Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder






Auto Trans Vacuum Modulator
$70.56
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
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;






Auto Trans Vacuum Modulator
$70.56
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM350;
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM350;






Auto Trans Vacuum Modulator
$108.02
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number






Auto Trans Vacuum Modulator
$108.02
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number






Auto Trans Vacuum Modulator
$108.02
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Pick-Up: Ready in 1 Hour Monday Oct. 6th
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number






Auto Trans Vacuum Modulator
$57.72
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM350;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM350;






Auto Trans Vacuum Modulator
$57.72
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Engine VIN: R; Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Engine VIN: R; Transmission Code: THM350;
Vehicle Fitment Notes:
w/o High Altitude Emissions
w/o High Altitude Emissions






Auto Trans Vacuum Modulator
$58.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM350;
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2); Transmission Code: THM350;






Auto Trans Vacuum Modulator
$58.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Engine VIN: R; Transmission Code: THM350;
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0); Engine VIN: R; Transmission Code: THM350;
Vehicle Fitment Notes:
w/o High Altitude Emissions
w/o High Altitude Emissions



Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2);
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: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3);
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3);
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: 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: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
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: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 4.9L 301ci V8 (4.00x3.00; 101.6x76.2);
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: 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:
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: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3);
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3);
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: 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:
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: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
Engine Base: 6.6L 403ci V8 (4.35x3.39; 110.5x86.0);
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