1973 Pontiac Firebird Auto Trans Vacuum Modulators
Save up to 40% on original replacement 1973 Pontiac Firebird Auto Trans Vacuum Modulators. Navigate our online catalogue to find Auto Trans Vacuum Modulators and other parts designed specifically to fit a 1973 Pontiac Firebird.
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350;
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350C;
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350C;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$109.24
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
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); Transmission Code: THM350;
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
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); Transmission Code: THM350C;
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350;
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350C;
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350C;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$175.41
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); 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
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Engine Base: 4.1L 4097cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Engine Base: 4.1L 4098cc 250ci L6 (3.88x3.53; 98.4x89.7); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350;
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350C;
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350C;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 6.6L 6555cc 400ci V8 (4.12x3.75; 104.7x95.3); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number
Auto Trans Vacuum Modulator
$108.02
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Code: THM400; Transmission Speeds: 3;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Code: THM400; Transmission Speeds: 3;
Vehicle Fitment Notes:
Alternate Number
Alternate Number