1975 Pontiac Firebird Auto Trans Modulator Valves
Save up to 40% on original replacement 1975 Pontiac Firebird Auto Trans Modulator Valves. Navigate our online catalogue to find Auto Trans Modulator Valves and other parts designed specifically to fit a 1975 Pontiac Firebird.








Auto Trans Modulator Valve
$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 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







Auto Trans Modulator Valve
$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 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350C;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number







Auto Trans Modulator Valve
$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 Modulator Valve
$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 Modulator Valve
$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 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:
Alternate Number
Alternate Number







Auto Trans Modulator Valve
$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 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350C;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number






Auto Trans Modulator Valve
$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 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






Auto Trans Modulator Valve
$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 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350C;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder






Auto Trans Modulator Valve
$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 Modulator Valve
$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 Modulator Valve
$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 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:
Exhaust stock and reorder
Exhaust stock and reorder






Auto Trans Modulator Valve
$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 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350C;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350C;
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder






Auto Trans Modulator Valve
$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 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






Auto Trans Modulator Valve
$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 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350C;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number






Auto Trans Modulator Valve
$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 Modulator Valve
$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 Modulator Valve
$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 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:
Alternate Number
Alternate Number






Auto Trans Modulator Valve
$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 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350C;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Code: THM350C;
Vehicle Fitment Notes:
Alternate Number
Alternate Number



Auto Trans Modulator Valve
$41.49
$37.55
10+ 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
Vehicle fitment:
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Control Type: Automatic; Transmission Code: THM400;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Control Type: Automatic; Transmission Code: THM400;
Vehicle Fitment Notes:
1 Red Stripe; 3.73:1, or 4.10:1 Ratio Includes: (1) hose Length: 2.959"
1 Red Stripe; 3.73:1, or 4.10:1 Ratio Includes: (1) hose Length: 2.959"



Auto Trans Modulator Valve
$41.49
$25.10
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
Made in USA
Vehicle fitment:
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Control Type: Automatic; Transmission Code: THM400;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Control Type: Automatic; Transmission Code: THM400;
Vehicle Fitment Notes:
1 Red Stripe; 3.21:1, 3.40:1, 3.73:1, or 4.11:1 Ratio; Adj 12.5-18 - Eda 1.75 - Red Stripe Length: 2.959"
1 Red Stripe; 3.21:1, 3.40:1, 3.73:1, or 4.11:1 Ratio; Adj 12.5-18 - Eda 1.75 - Red Stripe Length: 2.959"

Auto Trans Modulator Valve
$95.85
$62.95
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Control Type: Automatic;
Engine Base: 4.1L 250ci L6 (3.68x3.91; 93.5x99.3); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR

Auto Trans Modulator Valve
$95.85
$62.95
Out of Stock
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 Control Type: Automatic;
Engine Base: 5.7L 5733cc 350ci V8 (3.88x3.75; 98.4x95.3); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR

Auto Trans Modulator Valve
$95.85
$62.95
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Control Type: Automatic;
Engine Base: 6.6L 400ci V8 (4.13x3.76; 104.8x95.5); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR

Auto Trans Modulator Valve
$95.85
$62.95
Out of Stock
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 Control Type: Automatic; Transmission Code: THM350;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Control Type: Automatic; Transmission Code: THM350;
Vehicle Fitment Notes:
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR

Auto Trans Modulator Valve
$95.85
$62.95
Out of Stock
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 Control Type: Automatic; Transmission Code: THM350C;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Control Type: Automatic; Transmission Code: THM350C;
Vehicle Fitment Notes:
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR

Auto Trans Modulator Valve
$95.85
$62.95
Out of Stock
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 Control Type: Automatic; Transmission Code: THM400;
Engine Base: 7.5L 7456cc 455ci V8 (4.15x4.21; 105.4x107.0); Transmission Control Type: Automatic; Transmission Code: THM400;
Vehicle Fitment Notes:
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR
Adj 12-19.5 - Eda 2.48 - Black/Red - W/ EGR