1981 Pontiac Bonneville Auto Trans Modulator Valve
Navigate our online catalogue to find original replacement Auto Trans Modulator Valves specifically designed to fit a 1981 Pontiac Bonneville.







Auto Trans Modulator Valve
$69.32 CAD
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: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Vehicle Fitment Notes:
w/ Calif. Emissions
w/ Calif. Emissions






Auto Trans Modulator Valve
$70.56 CAD
In Stock
Condition: New
Ships: Thursday Oct. 9th
Pick-Up: Ready in 1 Hour Wednesday Oct. 8th
Pick-Up: Ready in 1 Hour Wednesday Oct. 8th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Vehicle Fitment Notes:
w/ Calif. Emissions
w/ Calif. Emissions



Auto Trans Modulator Valve
$41.49
$37.55 CAD
In Stock
Condition: New
Ships: Thursday Oct. 9th
Pick-Up: Ready in 1 Hour Wednesday Oct. 8th
Pick-Up: Ready in 1 Hour Wednesday Oct. 8th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM350C;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM350C;
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
$37.55 CAD
In Stock
Condition: New
Ships: Thursday Oct. 9th
Pick-Up: Ready in 1 Hour Wednesday Oct. 8th
Pick-Up: Ready in 1 Hour Wednesday Oct. 8th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350C;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350C;
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 CAD
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
Made in USA
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM350C;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM350C;
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
$41.49
$25.10 CAD
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
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350C;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Transmission Code: THM350C;
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
$57.72 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Engine VIN: A; Transmission Code: THM350C;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Engine VIN: A; Transmission Code: THM350C;






Auto Trans Modulator Valve
$73.25 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Vehicle Fitment Notes:
w/ Federal Emissions
w/ Federal Emissions






Auto Trans Modulator Valve
$58.68 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Engine VIN: A; Transmission Code: THM350C;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Engine VIN: A; Transmission Code: THM350C;






Auto Trans Modulator Valve
$67.79 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Engine VIN: N; Transmission Code: THM350C;
Vehicle Fitment Notes:
w/ Federal Emissions
w/ Federal Emissions

Auto Trans Modulator Valve
$95.85
$62.95 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM350C;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); 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 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.3L 265ci V8 (3.75x3.00; 95.3x76.1); Transmission Code: THM350C;
Engine Base: 4.3L 265ci V8 (3.75x3.00; 95.3x76.1); 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 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); Transmission Code: THM350C;
Engine Base: 5.0L 307ci V8 (3.80x3.39; 96.5x86.1); 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 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: THM350C;
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); 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