1981 Chevrolet Monte Carlo Auto Trans Vacuum Modulators
Save up to 40% on original replacement 1981 Chevrolet Monte Carlo Auto Trans Vacuum Modulators. Navigate our online catalogue to find Auto Trans Vacuum Modulators and other parts designed specifically to fit a 1981 Chevrolet Monte Carlo.







Auto Trans Vacuum Modulator
$69.32
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
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;






Auto Trans Vacuum Modulator
$69.32
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
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;






Auto Trans Vacuum Modulator
$70.56
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;






Auto Trans Vacuum Modulator
$70.56
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;







Auto Trans Vacuum Modulator
$101.66
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;







Auto Trans Vacuum Modulator
$101.66
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;







Auto Trans Vacuum Modulator
$101.66
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM250C/M31;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM250C/M31;







Auto Trans Vacuum Modulator
$101.66
Out of Stock
Condition: New
Required Per Vehicle: 1
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;






Auto Trans Vacuum Modulator
$57.72
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM250C/M31;
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM250C/M31;






Auto Trans Vacuum Modulator
$57.72
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM350C;
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM350C;






Auto Trans Vacuum Modulator
$58.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM250C/M31;
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM250C/M31;






Auto Trans Vacuum Modulator
$58.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM350C;
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4); Transmission Code: THM350C;






Auto Trans Vacuum Modulator
$94.09
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM250C/M31;






Auto Trans Vacuum Modulator
$94.09
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;
Engine Base: 3.8L 229ci V6 (3.74x3.48; 94.9x88.4); Transmission Code: THM350C;






Auto Trans Vacuum Modulator
$94.09
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM250C/M31;
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4); Transmission Code: THM250C/M31;






Auto Trans Vacuum Modulator
$94.09
Call For Availability
Condition: New
Required Per Vehicle: 1
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;



Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4);
Engine Base: 4.4L 267ci V8 (3.50x3.48; 88.9x88.4);
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
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