1978 Mercury Grand Marquis Auto Trans Vacuum Modulator
Navigate our online catalogue to find original replacement Auto Trans Vacuum Modulators specifically designed to fit a 1978 Mercury Grand Marquis.







Auto Trans Vacuum Modulator
$127.51 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: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Blue Stripe
w/ Single Diaphragm w/ Blue Stripe






Auto Trans Vacuum Modulator
$127.51 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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Blue Stripe
w/ Single Diaphragm w/ Blue Stripe






Auto Trans Vacuum Modulator
$63.62 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: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$63.62 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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$126.09 CAD
In Stock
Condition: New
Ships: Today, Oct. 10th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Blue Stripe
w/ Single Diaphragm w/ Blue Stripe






Auto Trans Vacuum Modulator
$126.09 CAD
In Stock
Condition: New
Ships: Today, Oct. 10th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
with blue stripe w/ Single Diaphragm
with blue stripe w/ Single Diaphragm






Auto Trans Vacuum Modulator
$126.09 CAD
In Stock
Condition: New
Ships: Today, Oct. 10th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Blue Stripe
w/ Single Diaphragm w/ Blue Stripe






Auto Trans Vacuum Modulator
$126.09 CAD
In Stock
Condition: New
Ships: Today, Oct. 10th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
with blue stripe w/ Single Diaphragm
with blue stripe w/ Single Diaphragm






Auto Trans Vacuum Modulator
$64.76 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$64.76 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Vehicle Fitment Notes:
with green stripe w/ Single Diaphragm
with green stripe w/ Single Diaphragm






Auto Trans Vacuum Modulator
$64.76 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$64.76 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Vehicle Fitment Notes:
with green stripe w/ Single Diaphragm
with green stripe w/ Single Diaphragm






Auto Trans Vacuum Modulator
$72.01 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$72.01 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6); Transmission Code: FMX;
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6); Transmission Code: FMX;






Auto Trans Vacuum Modulator
$72.01 CAD
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$73.21 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$73.21 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
with green stripe w/ Single Diaphragm
with green stripe w/ Single Diaphragm






Auto Trans Vacuum Modulator
$73.21 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6); Transmission Code: FMX;
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6); Transmission Code: FMX;






Auto Trans Vacuum Modulator
$73.21 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
w/ Single Diaphragm w/ Green Stripe
w/ Single Diaphragm w/ Green Stripe






Auto Trans Vacuum Modulator
$73.21 CAD
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Control Type: Automatic;
Vehicle Fitment Notes:
with green stripe w/ Single Diaphragm
with green stripe w/ Single Diaphragm



Auto Trans Vacuum Modulator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Transmission Code: C6;
Vehicle Fitment Notes:
Black stripe Auto Trans Vacuum Modulator Use until inventory is depleted
Black stripe 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 (4.00x4.00; 101.6x101.6); Transmission Code: C6;
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6); Transmission Code: C6;
Vehicle Fitment Notes:
Black stripe Auto Trans Vacuum Modulator Use until inventory is depleted
Black stripe 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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8); Transmission Code: C6;
Vehicle Fitment Notes:
Black stripe Auto Trans Vacuum Modulator Use until inventory is depleted
Black stripe Auto Trans Vacuum Modulator Use until inventory is depleted