1981 Mercury Grand Marquis Ported Vacuum Switch
Navigate our online catalogue to find original replacement Ported Vacuum Switches specifically designed to fit a 1981 Mercury Grand Marquis.







Ported Vacuum Switch
$98.08
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: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
Yellow 3 Ports
Yellow 3 Ports






Ported Vacuum Switch
$98.08
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: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Yellow 3 Ports
Yellow 3 Ports






Ported Vacuum Switch
$98.08
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);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Yellow 3 Ports
Yellow 3 Ports







Ported Vacuum Switch
$74.51
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);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
w/ Calif. Emissions Black Finish 3 Ports
w/ Calif. Emissions Black Finish 3 Ports






Ported Vacuum Switch
$75.84
In Stock
Condition: New
Ships: Today, Oct. 3rd
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);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
w/ Calif. Emissions Black Finish 3 Ports
w/ Calif. Emissions Black Finish 3 Ports






Ported Vacuum Switch
$75.84
In Stock
Condition: New
Ships: Today, Oct. 3rd
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);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
with black finish w/ Calif. Emissions 3 Ports
with black finish w/ Calif. Emissions 3 Ports






Ported Vacuum Switch
$99.84
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
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: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
Yellow 3 Ports
Yellow 3 Ports






Ported Vacuum Switch
$99.84
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
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: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Yellow 3 Ports
Yellow 3 Ports






Ported Vacuum Switch
$99.84
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
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);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Yellow 3 Ports
Yellow 3 Ports






Ported Vacuum Switch
$56.51
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
Orange 3 Ports
Orange 3 Ports






Ported Vacuum Switch
$56.51
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Orange 3 Ports
Orange 3 Ports






Ported Vacuum Switch
$56.51
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);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Orange 3 Ports
Orange 3 Ports







Ported Vacuum Switch
$80.78
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
Brown 3 Ports
Brown 3 Ports







Ported Vacuum Switch
$80.78
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Brown 3 Ports
Brown 3 Ports







Ported Vacuum Switch
$80.78
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Brown 3 Ports
Brown 3 Ports







Ported Vacuum Switch
$88.26
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
w/o Solenoid Green 3 Ports
w/o Solenoid Green 3 Ports







Ported Vacuum Switch
$88.26
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
w/o Solenoid Green 3 Ports
w/o Solenoid Green 3 Ports







Ported Vacuum Switch
$88.26
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
w/o Solenoid Green 3 Ports
w/o Solenoid Green 3 Ports






Ported Vacuum Switch
$58.47
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
Orange 3 Ports
Orange 3 Ports






Ported Vacuum Switch
$58.47
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Orange 3 Ports
Orange 3 Ports






Ported Vacuum Switch
$58.47
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Orange 3 Ports
Orange 3 Ports






Ported Vacuum Switch
$74.74
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
Brown 3 Ports
Brown 3 Ports






Ported Vacuum Switch
$74.74
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Brown 3 Ports
Brown 3 Ports






Ported Vacuum Switch
$74.74
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Brown 3 Ports
Brown 3 Ports






Ported Vacuum Switch
$81.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
w/o Solenoid Green 3 Ports
w/o Solenoid Green 3 Ports






Ported Vacuum Switch
$81.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Engine Base: 4.2L 255ci V8 (3.68x3.00; 93.5x76.2);
Vehicle Fitment Notes:
without solenoid green 3 Ports
without solenoid green 3 Ports






Ported Vacuum Switch
$81.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
w/o Solenoid Green 3 Ports
w/o Solenoid Green 3 Ports






Ported Vacuum Switch
$81.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
without solenoid green 3 Ports
without solenoid green 3 Ports






Ported Vacuum Switch
$81.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
w/o Solenoid Green 3 Ports
w/o Solenoid Green 3 Ports






Ported Vacuum Switch
$81.68
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
without solenoid green 3 Ports
without solenoid green 3 Ports