1981 GMC G2500 Ported Vacuum Switches
Save up to 40% on original replacement 1981 GMC G2500 Ported Vacuum Switches. Navigate our online catalogue to find Ported Vacuum Switches and other parts designed specifically to fit a 1981 GMC G2500.







Ported Vacuum Switch
$105.67
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);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
OE No. 3041970 Black Finish 4 Ports
OE No. 3041970 Black Finish 4 Ports






Ported Vacuum Switch
$105.67
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: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
OE No. 3041970 Black Finish 4 Ports
OE No. 3041970 Black Finish 4 Ports






Ported Vacuum Switch
$83.99
Limited 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
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Gray 4 Ports
Gray 4 Ports







Ported Vacuum Switch
$93.25
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);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Purple 2 Ports
Purple 2 Ports







Ported Vacuum Switch
$83.21
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: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Dark Blue 2 Ports
Dark Blue 2 Ports






Ported Vacuum Switch
$94.92
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 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);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
Purple 2 Ports
Purple 2 Ports






Ported Vacuum Switch
$84.71
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Dark Blue 2 Ports
Dark Blue 2 Ports






Ported Vacuum Switch
$85.50
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Gray 4 Ports
Gray 4 Ports






Ported Vacuum Switch
$107.57
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 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);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
OE No. 3041970 Black Finish 4 Ports
OE No. 3041970 Black Finish 4 Ports






Ported Vacuum Switch
$107.57
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 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);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4);
Vehicle Fitment Notes:
with black finish OE No. 3041970 4 Ports
with black finish OE No. 3041970 4 Ports






Ported Vacuum Switch
$107.57
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
OE No. 3041970 Black Finish 4 Ports
OE No. 3041970 Black Finish 4 Ports






Ported Vacuum Switch
$107.57
In Stock
Ships: Monday Sep. 29th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
with black finish OE No. 3041970 4 Ports
with black finish OE No. 3041970 4 Ports




Ported Vacuum Switch
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Gray 4 Ports BWD P Series
Gray 4 Ports BWD P Series