1981 GMC C2500 Exhaust Pipe Flange Gasket
Browse our online catalogue to find original replacement Exhaust Pipe Flange Gaskets specifically designed to fit a 1981 GMC C2500.

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.79
$5.52
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Donut Packing Ring 2-1/32 (in) Inside Diameter
Donut Packing Ring 2-1/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.79
$5.52
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
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:
Donut Packing Ring 2-1/32 (in) Inside Diameter
Donut Packing Ring 2-1/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.79
$5.52
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
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:
Donut Packing Ring 2-1/32 (in) Inside Diameter
Donut Packing Ring 2-1/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.79
$5.97
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Engine Base: 4.8L 292ci L6 (3.88x4.13; 98.4x104.8);
Vehicle Fitment Notes:
Optional Sintered Metal 2-1/32 (in) Inside Diameter
Optional Sintered Metal 2-1/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.79
$5.97
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
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:
Optional Sintered Metal 2-1/32 (in) Inside Diameter
Optional Sintered Metal 2-1/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.79
$5.97
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
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:
Optional Sintered Metal 2-1/32 (in) Inside Diameter
Optional Sintered Metal 2-1/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$25.35
$22.02
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pipe (Inlet)
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 417.8cm (164.5in.);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 417.8cm (164.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Left Hand and Right Hand Donut Packing Ring 2-1/2 (in) Inside diameter Steel sleeve to manifold
Do Not Use with Federal or H5D Emissions System Left Hand and Right Hand Donut Packing Ring 2-1/2 (in) Inside diameter Steel sleeve to manifold

1981 GMC C2500 Exhaust Pipe Flange Gasket
$25.35
$22.02
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pipe Inlet (Left)
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
Donut Packing Ring 2-1/2 (in) Inside diameter Steel sleeve to manifold
Donut Packing Ring 2-1/2 (in) Inside diameter Steel sleeve to manifold

1981 GMC C2500 Exhaust Pipe Flange Gasket
$9.96
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Y-Pipe Inlets
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Delivery Sub-Type: 4BBL; Wheel Base: 334.0cm (131.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Delivery Sub-Type: 4BBL; Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
with Single Exhaust without Converter
with Single Exhaust without Converter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$9.96
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Y-Pipe Inlets
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Delivery Sub-Type: 4BBL; Wheel Base: 417.8cm (164.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Fuel Delivery Sub-Type: 4BBL; Wheel Base: 417.8cm (164.5in.);
Vehicle Fitment Notes:
with Single Exhaust without Converter
with Single Exhaust without Converter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$5.18
$4.54
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
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:
Donut Packing Ring 2-17/32 (in) Inside Diameter
Donut Packing Ring 2-17/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$5.18
$4.54
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
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:
Donut Packing Ring 2-17/32 (in) Inside Diameter
Donut Packing Ring 2-17/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$5.18
$4.54
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Donut Packing Ring 2-17/32 (in) Inside Diameter
Donut Packing Ring 2-17/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.63
$5.95
In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
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:
Optional Sintered Metal 2-17/32 (in) Inside Diameter
Optional Sintered Metal 2-17/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.63
$5.95
In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
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:
Optional Sintered Metal 2-17/32 (in) Inside Diameter
Optional Sintered Metal 2-17/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$6.63
$5.95
In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
Optional Sintered Metal 2-17/32 (in) Inside Diameter
Optional Sintered Metal 2-17/32 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$32.71
$21.36
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Y-Pipe Inlets
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Wheel Base: 334.0cm (131.5in.);
Engine Base: 5.0L 305ci V8 (3.74x3.48; 94.9x88.4); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
with Dual Outlets with Single Catalytic Converter
with Dual Outlets with Single Catalytic Converter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$32.71
$21.36
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Y-Pipe Inlets
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
with Dual Exhaust with Single Catalytic Converter
with Dual Exhaust with Single Catalytic Converter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$32.71
$21.36
10+ In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Y-Pipe Inlets
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5); Wheel Base: 334.0cm (131.5in.);
Vehicle Fitment Notes:
with Single Catalytic Converter with Single Exhaust
with Single Catalytic Converter with Single Exhaust

1981 GMC C2500 Exhaust Pipe Flange Gasket
$33.27
$21.75
In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pipe Inlet (Left)
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);

1981 GMC C2500 Exhaust Pipe Flange Gasket
$33.27
$21.75
In Stock
Condition: New
Ships: Today, Feb. 19th
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pipe (Inlet)
Required Per Vehicle: 2
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 417.8cm (164.5in.);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 417.8cm (164.5in.);
Vehicle Fitment Notes:
Do Not Use with Federal or H5D Emissions System Left Hand and Right Hand
Do Not Use with Federal or H5D Emissions System Left Hand and Right Hand

1981 GMC C2500 Exhaust Pipe Flange Gasket
$17.84
$12.93
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Pipe Inlet (Right)
Required Per Vehicle: 1
Fits: 1981 GMC C2500
Equipped With:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6); Wheel Base: 334.0cm (131.5in.);

1981 GMC C2500 Exhaust Pipe Flange Gasket
$22.67
$19.41
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
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:
Donut Packing Ring 1-3/4 (in) Inside Diameter
Donut Packing Ring 1-3/4 (in) Inside Diameter

1981 GMC C2500 Exhaust Pipe Flange Gasket
$22.67
$19.41
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Manifold To Front Pipe
Required Per Vehicle: 1
Made in USA
Fits: 1981 GMC C2500
Equipped With:
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:
Donut Packing Ring 1-3/4 (in) Inside Diameter
Donut Packing Ring 1-3/4 (in) Inside Diameter