Perforated Steel
Composite
Composite
Port Size: 2.038 x 1.869 Port Shape: D-Shape Compressed Thickness: .064 Material: Armor
Material: Armor Compressed Thickness: .064 Port Shape: D-Shape Port Size: 2.032 x 1.76
Port Size: 1.463 x 1.471 Port Shape: D-Shape Compressed Thickness: .064 Material: Armor
Material: Armor Compressed Thickness: .042 Port Shape: D-Shape Port Size: 2.038 x 1.869
Port Size: 1.379 x 1.208 Port Shape: D-Shape Compressed Thickness: .064 Material: Armor
Material: AM Compressed Thickness: .064 Port Shape: D Port Size: 1.700 x 1.700
None: 2 Port Size: 1.852x1.589 Port Shape: D-Shape Compressed Thickness: .064 Material: ArmorCore
Material: HTS Compressed Thickness: .060 Port Shape: D Port Size: 1.650x1.600
Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 1.500
Material: Armor Compressed Thickness: .064 Port Shape: Square Port Size: 1.500 None: 2
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 1.5
Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 1.920"
Material: HTS Compressed Thickness: .060 Port Shape: Square Port Size: 1.480x1.450
Compressed Thickness: .060 Material: Fiber
Compressed Thickness: .047 Material: Fiber
OE Style with Oval Exhaust Ports
1.5 in. x 1.5 in. Port
Material: HTS Compressed Thickness: .060 Port Shape: D Port Size: 1.710x1.550
Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 2.00
Material: ArmorCore Compressed Thickness: .064 Port Shape: Square Port Size: 1.550 None: 2
Material: HTS Compressed Thickness: .060 Port Shape: Square Port Size: 1.550
Material: HTS Compressed Thickness: .060 Port Shape: Rectangle Port Size: 1.450 x 1.480
Material: HTS Compressed Thickness: .060 Port Shape: Square Port Size: 1.550x1.450
Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 1.625
Material: HTS Compressed Thickness: .060 Port Shape: Square Port Size: 1.900" x 1.850"
Material: HTG Compressed Thickness: .094 Port Shape: Round Port Size: 1.920"
Material: Fiber Compressed Thickness: .188 Port Shape: Rectangular Port Size: 2.536 x 1.853
Material: HTG Compressed Thickness: .094 Port Shape: Rectangular Port Size: 1.900x1.850 None: 2
Material: AM Compressed Thickness: .064 Port Shape: DShape Port Size: 1.78x1.70
Multi-Layered Steel
1.940 in. Round Port
Material: HTG Compressed Thickness: .094 Port Shape: Square Port Size: 1.480x1.450
with Square Ports
Material: Armor Ply Compressed Thickness: .094 Port Shape: Round Port Size: 1.625
Material: AM Compressed Thickness: .064 Port Shape: D Port Size: 1.615x1.500
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 1.81
Material: Armor Compressed Thickness: .064 Port Shape: DShape Port Size: 1.5x1.47
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 1.625
Material: AM Compressed Thickness: .064 Port Shape: Square Port Size: 1.480x1.450
Graphite 1.50in x 1.50in Square Ports High Performance Gasket
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 2.2
Material: Armor Compressed Thickness: .064 Port Shape: Round Port Size: 2.015
Material: AM Compressed Thickness: .064 Port Shape: Round Port Size: 1.890
Material: MLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.859x1.688
Material: UncoatedMLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.6x1.85
Composite
with Square Ports
Material: Uncoated MLS Compressed Thickness: .030 Port Shape: Round Port Size: 1.500
Material: Uncoated MLS Compressed Thickness: .030 Port Shape: Rectangle Port Size: 1.450 x 1.480
Material: MLS Compressed Thickness: .060 Port Shape: Round Port Size: 1.500
Material: MLS Compressed Thickness: .030
Material: MLS Compressed Thickness: .030 Port Shape: Rectangle Port Size: 1.450 x 1.600 None: 2
Material: MLS Compressed Thickness: .030 Port Shape: Round Port Size: 1.625
Material: Copper Compressed Thickness: .043 Port Shape: Round Port Size: 1.920
Material: Copper Compressed Thickness: .043 Port Shape: Rectangular Port Size: 1.900x1.850
Material: MLS Compressed Thickness: .030 Port Shape: D-Shape Port Size: 1.780 x 1.700
Material: Copper Compressed Thickness: .043 Port Shape: Square Port Size: 1.550x1.450
Material: Copper Compressed Thickness: .043 Port Shape: Round Port Size: 1.625
Material: Uncoated MLS Compressed Thickness: .030 Port Shape: D-Shape Port Size: 1.619 x 1.625
Material: Copper Compressed Thickness: .043 Port Shape: Square Port Size: 1.480x1.450
Material: Copper Compressed Thickness: .043 Port Shape: Round Port Size: 1.500
Material: MLS Compressed Thickness: .030 Port Shape: Round Port Size: 1.920 None: 2
Material: MLS Compressed Thickness: .030 Port Shape: Round Port Size: 2.015
Material: MLS Compressed Thickness: .030 Port Shape: Round Port Size: 2.2
Material: Uncoated MLS Compressed Thickness: .030 Port Shape: Round Port Size: 2.130
Material: MLS Compressed Thickness: .051 Port Shape: Round Port Size: 2.265
Material: MLS Compressed Thickness: .042 Port Shape: Round Port Size: 2.2
Material: MLS Compressed Thickness: .030 Port Shape: Rectangular Port Size: 1.900x1.850 None: 2
Material: UncoatedMLS Compressed Thickness: .030 Port Shape: Round Port Size: 2.265
Square Port Shape; Port Dimensions W-1.45 in. x H-1.55 in.; Medium Square Race Port
Round Port Shape; Port Diameter 1.50 in.
Round Port Shape; Port Diameter 1.63 in.
Graphite 1.37in x 1.40in Rectangular Ports
Round Port Shape; Port Diameter 1.63 in.
Square Port Shape; Port Dimensions W-1.45 in. x H-1.55 in.; Medium Square Race Port
2.15 in. Round Port Shape; 0.062 in. Thick; Port Dimensions W-1.85 in. x H-1.90 in.
Material: AR Compressed Thickness: .19
Square Port Shape; Port Dimensions W-1.45 in. x H-1.48 in.; Small Square Race Port
Square Port Shape; Port Dimensions W-1.85 in. x H-1.90 in.
Round Port Shape; Port Diameter 1.50 in.
Round Port Shape; Port Diameter 1.92 in.
1.85 in x 1.90 in. Square Port Shape; 0.062 in. Thick; Performance Gasket Line and Material
Material: Copper Compressed Thickness: .043 Port Shape: Round Port Size: 1.625
Material: MLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.927x1.752
Graphite 1.50in x 1.50in Square Ports
Material: MLS Compressed Thickness: .060 Port Shape: Rectangular Port Size: 1.900x1.850
Round Port Shape; Port Diameter 1.92 in.; Thickness .062 in.
Square Port Shape; Port Dimensions W-2.09 in. x H-2.09 in.
Round Port Shape; Port Diameter 1.93 in.; Hooker/Stahl Combination Adapter Plate
Material: MLS Compressed Thickness: .092 Port Shape: Rectangular Port Size: 1.900x1.850
Round Port Shape; Port Diameter 2.15 in.; Thickness .062 in.
Square Port Shape; Port Dimensions W-1.45 in. x H-1.48 in.
Round Port Shape; Port Diameter 1.63 in.
Oval Port Shape; Port Dimensions W-1.50 in. x H-1.82 in.; Thickness .062 in.
Oval Port Shape; Port Dimensions W-1.61 in. x H-1.85 in.; Hooker Combination
D Port Shape; Port Dimensions W-1.55 in. x H-1.71 in.
D Port Shape; Port Dimensions W-1.65 in. x H-1.60 in.; Brodix Spread Port Aluminum Heads
Round Port Shape; Port Diameter 1.92 in.; Thickness .094 in.
Material: MLS Compressed Thickness: .030 Port Shape: Oval Port Size: 1.800 x 1.550
Graphite with 2.13in Round Ports High Performance Gasket
Graphite 1.63in Round Ports High Performance Gasket with Cast Iron Cylinder Head
Square Port Shape; Port Dimensions W-1.45 in. x H-1.55 in.; Medium Square Race Port
Graphite 1.82in x 1.88in Stock Ports High Performance Gasket
Round Port Shape; Port Diameter 1.63 in.
Round Port Shape; Port Diameter 1.50 in.
Square Port Shape; Port Dimensions W-1.85 in. x H-1.90 in.
Square Port Shape; Port Dimensions W-1.45 in. x H-1.48 in.; Small Square Race Port
Browse our selection of quality exhaust manifold gasket set parts designed specifically for your GMC G3500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Magnavan · Rally · Rally Camper Special · Rally Custom · Rally STX · Vandura · Vandura Special
Cutaway Van · Extended Cargo Van · Extended Passenger Van · Standard Cargo Van · Standard Passenger Van
L6 4.1L · V6 4.3L · V8 5.7L · V8 6.2L · V8 6.5L · V8 6.6L · V8 7.4L
Automatic · Manual