70 products about 1998 GMC K1500 Exhaust Manifolds, Pipes, Mufflers & Components foundVEHICLE SPECIFIC Product Specifications Catalytic Converter Included: Not Required Finish: Natural Flange Quantity: 2 Flanged: Yes Gasket or Seal Included: Yes Height: 4.75" Inlet Inside Diameter: 2.17" Inlet Outside Diameter: 2.17" Inlet Quantity: 1 Material: Stainless Steel OE Part Number: 10191474 Outlet Inside Diameter: 2.71" Outlet Outside Diameter: 2.71" Outlet Quantity: 1 Overall Exhaust System Diameter: 2.5" Overall Length: 26.25" Package Quantity: 1 Packaging Type: Box Strap Hanger Included: No UPC: 885484590472 Welding Required: No Width: 13.5" Part Description: 1998 GMC K1500 Stainless Steel Natural Exhaust Crossover Pipe More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 6.5L VEHICLE SPECIFIC Product Specifications Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts; Replacement of Muffler Reqs replacement of Extension H-Pipe. Body Height: 7.000 Body Length: 24.000 Body Material: Stainless Steel Body Width: 9.000 Exhaust Component Mount Type: No Mounts Finish: Aluminized Grade Type: Regular Inlet 1 Inside Diameter: 2.000 Inlet 1 Type: Pipe Connection Inlet 2 Inside Diameter: 2.000 Inlet 2 Type: Pipe Connection Inlet Configuration: Offset Inlet Offset: 2.625 Internet Product Code (IPC): D02AEA19714 Item has MSDS (SDS): N Max Year Covered: 1999 MFG Brand Name: Walker Exhaust MFG Model # (Series): 21282 MFG Name: Tenneco, Inc Min Year Covered: 1996 Most Popular Make / Model: Chevrolet K1500 Most Popular Year: 1998 Muffler Body Height: 7.0 Muffler Body Length: 24.0 Muffler Body Material: Stainless Steel Muffler Body Width: 9.0 Muffler Color / Finish: Bare Muffler Inlet: Offset Muffler Inlet Connection Type: Pipe Connection Muffler Inlet Count: 2 Muffler Inlet Diameter (in): 2.0 Muffler Inlet Diameter 2 (in): 0.0 Muffler Inlet Diameter Designation: Inside Diameter Muffler Outlet: Offset Muffler Outlet Connection Type: Pipe Connection Muffler Outlet Count: 1 Muffler Outlet Diameter (in): 2.75 Muffler Outlet Diameter Designation: Outside Diameter Muffler Overall Length: 29.0 Muffler Reversible: No Muffler Shape: Oval Outlet 1 Outside Diameter: 2.750 Outlet Configuration: Offset Overall Length: 29.000 Product Grade: Economy Reversible: No Shape: Oval Supplier Company Name: Tenneco, Inc Total Part VIO: 715545 Universal Or Specific Fit: Specific UPC: 086387212823 Part Description: 1998 GMC K1500 Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 3 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Square Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 12552325 Package Quantity: 1 Position: Driver Side UPC: 019495031406 Part Description: 1998 GMC K1500 Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L VEHICLE SPECIFIC Product Specifications Bolt Hole Quantity: 8 Color: Color May Vary Complete: Y Configuration: One Piece Contains Applications: Y Material: Steel Release Wave: 12/15/2017 Thickness: 0.075 UPC: 023913653170 Part Description: 1998 GMC K1500 Exhaust Manifold Gasket Set More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 6.5L VEHICLE SPECIFIC Product Specifications Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts. Body Height: 7.000 Body Length: 24.000 Body Material: Stainless Steel Body Width: 9.000 Exhaust Component Mount Type: No Mounts Finish: Aluminized Grade Type: Regular Inlet 1 Inside Diameter: 2.750 Inlet 1 Type: Pipe Connection Inlet Configuration: Offset Inlet Offset: 2.625 Internet Product Code (IPC): 7C2592B9950 Item has MSDS (SDS): N Max Year Covered: 2000 MFG Brand Name: Walker Exhaust MFG Model # (Series): 21046 MFG Name: Tenneco, Inc Min Year Covered: 1993 Most Popular Make / Model: Chevrolet C1500 Most Popular Year: 1998 Muffler Body Height: 7.0 Muffler Body Length: 24.0 Muffler Body Material: Stainless Steel Muffler Body Width: 9.0 Muffler Color / Finish: Bare Muffler Inlet: Offset Muffler Inlet Connection Type: Pipe Connection Muffler Inlet Count: 1 Muffler Inlet Diameter (in): 2.75 Muffler Inlet Diameter 2 (in): 0.0 Muffler Inlet Diameter Designation: Inside Diameter Muffler Outlet: Offset Muffler Outlet Connection Type: Pipe Connection Muffler Outlet Count: 1 Muffler Outlet Diameter (in): 2.75 Muffler Outlet Diameter Designation: Inside Diameter Muffler Overall Length: 29.0 Muffler Reversible: No Muffler Shape: Oval Outlet 1 Outside Diameter: 2.750 Outlet Configuration: Offset Overall Length: 29.000 Product Grade: Economy Reversible: No Shape: Oval Supplier Company Name: Tenneco, Inc Total Part VIO: 1102073 Universal Or Specific Fit: Specific UPC: 086387210461 Part Description: 1998 GMC K1500 Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 3 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Oval Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 8 OE Part Number: 12557359 Package Quantity: 1 Position: Driver Side UPC: 037495558440 Part Description: 1998 GMC K1500 Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 6.5L VEHICLE SPECIFIC Product Specifications Bolt Hole Quantity: 3 Color: Color May Vary Complete: Y Configuration: Two Piece Contains Applications: Y Material: Fiber And Metal Release Wave: 12/15/2017 Thickness: 0.062 UPC: 023913751609 Part Description: 1998 GMC K1500 Exhaust Manifold Gasket Set More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L VEHICLE SPECIFIC Product Specifications Notes: w/Air Pump Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 3 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Square Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 12556040 Package Quantity: 1 Position: Passenger Side UPC: 019495070238 Part Description: 1998 GMC K1500 Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: 2-3/32in ID Steel Sleeve; Crossover Bolt Hole Quantity: 0 Inside Diameter: 2.125" Material: Graphite and Metal Thickness: 0.750" Type: Doughnut UPC: 023913671983 Part Description: 1998 GMC K1500 Graphite And Metal Exhaust Pipe Flange Gasket More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 6.5L VEHICLE SPECIFIC Product Specifications Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 21046 Automotive Item Grade: OEM Standard Part Connection Type: Pipe Inlet - Outlet Configuration: Offset Inlet - Offset Outlet Inlet Diameter Designation: Inside Diameter Inlet Quantity: 1 Inlet Muffler Body Finish: Aluminized Muffler Body Height: 7" Muffler Body Length: 24" Muffler Body Material: Steel Muffler Body Shape: Oval Muffler Body Width: 9" Muffler Inlet Diameter: 2.75" Muffler Outlet Diameter: 2.75" Muffler Overall Length: 29" Muffler Reversible: No Muffler Series: SoundFX™ Muffler Type: Combination Outlet Diameter Designation: Outside Diameter Outlet Quantity: 1 Outlet UPC: 086387181389 Part Description: 1998 GMC K1500 Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Notes: Exhaust Connector Bolt Hole Quantity: 3 Location: Exhaust Connector Material: Graphite and Metal Thickness: 0.095" Type: Flat UPC: 023913673482 Part Description: 1998 GMC K1500 Graphite And Metal Exhaust Pipe Flange Gasket More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: If welded Assy, replace all Reqd parts. Class: A Connection Type: Pipe Inlet Connection Type: Pipe Connection Inlet Diameter Designation: Inside Diameter Inlet Quantity: 1 Material: Aluminized Steel Outlet Connection Type: Pipe Connection Outlet Diameter Designation: Outside Diameter Outlet Quantity: 1 Overall Length: 52.125" Pipe Inlet Diameter: 2.75" Pipe Outlet Diameter: 2.75" Part Description: 1998 GMC K1500 Aluminized Steel Exhaust Tailpipe More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Notes: wo/Air Pump Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 3 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: Yes Inlet Port Shape: Square Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 12557828 Package Quantity: 1 Position: Driver Side UPC: 019495031420 Part Description: 1998 GMC K1500 Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Pipe To Manifold Bolt Hole Quantity: 0 Inside Diameter: 1.735" Location: Pipe to Manifold Material: Graphite and Metal Thickness: 1.190" Type: Doughnut UPC: 023913671556 Part Description: 1998 GMC K1500 Graphite And Metal Exhaust Pipe Flange Gasket More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Bolt Hole Center to Center Distance 1: 5.000 Bolt Hole Center to Center Distance 1 (in): 4.93 Bolt Hole Center to Center Distance 2: 9.125 Bolt Hole Center to Center Distance 2 (in): 9.15 Bolt Hole Center to Center Distance 3: 4.250 Bolt Hole Diameter: 0.500 Gasket / Seal Material: Graphoil Gasket Thickness: 0.5 Gasket Type: 3 Bolt Internet Product Code (IPC): C0A8012FBA7 Item Grade: Standard Replacement Item has MSDS (SDS): N Material: Graphoil Max Year Covered: 2000 MFG Brand Name: Walker Exhaust MFG Model # (Series): 31575 MFG Name: Tenneco, Inc Min Year Covered: 1996 Most Popular Make / Model: Chevrolet K1500 Most Popular Year: 1997 Package Contents: 1 Gasket Port 1 Length: 3.000 Port 1 Length (in): 3 Port 1 Width: 3; 3.000 Port 2 Length: 3.750 Port 2 Length (in): 3.78 Port 2 Width: 3.750; 3.78 Product Grade: Economy Supplier Company Name: Tenneco, Inc Thickness: 0.500 Total Part VIO: 1463612 UPC: 086387315753 Part Description: 1998 GMC K1500 Graphoil 3 Bolt Exhaust Pipe Flange Gasket More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Quick Release Latch V-Insert Clamp; At Exhaust Manifold Pipe Clamp Design: V-band Clamp Finish: Silver Metal Item Grade: Regular Material: Stainless Steel Maximum Diameter: 4.25" Nut Type: Threaded OE Part Number: 11611439 Package Quantity: 1 Selling Package Quantity: Piece UPC: 019495436676 Part Description: 1998 GMC K1500 Stainless Steel Silver Metal V Band Exhaust Manifold Clamp More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 6.5L VEHICLE SPECIFIC Product Specifications Notes: wo/Air Pump Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 3 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Square Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 12554973 Package Quantity: 1 Position: Passenger Side UPC: 019495031413 Part Description: 1998 GMC K1500 Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Bolt Hole Center to Center Distance 1: 5.125 Bolt Hole Center to Center Distance 1 (in): 5.16 Bolt Hole Diameter: 0.500 Gasket / Seal Material: High Temperature Graphite With Steel Core Gasket Thickness: 0.05 Gasket Type: 2 Bolt Internet Product Code (IPC): 26ACEB4311E Item Grade: Standard Replacement Item has MSDS (SDS): N Material: Graphoil Max Year Covered: 2019 MFG Brand Name: Walker Exhaust MFG Model # (Series): 31574 MFG Name: Tenneco, Inc Min Year Covered: 1996 Most Popular Make / Model: Chevrolet Malibu Most Popular Year: 2008 Package Contents: 1 Gasket Port 1 Length: 3.000 Port 1 Length (in): 3.04 Port 1 Width: 3.000; 3.04 Product Grade: Economy Supplier Company Name: Tenneco, Inc Thickness: 0.050 Total Part VIO: 3985519 UPC: 086387315746 Part Description: 1998 GMC K1500 High Temperature Graphite More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Class: A Material: High Temperature Graphite with Wire Mesh Core Outer Diameter: 2.62" Packaging: Poly Bag Port 1 Length: 1.75" Port 1 Width: 1.75" Thickness: 0.92" UPC: 086387315883 Part Description: 1998 GMC K1500 High Temperature Graphite More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Attachment Method: OEM Style Finish: Black Hardware Material: Rubber Internet Product Code (IPC): E837FFCB568 Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 3.500 Material: Rubber Max Year Covered: 2019 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35229 MFG Name: Tenneco, Inc Min Year Covered: 1988 Most Popular Make / Model: Chevrolet Silverado 1500 Most Popular Year: 2007 Overall Length: 3.5 Package Contents: Insulator Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 21722253 Universal Or Specific Fit: Universal UPC: 086387352291 Part Description: 1998 GMC K1500 Rubber Black Exhaust Insulator More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Bolt Diameter: 0.375 Clamp Design: U-Clamp Clamp Maximum Diameter: 2.75 Clamp Type: U-Bolt Finish: Natural Gauge: 11.0 Grade Type: Regular Hardware Material: Steel Internet Product Code (IPC): 53860BFD66C Item Grade: OEM Standard Item has MSDS (SDS): N Material: Steel Max Year Covered: 2019 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35793 MFG Name: Tenneco, Inc Min Year Covered: 1975 Most Popular Make / Model: Chevrolet Silverado 1500 Most Popular Year: 2007 Nut Type: Hex Package Contents: One Exhaust Clamp Pipe Diameter: 2.750 Product Grade: Economy Saddle Hole Type: Round Supplier Company Name: Tenneco, Inc Total Part VIO: 29778938 UPC: 086387357937 Width: 4.125 Part Description: 1998 GMC K1500 Heavy Duty Steel Natural U Bolt Clamp More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L 1998 GMC K1500 | All Trims | 8 Cyl 5.7L Show More VEHICLE SPECIFIC Product Specifications Bolt Diameter: 0.375 Clamp Design: U-Clamp Clamp Maximum Diameter: 2.0 Clamp Type: U-Bolt Finish: Natural Gauge: 11.0 Grade Type: Regular Hardware Material: Steel Internet Product Code (IPC): 8D5DA5A9834 Item Grade: OEM Standard Item has MSDS (SDS): N Material: Steel Max Year Covered: 2019 MFG Brand Name: Walker Exhaust MFG Model # (Series): 35335 MFG Name: Tenneco, Inc Min Year Covered: 1955 Most Popular Make / Model: Honda Accord Most Popular Year: 2015 Nut Type: Hex Package Contents: One Exhaust Clamp Pipe Diameter: 2.000 Product Grade: Economy Saddle Hole Type: Round Supplier Company Name: Tenneco, Inc Total Part VIO: 56266152 UPC: 086387353359 Width: 3.25 Part Description: 1998 GMC K1500 Heavy Duty Steel Natural U Bolt Clamp More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: All Models; 6.5l Diesel; Left Bank; 6.5 Liter Diesel Location: Driver Side Other Names: Exhaust Manifold, Manifold Item Dimensions: 19.6 x 9.2 x 4.0 inches Item Weight: 12.50 Pounds Fitment Type: Direct Replacement Part Description: 1998 GMC K1500 Manifold More Info Vehicle Fitment 1998 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL VEHICLE SPECIFIC Product Specifications Notes: Reqs 21282 muffler; If welded Assy, replace all Reqd parts. Exhaust Pipe Inlet Connection Type: 3 Bolt Welded Flange Exhaust Pipe Material: Steel Exhaust Pipe Outlet Connection Type: Pipe Connection Exhaust Pipe Overall Length: 38.0 Exhaust Pipe Wall Maximum Gauge: Undisclosed Finish: Aluminized Fitment: Direct OE Replacement Grade Type: Regular Inlet 1 Type: 3 Bolt Welded Flange Inlet Quantity: 1 Internet Product Code (IPC): E07D32F0D94 Item Grade: Standard Replacement Item has MSDS (SDS): N Length: 38.000 Material: Steel Max Year Covered: 1999 MFG Brand Name: Walker Exhaust MFG Model # (Series): 54090 MFG Name: Tenneco, Inc Min Year Covered: 1996 Most Popular Make / Model: Chevrolet K1500 Most Popular Year: 1998 Outlet 1 Outside Diameter: 2.000 Outlet 1 Type: Pipe Connection Outlet 2 Outside Diameter: 2.000 Outlet 2 Type: Pipe Connection Outlet Quantity: 2 Product Grade: Economy Supplier Company Name: Tenneco, Inc Total Part VIO: 715545 Universal Or Specific Fit: Specific UPC: 086387540902 Part Description: 1998 GMC K1500 Aluminized Steel Exhaust H Pipe More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX for 21046 Body Height: 7.000 Body Length: 24.000 Body Material: Steel Body Width: 9.000 Exhaust Component Mount Type: Uses Factory Hangers Finish: Aluminized Grade Type: Regular Inlet 1 Inside Diameter: 2.750 Inlet 1 Type: Pipe Connection Inlet Configuration: Offset Inlet Offset: 2.625 Internet Product Code (IPC): 19F59829079 Item has MSDS (SDS): N Max Year Covered: 2000 MFG Brand Name: Walker Exhaust MFG Model # (Series): 18216 MFG Name: Tenneco, Inc Min Year Covered: 1993 Most Popular Make / Model: Chevrolet C1500 Most Popular Year: 1998 Muffler Body Height: 7 Muffler Body Length: 24 Muffler Body Material: Steel Muffler Body Width: 9 Muffler Color / Finish: Aluminized Muffler Inlet: Offset Muffler Inlet Connection Type: Pipe Connection Muffler Inlet Count: 1 Muffler Inlet Diameter (in): 2.75 Muffler Inlet Diameter Designation: Inside Diameter Muffler Outlet: Offset Muffler Outlet Connection Type: Pipe Connection Muffler Outlet Count: 1 Muffler Outlet Diameter (in): 2.75 Muffler Outlet Diameter Designation: Outside Diameter Muffler Overall Length: 29 Muffler Reversible: No Muffler Shape: Oval Outlet 1 Outside Diameter: 2.750 Outlet Configuration: Offset Overall Length: 29.000 Product Grade: Economy Reversible: No Shape: Oval Supplier Company Name: Tenneco, Inc Total Part VIO: 1102073 Universal Or Specific Fit: Specific UPC: 086387182164 Part Description: 1998 GMC K1500 Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L 1998 GMC K1500 | All Trims | 8 Cyl 5.0L VEHICLE SPECIFIC Product Specifications Finish: Natural Flange Bolt Hole Quantity: 0 Flange Stud Hole Quantity: 3 Gasket or Seal Included: Yes Header Material: Cast Iron Heat Shield Included: No Inlet Port Shape: Square Installation Hardware Included: Yes Item Grade: Regular Manifold Bolt Hole Quantity: 6 OE Part Number: 12550120, 12560937 Package Quantity: 1 Position: Passenger Side UPC: 019495031390 Part Description: 1998 GMC K1500 Cast Iron Natural Exhaust Manifold More Info Vehicle Fitment 1998 GMC K1500 | All Trims | 6 Cyl 4.3L VEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter; All Models; 4.3l; Left Bank Location: Driver Side Other Names: Exhaust Manifold, Manifold Item Dimensions: 17.9 x 9.3 x 4.4 inches Item Weight: 13.10 Pounds Fitment Type: Direct Replacement Part Description: 1998 GMC K1500 Engine Exhaust Manifold Assembly More Info Vehicle Fitment 1998 GMC K1500 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter Other Names: Front Pipe Item Dimensions: 44.7 x 31.6 x 14.4 inches Item Weight: 22.60 Pounds Fitment Type: Direct Replacement Part Description: 1998 GMC K1500 3-Way Catalytic Convertor Assembly More Info Vehicle Fitment 1998 GMC K1500 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL VEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter Other Names: Front Pipe Item Dimensions: 44.7 x 31.6 x 14.4 inches Item Weight: 22.60 Pounds Fitment Type: Direct Replacement Part Description: 1998 GMC K1500 3-Way Catalytic Convertor Assembly More Info Vehicle Fitment 1998 GMC K1500 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL VEHICLE SPECIFIC Product Specifications Notes: All Models; 5.0l; Left Bank; All;All Models; 5.7l; Left Bank; All; 5.0 Liter; 5.7 Liter Location: Driver Side Other Names: Exhaust Manifold, Manifold Item Dimensions: 27.1 x 10.7 x 4.8 inches Item Weight: 15.30 Pounds Fitment Type: Direct Replacement Part Description: 1998 GMC K1500 Engine Exhaust Manifold Assembly More Info Vehicle Fitment 1998 GMC K1500 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS