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  2. Auto Parts
  3. Exhaust
  4. Exhaust and Tail Pipes
  5. Exhaust Pipe Connector
  6. Walker 41974

Walker 41974 Exhaust Pipe Connector

Walker 41974 Exhaust Pipe Connector
Walker 41974 Exhaust Pipe Connector Image 1
Walker 41974 Exhaust Pipe Connector

Walker
Brand:Walker
Part Number: 41974
UPC: 086387419741
Weight: 1 lbs
Condition:New



On Sale:

$14.30

Availability:
8 in Stock
Warehouse: US-7
Quantity:

Product Information

Description:

CONNECTOR PIPE

Walker, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today's emissions control needs, while developing solutions for tomorrow's challenges. Walker is a 'one-stop' convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and components for popular domestic and import vehicles in broadmarket, performance, and commercial vehicle applications. Walker delivers optimal OE-style fit, appearance, and dependability in aftermarket emissions control parts.

Features and Benefits:

  • THE RIGHT CONNECTION -- For connecting exhaust pipe and/or tubing

Specifications:

Connector Gender:
Female - Male
Finish:
Aluminized
Inlet Inside Diameter:
3 in.
Length:
6 in.
Material:
Steel
Outlet Outside Diameter:
2.5 in.
AP Exhaust #:
18053
AP Exhaust #:
8960
Donaldson #:
P206319
ROL EXHAUST #:
617571
Country of Origin:
US

Select a vehicle to narrow Walker 41974 Exhaust Pipe Connector fitment info!

Last Updated: 12/24/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1996

 

1996

 
Chevrolet P30

5.7L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 125.0 In.
 

Chevrolet P30



5.7L V8 Gas OHV Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 125.0 In.

1 Per Vehicle

1996

 

1996

 
Chevrolet P30

5.7L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 133.0 In.
 

Chevrolet P30



5.7L V8 Gas OHV Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 133.0 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Chevrolet P30

5.7L V8 Gas OHV
1
 
Front
 
Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 133.0 In.
 

Chevrolet P30



5.7L V8 Gas OHV

Front Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 133.0 In.

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 
Chevrolet P30

5.7L V8 Gas OHV
1
 		 
Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 125.0 In.
 

Chevrolet P30



5.7L V8 Gas OHV Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 125.0 In.

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Chevrolet P30

4.3L V6 Gas OHV
1
 		 
Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 125.0 In.
 

Chevrolet P30



4.3L V6 Gas OHV Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 125.0 In.

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 
Chevrolet P30

4.3L V6 Gas OHV
1
 		 
Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 133.0 In.
 

Chevrolet P30



4.3L V6 Gas OHV Both Parts Required
with Catalytic Converter
with School Bus Package
Wheel Base 133.0 In.

1 Per Vehicle

1989

 

1989

 
Chevrolet P30

5.7L V8 Gas OHV
1
 
Front
 
Both Parts Required
with Catalytic Converter
Wheel Base 133.0 In.
 

Chevrolet P30



5.7L V8 Gas OHV

Front Both Parts Required
with Catalytic Converter
Wheel Base 133.0 In.

1 Per Vehicle

2004

 

2004

 
Chevrolet Silverado 2500

6.0L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500



6.0L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
Chevrolet Silverado 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 CNG OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 CNG OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.

1 Per Vehicle

2002

 

2002

 
Chevrolet Silverado 2500 HD

6.0L V8 Bi-Fuel OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.
 

Chevrolet Silverado 2500 HD



6.0L V8 Bi-Fuel OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2006

 
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
Chevrolet Silverado 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2007

 

2007

 
Chevrolet Silverado 3500 Classic

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Except Heavy Duty
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.
 

Chevrolet Silverado 3500 Classic



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Except Heavy Duty
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.

1 Per Vehicle

1996

 

1996

 
GMC P3500

5.7L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 125.0 In.
 

GMC P3500



5.7L V8 Gas OHV Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 125.0 In.

1 Per Vehicle

1996

 

1996

 
GMC P3500

5.7L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 133.0 In.
 

GMC P3500



5.7L V8 Gas OHV Must Use with Part Number(s) 22499
If welded assembly, replace all required parts
Wheel Base 133.0 In.

1 Per Vehicle

2004

 

2004

 
GMC Sierra 2500

6.0L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Wheel Base 153.0 In.
 

GMC Sierra 2500



6.0L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 

2006

 

2005

 

2004

 

2003

 

2002

 

2001

 
GMC Sierra 2500 HD

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.

1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
GMC Sierra 2500 HD

6.0L V8 CNG OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.
 

GMC Sierra 2500 HD



6.0L V8 CNG OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 133.0 In.

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 143.5 In.

1 Per Vehicle

2002

 

2002

 
GMC Sierra 2500 HD

6.0L V8 Bi-Fuel OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.
 

GMC Sierra 2500 HD



6.0L V8 Bi-Fuel OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Use Reducer Bushing 41974 to connect with OE Converter Pipe
Wheel Base 153.0 In.

1 Per Vehicle

2006

 

2006

 
GMC Sierra 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.
 

GMC Sierra 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Crew Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
GMC Sierra 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.
 

GMC Sierra 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Extended Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2006

 

2006

 
GMC Sierra 3500

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.
 

GMC Sierra 3500



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with 9900 (lb) Gross Vehicle Weight (GVW)
with Federal Emissions System
except Low Emission Vehicle (LEV)
with Small Diameter Muffler
Standard Cab Pickup
Wheel Base 133.0 In.

1 Per Vehicle

2007

 

2007

 
GMC Sierra 3500 Classic

6.0L V8 Gas OHV,
8.1L V8 Gas OHV
1
 		 
Except Heavy Duty
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.
 

GMC Sierra 3500 Classic



6.0L V8 Gas OHV,
8.1L V8 Gas OHV Except Heavy Duty
Must Use with Part Number(s) 21533
with 2.5 (in) Muffler Inlet
with Single Rear Wheels (SRW)
with Small Diameter Muffler
Cab & Chassis
Wheel Base 133.0 In.

1 Per Vehicle