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Walker 43923 Exhaust Pipe

Brand	Walker 43923
Material	Steel
Outlet Outside Diameter	2.5
Inlet Inside Diameter	2.5
Inlet Quantity	1
Outlet Quantity	1
Finish	Aluminized
Inlet 1 Inside Diameter	2.5
Inlet 1 Type	Pipe connection
Inlet Type	Pipe connection
Length	26
Outlet 1 Outside Diameter	2.5
Outlet 1 Type	Pipe connection
Outlet Type	Pipe connection
Pipe Wall Thickness	0.05
Universal Or Specific Fit	Specific fit
Fits	Chevrolet · 71 vehicles

Specific fit. Precision-checked for a precise fit and quick, easy installation.

Aluminized steel. Built for durability with a corrosion-resistant finish.

Exhaust pipe. A direct replacement pipe for restoring exhaust flow.

Cross-references 28336 and 38249 for the same application. See all 2.

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Walker 43923 Exhaust Pipe for GM Vans

Walker 43923 is a specific-fit exhaust pipe built from aluminized steel for durability and consistent fitment. Precision bending and fixture checking help support a clean installation on select Chevrolet and GMC G-series vans.

Key Features

Aluminized steel construction for corrosion resistance and long service life
Specific-fit exhaust pipe for direct application matching
2.5-inch inlet and 2.5-inch outlet pipe connection
26-inch overall length with 0.05-inch wall thickness
Designed for select Chevrolet G10, G20, G30 and GMC G1500, G2500, G3500 applications
Walker 43923 exhaust pipe cross-references 28336 and 38249 for the same application

Detailed Description

This Walker exhaust pipe is engineered for exhaust system repair on 1983-1990 Chevrolet G10, 1983-1990 Chevrolet G20, 1983-1986 Chevrolet G20 with catalytic converter, 1983-1984 Chevrolet G30, 1983-1990 GMC G1500, 1983-1990 GMC G2500, 1983-1984 GMC G2500 with catalytic converter, 1983-1984 GMC G3500, and 1985-1986 Chevrolet G30 and GMC G3500 applications with the listed emission notes. The aluminized finish and steel construction are selected to handle everyday exhaust exposure while maintaining a precise pipe connection at both ends. Walker 43923 is a practical replacement for restoring exhaust routing on GM van platforms where exact fit matters.

What It Helps Address

Rusted or corroded exhaust pipe sections
Cracked or leaking pipe connections
Damaged exhaust routing on Chevrolet G10 and G20 vans
Worn exhaust sections on GMC G1500 and G2500 vans
Fitment issues during exhaust system repair on G30 and G3500 models

Installation Notes and Tips

Fits 1983-1990 Chevrolet G10, 1983-1990 Chevrolet G20, 1983-1986 Chevrolet G20 with catalytic converter, 1983-1984 Chevrolet G30, 1983-1990 GMC G1500, 1983-1990 GMC G2500, 1983-1984 GMC G2500 with catalytic converter, 1983-1984 GMC G3500, 1985-1986 Chevrolet G30, and 1985-1986 GMC G3500. Some applications are noted as cut-to-fit, and welded assemblies require replacement of all required parts. Review emission-control notes before installation, including restrictions for Federal Emission Control and H5D emissions on listed vehicles.

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to support accurate fitment and straightforward installation. The aluminized steel construction is intended to provide durable service in exhaust system applications.

This part fits 71 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Wheel Base	Position	Notes
1990	Chevrolet	G10	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1990	Chevrolet	G20	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1990	GMC	G1500	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1990	GMC	G2500	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1989	Chevrolet	G10	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1989	Chevrolet	G20	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1989	GMC	G1500	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1989	GMC	G2500	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1988	Chevrolet	G10	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1988	Chevrolet	G20	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1988	GMC	G1500	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1988	GMC	G2500	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1987	Chevrolet	G10	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1987	Chevrolet	G20	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1987	GMC	G1500	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1987	GMC	G2500	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	Chevrolet	G10	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	Chevrolet	G10	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	Chevrolet	G10	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	Chevrolet	G10	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	Chevrolet	G20	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	Chevrolet	G20	5.0L	V8	—	N/A	with Catalytic Converter; Cut To Fit; If welded assembly, replace all required parts
1986	Chevrolet	G30	5.7L	V8	146.0"	N/A	Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1986	GMC	G1500	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	GMC	G1500	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	GMC	G1500	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	GMC	G2500	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	GMC	G2500	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1986	GMC	G3500	5.7L	V8	146.0"	N/A	Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1985	Chevrolet	G10	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	Chevrolet	G10	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	Chevrolet	G10	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	Chevrolet	G10	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	Chevrolet	G20	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	Chevrolet	G20	5.0L	V8	—	N/A	with Catalytic Converter; Cut To Fit; If welded assembly, replace all required parts
1985	Chevrolet	G30	5.7L	V8	146.0"	N/A	Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1985	GMC	G1500	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	GMC	G1500	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	GMC	G1500	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	GMC	G1500	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	GMC	G2500	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	GMC	G2500	5.0L	V8	—	N/A	Cut To Fit; If welded assembly, replace all required parts
1985	GMC	G3500	5.7L	V8	146.0"	N/A	Before 01/01/1985; Do Not Use with Federal Emission Control or H5D Emissions
1984	Chevrolet	G10	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	Chevrolet	G10	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	Chevrolet	G10	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	Chevrolet	G10	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	Chevrolet	G20	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	Chevrolet	G20	5.0L	V8	—	N/A	with Catalytic Converter; Cut To Fit; If welded assembly, replace all required parts
1984	Chevrolet	G30	5.7L	V8	146.0"	N/A	Do Not Use with Federal Emission Control or H5D Emissions
1984	GMC	G1500	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	GMC	G1500	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	GMC	G1500	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	GMC	G1500	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	GMC	G2500	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1984	GMC	G2500	5.0L	V8	—	N/A	with Catalytic Converter; Cut To Fit; If welded assembly, replace all required parts
1984	GMC	G3500	5.7L	V8	146.0"	N/A	Do Not Use with Federal Emission Control or H5D Emissions
1983	Chevrolet	G10	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	Chevrolet	G10	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	Chevrolet	G10	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	Chevrolet	G10	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	Chevrolet	G20	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	Chevrolet	G20	5.0L	V8	—	N/A	with Catalytic Converter; Cut To Fit; If welded assembly, replace all required parts
1983	Chevrolet	G30	5.7L	V8	146.0"	N/A	Do Not Use with Federal Emission Control or H5D Emissions
1983	GMC	G1500	5.7L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	GMC	G1500	5.0L	V8	125.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	GMC	G1500	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	GMC	G1500	5.0L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	GMC	G2500	5.7L	V8	110.0"	N/A	Cut To Fit; If welded assembly, replace all required parts
1983	GMC	G2500	5.0L	V8	—	N/A	with Catalytic Converter; Cut To Fit; If welded assembly, replace all required parts
1983	GMC	G3500	5.7L	V8	146.0"	N/A	Do Not Use with Federal Emission Control or H5D Emissions
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Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

2833638249