Walker 42851 Exhaust Pipe

Name: Walker 42851 Exhaust Pipe
Brand: Walker
SKU: BDCN-42851
Price: 45.51 USD
Availability: InStock

⚙️ 51 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Cutlass Supreme, Grand Prix, Lumina, and Regal

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Overview of Walker Exhaust Pipe 42851

The Walker 42851 exhaust pipe is designed specifically for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered with aluminized steel, this exhaust pipe offers durability and corrosion resistance for reliable exhaust system performance.

Constructed from aluminized steel for enhanced corrosion resistance
Inlet and outlet diameters of 2 inches for precise fit
30.5 inches in length with a 4-inch bend radius for proper exhaust routing
Specific fit for Buick Cutlass Supreme, Chevrolet Lumina, Oldsmobile Regal, and Pontiac Grand Prix
Single inlet and outlet pipe connections for straightforward installation

Detailed Product Description

The Walker 42851 exhaust pipe is crafted from aluminized steel, providing a balance of strength and resistance to rust and corrosion. With a 2-inch inlet inside diameter and 2-inch outlet outside diameter, this pipe ensures a secure connection within the exhaust system. The 30.5-inch length and 4-inch bend radius are designed to match the exhaust routing requirements of specific vehicle models, including the Buick Cutlass Supreme, Chevrolet Lumina, Oldsmobile Regal, and Pontiac Grand Prix. This part features a single inlet and outlet pipe connection, simplifying the replacement process and maintaining proper exhaust flow.

Applications and Problem Solving

Replacement of damaged or rusted exhaust pipes on compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles
Restoring proper exhaust flow to reduce backpressure and improve engine efficiency
Addressing exhaust leaks caused by cracks or holes in the original pipe
Maintaining emissions compliance by ensuring a sealed exhaust system
Supporting overall exhaust system integrity and noise reduction

Installation Notes and Tips

When installing the Walker 42851 exhaust pipe, verify the fitment with your vehicle’s make and model to ensure compatibility. The aluminized steel construction allows for welding or clamp connections at the 2-inch pipe connections. Proper alignment of the 4-inch bend radius is essential to avoid stress on adjoining components. It is recommended to inspect surrounding exhaust components for wear during installation to maintain system integrity.

Quality Assurance

Walker exhaust pipes are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The aluminized finish provides extended corrosion resistance, contributing to the longevity of the exhaust system. While specific warranty details are not provided, Walker products are known for consistent quality in exhaust replacement parts.

Brand	Walker
Part Number	42851
Material	Steel
Outlet Outside Diameter	2
Inlet Inside Diameter	2
Inlet Quantity	1
Outlet Quantity	1
Bend Radius	4
Finish	Aluminized
Inlet 1 Inside Diameter	2
Inlet 1 Type	Pipe connection
Length	30.5
Outlet 1 Outside Diameter	2
Outlet 1 Type	Pipe connection
Universal Or Specific Fit	Specific fit

This part fits 51 vehicles. Search below:

Year	Make	Model	Submodel	Liters	Cylinders	Position	Notes
1993	Buick	Regal		3.1L	V6	N/A	without California Emission System; If welded assembly, replace all required parts
1993	Chevrolet	Lumina	Euro	3.1L	V6	N/A	without California Emission System; If welded assembly, replace all required parts
1993	Chevrolet	Lumina	Base	3.1L	V6	N/A	without California Emission System; If welded assembly, replace all required parts
1993	Oldsmobile	Cutlass Supreme	S	3.1L	V6	N/A	without California Emission System; If welded assembly, replace all required parts
1993	Pontiac	Grand Prix		3.1L	V6	N/A	with Single Exhaust; without California Emission System; If welded assembly, replace all required parts
1992	Buick	Regal		3.1L	V6	N/A	If welded assembly, replace all required parts
1992	Chevrolet	Lumina		2.5L	L4	N/A	If welded assembly, replace all required parts
1992	Chevrolet	Lumina	Euro	3.1L	V6	N/A	If welded assembly, replace all required parts
1992	Chevrolet	Lumina	Base	3.1L	V6	N/A	If welded assembly, replace all required parts
1992	Oldsmobile	Cutlass Supreme		3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1992	Pontiac	Grand Prix	LE	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1992	Pontiac	Grand Prix	GT	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1992	Pontiac	Grand Prix	STE	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1991	Buick	Regal		3.1L	V6	N/A	If welded assembly, replace all required parts
1991	Chevrolet	Lumina		2.5L	L4	N/A	If welded assembly, replace all required parts
1991	Chevrolet	Lumina	Euro	3.1L	V6	N/A	If welded assembly, replace all required parts
1991	Chevrolet	Lumina	Base	3.1L	V6	N/A	If welded assembly, replace all required parts
1991	Oldsmobile	Cutlass Supreme		3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1991	Oldsmobile	Cutlass Supreme		2.3L	L4	N/A	without High Output; If welded assembly, replace all required parts
1991	Pontiac	Grand Prix		2.3L	L4	N/A
1991	Pontiac	Grand Prix	LE	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1991	Pontiac	Grand Prix	GT	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1991	Pontiac	Grand Prix	STE	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1990	Buick	Regal		3.1L	V6	N/A	If welded assembly, replace all required parts
1990	Chevrolet	Lumina		3.1L	V6	N/A	If welded assembly, replace all required parts
1990	Chevrolet	Lumina		2.5L	L4	N/A	If welded assembly, replace all required parts
1990	Oldsmobile	Cutlass Supreme		3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1990	Oldsmobile	Cutlass Supreme	Base	2.3L	L4	N/A	without High Output; If welded assembly, replace all required parts
1990	Pontiac	Grand Prix		2.3L	L4	N/A
1990	Pontiac	Grand Prix		3.1L	V6	N/A	1st Design; with Dual Exhaust
1990	Pontiac	Grand Prix	LE	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1990	Pontiac	Grand Prix	Mclaren	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1990	Pontiac	Grand Prix	STE	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1989	Buick	Regal		2.8L	V6	N/A	If welded assembly, replace all required parts
1989	Buick	Regal		3.1L	V6	N/A	If welded assembly, replace all required parts
1989	Oldsmobile	Cutlass Supreme		2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1989	Oldsmobile	Cutlass Supreme		3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1989	Pontiac	Grand Prix	SE	3.1L	V6	N/A	with Dual Exhaust
1989	Pontiac	Grand Prix	LE	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1989	Pontiac	Grand Prix	Base	3.1L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1989	Pontiac	Grand Prix	Base	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1989	Pontiac	Grand Prix	SE	2.8L	V6	N/A	with Dual Exhaust
1989	Pontiac	Grand Prix	LE	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1988	Buick	Regal		2.8L	V6	N/A	If welded assembly, replace all required parts
1988	Oldsmobile	Cutlass Supreme	International	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1988	Oldsmobile	Cutlass Supreme	Indy 500 Pace Car	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1988	Oldsmobile	Cutlass Supreme	SL	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1988	Oldsmobile	Cutlass Supreme	Base	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1988	Pontiac	Grand Prix	Base	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1988	Pontiac	Grand Prix	LE	2.8L	V6	N/A	with Single Exhaust; If welded assembly, replace all required parts
1988	Pontiac	Grand Prix	SE	2.8L	V6	N/A	with Dual Exhaust

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

This part directly replaces or is cross-referenced with the following part numbers:

4316643200436956831368350

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