Walker 42851 Exhaust Pipe

Brand Walker 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
Fits Buick, Chevrolet, Oldsmobile, and Pontiac · 51 vehicles

Specific fit. Precision-bent and fixture-checked for quick, easy installation.

Aluminized steel. Built for added durability and corrosion resistance.

Exhaust pipe. A direct pipe section for exhaust system repair or replacement.

Cross-references Febi-Bilstein 43695, Four Seasons 68313 and Four Seasons 68350 for the same application. See all 5.

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Walker 42851 Exhaust Pipe for Select GM Cars

Walker 42851 is a specific-fit exhaust pipe built from aluminized steel for durability and corrosion resistance. Precision bending and fixture checking help deliver a consistent fit for straightforward installation on select Buick, Chevrolet, Oldsmobile, and Pontiac applications.

Key Features

  • Aluminized steel construction for long-term exhaust service
  • Specific-fit design for direct replacement applications
  • 2-inch inlet inside diameter and 2-inch outlet outside diameter
  • 30.5-inch overall length with a 4-inch bend radius
  • Pipe connection at both ends for compatible exhaust routing
  • Walker 42851 exhaust pipe engineered for select 1988-1993 GM vehicles

Detailed Description

This Walker exhaust pipe is made for direct-fit replacement on select 1988-1993 Buick Regal, Chevrolet Lumina, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix models. The aluminized finish and steel construction support dependable exhaust repair, while the formed dimensions help maintain proper alignment in the exhaust system. If you are replacing a worn or damaged section on a 1993 Buick Regal, 1993 Chevrolet Lumina, or 1993 Pontiac Grand Prix, Walker 42851 provides a fitment-specific solution for the listed applications. This part cross-references Gates 43166 for the same application.

Common Repair Uses

  • Replacing a rusted or perforated exhaust pipe section
  • Restoring exhaust flow after pipe damage or separation
  • Repairing a leaking exhaust connection on select GM cars
  • Addressing fitment issues on a previous welded assembly
  • Returning the exhaust system to proper routing on compatible Buick, Chevrolet, Oldsmobile, and Pontiac models

Installation Notes and Tips

  • Compatible With 1993 Buick Regal, N/A, without California Emission System; if welded assembly, replace all required parts
  • Compatible With 1993 Chevrolet Lumina, N/A, without California Emission System; if welded assembly, replace all required parts
  • Compatible With 1993 Oldsmobile Cutlass Supreme, N/A, without California Emission System; if welded assembly, replace all required parts
  • Compatible With 1993 Pontiac Grand Prix, N/A, with Single Exhaust; without California Emission System; if welded assembly, replace all required parts
  • Compatible With 1988-1992 Buick Regal, N/A; if welded assembly, replace all required parts
  • Compatible With 1990-1992 Chevrolet Lumina, N/A; if welded assembly, replace all required parts
  • Compatible With 1988-1992 Oldsmobile Cutlass Supreme, N/A, with Single Exhaust; if welded assembly, replace all required parts
  • Compatible With 1988-1992 Pontiac Grand Prix, N/A, with Single Exhaust; if welded assembly, replace all required parts
  • Compatible With 1990-1991 Oldsmobile Cutlass Supreme, N/A, without High Output; if welded assembly, replace all required parts
  • Compatible With 1990-1991 Pontiac Grand Prix, N/A
  • Compatible With 1990 Pontiac Grand Prix, N/A, 1st Design; with Dual Exhaust
  • Compatible With 1988-1989 Pontiac Grand Prix, N/A, with Dual Exhaust

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to support accurate fitment and consistent installation quality. The aluminized steel construction is selected for durability in exhaust service.

This part fits 51 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1993BuickRegal—3.1LV6N/Awithout California Emission System; If welded assembly, replace all required parts
1993ChevroletLuminaEuro3.1LV6N/Awithout California Emission System; If welded assembly, replace all required parts
1993ChevroletLuminaBase3.1LV6N/Awithout California Emission System; If welded assembly, replace all required parts
1993OldsmobileCutlass SupremeS3.1LV6N/Awithout California Emission System; If welded assembly, replace all required parts
1993PontiacGrand Prix—3.1LV6N/Awith Single Exhaust; without California Emission System; If welded assembly, replace all required parts
1992BuickRegal—3.1LV6N/AIf welded assembly, replace all required parts
1992ChevroletLumina—2.5LL4N/AIf welded assembly, replace all required parts
1992ChevroletLuminaEuro3.1LV6N/AIf welded assembly, replace all required parts
1992ChevroletLuminaBase3.1LV6N/AIf welded assembly, replace all required parts
1992OldsmobileCutlass Supreme—3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1992PontiacGrand PrixLE3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1992PontiacGrand PrixGT3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1992PontiacGrand PrixSTE3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1991BuickRegal—3.1LV6N/AIf welded assembly, replace all required parts
1991ChevroletLumina—2.5LL4N/AIf welded assembly, replace all required parts
1991ChevroletLuminaEuro3.1LV6N/AIf welded assembly, replace all required parts
1991ChevroletLuminaBase3.1LV6N/AIf welded assembly, replace all required parts
1991OldsmobileCutlass Supreme—3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1991OldsmobileCutlass Supreme—2.3LL4N/Awithout High Output; If welded assembly, replace all required parts
1991PontiacGrand Prix—2.3LL4N/A—
1991PontiacGrand PrixLE3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1991PontiacGrand PrixGT3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1991PontiacGrand PrixSTE3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1990BuickRegal—3.1LV6N/AIf welded assembly, replace all required parts
1990ChevroletLumina—3.1LV6N/AIf welded assembly, replace all required parts
1990ChevroletLumina—2.5LL4N/AIf welded assembly, replace all required parts
1990OldsmobileCutlass Supreme—3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1990OldsmobileCutlass SupremeBase2.3LL4N/Awithout High Output; If welded assembly, replace all required parts
1990PontiacGrand Prix—2.3LL4N/A—
1990PontiacGrand Prix—3.1LV6N/A1st Design; with Dual Exhaust
1990PontiacGrand PrixLE3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1990PontiacGrand PrixMclaren3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1990PontiacGrand PrixSTE3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1989BuickRegal—2.8LV6N/AIf welded assembly, replace all required parts
1989BuickRegal—3.1LV6N/AIf welded assembly, replace all required parts
1989OldsmobileCutlass Supreme—2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1989OldsmobileCutlass Supreme—3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1989PontiacGrand PrixSE3.1LV6N/Awith Dual Exhaust
1989PontiacGrand PrixLE3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1989PontiacGrand PrixBase3.1LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1989PontiacGrand PrixBase2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1989PontiacGrand PrixSE2.8LV6N/Awith Dual Exhaust
1989PontiacGrand PrixLE2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1988BuickRegal—2.8LV6N/AIf welded assembly, replace all required parts
1988OldsmobileCutlass SupremeInternational2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1988OldsmobileCutlass SupremeIndy 500 Pace Car2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1988OldsmobileCutlass SupremeSL2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1988OldsmobileCutlass SupremeBase2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1988PontiacGrand PrixBase2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1988PontiacGrand PrixLE2.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
1988PontiacGrand PrixSE2.8LV6N/Awith Dual Exhaust
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Febi-Bilstein — 43695Four Seasons — 68313Four Seasons — 68350Gates — 4316643200