Walker 50204 Exhaust Y Pipe

Brand Walker 50204
Outlet Outside Diameter 2.5
Length 15.875
Grade Type Regular
Bend Type Compression
Finish Aluminized
Inlet Quantity 2
Inlet Type 3 bolt loose flange with spherical flare
Material Steel
Mounting Hardware Included No
Outlet Quantity 1
Outlet Type 3 bolt welded flange
Pipe Wall Thickness 0.05
Universal Or Specific Fit Specific
Fits Chevrolet and GMC · 4 vehicles

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

Aluminized steel. Built from aluminized steel for added durability.

Exhaust Y pipe. A replacement exhaust pipe with dual inlets and a single outlet.

Cross-references 15721989 for the same application. See all 1.

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Walker 50204 Exhaust Y Pipe for S10 and Sonoma

Walker 50204 is a specific-fit exhaust Y pipe for 1998-1999 Chevrolet S10 and 1998-1999 GMC Sonoma models with the Federal Emission System. Built from aluminized steel, it uses precision bending and fixture checking to support a precise fit for straightforward exhaust repair.

Key Features

  • Specific-fit exhaust Y pipe for confirmed vehicle applications
  • Aluminized steel construction for corrosion resistance and durability
  • Compression bend type for accurate routing
  • 2.5-inch outside diameter outlet
  • 3-bolt loose flange with spherical flare inlet design
  • 3-bolt welded flange outlet design
  • Walker part number 50204 for direct identification

Product Details

This Walker exhaust Y pipe is built for exhaust system service on the Chevrolet S10 and GMC Sonoma. The aluminized finish and steel construction help it stand up to everyday exhaust heat and road exposure, while the formed pipe geometry supports proper alignment during replacement. Walker 50204 is a direct-fit exhaust component for 1998-1999 Chevrolet S10 and 1998-1999 GMC Sonoma trucks equipped with the Federal Emission System.

This part cross-references OE number 15721989 for the same application.

Common Repair Uses

  • Replacing a rusted or leaking Y pipe in the exhaust system
  • Restoring exhaust flow after flange or pipe damage
  • Correcting exhaust leaks that can trigger noise or odor concerns
  • Repairing a failed connection between exhaust sections
  • Returning a 1998-1999 Chevrolet S10 or GMC Sonoma to proper exhaust routing

Installation Notes and Tips

Verify Federal Emission System fitment before installation. Match the 3-bolt flange locations and confirm pipe routing against the original exhaust layout on the vehicle. Inspect adjoining gaskets, flanges, and fasteners during service so the replacement can seal correctly and maintain alignment.

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to help ensure consistent fitment and installation accuracy. The aluminized steel construction supports long-term service in exhaust applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeTransmissionLitersCylindersNotes
1999ChevroletS10RWDAutomatic4.3LV6with Federal Emission System
1999GMCSonomaRWDAutomatic4.3LV6with Federal Emission System
1998ChevroletS10RWDAutomatic4.3LV6with Federal Emission System
1998GMCSonomaRWDAutomatic4.3LV6with Federal Emission System
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
15721989