WALKER 18860

WALKER part number 18860 is a muffler in the Exhaust & Emission system. This catalog matches it to 105 year-and-engine configurations from 2000 to 2024.

Verified fitment includes 2024 GMC Sierra 1500 3.0L L6 DIESEL Turbocharged ; 2024 GMC Sierra 1500 6.2L V8 ; 2024 GMC Yukon 3.0L L6 DIESEL Turbocharged ; 2024 GMC Yukon 5.3L V8 ; 2024 GMC Yukon XL 3.0L L6 DIESEL Turbocharged , plus 100 other configurations. See every vehicle this part fits.

Manufacturer specifications
SoundFXDirect Fit
GS Model or GS-R Model or LS Model
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is WALKER 18860?

WALKER part number 18860 is a muffler with published application data for 105 vehicle configurations from 2000 to 2024. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does WALKER 18860 fit?

This catalog matches 18860 to 105 year-and-engine configurations from 2000 to 2024. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is WALKER 18860 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. WALKER 18860 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

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