Mufflers

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Walker Heavy-Duty Steel 4 Inch Muffler 21838

Mufflers, Heavy-Duty, Steel, Aluminized, 40.000 in. Overall Length, Mack, Each

Part Number: WLK-21838

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Walker Heavy Duty Muffler

Part Number: WLK-22936

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026

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Walker Heavy Duty Muffler

Part Number: WLK-22962

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today