MACK Exhaust

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

Walker Heavy Duty Muffler

Part Number: WLK-22936

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 14, 2026 if ordered today

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DEF Module

Part Number: RNB-904-5520

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Exhaust Pipe, Elbow, 103 Degree Bend, Stainless Steel, 4.0 in. Diameter, Mack, Each

Part Number: RNB-674-5004

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22962

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Estimated Ship Date: Dec 11, 2026 if ordered today

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DPF Clamp, 5.866 in. Max Diameter, Mack, Volvo, Each

Part Number: RNB-674-7008

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Adapter, Turbo Downpipe, Stainless Steel, Natural, 3 in. O.D., Mack, Each

Part Number: RNB-674-5009

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Estimated Ship Date: Dec 3, 2026 if ordered today

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DEF HARDWARE

Part Number: RNB-674-9035

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Diesel Particulate Filters, One Inlet/Outlet, Stock, Stainless Steel, Mack, Each

Part Number: RNB-674-2001

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Locking Diesel Exhaust Fluid (DEF) Filler Cap

Part Number: SNN-DEF105

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Estimated Ship Date: Dec 2, 2026 if ordered today

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Bellow, Exhaust, Steel, Natural, 3.25 in. Inlet, 17.50 in. Length, Clamp-on, Mack, Volvo, Kit

Part Number: RNB-674-6028

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Diesel Particulate Filters, One Inlet/Outlet, Stock, Stainless Steel, Heavy Duty Applications, Each

Part Number: RNB-674-2002

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Bellow, Exhaust, Steel, Natural, 3.50 in. Inlet, 17.00 in. Length, Clamp-on, Mack, Volvo, Truck, Kit

Part Number: RNB-674-6027

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Estimated Ship Date: Dec 3, 2026 if ordered today

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EGR Cooler, Heavy-Duty, Stainless Steel, Natural, Mack, Each

Part Number: RNB-904-5512

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Diesel Exhaust Fluid (DEF) Filler Cap

Part Number: SNN-DEF106

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Estimated Ship Date: Dec 2, 2026 if ordered today

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Exhaust Manifold, Passenger Side, Cast Iron, Natural, Freightliner, International, Kenworth, Peterbilt, Each

Part Number: RNB-674-5002

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Estimated Ship Date: Dec 3, 2026 if ordered today

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DEF HARDWARE

Part Number: RNB-674-9031

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Estimated Ship Date: Dec 3, 2026 if ordered today

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DPF Clamp, 14.015 in. Max Diameter, Each

Part Number: RNB-674-7003

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Diesel Particulate Filters, One Inlet/Outlet, Stock, Stainless Steel, Heavy Duty Applications, Each

Part Number: RNB-674-2000

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Estimated Ship Date: Dec 3, 2026 if ordered today

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DPF Clamp, 12.992 in. Max Diameter, Each

Part Number: RNB-674-7002

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Estimated Ship Date: Dec 3, 2026 if ordered today

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DEF HARDWARE

Part Number: RNB-674-9034

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Bellow, Exhaust, Steel, Natural, 4.7 in. Inlet, 13.0 in. Length, Clamp-on, Mack, Volvo, Kit

Part Number: RNB-674-6029

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Estimated Ship Date: Dec 3, 2026 if ordered today

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