Availability
Showing In Stock Items. Show All 32 Items.
Mufflers, Heavy-Duty, Steel, Aluminized, 40.000 in. Overall Length, Mack, Each
Part Number: WLK-21838
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Walker Heavy Duty Muffler
Part Number: WLK-22936
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Exhaust Clamp, V-Band Style, Steel, 3.500 in. Diameter, Each
Part Number: WLK-35804
Not Yet Reviewed
Estimated Ship Date: Today if shipped by air
Estimated Ship Date: Today if shipped by air
Exhaust Manifold, Passenger Side, Cast Iron, Natural, Freightliner, International, Kenworth, Peterbilt, Each
Part Number: RNB-674-5002
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Exhaust Pipe, Elbow, 103 Degree Bend, Stainless Steel, 4.0 in. Diameter, Mack, Each
Part Number: RNB-674-5004
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Adapter, Turbo Downpipe, Stainless Steel, Natural, 3 in. O.D., Mack, Each
Part Number: RNB-674-5009
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
DEF HARDWARE
Part Number: RNB-674-9035
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Diesel Particulate Filters, One Inlet/Outlet, Stock, Stainless Steel, Heavy Duty Applications, Each
Part Number: RNB-674-2000
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Diesel Particulate Filters, One Inlet/Outlet, Stock, Stainless Steel, Mack, Each
Part Number: RNB-674-2001
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Diesel Particulate Filters, One Inlet/Outlet, Stock, Stainless Steel, Heavy Duty Applications, Each
Part Number: RNB-674-2002
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
DPF Clamp, 5.866 in. Max Diameter, Mack, Volvo, Each
Part Number: RNB-674-7008
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Exhaust Manifold End, Cast Iron, Natural, Cummins, 11.9L, Each
Part Number: RNB-674-5012
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 3.25 in. Inlet, 14.750 in. Length, Clamp-on, Mack, Truck, Kit
Part Number: RNB-674-6025
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 3.50 in. Inlet, 17.00 in. Length, Clamp-on, Mack, Volvo, Truck, Kit
Part Number: RNB-674-6027
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 3.25 in. Inlet, 17.50 in. Length, Clamp-on, Mack, Volvo, Kit
Part Number: RNB-674-6028
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Bellow, Exhaust, Steel, Natural, 4.7 in. Inlet, 13.0 in. Length, Clamp-on, Mack, Volvo, Kit
Part Number: RNB-674-6029
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Walker Heavy Duty Muffler
Part Number: WLK-22962
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
DEF HARDWARE
Part Number: RNB-674-9034
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
EGR Cooler, Heavy-Duty, Stainless Steel, Natural, Blue Bird, Freightliner, International, Kenworth, Mack, Oshkosh, Peterbilt, Roadmaster Rail, Each
Part Number: RNB-904-5024
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
EGR Cooler, Heavy-Duty, Stainless Steel, Natural, Mack, Each
Part Number: RNB-904-5512
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
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