Availability
2004 GMC Exhaust
Muffler, Pro, 3.000 in. Inlet/2.500 in. Outlet, Steel, Aluminized, Each
Part Number: IMM-7421CB
Estimated Ship Date: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Intermediate Pipe, Outside Diameter 2.750 in., Steel, Aluminized, Cadillac, GMC, Each
Part Number: WLK-53946
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each
Part Number: APH-2191
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Cadillac, Chevy, GMC, Each
Part Number: APH-2306
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Converter with Integrated Exhaust Manifold, Chevrolet, GMC, Isuzu, Each
Part Number: APH-641216
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 46.00 in. Overall Length, Cadillac, Chevrolet, GMC, Each
Part Number: APH-645236
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 61.25 in. Overall Length, Chevrolet, GMC, Isuzu, Each
Part Number: APH-645804
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 50.50 in. Overall Length, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Each
Part Number: APH-645878
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Exhaust, Dual Tailpipe System, Steel, Aluminized, 2.5 in. Dia, Driver Side, Chevy, GMC, Pickup, 4.8, 5.3, 6.0L
Part Number: WLK-55050
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Catalytic Converter, Stainless Steel, 3.00 in. Inlet, 3.00 in. Outlet, 15.00 in. Length, Universal, Each
Part Number: MPE-51309
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Exhaust Manifolds, Cast Iron, Natural, Left, Chevrolet, GMC, Each
Part Number: ATP-101552
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Catalytic Converter, Stainless Steel, Chevy, GMC, 6.0L, Passenger Side, Each
Part Number: MPE-447283
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip fit Outlet, 56.00 in. Overall Length, Left, Chevrolet, GMC, Each
Part Number: APH-645782
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 55.00 in. Overall Length, Buick, Chevrolet, GMC, 5.3L, Each
Part Number: APH-645784
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Exhaust Manifolds, Cast Iron, Natural, Right, Chevrolet, GMC, Isuzu, Oldsmobile, Each
Part Number: ATP-101088
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Exhaust Manifolds, Cast Iron, Natural, Does Not Include Block-off Plate, Left, Chevrolet, GMC, 8.1L, Each
Part Number: ATP-101377
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Exhaust Manifolds, Cast Iron, Natural, Right, Chevrolet, GMC, Each
Part Number: ATP-101401
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
EXHAUST MANIFOLD
Part Number: ATP-101403
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
EPA OBDII Direct Fit Converter 03-06 Chevy Silverado 2500 HD, 3500 HD 8 cyl., 6.0L, California emisions, left,
Part Number: CTO-9877
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
EPA OBDII Direct Fit Converter
Part Number: CTO-9879
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Exhaust Manifold, Passenger Side, Cast Iron, Natural Finish, Buick, Chevy, GMC, Oldsmobile, Isuzu, Each
Part Number: RNB-674-777
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Catalytic Converter, Stainless Steel, Chevy, GMC, 4.8, 6.0L, Passenger Side, Each
Part Number: MPE-49602
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Catalytic Converter - Direct Fit
Part Number: CTO-9990
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Conv Univ 2.50" Spun CA
Part Number: MPE-4651306
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Catalytic Converter, Stainless Steel, Chevy, GMC, 4.2L, Center, Each
Part Number: MPE-49022
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster