Availability
2004 GMC Engine Gaskets & Seals
HD OVERHAUL KIT
Part Number: MAH-7891011
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Rear Main Seal, 1-Piece, Fluoroelastomer, Each
Part Number: TMK-4359V
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
SEAL KIT
Part Number: NAL-89018163
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2026 if ordered today
Estimated Ship Date: Jul 7, 2026 if ordered today
Head Gasket, GM OE, 4.330 in. Bore, 0.056 in. Compressed Thickness, Graphite/Steel, Chevy, GMC, Each
Part Number: ADO-12558163
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Engine Gasket Set, Full Gasket Set, for 3.780 in./96mm Cylinder Bore, Chevy, 4.8L, 5.3L, Kit
Part Number: EGN-C325K-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
EGR Misc
Part Number: SMP-VG120
Not Yet Reviewed
Intake Manifold Gaskets, Plastic/Rubber, Kit
Part Number: RNB-615-722
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Intake Gasket, Upper Only, Rubber, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Saab, Kit
Part Number: RNB-615-711
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Intake Gasket, Upper Only, Rubber, Chevrolet, GMC, Isuzu, Kit
Part Number: RNB-615-710
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
EGR Gaskets, ACDelco EGR Gaskets, EGR Tube Gasket, Chevy, GMC, Each
Part Number: ADO-219-330
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Engine Water Pump Gasket
Part Number: ADO-251-2029
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
SEAL KIT,CR/SHF FRT OIL
Part Number: ADO-89017621
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
GM GEN III/IV 4.8L 5.3L 5.7L 6.0L OVAL PORT
Part Number: MAH-B31867
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Head Gaskets, Multi-layer Steel, 4.107 in. Bore, 0.050 in. Compressed Thickness, Chevrolet, GMC, Hummer, 6.6L Diesel, Each
Part Number: MAH-54583
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
GM-Trk:262(4.3L)Eng.(85-96)Oil Cooler Adapter Mounting Set
Part Number: MAH-GS33281
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Engine Gasket Set
Part Number: FEL-260-3207
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Engine Gasket Sets, Original Head Gasket Sets, Chevy, GMC, Isuzu, Oldsmobile, 4.3L, Kit
Part Number: MAH-HS5744F
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Engine Gasket Sets, Original Head Gasket Sets, Buick, Cadillac, Chevy, GMC, Isuzu, Small Block LS, Set
Part Number: MAH-HS54340
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Head Gaskets, Multi-layer Steel, 4.173 in. Bore, 0.080 in. Compressed Thickness, Chevrolet, GMC, 6.6L Diesel, Each
Part Number: MAH-54597
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Rear Main Seal General Motors Truck, 6.6L Duramax Diesel 2001-2009 All Engine VIN and Code
Part Number: MAH-67777
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Water Neck Gaskets and O-Rings
Part Number: NAL-12561155
Not Yet Reviewed
Estimated Ship Date: Jul 1, 2026 if ordered today
Estimated Ship Date: Jul 1, 2026 if ordered today
HOUSING ASM-CR/SHF RR OIL SEAL
Part Number: ADO-12581714
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
GASKET KIT,CYL HD
Part Number: ADO-88984219
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Head Gasket, GM OE, 4.180 in. Bore, Multi-Layer Steel, Chevy, GMC, Each
Part Number: ADO-98040128
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Engine Valve Stem Oil Seal, Engine Valve Stem Oil Seal, SEAL-VLV STEM OIL
Part Number: ADO-12555601
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
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