Availability
2004 GMC SIERRA 2500 HD Ignitions & Electrical
Computer Programmer, EvoHT2, Chevrolet, GMC, Duramax Diesel, Each
Part Number: EGE-26040
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Crankshaft Position Sensor, T-Series, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each
Part Number: SMP-PC278T
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, Stock Replacement, Natural Finish, Buick, Cadillac, Chevrolet, GMC, Isuzu, Saab, Each
Part Number: SUM-810353
Estimated Ship Date: Today
Estimated Ship Date: Today
Knock Sensor Grommet / Seal, Gen III LS Valley Cover, 2 Req'd per engine, Sold each
Part Number: RNB-42003
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug Wires, Blue Streak Performance Race, Assembled, Spiral Core, 9mm, Black, Set
Part Number: SMP-10039
Estimated Ship Date: Today
Estimated Ship Date: Today
Ignition Coils, XR Series, Black, 50,000 Volts Max, V8, Round Truck Style, LS, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Set of 8
Part Number: FST-30387-8
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Replacement Component, IAC/TPS Mounting Hardware, Stainless, GM LS Engines, Each
Part Number: SUM-921100
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug, Double Platinum, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each
Part Number: ATL-APP5245
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ignition Coils, Super, Coil Pack Style, Female/Socket, Epoxy, Black, Square, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Set of 8
Part Number: ACC-140043K-8
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor, 4-Wire, 0-1 V, Front, Cadillac, Chevy, GMC, 6.0/8.1L, V8, Each
Part Number: NGK-21549
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft Position Sensor, Replacement, Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Each
Part Number: SMP-PC273K
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug Wires, Blue Streak Performance Street, Assembled, Spiral Core, 8.5mm, Black, Set
Part Number: SMP-10026
Estimated Ship Date: Today
Estimated Ship Date: Today
Ground Strap, Body Electrical, 17.490 in. Length, Cadillac, Chevrolet, GMC, Truck, Each
Part Number: ADO-15179982
Estimated Ship Date: Today
Estimated Ship Date: Today
Glow Plugs, Gold, Chevrolet, GMC, 6.6L Diesel, Each
Part Number: ADO-63G
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each
Part Number: ADO-R44LTSM
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Multi Purpose, High Power, General, 8386, Each
Part Number: ADO-13500114
Estimated Ship Date: Today
Estimated Ship Date: Today
Sensor, Camshaft Position Sensor, Replacement, Each
Part Number: HLN-2CAM0181
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plugs, Platinum TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each
Part Number: DNP-4511
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plugs, Iridium Long Life, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each
Part Number: DNP-5090
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each
Part Number: CPN-13
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Red, 8.00mm Diameter, 12 in. Length, GM, V8, Set
Part Number: GRN-28-1629-CBR
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Power Window Switch, OEM, Stock Activation, Plastic, Cadillac, Chevy, GMC, Each
Part Number: SMP-DWS-241
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness Connector, Replacement, OEM Type, Male, 2-pin, Black, Buick, Cadillac, Chevy, GMC, Pontiac, Saturn, Suzuki, Each
Part Number: ADO-PT2183
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SPARK PLUG WIRE SETS, PerTronix 808224 Flame-Thrower Spark Plug Wires 8 cyl 8mm 45 Degree Boots Black
Part Number: PNX-808224
Estimated Ship Date: Today
Estimated Ship Date: Today
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