2004 GMC SIERRA 2500 HD Parts & Accessories

Pacer Performance Flexy Flares Fender Flares 52-168

Fender Flare, Front or Rear, Black Synthetic Rubber, Universal, 25 ft. Roll, Each

Part Number: PPP-52-168

4.33 out of 5 stars ( 6 )

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MechMan Elite Series Cast Alternators 8206400

MechMan Elite Series Cast Alternators 8206400

Alternators and Generators, Elite Series Cast Alternators, 12 V, 400 amps, Serpentine, Buick, Cadillac, Chevrolet, GMC, Hummer, Olds, Pontiac, Each

Part Number: MEH-8206400

Not Yet Reviewed

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NGK G-Power Platinum Spark Plugs TR55GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .691 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3403

4.87 out of 5 stars ( 23 )

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Fox Racing Shox 2.0 Performance Series Reservoir Smooth Body Shocks 980-24-960

Shock, 2.0 Performance Series Reservoir, Smooth Body, Front, 8.1 in. Travel, 4-6 in. Lift, Chevrolet, GMC, Hummer H2

Part Number: FRS-980-24-960

Not Yet Reviewed

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BDS Suspension Lift Kits BDS739FDSC

01-10 HD 6.5" C/O System w/Rear Springs

Part Number: BDX-BDS739FDSC

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

ATI Super Damper Harmonic Balancer Shells ATI917071

Harmonic Balancer, Steel Shell, Less Hub, Chevy, Chrysler, Each

Part Number: ATI-917071

5.0 out of 5 stars ( 1 )

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Spectre Performance Cold Air Intake Kits 9900B

Air Intake Kit, Cold Air Intake System, Aluminum, Polished, Blue Filter, Cadillac, Chevy, GMC, Kit

Part Number: SPE-9900B

4.77 out of 5 stars ( 22 )

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Summit Racing™ 86 Series 8mm 300 Ohm Ignition Wires SUM-867830

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830

4.83 out of 5 stars ( 35 )

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Chevrolet Performance Replacement Valve Cover Bolts 12577215

Valve Cover Bolts, Steel, Chevy Small Block, L92, Each

Part Number: NAL-12577215

4.87 out of 5 stars ( 15 )

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Melling Freeze Plugs MPE-900BR-GP

Freeze Plugs, Brass/Steel, Chevy, GM LS Engine, Kit

Part Number: MEL-MPE-900BR-GP

5.0 out of 5 stars ( 4 )

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Walker Heavy-Duty U-Bolt Clamps 35752

Exhaust Clamp, U-bolt, Steel, Zinc Plated, 4.000 in. Diameter, 3/8 in. Thread, Each

Part Number: WLK-35752

4.89 out of 5 stars ( 9 )

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Summit Racing™ Extreme Performance Coated Brake Rotors SUM-BRC-66044PR

Brake Rotors, Cross-Drilled/Slotted, Iron, Zinc Dichromate Plated, Rear, Chevy, GMC, Pair

Part Number: SUM-BRC-66044PR

Not Yet Reviewed

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Billet Specialties Universal Pedal Kits 198622

Pedal Pads, Gas/Brake/Emergency Brake Pedal Position, Billet Aluminum, Polished, Automatic, Chevy, Set of 3

Part Number: BSP-198622

4.63 out of 5 stars ( 8 )

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Pacific Performance Engineering Stage3 Tie Rod Assemblies 158031500

Tie Rod Ends, Stage3 Forged Tie Rod Assemblies, Chevy, GMC, Pair

Part Number: PPE-158031500

4.44 out of 5 stars ( 18 )

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Moog Replacement Idler Arms K6723

Idler Arm Bracket Assembly, Cadillac, Chevy, GMC, Each

Part Number: MOG-K6723

4.75 out of 5 stars ( 32 )

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Fluidyne High Performance Radiators RGM.3R3417.A

Radiator, Aluminum, Natural, Automatic, Chevy, GMC, Each

Part Number: FLD-RGM-3R3417-A

5.0 out of 5 stars ( 1 )

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ACDelco Spark Plug Wire Sets 88862385

Spark Plug Wire Set, 7mm. Diameter, Spiral Core, Black, Chevy, Cadillac, GMC, Hummer, Set

Part Number: ADO-9748HH

4.57 out of 5 stars ( 7 )

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15 Inch 6,000 CFM Flex-A-Lite Electric Fan 104703

Electric Fan, Dual, 15 in. Diameter, Puller, 6,000 cfm, Black, Nylon, Each

Part Number: FLX-104703

Not Yet Reviewed

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Dorman Transmission Pans 265-810

Automatic Transmission Pans, Stock Style, Steel, Black, Drain Plug, Cadillac, Chevy, GMC, Workhorse, Each

Part Number: RNB-265-810

5.0 out of 5 stars ( 5 )

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K&N Performance Gold Oil Filters HP-1007

Oil Filter, Performance Gold, Canister, 3.75 in. Tall, 3.00 in. Diameter, 13/16 in.-16 Thread, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-1007

4.82 out of 5 stars ( 28 )

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ACDelco GM Genuine Parts Engine Connecting Rods 12649190

Connecting Rods, GM Genuine Parts, I-beam Style, Steel, 6.098 in. Length Center To Center, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12649190

Not Yet Reviewed

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ACDelco V-Ribbed Serpentine Belts 19186305

Accessory Belts, V-Ribbed Serpentine Belts, 6-rib, 0.807 in. Width, 93.58 in. Length, Buick, Cadillac, Chevrolet, GMC, Mercedes-Benz, Mercury, Each

Part Number: ADO-K060930HD

5.0 out of 5 stars ( 2 )

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King XP-Series Main Bearings MB5013XP 010

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP010

4.67 out of 5 stars ( 3 )

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JBA Performance Exhaust Cat4ward Headers 1850S-3JS

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, Pickup, 6.0L, Pair

Part Number: JBA-1850S-3JS

4.79 out of 5 stars ( 14 )

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Moroso PCV Air/Oil Separators 85481

Air, Oil, Separator Tank, Aluminum, Polished, 3 in. Diameter, 4 in. Height, Chevy, GMC, Hummer, Kit

Part Number: MOR-85481

4.69 out of 5 stars ( 61 )

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2004 GMC SIERRA 2500 HD Parts and Accessories