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2004 GMC SIERRA 2500 HD Parts and Accessories

Showing In Stock Items. Show All 1837 Items.

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Results 1 - 25 of 954

Fel-Pro Timing Cover Gaskets TCS 45993

Fel-Pro Timing Cover Gaskets TCS 45993

Fel-Pro Timing Cover Gaskets TCS 45993

Gasket, Gen. 3/4 LS Timing Cover Set with Seal and Oil pump O-Rings, Cork/Rubber, 4.8/5.3/5.7/6.0/6.2L, V8's, Kit

Part Number: FEL-TCS45993

4.92 out of 5 stars ( 71 )

Estimated Ship Date: Today

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Melling Factory Hydraulic Roller Lifters JB-2079

Made in the USA Melling Factory Hydraulic Roller Lifters JB-2079

Melling Factory Hydraulic Roller Lifters JB-2079

Hydraulic Roller Lifter, Replacement, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-JB-2079

5.0 out of 5 stars ( 4 )

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75W90 Red Line GL-5 Gear Oil 57904

75W90 Red Line GL-5 Gear Oil 57904

75W90 Red Line GL-5 Gear Oil 57904

Gear Lube, Transmission Fluid and Gear Oil, 75W90, Limited Slip, Synthetic, 1 qt., Each

Part Number: RED-57904

5.0 out of 5 stars ( 38 )

Cannot be shipped Internationally

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Fel-Pro PermaTorque MLS Head Gaskets 26192 PT

Fel-Pro PermaTorque MLS Head Gaskets 26192 PT

Fel-Pro PermaTorque MLS Head Gaskets 26192 PT

Head Gasket, Cadillac, Chevy, GMC/Hummer, Chevy, Small Block, LS6, Each

Part Number: FEL-26192PT

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Fel-Pro Rear Main Seal Cover Gaskets BS 40640

Fel-Pro Rear Main Seal Cover Gaskets BS 40640

Fel-Pro Rear Main Seal Cover Gaskets BS 40640

Rear Main Seal, 1-Piece, Rubber, GM, 4.8L, 5.3L, 5.7L, 6.0L, LS1, Each

Part Number: FEL-BS40640

4.64 out of 5 stars ( 39 )

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Fel-Pro Performance Valve Cover Gaskets VS 50504 R-1

Fel-Pro Performance Valve Cover Gaskets VS 50504 R-1

Fel-Pro Performance Valve Cover Gaskets VS 50504 R-1

Valve Cover Gaskets, Performance, Silicone, Chevy, Small Block LS, Pair

Part Number: FEL-VS50504R1

4.76 out of 5 stars ( 25 )

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ACDelco GM Genuine Parts Exhaust Manifold Gaskets 12617944

ACDelco GM Genuine Parts Exhaust Manifold Gaskets 12617944

ACDelco GM Genuine Parts Exhaust Manifold Gaskets 12617944

Exhaust Gaskets, Exhaust Manifold, Chevy, Pontiac, 5.7L, LS, Each

Part Number: ADO-12617944

4.67 out of 5 stars ( 12 )

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ACDelco GM Genuine Parts Timing Cover Seals 12585673

ACDelco GM Genuine Parts Timing Cover Seals 12585673

ACDelco GM Genuine Parts Timing Cover Seals 12585673

Timing Cover Seal, Chevy, Small Block LS, Each

Part Number: ADO-296-02

4.81 out of 5 stars ( 27 )

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Dayco Standard Heater Hoses 80271

Made in the USA Dayco Standard Heater Hoses 80271

Dayco Standard Heater Hoses 80271

Heater Hose, Standard, 5/8 in., Synthetic EPDM, Black, 50 ft. Long, Each

Part Number: DAC-80271

5.0 out of 5 stars ( 12 )

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King SI-Series Main Bearings MB5293SI

King SI-Series Main Bearings MB5293SI

King SI-Series Main Bearings MB5293SI

Main Bearings, SI-Series, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, 4.8, 5.3L, Set of 5

Part Number: KGB-MB5293SI

5.0 out of 5 stars ( 11 )

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Clevite Camshaft Bearings SH-2125S

Clevite Camshaft Bearings SH-2125S

Clevite Camshaft Bearings SH-2125S

Cam Bearings, Direct Replacement, Steel Backed Babbitt, Chevy, 4.8, 5.3, 6.0, 6.2, 7.0L, 2nd Design, Set

Part Number: CLE-SH2125S

4.35 out of 5 stars ( 43 )

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Summit Racing™ 86 Series 8mm 300 Ohm Ignition Wires SUM-867828R

Made in the USA Summit Racing™ 86 Series 8mm 300 Ohm Ignition Wires SUM-867828R

Summit Racing™ 86 Series 8mm 300 Ohm Ignition Wires SUM-867828R

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828R

4.45 out of 5 stars ( 101 )

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Mahle Original Rear Main Seals JV1657

Mahle Original Rear Main Seals JV1657

Mahle Original Rear Main Seals JV1657

Rear Main Seals, Original, One-piece, Viton®, Chevy, Small Block LS, Each

Part Number: MAH-JV1657

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Summit Racing™ Chevy LS High-Output D580 Ignition Coils SUM-850502

Summit Racing™ Chevy LS High-Output D580 Ignition Coils SUM-850502

Summit Racing™ Chevy LS High-Output D580 Ignition Coils SUM-850502

Ignition Coil, Coil Pack, Epoxy, D580 Style, Square, Black, LS-style, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: SUM-850502

3.0 out of 5 stars ( 2 )

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75W85 Red Line MT-85 Transmission Gear Oil 50504

75W85 Red Line MT-85 Transmission Gear Oil 50504

75W85 Red Line MT-85 Transmission Gear Oil 50504

Gear Lube, Transmission Fluid and Gear Oil, 75W85, Synthetic, 1 qt., Each

Part Number: RED-50504

4.74 out of 5 stars ( 23 )

Cannot be shipped Internationally

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10w30 Mobil Delvac Extreme Motor Oil 122454

10w30 Mobil Delvac Extreme Motor Oil 122454

Rebate Expires: 4/30/2026

This Mobil 1 product qualifies for a rebate! Go to https://promotion.mobil.com/offers/delvacrebate/

Get up to $80 back after rebates on qualifying Mobil 1 Delvac products! $10 back on 1-gallon, $12 back on 2.5-gallon, $40 back on a 5-gallon pail of Delvac 1 ESP/Extreme Oil. $5 back on 1-gallon, $7.50 back on 2.5-gallon, $20 back on a 5-gallon pail of Delvac 1300 Oil. Limit $80 maximum rebate per household. Go to https://promotion.mobil.com/offers/delvacrebate/ to redeem. Valid on purchases made between 2/1/26 and 4/30/26. Online rebate requests must be received by 5/7/2026. Valid in 50 U.S. states and D.C. only. Purchased together on (1) receipt or separately and combined in (1) envelope.

10w30 Mobil Delvac Extreme Motor Oil 122454

Engine Oil, Delvac Extreme, Synthetic, 10W30, 1 Gallon, Each

Part Number: MOB-122454-1

5.0 out of 5 stars ( 12 )

Cannot be shipped Internationally

    • Rebate Expires: 4/30/2026

    This Mobil 1 product qualifies for a rebate! Go to https://promotion.mobil.com/offers/delvacrebate/

    Get up to $80 back after rebates on qualifying Mobil 1 Delvac products! $10 back on 1-gallon, $12 back on 2.5-gallon, $40 back on a 5-gallon pail of Delvac 1 ESP/Extreme Oil. $5 back on 1-gallon, $7.50 back on 2.5-gallon, $20 back on a 5-gallon pail of Delvac 1300 Oil. Limit $80 maximum rebate per household. Go to https://promotion.mobil.com/offers/delvacrebate/ to redeem. Valid on purchases made between 2/1/26 and 4/30/26. Online rebate requests must be received by 5/7/2026. Valid in 50 U.S. states and D.C. only. Purchased together on (1) receipt or separately and combined in (1) envelope.

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McGard Wheel Locks 24210

McGard Wheel Locks 24210

McGard Wheel Locks 24210

Lug Nuts, Conical Seat, Bulge, 14mm x 1.50 RH, Closed End, Locking, Chrome Plated Steel, Set of 4

Part Number: MCG-24210

4.71 out of 5 stars ( 21 )

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Delphi Camshaft Position Sensors SS11370

Delphi Camshaft Position Sensors SS11370

Delphi Camshaft Position Sensors SS11370

Camshaft Position Sensor, OE Style, 3-Pin Connector, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DFP-SS11370

Not Yet Reviewed

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80W90 Yukon Gear & Axle Gear Lube OK 3-QRT-CONV-A

80W90 Yukon Gear & Axle Gear Lube OK 3-QRT-CONV-A

80W90 Yukon Gear & Axle Gear Lube OK 3-QRT-CONV-A

Gear Lube, 80W90, Limited Slip Additive, 3 qt., Each

Part Number: YGA-15003

4.95 out of 5 stars ( 22 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Fel-Pro Headbolt Kits ES 72173

Fel-Pro Headbolt Kits ES 72173

Fel-Pro Headbolt Kits ES 72173

Cylinder Head Bolts, Chevy LS 4.8, 5.3, 5.7, 6.0L, 1 Cylinder Head, Kit

Part Number: FEL-ES72173

4.14 out of 5 stars ( 22 )

Estimated Ship Date: Today

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B&M Transmission Brackets and Levers 35498

B&M Transmission Brackets and Levers 35498

B&M Transmission Brackets and Levers 35498

Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Today

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Sealed Power A-Series Rod Bearings 8-2555A

Made in the USA Sealed Power A-Series Rod Bearings 8-2555A

Sealed Power A-Series Rod Bearings 8-2555A

Rod Bearings, A-Series, Bi Metal, Standard Size, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555A

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Hayden Rapid-Cool Transmission Oil Coolers 677

Hayden Rapid-Cool Transmission Oil Coolers 677

Hayden Rapid-Cool Transmission Oil Coolers 677

Transmission Oil Cooler, Plate, Natural, 11 in. x 7.5 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-677

4.61 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Melling Camshaft Thrust Plates MF127

Made in the USA Melling Camshaft Thrust Plates MF127

Melling Camshaft Thrust Plates MF127

Camshaft Thrust Plate, Solid Type, Cast Iron, Avanti, Buick, Cadillac, Chevy, GMC, Pontiac, V8, Each

Part Number: MEL-MF127

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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