2004 GMC Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Speed-Pro Hypereutectic Pistons H1127CPA .50MM

Pistons, Hypereutectic, Dish, 96.50mm Bore, Buick, Cadillac, GMC, Isuzu, Chevy, 5.3L, Set of 8

Part Number: SLP-H1127CPA50MM

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Fleece Performance Freedom Series DuraMax Cylinder Heads FPE-61-10002-P

Cylinder Head, 2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side)

Part Number: FLE-FPE6110002P

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Speed-Pro Hypereutectic Pistons H1505CPA .75MM

Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8

Part Number: SLP-H1505CPA75MM

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Sealed Power MA Series Main Bearings 5085MA 10

Sealed Power MA Series Main Bearings 5085MA 10

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA10

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dayco Demanding Drive Kits 5040378K1

Serpentine Belt Drive Component Kit

Part Number: DAC-5040378K1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX3Z

Timing Set, Single Roller Chain, Billet Steel Sprockets, Chevy, 5.7L LS, 6.0L LS, Set

Part Number: CLO-9-3658TX3Z

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Chevrolet Performance Drive Belt Tensioners 12580196

TENSIONER

Part Number: NAL-12580196

Not Yet Reviewed

Estimated Ship Date: Jul 2, 2026 if ordered today

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Estimated Ship Date: Jul 2, 2026 if ordered today

King HP-Series Rod Bearings CR 807HPND 001

Rod Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND001

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Oil Pan Drain Plugs 090-936CD

Oil Drain Pan Plugs, Plug, Thread Size 12mm x 1.75, Each

Part Number: RNB-090-936CD

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Hastings Piston Ring Sets 2M4860045

Piston Rings, Plasma-moly, 4.044 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860045

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Fram Tough Guard Oil Filters TG3506

Oil Filter, Tough Guard, 13/16 in.-16 Thread, ONE

Part Number: FRM-TG3506

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

PRW Harmonic Damper Bolts 1042403

BOLT, HARMONIC BALANCER, Chev Duramax 6.6L 2001-22, 12-point, 5/8" wrenching, M18 x 1.5 x 2.750" UHL

Part Number: PQX-1042403

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dorman Main Cap Bolts 45691

Main Bolts, OE Replacement, GM, Set of 10

Part Number: RNB-45691

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Hastings Piston Ring Sets 2M4860060

Piston Rings, Plasma-moly, 4.059 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860060

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Sealed Power Performance Piston Ring Sets E-921K 60

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026

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ACDelco V-Ribbed Serpentine Belts 19163565

Accessory Belts, ACDelco V-Ribbed Serpentine Belts, 81.14 in. Length, 8 Ribs, Each

Part Number: ADO-K080806HD

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

ACDelco Lifter Valley Plates 12575742

COVER ASM-ENG BLK VALLEY

Part Number: ADO-12575742

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

King XP-Series Coated Rod Bearings CR 808XPNDC 010

Rod Bearings, XP-Series, Tri-Metal, 0.010 in. Crankshaft Undersize, Narrowed, Dowel, Chevy, Big Block, Set of 8

Part Number: KGB-R808XPNDC010

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

King Engine Bearings Rod Bearings CR 808XPNDC STDX

CONNECTING ROD BEARING

Part Number: KGB-S0069

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Melling Replacement Valve Locks VL-300

Valve Lock, Replacement, Stock Style, 1-groove, Stainless Steel, Each

Part Number: MEL-VL-300

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dayco Demanding Drive Kits D60960K1

DEMANDING DRIVE KIT, DAYCO

Part Number: DAC-D60960K1

Not Yet Reviewed

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Hastings Piston Ring Sets 4860020

Piston Rings, Phosphate Coated, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-4860020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

ACDelco GM Genuine Parts Piston Rings 88894243

Piston Rings, GM Geniune Parts, 4.000 in. Bore, Standard Size, Includes Rings for One Piston, Cadillac, Chevrolet, GMC, Hummer, 6.0L LS, 1 Set

Part Number: ADO-88894243

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Silv-O-Lite Hypereutectic Pistons 3451HC.020

Pistons, Hypereutectic, Dish, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, GM, Set of 6

Part Number: UEM-3451HC-020

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Sealed Power A-Series Rod Bearings 3190A 20

Rod Bearing, A-Series, 0.020 in. Crankshaft Undersize, Bi Metal, Chevy, GMC, Big Block, Each

Part Number: SLP-3190A20

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Oil Pan Drain Plugs 65416

Oil Drain Pan Plugs, Plug, Thread Size 12mm x 1.75, Each

Part Number: RNB-65416

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air