1991 GMC K1500 Engines & Components

Melling Valve Springs VSK46672

VALVE SPRING KIT

Part Number: MEL-VSK46672

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Dorman Idler Pulleys 419-610

Idler Pulley, Serpentine, Steel, Black, Each

Part Number: RNB-419-610

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Proform Harmonic Balancer Covers 66518CC

Harmonic Balancer Cover, Aluminum, Chrome, 8 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66518CC

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Hastings Premium Ductile Ring Sets 2M592020

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M592020

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-180BR

Melling Engine Expansion Plug Kits MPE-180BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-180BR

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Summit Racing™ Magnetic Drain Plugs SUM-120102O

Oil Pan Drain Plug, Magnetic, Steel, Orange Powdercoated, Neodymium Super Magnet, 1/2-20 RH in. Threads, Copper Seal, Each

Part Number: SUM-120102O

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Sealed Power Chrome Piston Ring Sets E-251KC

Piston Rings, Chrome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251KC

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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VEGE Remanufactured Long Block Crate Engines DCM5

Crate Engine, Remanufactured Long Block, Assembled, Chevrolet, 5.7L, Each

Part Number: VRE-DCM5

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

ACDelco GM Genuine Parts Main Bearing Cap Bolts 12561388

Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each

Part Number: ADO-12561388

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dorman Automatic Belt Tensioners 419-102

Automatic Belt Tensioner, Smooth Pulley, Chevy, GMC, Oldsmobile, Each

Part Number: RNB-419-102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

WIX Filters Crankcase Breather Elements 42995

Crankcase Breather Element, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: WIX-42995

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Pioneer Balancers DA-3071

Harmonic Balancer, Internal Balance, 6.730 in. Diameter, Nodular Iron, Chevy/GMC/Pontiac, Small Block, Each

Part Number: PIO-DA-3071

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATP Graywerks Harmonic Balancers 102075

4.25 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Pioneer Replacement Cylinder Head Fasteners S-327

HEAD BOLT KIT

Part Number: PIO-S327

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dorman Valve Cover Grommets 42061

Valve Cover Grommet, PCV, Buick, Cadillac, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: RNB-42061

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Hastings Premium Ductile Ring Sets 2M5547

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5547

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5523045

Piston Rings, Premium Ductile Ring Sets, 0.045 in. Oversize, 4.045 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523045

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5523065

Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.065 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set of 8

Part Number: HSN-2M5523065

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M139S040

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M139S040

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATP Graywerks Harmonic Balancers 102052

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy, GMC, Oldsmobile, V6, Each

Part Number: ATP-102052

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Dorman Crankshaft Pulleys 594-530

Crankshaft Pulley, Serpentine, 6-groove, Steel, Black, Each

Part Number: RNB-594-530

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Pioneer Balancers DA-2621

Harmonic Balancer, Internal Balance, 6.130 in. Diameter, Nodular Iron, Black, Chevy, GMC, Oldsmobile, V6, Each

Part Number: PIO-DA-2621

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

VEGE Remanufactured Long Block Crate Engines VCA9

Crate Engine, Remanufactured, Long Block, Chevrolet, GMC, 5.0L/305, Each

Part Number: VRE-VCA9

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

COMP Cams Dual Energy Camshafts 12-209-3

Camshaft, Hydraulic Flat Tappet, Advertised Duration 275/277, Lift .462/.482, Chevy, Small Block, Each

Part Number: CCA-12-209-3

Not Yet Reviewed

Estimated Ship Date: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today

ATP Timing Covers 103076

Timing Cover, 1 Piece, Plastic, Black, Gasket Included, Mounting Hardware Included, Chevy, GMC, Pontiac, Cadillac, Each

Part Number: ATP-103076

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Melling M-Select Class 2 Camshafts 22233

Camshaft, Hydraulic Flat Tappet, 300/300 Advertised Duration, .436/.436 in. Lift, Chevy, Small Block, Each

Part Number: MEL-22233

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today