1978 OLDSMOBILE CUTLASS SUPREME Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

Mr. Gasket Cam Locking Plate and Bolt Kits 948G

Camshaft Bolt and Lock Plate, Steel, Black Oxide, Chevy, Kit

Part Number: MRG-948G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Dayco High Performance V-Belts 15580

Accessory Belts, V-Belts, V-groove, 0.440 in. Width, 58.00 in. Length, Buick, Chevy, Chrysler, Ford, GMC, Mack, Mercury, Studebaker, Each

Part Number: DAC-15580

5.0 out of 5 stars ( 1 )

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King SI-Series Main Bearings MB 557SISTDX

Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

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Continental OE Technology Series V-belts 15606

Belt, Elite, V-Belt, 7/16 in. Width, 60.00 in. Length, Each

Part Number: CEL-15606

5.0 out of 5 stars ( 1 )

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Hastings Premium Ductile Ring Sets 2M139S

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-2M139S

Not Yet Reviewed

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Continental OE Technology Series V-belts 15485

Belt, Elite, V-Belt, 7/16 in. Width, 48.00 in. Length, Each

Part Number: CEL-15485

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Hastings Premium Ductile Ring Sets 5499030

Piston Rings, Phosphate Coated, 3.765 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-5499030

Not Yet Reviewed

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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 )

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Proform Harmonic Balancer Covers 66517CC

Harmonic Balancer Cover, Aluminum, Chrome, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66517CC

4.0 out of 5 stars ( 4 )

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Dayco High Performance V-Belts 15525

Accessory Belts, V-Belts, V-groove, 0.440 in. Width, 52.50 in. Length, AMC, Buick, Chevy, Chrysler, Ford, GMC, International, Mercury, Each

Part Number: DAC-15525

Not Yet Reviewed

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Pioneer Performance Freeze Plugs 830011

Freeze Plug Kit, Brass, Oldsmobile, V8, Kit

Part Number: PIO-830011

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Continental OE Technology Series V-belts 15585

Belt, Elite, V-Belt, 7/16 in. Width, 58.00 in. Length, Each

Part Number: CEL-15585

Not Yet Reviewed

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Hastings Piston Ring Sets 139S

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-139S

Not Yet Reviewed

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Perma-Cool Bolt-On Oil Filter Adapters 113

Perma-Cool Bolt-On Oil Filter Adapters 113

Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, 1/2 in. Inlet/Outlet, Kit

Part Number: PRM-113

5.0 out of 5 stars ( 2 )

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Dorman Power Steering Pulleys 300-125

Power Steering Pulley, V-Belt, 2-Groove, Steel, Black, GM, Each

Part Number: RNB-300-125

4.0 out of 5 stars ( 4 )

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Continental OE Technology Series V-belts 15561

Belt, Elite, V-Belt, 7/16 in. Width, 55.50 in. Length, Each

Part Number: CEL-15561

5.0 out of 5 stars ( 2 )

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CVR Spin-On Oil Filter Bypass Adapters OFB67

Oil Filter Adapter, Spin-On Bypass Adapter, Billet Aluminum, Clear Anodized, 13/16-16 in., Chevy, Each

Part Number: CVS-OFB67

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-100-BR

Freeze Plug Kit, Brass, Chevy, Small Block, Kit

Part Number: PIO-PE100BR

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

ACDelco V-Ribbed Accessory Belts 88934338

Accessory Belt, V-ribbed, 46.58 in. Length, 0.41 in.. Width, Each

Part Number: ADO-15460

Not Yet Reviewed

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Dorman Expansion Plugs 567-001

Expansion Plugs, Brass, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-567-001

4.5 out of 5 stars ( 2 )

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Continental OE Technology Series V-belts 15512

Belt, Elite, V-Belt, 7/16 in. Width, 50.50 in. Length, Each

Part Number: CEL-15512

Not Yet Reviewed

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Continental OE Technology Series V-belts 13465

Belt, Elite, V-Belt, 3/8 in. Width, 46.50 in. Length, Each

Part Number: CEL-13465

5.0 out of 5 stars ( 2 )

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Pioneer Performance Freeze Plugs 830001

Freeze Plug Kit, Brass, Chevy, Small Block, 267-350, Kit

Part Number: PIO-830001

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Continental OE Technology Series V-belts 15574

Belt, Elite, V-Belt, 7/16 in. Width, 57.00 in. Length, Each

Part Number: CEL-15574

5.0 out of 5 stars ( 2 )

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Mahle Original OE Replacement Pistons S224-3543.030

Single Piston

Part Number: MAH-S2243543030

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today