Collection: Engine Parts
OconnorParts.com specializes in hard to find and discontinued OEM auto parts. These parts are new and may have aged, distressed and or open packages, see descriptions.
We are a multi-brand full scale dealership, and we buy and warehouse much more than what is currently offered on this website. If you have a newer vehicle of a brand we sell, we urge you to reach out and inquire. We can also check fitment by VIN#. Please use our contact form and describe your needs. - CONTACT US

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Genuine OEM GM Valve 104918 Lot of (10) | OS3-05-C
Regular price $15.32 USDRegular priceUnit price / per -
Lot of (9) Meritor 2297U5273 AXLE HARDWARE RELIEF VALVE Rubber Plugs | OS4-12-E
Regular price $10.21 USDRegular priceUnit price / per -
Genuine OEM VW / AUDI Non-Return Valve 8E0121349A | OS3-11-C
Regular price $10.21 USDRegular priceUnit price / per -
Genuine OEM GM Seal Valve Stem Oil 12596995 | OS2-06-E
Regular price $6.13 USDRegular priceUnit price / per -
Genuine OEM GM Engine Intake Valve 12601763 | OS2-06-D
Regular price $11.74 USDRegular priceUnit price / per -
Genuine OEM GM Valve Exh 12601762 | OS2-06-C
Regular price $11.74 USDRegular priceUnit price / per -
(1) Genuine OEM Engine Valve Spring GM Parts 12677931 | OS3-04-E
Regular price $12.76 USDRegular priceUnit price / per -
GM OE Valve Lifter 12572638 | OS7-15
Regular price $9.28 USDRegular priceUnit price / per -
Water Pump Kit, Genuine OEM GM 12657499 or ACDelco 251-749 | CS13-E
Regular price $147.90 USDRegular priceUnit price / per -
ACdelco Vapor Canister Purge Valve 12611801 | CS11-D-T
Regular price $33.45 USDRegular priceUnit price / per -
Genuine Volkswagen Water Pump Assembly Bolt N-910-680-01 | OS3-03-B
Regular price $5.62 USDRegular priceUnit price / per -
Genuine OEM Detroit Diesel Camshaft Bearing Part 8929871 | OS5-09
Regular price $42.90 USDRegular priceUnit price / per -
Genuine GM Vapor Canister Vent Solenoid Valve Bracket 15844131 | OS1-05-E
Regular price $17.50 USDRegular priceUnit price / per -
19318241 GM Genuine OEM Valve Cover Gasket | OS7-16
Regular price $16.24 USDRegular priceUnit price / per -
Genuine CAT, CATERPILLAR SCREW-VALVE 2607524 | OS7-16
Regular price $11.57 USDRegular priceUnit price / per -
Genuine OEM GM Automatic Transmission Clutch Piston Dam Seal 24259708 | OS6-13
Regular price $9.60 USDRegular priceUnit price / per
Browse By Parts Category
Air Conditioning & Heating | Alternators & Starters | Batteries & Accessories | Bearings & Seals | Belts | Brakes | Chassis & Steering | CV, Driveshaft & Axle | Engine Cooling | Engine Parts | Engine Sensors & Emissions | Exhaust | Filters | Fuel Delivery | Gaskets | Hardware & Fasteners | Ignition & Tune-Up | Lighting & Electrical | Shocks & Struts | Tire & Wheel | Trailers & Towing | Transmission Parts | Turbocharger | Wipers & Components
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BlueBird Bus Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM BlueBird Bus...
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Caterpillar Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Caterpillar parts...
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Volkswagen Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Volkswagen VW...
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Western Star Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Western Star...
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Hino Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Hino Truck...
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Isuzu Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Isuzu Truck...
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Mack Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Mack Truck...
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Fisher Plow Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Fisherv/ Western...
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Cummins Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Cummins parts...
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Volvo Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Volvo Truck...
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Freightliner Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Freightliner parts...