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

-
Lot of (5) Genuine OEM GM Water Pump Gasket 3860039 | OS4-13-E
Regular price $10.21 USDRegular priceUnit price / per -
Genuine OEM GM Engine Exhaust Valve 97366946 | DSK-02-3-C
Regular price $15.00 USDRegular priceUnit price / per -
NOS OEM NIP GM ACDelco 12586608 Valve Pipe Gasket | OS4-13-E
Regular price $7.66 USDRegular priceUnit price / per -
Genuine OEM GM (EGR) Valve Cover Gasket 12337972 Lot of (2) | OS4-13-B
Regular price $7.66 USDRegular priceUnit price / per -
4955844 Engine Water Pump for Cummins Genuine OEM | OS-FL
Regular price $425.00 USDRegular priceUnit price / per -
GM Genuine OEM Corvette Camaro VLOM Valve Lifter Oil Manifold 12688229 | OS-FL
Regular price $475.00 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 -
(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 -
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
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
-
BlueBird Bus Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM BlueBird Bus...
-
Caterpillar Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Caterpillar parts...
-
Volkswagen Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Volkswagen VW...
-
Western Star Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Western Star...
-
Hino Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Hino Truck...
-
Isuzu Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Isuzu Truck...
-
Mack Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Mack Truck...
-
Fisher Plow Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Fisherv/ Western...
-
Cummins Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Cummins parts...
-
Volvo Truck Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Volvo Truck...
-
Freightliner Parts
OconnorParts.com stocks hard to find discontinued and aged genuine OEM Freightliner parts...