Shop online for OEM Mercruiser 3.0 parts using interactive online lookup catalogs and diagrams. Huge discounts and free shipping make PPT the #1 Online MerCruiser dealer.. MerCruiser 4 cylinder engines date back to the 1965 model Renault engines, and the 3.7L 470 sterndrive and inboard models in the mid 1980's which Mercury Marine die cast.. Parts for Mercruiser Sterndrive & Inboard (Includes Diesel) & Mercury Racing / 4 Cylinder Engines / 3.0L GM 181 I/L4. Find Mercury parts diagrams for Mercruiser 3.0L GM 181 engines here. Use our engine serial number lookup to ensure you're getting the correct OEM parts. Please select your engine serial number range below and get your parts fast!
This 181 CID 3.0 LITER Parts Book has been designed to assist our distributors, deal-. PRIMARY ENGINE HARNESS DIAGRAM; CARBURETED/ELECTRIC FUEL PUMP ENGINES 181 (SPORTPAC), 4.3, 5.7,454, 502;. CARBURETED ENGINES - MERCRUISER & EARLY OMC APPLICATIONS; 16;. Service Repair Manual Covers: Frame Operator's cab Gm 4.3l v-6 engines Kubota engine repair Kubota diesel 3.6l engine Cooling system Lpg fuel system gm 4.3l engine with psi Gasoline fuel system 1 and 2 sp ps transmission repair Drive axle and differential assembly repair Steering axle Wet brakes - nmhg Hydraulic gear pump Hydraulic cleanliness procedures Main control valve Cylinder repair.