BCBC M118 Engine Oil Pump

Engine Oil Pump Overview

This Melling engine oil pump, part number M118, is a standard replacement for a wide range of Chrysler, Dodge, and Plymouth applications. It is built for consistent oil pressure and efficient circulation in stock engine setups.

Key Features

• Standard replacement oil pump for stock applications
• Gear-style pump with steel gears and cast iron housing
• Gear and gerotor technology for efficient oil delivery
• Precision-ground end plates for improved wear resistance
• Individually tested for pressure and flow
• Includes gasket or seal and O-ring

Detailed Description

Melling part number M118 is engineered and assembled in the USA using high-quality materials and close-tolerance machining. The gear-driven design uses steel gears, a cast iron housing, and a cast iron cover to support stable oil pressure and reliable pump operation. It is a standard pressure, standard volume oil pump with a rust-preventative finish and a drive shaft drive type. This part cross-references ATP B-118 for the same application.

Compatible with many Chrysler, Dodge, and Plymouth engines, M118 is a practical choice for restoring oiling performance in vehicles such as the Dodge Caravan, Dodge Dakota, and Plymouth Voyager. The M118 oil pump is also listed for Chrysler LeBaron, Dodge Shadow, and Plymouth Sundance applications.

What It Is Used For

• Restoring proper engine oil pressure
• Replacing a worn or inefficient stock oil pump
• Addressing low oil flow caused by internal pump wear
• Supporting consistent lubrication in standard engine builds
• Correcting pressure loss from aging gears or pump components

Installation Notes and Tips

Verify engine application, pump style, and pickup dimensions before installation. This pump uses a drive shaft drive type and has a 0.800-inch inlet size with a 20 mm pickup tube diameter. Confirm gasket, seal, and O-ring placement during assembly, and inspect the mating surfaces for cleanliness before final installation.

Quality Assurance

Melling tests each oil pump for pressure and flow under conditions that duplicate actual engine operating conditions. The M118 is manufactured to high production standards and built from durable materials for dependable service.