BCBC M342HV-375S Engine Oil Pump

Engine Oil Pump Overview

This Melling engine oil pump is built for applications that need consistent oil pressure and efficient circulation. It uses rotary pump design, high-volume output, and precision-machined components to support dependable engine lubrication. Part number M342HV-375S is made in the USA and assembled to production standards for direct replacement use in supported applications.

Key Features

• High-volume oil pump with 20% additional volume over stock
• Rotary design with gear and gerotor technology
• Aluminum housing and cover with rust-preventative finish
• Powdered metal rotor construction for durability
• Includes gasket or seal, pickup screen, O-ring, pump cover, and drive shaft
• Individually tested for pressure and flow before release

Detailed Description

Melling M342HV-375S is an improved-design engine oil pump engineered for stable pressure and efficient operation under engine load. Close-tolerance machined gears, precision-ground end plates, and a standard-pressure, high-volume layout help maintain oil delivery in demanding service conditions. The aluminum body, powdered metal rotor, and included pickup screen support reliable lubrication performance in compatible Jeep Grand Cherokee, Jeep Commander, Dodge Ram 1500, Dodge Ram 2500, and Dodge Ram 3500 applications. This part number, M342HV-375S, is a fitment-based replacement for engines that require the listed stock-style configuration with added volume.

What It Is Used For

• Low oil pressure caused by a worn or inefficient pump
• Reduced oil circulation in high-load engine operation
• Pressure inconsistency from worn internal pump components
• Lubrication concerns in stock-style replacement applications
• Engine wear risk related to inadequate oil delivery

Installation Notes and Tips

Verify engine application, pump style, and pickup tube dimensions before installation. Confirm the mounting pattern, drive type, and included seal components match the original setup. For best results, inspect the oil pickup and related sealing surfaces during service. Fits 2005-2010 Jeep Grand Cherokee, N/A; Fits 2006-2008 Jeep Commander, N/A; Fits 2003-2008 Dodge Ram 1500, N/A; Fits 2003-2008 Dodge Ram 2500, N/A; Fits 2003-2008 Dodge Ram 3500, N/A.

Quality Assurance

Melling tests each oil pump for pressure and flow under conditions that simulate engine operation. The brand’s manufacturing process emphasizes close tolerances, quality materials, and consistent assembly standards for dependable replacement performance.