Boundary Billet MartenWear Oil Pump Gear

2003–2010 Dodge Challenger, Dodge Charger 5.7L & 6.1L HEMI V8

Part #: HEMI-OPG-M

Overview

The Boundary Billet MartenWear Oil Pump Gear is a high-quality, precision-engineered upgrade designed specifically for Dodge HEMI V8 engines produced from 2003 to 2010. Compatible with both the 5.7L and 6.1L engines found in the Dodge Challenger and Dodge Charger, this oil pump gear is built to enhance durability and maintain optimal oil pressure under demanding driving conditions.

Ideal for performance enthusiasts, restorers, and daily drivers alike, this gear offers a direct replacement solution that significantly improves wear resistance and reliability compared to factory components. Whether you are upgrading for performance, restoring your vehicle to OEM standards, or ensuring dependable engine operation, the Boundary MartenWear Oil Pump Gear delivers consistent, long-lasting performance and peace of mind.

Key Features

Engineered with advanced manufacturing processes, the Boundary Billet MartenWear Oil Pump Gear provides several important benefits:

• Dual heat treated for superior hardness and enhanced wear resistance
• Billet steel construction ensures precise dimensions and exceptional strength
• Direct fitment for 2003–2010 Dodge Challenger and Charger 5.7L and 6.1L HEMI V8 engines
• Improves oil pump longevity under high-stress and high-RPM conditions
• Maintains OEM specifications for seamless installation without modifications
• Reduces risk of premature gear wear and potential engine damage
• Manufactured by Boundary, a trusted name in performance engine components
• Precision CNC machining guarantees exact tooth profiles for smooth operation

Construction & Design

This oil pump gear is crafted from premium billet steel selected for its strength and durability. Boundary applies a dual heat treatment process that hardens the gear’s surface while preserving core toughness, resulting in a component that resists wear, deformation, and fatigue even under extreme engine conditions.

Precision CNC machining ensures exact tooth profiles and tight tolerances, allowing the gear to mesh smoothly with the oil pump drive system. This meticulous engineering minimizes noise and vibration while maximizing oil circulation efficiency throughout the engine, supporting reliable lubrication and extended engine life.

Installation & Fitment

The Boundary Billet MartenWear Oil Pump Gear is designed as a direct replacement for the original equipment gear, requiring no modifications to the engine or oil pump assembly. Installation is straightforward for experienced mechanics and professionals familiar with Dodge HEMI engines.

This gear fits the following vehicles equipped with 5.7L and 6.1L HEMI V8 engines produced between 2003 and 2010:

• Dodge Challenger 5.7L HEMI
• Dodge Challenger 6.1L SRT8
• Dodge Charger 5.7L HEMI
• Dodge Charger 6.1L SRT8

Always verify compatibility with your specific vehicle year and engine variant before purchase to ensure proper fitment.

What's Included

• 1 x Boundary Billet MartenWear Dual Heat Treated Oil Pump Gear (Part # HEMI-OPG-M)

Ideal For

This oil pump gear is ideal for Dodge HEMI owners who demand enhanced durability and reliability from their engine components. It is well-suited for:

• Performance enthusiasts upgrading their powertrain for high RPM and heavy-duty use
• Restorers seeking OEM-quality replacement parts for classic Dodge HEMI vehicles
• Daily drivers aiming to extend engine life and prevent premature wear
• Vehicles subjected to track use, towing, or other demanding conditions where oil pump integrity is critical

Boundary Pumps (Boundary Racing Pumps) focuses on precision-engineered oil pumps designed to deliver strong flow and pressure for high-RPM, high-load performance engines. Built for punishing conditions, their upgraded pump solutions are aimed at enthusiasts and racers who want extra lubrication headroom and durability—especially in builds where engine protection is non-negotiable.