BCBC MR-906 Engine Rocker Arm

Engine Rocker Arm Overview

This Melling engine rocker arm is a standard replacement part built for Toyota and Lexus applications that use a shaft-mounted, self-aligning roller design. It is identified by part number MR-906 and uses cast steel construction with an anti-rust finish for service in engine valvetrain assemblies.

Key Features

• Cast steel rocker arm with a roller design for valvetrain operation.
• Self-aligning construction helps maintain proper rocker alignment.
• Shaft mounting matches the specified OEM-style layout.
• Anti-rust finish adds surface protection during service.
• Standard replacement grade for engine rebuild and repair work.

Detailed Description

Melling MR-906 is an engine rocker arm intended for a wide range of Toyota and Lexus engines, including applications such as Toyota 4Runner, Camry, Tacoma, and Lexus RX350. The part uses cast steel material, a roller rocker arm profile, and a shaft mount to match the original design requirements listed in the fitment data. Melling notes that its rocker arms are offered for domestic and import applications and recommends replacing rocker arms and related components during engine rebuilds to support long service life and efficient engine performance. This part cross-references Monroe Shocks & Struts (e.g., 13801-0P010, 13801-23011) for the same application.

Common Uses

• Worn or noisy valvetrain rocker arm replacement.
• Engine rebuild service requiring renewed rocker components.
• Restoration of proper valve actuation in shaft-mounted systems.
• Replacement for damaged or fatigued cast steel rocker arms.

Installation Notes

Verify engine code, valvetrain layout, and fitment notes before installation. Replace related rocker components during rebuild service when wear is present, and follow the manufacturer service procedure for torque and adjustment specifications. Fits 2005-2014 Toyota Tacoma, N/A; Fits 2007-2017 Toyota Camry, N/A; Fits 2007-2014 Lexus RX350, N/A.

Quality Assurance

Melling specifies this rocker arm as a standard replacement part and states that its rocker arms are manufactured using appropriate materials and processes for the application.