OEM Standard Exhaust Valve Rocker Arm High-Strength Iron for Mitsubishi 4D56 Engine

The Exhaust Valve Rocker Arm (OEM Number: 1025A091) is a premium-quality, direct replacement valvetrain component designed for Mitsubishi L200 pickups equipped with the 4D56 diesel engine.

Function: Transfers motion from the camshaft or pushrod to the exhaust valve, opening it at precise timing. Ensures efficient exhaust gas expulsion and engine performance.

• OE Quality: Manufactured to Mitsubishi dimensional and material specifications for perfect fit and reliable valve actuation
• Hardened Contact Pad: Wear-resistant surface reduces friction and extends service life
• Precision Pivot Bore: Smooth operation on the rocker shaft
• Durable Construction: High-strength material withstands high cyclic loads
• SGS Certified: Quality verified by third-party inspection
• Restores Valvetrain Performance: Eliminates tapping noise, uneven valve lift, and power loss
• Direct Replacement: Matches OE dimensions - simple installation
• Cost-Effective: Affordable alternative to genuine Mitsubishi rocker arms
• 1-Year Warranty: Guaranteed quality and after-sales support

This exhaust valve rocker arm is specifically designed for Mitsubishi L200 with 4D56 engine.

• Mitsubishi L200 (pickup, also known as Triton / Strada)
• Mitsubishi Pajero / Montero (with 4D56 - verify)
• Mitsubishi Delica (with 4D56 - verify)

• 4-Cylinder, Inline Diesel, SOHC, Turbocharged
• Displacement: 2.5L (2477cc)
• Valvetrain: Overhead cam with rocker arms

Installation steps (overview for 4D56 SOHC engine):

1. Remove valve cover and any related components
2. Remove the rocker shaft assembly or individual rocker arm
3. Inspect the rocker shaft and pushrod for wear
4. Lubricate the new rocker arm's pivot bore and pad with engine assembly lube
5. Install the new rocker arm onto the shaft or pedestal. Ensure proper orientation (exhaust side)
6. Torque the rocker arm shaft bolts or adjustment nut to specification
7. Adjust valve lash to OE specification (typically 0.25-0.35mm cold for 4D56)
8. Install new valve cover gasket and reassemble
9. Start engine and check for abnormal noise
10. Re-check valve lash after warm-up if required

• Material Verification: Iron alloy composition and hardness tested
• Dimensional Inspection: Pad radius, pivot bore diameter, and overall length verified against OE blueprints
• Hardness Testing: Pad hardness (HRC 50-55) and core hardness checked
• Visual Inspection: 100% checked for casting defects, burrs, or surface flaws
• Packaged Safely: Wrapped in protective oil paper, sealed in plastic bag, boxed with foam

• Neutral export packing or customized packaging available
• Carton or wooden case for safe transportation
• Fast delivery for stock items
• Shipping by Express Air or Sea