Exhaust Valve Rocker Arm 1025A091 For Mitsubishi L200 4D56 Engine
Product Overview
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.
Product Specifications
| Part Number |
1025A091 |
| Product Name |
Exhaust Valve Rocker Arm |
| Car Model |
Mitsubishi L200 |
| Engine Model |
Mitsubishi 4D56 |
| Condition |
100% Brand New |
| Material |
High-strength aluminum alloy & precision bearings |
| Warranty |
6 Months |
| Origin |
China Mainland |
Features & Advantages
- 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
Vehicle & Engine Compatibility
This exhaust valve rocker arm is specifically designed for Mitsubishi L200 with 4D56 engine.
Mitsubishi Vehicle Models:
- Mitsubishi L200 (pickup, also known as Triton / Strada)
- Mitsubishi Pajero / Montero (with 4D56 - verify)
- Mitsubishi Delica (with 4D56 - verify)
Engine Specification - Mitsubishi 4D56:
- 4-Cylinder, Inline Diesel, SOHC, Turbocharged
- Displacement: 2.5L (2477cc)
- Valvetrain: Overhead cam with rocker arms
Installation Notes
Installation steps (overview for 4D56 SOHC engine):
- Remove valve cover and any related components
- Remove the rocker shaft assembly or individual rocker arm
- Inspect the rocker shaft and pushrod for wear
- Lubricate the new rocker arm's pivot bore and pad with engine assembly lube
- Install the new rocker arm onto the shaft or pedestal. Ensure proper orientation (exhaust side)
- Torque the rocker arm shaft bolts or adjustment nut to specification
- Adjust valve lash to OE specification (typically 0.25-0.35mm cold for 4D56)
- Install new valve cover gasket and reassemble
- Start engine and check for abnormal noise
- Re-check valve lash after warm-up if required
Quality Control
- 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
Packaging and Delivery
- 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