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The Rocker Arm (OEM Number: 13257-43G03) is a premium-quality, direct replacement valvetrain component designed for Nissan TD25 diesel engines. This rocker arm is mounted on the rocker shaft and pivots to convert the upward motion of the pushrod into downward motion to open the valve. Manufactured from high-strength aluminum with a cast silver finish, it is lightweight yet durable, featuring a hardened wear pad and precision-machined pivot bore.
Part Number
13257-43G03
Product Name
Rocker Arm / Engine Rocker Arm
Car Model
Nissan Cabstar, Atlas, Navara, light trucks
Engine Model
Nissan TD25 (2.5L Diesel)
Condition
100% Brand New
Material
High-strength aluminum alloy & precision bearings
Features & Advantages
OE Quality: Manufactured to Nissan dimensional and material specifications for perfect fit and reliable valve actuation
Aluminum Construction: Lightweight yet strong, reduces reciprocating mass
Cast Silver Finish: Corrosion-resistant and professional appearance
Hardened Wear Pad: Precision ground for durability and low friction
LU Brand Quality: Trusted aftermarket brand with high quality standards
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 Nissan rocker arms
Vehicle & Engine Compatibility
This rocker arm is specifically designed for Nissan TD25 diesel engines.
Nissan Vehicle Models:
Nissan Cabstar (light truck)
Nissan Atlas (light truck)
Nissan Navara / D21 (pickup, TD25 engine)
Nissan Urvan (van, with TD25)
Engine Specification - Nissan TD25:
4-Cylinder, Inline Diesel, OHV
Displacement: 2.5L (2499cc)
Installation Notes
Installation steps overview for TD25 OHV 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
Torque the rocker arm shaft bolts or adjustment nut to specification
Adjust valve lash to OE specification (typically 0.25-0.35mm cold for TD25)
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: Aluminum alloy composition and hardness tested
Dimensional Inspection: Pad radius, pivot bore diameter, and overall length verified
Hardness Testing: Wear pad hardness (HRC 50-55) confirmed
Visual Inspection: 100% checked for casting defects, burrs, or surface flaws
Packaged Safely: Wrapped in protective plastic, 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
Inquiry
For pricing, availability, or bulk purchase of the Rocker Arm 13257-43G03 For Nissan TD25 Engine, please contact our sales team for a competitive quote and expert technical support.
Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv... Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv...
