Valve Rocker Arm Assembly WDL11008 For Isuzu Diesel Engine with HRC 50-55 Hardness Forged Steel OEM Standard

Name: Valve Rocker Arm Assembly WDL11008 For Isuzu Diesel Engine with HRC 50-55 Hardness Forged Steel OEM Standard
Brand: Yimi (Guangzhou) Automotive Parts Co, Ltd
SKU: Isuzu trucks (NPR, NKR, ELF)
Availability: InStock

Basic Properties

Place of Origin: China

Brand Name: YIMI

Certification: ISO/TS16949

Model Number: Isuzu trucks (NPR, NKR, ELF)

Trading Properties

Minimum Order Quantity: 10 pcs

Price: Negotiable

Payment Terms: T/T,

Supply Ability: 10000 pcs/month

isuzu tfr parts

isuzu replacement parts

ISUZU Starter Motor

Specifications

Part Number:	WDL11008	Shaft Hardness:	HRC 50-55
Material:	Forged Steel / Ductile Iron (rocker Arms), Hardened Steel Shaft	Installation Torque:	35-45 Nm
Valve Lash:	0.25-0.35mm Cold	Cooling Type:	Engine Coolant Circulation
Oil Passages:	Integrated	Condition:	Brand New
High Light:	Isuzu diesel engine rocker arm , HRC 50-55 forged steel valve rocker , OEM standard Isuzu engine parts

Product Description

Valve Rocker Arm Assembly WDL11008 For Isuzu Diesel Engine Truck Parts

Premium-quality direct replacement valvetrain component designed for various diesel engines, commonly used in Isuzu trucks and commercial vehicles.

Product Specifications

Part Number	WDL11008
Product Name	Valve Rocker Arm Assembly / Rocker Shaft Assembly
Car Model	Isuzu trucks (NPR, NKR, ELF)
Engine Model	Isuzu 4J series (4JB1, 4JH1), 4H series (4HF1, 4HG1)
Condition	100% Brand New
Material	High-strength aluminum alloy & precision bearings
Warranty	6 Months
Origin	China Mainland

Product Function

Valve rocker arm assembly transfers motion from the camshaft or pushrod to the engine valves, ensuring precise valve timing and efficient combustion. Durable design for heavy-duty diesel engines.

Valve Rocker Arm Assembly WDL11008 product image

Features & Advantages

OE Quality: Manufactured to strict dimensional and material standards for perfect fit and long service life
Complete Assembly: Includes rocker arms, shaft, and hardware - ready to install
Hardened Surfaces: Wear-resistant contact pads and precision-ground shaft
Integrated Oil Passages: Ensures proper lubrication of rocker arm bushings
Durable Construction: Designed to withstand extreme engine conditions
Restores Valvetrain Performance: Eliminates noise, uneven lift, and power loss
Direct Replacement: Simple bolt-on installation
Cost-Effective: Affordable alternative to genuine OEM assemblies

Valve Rocker Arm Assembly technical diagram

Vehicle & Engine Compatibility

This rocker arm assembly is suitable for various diesel engines, particularly Isuzu platforms.

Typical Applications:

ISUZU NPR / NKR with 4JB1, 4JH1, 4HF1, 4HG1 engines
ISUZU ELF series
Other medium-duty diesel engines compatible with WDL11008

Installation Notes

Installation steps (overview):

Remove valve cover and old rocker arm assembly
Clean cylinder head pedestal surfaces
Lubricate new shaft and rocker arm bushings with assembly lube
Position new assembly onto cylinder head, aligning pushrods
Torque pedestal bolts to specification (typically 35-45 Nm) in sequence
Adjust valve lash to engine specification (e.g., 0.25-0.35mm cold)
Install new valve cover gasket and reassemble
Start engine and check for noise; re-check valve lash after warm-up

Quality Control

Material Verification: Steel/iron composition and hardness tested
Dimensional Inspection: Shaft length, diameter, rocker arm geometry verified
Hardness Testing: Rocker pad and shaft hardness checked
Oil Flow Test: Shaft oil passages verified
Visual Inspection: 100% checked for defects
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

Inquiry

For pricing, availability, or bulk purchase of the Valve Rocker Arm Assembly WDL11008, please contact our sales team for a competitive quote and expert technical support.