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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.
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
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.
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...
