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Valve Tappet 8-94438305-0 For Isuzu NKR55 4JB1 Engine
Product Overview
Premium-quality valve tappet designed as a direct replacement for Isuzu NKR55 light-duty trucks equipped with the 4JB1 diesel engine. This component ensures precise valve timing and reliable valvetrain operation.
Function: Transfers camshaft lobe motion to the pushrod or valve stem, ensuring precise valve timing while reducing wear and maintaining quiet valvetrain operation.
Key Features
OE Quality: Manufactured to Isuzu dimensional and material specifiions
Hardened Contact Face: Resists wear from camshaft lobe contact
Precision Ground: Smooth surface ensures consistent operation and reduced friction
Oil Passage: Proper lubriion to reduce wear and extend service life
Direct Replacement: Matches OE dimensions for simple installation
Cost-Effective: Affordable alternative to genuine OEM tappets
Compatibility
Specifically designed for Isuzu NKR55 trucks with 4JB1 engine. May also fit other Isuzu models with 4JB1 engine (verify compatibility).
Engine Specifiion - ISUZU 4JB1
4-Cylinder, Inline Diesel, OHV
Displacement: 2.8L (2771cc)
Installation Guide
Remove valve cover and rocker arm assembly
Remove pushrods (if applicable) and old tappets from engine block
Clean the tappet bores in the cylinder block
Lubrie new tappet with engine assembly lube
Install new tappet into bore, ensuring free movement
Reinstall pushrods and rocker arm assembly
Adjust valve lash to OE specifiion (0.25-0.35mm cold for 4JB1)
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 verifiion of steel/iron alloy composition and hardness
Dimensional inspection of outer diameter, height, and contact face geometry
Hardness testing of contact face (HRC 55-60)
Surface finish check (Ra ≤ 0.2 μm)
100% visual inspection for defects, burrs, or surface flaws
Safe packaging with protective oil paper and sealed plastic bags
Packaging & 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 & Support
For pricing, availability, or bulk purchase of the Valve Tappet 8-94438305-0 for Isuzu NKR55 4JB1 Engine, please contact our sales team for competitive quotes 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 ... 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 ...