Rocker Arm 8-98029537-2 For Isuzu 4JJ1 4JK1 D-MAX Engine with Corrosion-resistant Coating and Forged Steel Construction - OEM Standard Replacement
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Rocker Arm 8-98029537-2 For Isuzu 4JJ1 4JK1 D-MAX Engine 8980295372 Oem Isuzu Parts
Product Overview
The Rocker Arm (OEM Numbers: 8-98029537-2 / 8980295372) is a premium-quality, direct replacement valvetrain component designed for Isuzu 4JJ1 and 4JK1 diesel engines, commonly used in Isuzu D-MAX pickups, as well as NKR, NPR trucks.
| Part Number: | 8-98029537-2, 8980295372 |
| Product Name: | Rocker Arm / Valve Rocker Arm |
| Car Model: | Isuzu D-MAX, NKR, NPR (with 4JJ1/4JK1) |
| Engine Model: | ISUZU 4JJ1 (3.0L), 4JK1 (2.5L) Diesel |
| Condition: | 100% Brand New |
| Origin: | China Mainland |
| Warranty: | 6 Months |
Function
Rocker arm transfers motion from the camshaft or pushrod to the valve stem, opening and closing the engine valves at precise timing. Ensures efficient combustion and quiet valvetrain operation for Isuzu 4JJ1/4JK1 diesel engines.
Features & Advantages
- OE Quality: Manufactured to Isuzu 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
- Lightweight yet Strong: Forged construction minimizes reciprocating mass
- 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 OEM rocker arms
Vehicle & Engine Compatibility
This rocker arm is designed for Isuzu 4JJ1 and 4JK1 diesel engines.
Isuzu Vehicle Models:
- ISUZU D-MAX (pickup, 4JJ1/4JK1)
- ISUZU NKR / NPR (light/medium trucks with 4JJ1)
- ISUZU MU-X (SUV with 4JJ1)
Engine Specifications:
| Engine | Displacement | Type |
|---|---|---|
| 4JJ1 | 3.0L (2999cc) | Turbo Diesel, Common Rail |
| 4JK1 | 2.5L (2499cc) | Turbo Diesel, Common Rail |
Installation Notes
Installation steps (overview for OHV engine):
- Remove valve cover and any related components
- Remove the rocker shaft assembly or individual rocker arm (depending on design)
- 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 (intake/exhaust)
- Torque the rocker arm shaft bolts or adjustment nut to specification
- Adjust valve lash to OE specification (typically 0.25-0.35mm cold for 4JJ1/4JK1)
- 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: Forged steel alloy composition and hardness tested
- Dimensional Inspection: Pad radius, pivot bore diameter, and overall length verified
- Hardness Testing: Pad hardness (HRC 50-55) and core hardness checked
- Visual Inspection: 100% checked for forging 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
Inquiry
For pricing, availability, or bulk purchase of the Rocker Arm 8-98029537-2 For Isuzu 4JJ1 4JK1 D-MAX Engine 8980295372 Oem Isuzu Parts, please contact our sales team for a competitive quote and expert technical support.
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Get in Touch
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Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
4F, 7th, No. 2, South Jinguu Road, Huadong Town, Huadu District, Guangzhou City
Contact Person
James