Rocker Arm Shaft with HRC 50-55 Hardness and Anti-corrosion Coating for Isuzu NKR55 4JB1 Engine - Direct OEM Replacement
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Rocker Arm Shaft 8-97036197-0 For Isuzu NKR55 4JB1 Engine 8970361970 Truck Parts
Premium-quality direct replacement rocker arm shaft designed for Isuzu NKR55 light-duty trucks with 4JB1 diesel engine. Supports and aligns rocker arms while ensuring precise valve timing and quiet valvetrain operation.
| Part Numbers | 8-97036197-0, 8970361970, 8-94152346-0, 8941523460 |
|---|---|
| Product Name | Rocker Arm Shaft / Rocker Shaft |
| Vehicle Model | ISUZU NKR55 |
| Engine Model | ISUZU 4JB1 (2.8L Diesel) |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
| Warranty | 6 Months |
Key Features & Advantages
- OE Quality: Manufactured to Isuzu dimensional and material specifiions
- Precision Ground Shaft: Smooth, hardened surface reduces wear on rocker arm bushings
- Induction-Hardened: HRC 50-55 surface hardness for excellent wear resistance
- Integrated Oil Passages: Ensures proper lubriion to all rocker arm pivot points
- Corrosion Protected: Coated to resist rust and environmental damage
- Direct Replacement: Perfect fit with matching length, diameter, and mounting hole spacing
- Cost-Effective: Affordable alternative to genuine Isuzu shafts
Vehicle & Engine Compatibility
Specifically designed for Isuzu NKR55 trucks with 4JB1 engine. May also fit other Isuzu models with 4JB1 engine (e.g., NPR, TFR) - verifiion recommended.
Engine Specifiion - ISUZU 4JB1
4-Cylinder, Inline Diesel, OHV • Displacement: 2.8L (2771cc)
Installation Overview
- Remove valve cover and rocker arm assembly
- Remove old rocker arm shaft from pedestals
- Clean cylinder head pedestal bores and new shaft
- Lubrie new shaft with engine assembly lube
- Slide new shaft through pedestals and rocker arms in correct orientation
- Install retaining bolts and torque to specifiion
- 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 Standards
- Material Verifiion: Steel alloy composition and hardness tested
- Dimensional Inspection: Length, diameter, oil hole positions, and straightness verified
- Hardness Testing: Surface hardness (HRC 50-55) confirmed
- Oil Flow Test: Sample shaft tested for unrestricted oil passage
- Visual Inspection: 100% checked for scratches, burrs, or heat treatment defects
- Packaged Safely: Wrapped in oiled paper, sealed in plastic bag, boxed with foam
Packaging & Delivery
Neutral export packing or customized packaging available. Carton or wooden case for safe transportation. Fast delivery for stock items via Express Air or Sea.
Inquiries & Orders
For pricing, availability, or bulk purchase of the Rocker Arm Shaft 8-97036197-0, please contact our sales team for competitive quotes and expert technical support.
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Get in Touch
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Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person
James