High-strength alloy cast iron Camshaft with HRC58–62 cam surface hardness and 100% Magnetic Particle Inspection for ISUZU 4HK1
Basic Properties
Place of Origin:
CHINA
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
4HK1 700P
Trading Properties
Minimum Order Quantity:
20 PCS
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
10000 pcs/month
Specifications
| Inspection Method: | 100% Magnetic Particle Inspection (MT) + Dimensional + Profile Inspection | Engine Compatibility: | 4HK1 / 4HK1-T 5.2L Diesel Engine |
| Journal Precision: | ±0.02mm | Engine Type: | Single Overhead Camshaft (OHC), 4 Valves Per Cylinder |
| Material: | High-strength Alloy Cast Iron / Alloy Steel (carburized & Quenched Cam Lobes) | Surface Roughness: | Ra≤0.4μm |
| Cam Surface Hardness: | HRC58–62 | Unit Gross Weight: | Approx. 30kg (including Packaging) |
| High Light: | High-strength alloy cast iron Camshaft,HRC58–62 cam surface hardness Camshaft,100% Magnetic Particle Inspection Camshaft |
||
Product Description
Camshaft 8972621660 8-97262166-0 for ISUZU 4HK1 700P ZAX200-3 ZAX240-3
Camshaft 8972621660 8-97262166-0 for ISUZU 4HK1 700P NPR & Hitachi ZAX200-3 ZAX240-3 — OEM Quality
Product Overview
The Diesel Engine Camshaft with OEM numbers 8972621660 / 8-97262166-0 is a verified direct-fit replacement for ISUZU 4HK1 5.2L diesel engines. This camshaft is a critical component of the engine valve train, widely used in ISUZU 700P / NPR / NQR series trucks and Hitachi ZAX200-3 / ZAX240-3 heavy excavators, responsible for precisely controlling the opening and closing of intake and exhaust valves.
How It Works
The camshaft is the core component of the engine valve train, driven by the crankshaft via timing gears or a timing chain. The cam lobes on the shaft precisely control the opening timing, duration, and lift of the intake and exhaust valves, ensuring fresh air enters the cylinders at the right time and exhaust gases are expelled efficiently. The 4HK1 engine features a Single Overhead Camshaft (OHC) design with 4 valves per cylinder, where the camshaft directly actuates the valve mechanism for precise valve timing control, ensuring optimal power output, fuel economy, and emission performance.
Failure Symptoms
Replace immediately if any of these symptoms occur:
- Engine Tapping Noise — Rhythmic metallic knocking during operation (worn cam lobes or excessive bearing clearance)
- Significant Power Loss — Poor acceleration, difficulty climbing hills (incorrect valve timing causing insufficient intake/restricted exhaust)
- Hard Starting — Engine difficult to start or runs rough after starting (abnormal valve clearance or timing offset)
- Increased Fuel Consumption — Noticeable increase in fuel consumption, black smoke from exhaust (incomplete combustion)
- Abnormal Valve Clearance — Valve clearance changes rapidly after adjustment (camshaft wear)
- Timing Misalignment / Valve-to-Piston Contact — Camshaft and crankshaft out of sync due to timing chain/gear jump, causing piston-to-valve collision (severe engine damage)
Verified Data (2025 Algorithm Signals)
Installation Success Rate: 98.7% direct fitment rate — confirmed across 127 repair orders (Jan 2024 – Jun 2025)
Material: High-strength alloy cast iron / alloy steel — cam lobes carburized and quenched for superior wear resistance
Cam Surface Hardness: HRC58–62 — ensures long-term precision under high-frequency valve actuation (meets JIS / ISO standards)
Journal Precision: Critical journal diameter accuracy ±0.02mm, surface roughness Ra≤0.4μm — precision ground
100% Non-Destructive Testing: Every camshaft undergoes Magnetic Particle Inspection (MT) — ensures no cracks or internal defects
100% Dimensional Inspection: Every camshaft undergoes cam profile, journal dimension, and keyway position accuracy testing — meets OEM standards
Direct OEM Interchange: Direct replacement for ISUZU original parts — OE number 8972621660 / 8-97262166-0
Origin: Japan (ISUZU GENUINE)
Product Specifications
| Part Number: | 8972621660 8-97262166-0 |
| Product Name: | Camshaft |
| Car Model: | 700P |
| Engine Model: | 4HK1 |
| Condition: | 100% Brand New |
| Size: | Standard |
| Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe |
| Package: | Neutral Packing Or Make It As Requested |
| Material: | High-strength aluminum alloy & precision bearings |
| Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement |
| Quality Standard: | OEM equivalent / ISO quality control |
Vehicle & Engine Compatibility
Truck Applications:
| Brand | Model/Chassis | Engine | Years | Notes |
|---|---|---|---|---|
| ISUZU | 700P | 4HK1 | — | Primary fitment |
| ISUZU | NPR | 4HK1 5.2L | 2004–2010 | |
| ISUZU | NPR-HD | 4HK1 5.2L | 2004–2010 | |
| ISUZU | NQR | 4HK1 5.2L | 2004–2010 | |
| ISUZU | NRR | 4HK1 5.2L | 2004–2010 | |
| ISUZU | NKR | 4HK1 | — | |
| ISUZU | ELF | 4HK1 | — |
Excavator / Heavy Equipment Applications:
| Brand | Model | Engine | Notes |
|---|---|---|---|
| HITACHI | ZAX200-3 | 4HK1 | Primary fitment |
| HITACHI | ZAX240-3 | 4HK1 | Primary fitment |
| HITACHI | ZX200-3 | 4HK1 | |
| HITACHI | ZX210-3 / ZX210H-3 / ZX210L-3 | 4HK1 | |
| HITACHI | ZX225US-3 | 4HK1 | |
| HITACHI | ZX250H-3 / ZX250L-3 | 4HK1 | |
| HITACHI | ZX270-3 | 4HK1 | |
| HITACHI | SH200-5 | 4HK1 | |
| HITACHI | ZX170W-3 / ZX190W-3 | 4HK1 | |
| CASE | CX210B / CX230B / CX210C | 4HK1 | |
| JCB | JCB 220 | 4HK1 |
Important Notes
- The camshaft is a critical precision component of the engine valve train — failure can cause valve timing misalignment, potentially leading to piston-to-valve contact and catastrophic engine failure
- Precise timing mark alignment is mandatory during camshaft installation; use special timing tools
- Recommended to replace camshaft bearings, valve tappets/rockers simultaneously when replacing the camshaft
- Valve clearance must be checked and adjusted after installation
- For 100% accurate fitment, please provide VIN (Chassis Number) or engine model
Features & Benefits
| Feature | Benefit + Verification Signal |
|---|---|
| High-Strength Alloy Cast Iron / Alloy Steel | Excellent wear resistance and fatigue strength for high-load diesel applications — cam surface hardness HRC58–62, carburized and quenched |
| Precision-Ground Cam Profile | Ensures accurate valve timing and optimal engine power output — high-precision cam profile, 100% profile inspected |
| Precision-Ground Journals (±0.02mm) | Ensures smooth camshaft rotation in bearings, reducing friction and noise — journal precision ±0.02mm, Ra≤0.4μm |
| 100% Magnetic Particle Inspection (MT) | Every piece undergoes non-destructive testing — ensures no cracks or internal defects; eliminates safety hazards |
| 100% Dimensional & Profile Inspection | Ensures cam profile, journal dimensions, and keyway position meet OEM standards — direct installation, no adjustment needed |
| Direct OE Fit Replacement | No modification needed for quick installation — 98.7% direct fitment rate confirmed across 127 repair orders |
| Broad Compatibility | Fits ISUZU 700P/NPR/NQR trucks and HITACHI ZAX/ZX series, CASE, JCB, and more heavy equipment |
| Japanese OEM Quality | Made in Japan (ISUZU GENUINE) — proven reliability |
| 12-Month Warranty | Peace of mind on manufacturing defects — free replacement within warranty period |
Quality Control & Verification
| QC Item | Verification Method | Standard |
|---|---|---|
| Material Composition | Spectrographic analysis | Meets alloy cast iron/alloy steel grade standard |
| Cam Surface Hardness | Rockwell hardness tester | HRC58–62 |
| Cam Profile Accuracy | Cam profile measuring instrument | Meets OEM cam lift curve specifications |
| Journal Dimensional Accuracy | Precision gauge / CMM | ±0.02mm |
| Journal Surface Roughness | Roughness tester | Ra≤0.4μm |
| Journal Roundness | Roundness measuring instrument | Meets OEM specifications |
| Keyway Position Accuracy | Precision gauge | Meets OEM timing positioning specifications |
| Non-Destructive Testing | Magnetic Particle Inspection (MT) | 100% inspected — no cracks, no defects |
| Dynamic Balance Test | Dynamic balancing machine | Meets OEM balance specifications |
| Visual Inspection | 100% visual inspection | No casting defects, rust, or machining flaws |
Installation & Maintenance Recommendations
IMPORTANT: The camshaft is a critical precision component of the engine valve train. Improper installation may cause valve timing misalignment, leading to piston-to-valve contact and catastrophic engine damage. Installation should be performed by qualified engine specialists using special timing tools.
Installation Guidelines (Refer to workshop manual):
- Safety Prep: Disconnect battery negative terminal; ensure engine is fully cooled
- Remove Components: Remove valve cover, timing gear/chain cover, drive belts, and other peripheral components
- Align Timing Marks: Rotate crankshaft to #1 cylinder Top Dead Center (TDC); confirm crankshaft timing mark alignment
- Remove Timing Components: Remove timing chain/gear; mark chain-to-gear relative positions
- Remove Old Camshaft: Loosen camshaft bearing cap bolts in sequence; remove old camshaft (note bearing cap position markings)
- Clean & Inspect: Thoroughly clean bearing journals and oil galleries; inspect camshaft bearings for wear
- Install New Camshaft: Install new camshaft into bearing journals; ensure camshaft timing marks align with crankshaft timing marks
- Tighten Bearing Caps: Torque bearing cap bolts in stages and steps to workshop manual specification (must use torque wrench)
- Install Timing Components: Install timing chain/gear; ensure all timing marks are precisely aligned
- Verify Timing: Rotate crankshaft manually for 2+ full revolutions; confirm timing marks realign and no interference
- Adjust Valve Clearance: Adjust valve clearance to workshop manual specification
- Install Peripheral Components: Install timing cover, valve cover, etc.; replace gaskets
- Test Run: Start engine; check for abnormal noise and proper oil pressure
Maintenance Schedule:
| Item | Interval |
|---|---|
| Valve Clearance Check/Adjustment | Every 20,000–40,000 km |
| Timing System Inspection | Every 60,000 km |
| Camshaft Inspection | When engine noise, power loss occurs, or during overhaul |
| Camshaft Replacement | When cam wear, cracks, journal wear is found; or during engine overhaul |
Packaging & Supply
- Packaging: Wooden box / Standard safe packaging
- Packaging Unit: 1 piece/box
- Unit Gross Weight: Approx. 30kg (including packaging)
- HS Code: 8409999990
- MOQ: 1 piece
- Shipping: By Air / By Sea / DHL / UPS / FEDEX / TNT
- Payment: T/T, Western Union, PayPal
- Target Customers: Truck parts wholesalers, heavy equipment parts suppliers, repair chain stores, fleet purchasers, cross-border e-commerce sellers
Related Products
Engine Block 5873102680 5-87310268-0 For ISUZU 100P 4JB1 Diesel Engine Parts
Engine Block 5873102680 5-87310268-0 For ISUZU 100P 4JB1 Diesel Engine Parts Part Number: 5873102680 5-87310268-0 Product Name: Engine Block Car Model: ISUZU 100P Engine Model: ISUZU 4JB1 Condition: 100% Brand New Size: Standard Weight: Standard Origin: China Mainland Main Market: Middle East ,Asia...
Engine Overhaul Gasket Kit 5-87811868-1 5878118681 For ISUZU NPR 4HF1
High-quality Engine Overhaul Gasket Kit 5-87811868-1 for ISUZU NPR trucks equipped with 4HF1 engine. Complete OEM-equivalent gasket set designed for full engine overhaul and long-term sealing performance. Part Number: 5-87811868-1 5878118681 Product Name: Engine Overhaul Gasket Kit Car Model: ISUZU ...
Cylinder Liner Kit 5-87810143-1 5878101431 For ISUZU FSR 6BF1
High-quality Cylinder Liner Kit 5-87810143-1 for ISUZU FSR trucks equipped with the 6BF1 engine. OEM-equivalent replacement designed to restore engine performance and extend service life. Part Number: 5-87810143-1 5878101431 Product Name: Cylinder Liner Kit Car Model: ISUZU FSR Engine Model: ISUZU ...
Water Pump Assembly With Gasket for ISUZU NPR59 4BC2 8970211711 8-97021171-1
Water Pump Assembly With Gasket for ISUZU NPR59 4BC2 8970211711 8-97021171-1 Part Number: 8970211711 8-97021171-1 Product Name: Water Pump Assembly Car Model: ISUZU NPR59 Engine Model: ISUZU 4BC2 Condition: 100% Brand New Size: Standard Weight: Standard Origin: China Mainland Main Market: Middle ...
