High-strength Cast Steel Front Axle Knuckle with Precision-machined Surfaces and Anti-rust Coating for ISUZU 700P NPR 4HK1
| Material: | High-strength Cast Steel | Surface Finish: | Precision-machined + Anti-rust Coating |
| Inspection Method: | 100% Magnetic Particle Inspection (MT) + Dimensional Inspection | Engine Compatibility: | 4HK1 5.2L, 4HE1 |
| Position: | Front Axle Right (Passenger Side) / Right Knuckle | OEM Part Number: | 8972615491 / 8-97261549-1 |
| Vehicle Fitment: | ISUZU 700P, NPR, NPR-HD, NQR, NRR | Vehicle Models: | ISUZU 700P, NPR, NPR-HD, NQR, NRR (1999–2025) |
| High Light: | High-strength cast steel Front Axle Knuckle,Precision-machined Steering Knuckle,Anti-rust coating Knuckle |
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The Front Axle Knuckle (Steering Knuckle) with OEM numbers 8972615491 / 8-97261549-1 is a verified direct-fit replacement for ISUZU 700P / NPR series medium/heavy-duty trucks equipped with the 4HK1 5.2L diesel engine. This critical structural component connects the front suspension and steering systems, supporting vehicle weight and enabling wheel steering.
Mounted at both ends of the front axle via king pins, the steering knuckle connects to the steering tie rod at the upper portion and mounts the front wheel hub through wheel bearings at the lower portion. When steering force is applied, the knuckle rotates around the king pin to turn wheels while bearing vertical, braking, and cornering loads.
- Loose Steering/Excessive Play — Increased steering wheel free play; delayed steering response
- Front Wheel Wobble/Vibration — Noticeable wheel oscillation while driving
- Uneven Tire Wear — Feathering or irregular wear on front tires
- Heavy Steering — Steering wheel becomes significantly heavier
- Brake Pull — Vehicle pulls to one side during braking
- Unable to Adjust Wheel Alignment — Cannot achieve proper toe/camber angles
- Clunking Noises — Metallic knocking sounds while driving or turning
- Installation Success Rate: 98.7% direct fitment rate
- Material: High-strength cast steel construction
- Surface Finish: Precision-machined surfaces
- 100% Dimensional Inspection: Critical dimension accuracy testing
- 100% Non-Destructive Testing: Magnetic Particle Inspection (MT)
- Anti-Rust Surface Treatment: Corrosion-resistant coating
- ISO/TS16949 Certified: Quality management system certified
| Part Number: | 8972615491 8-97261549-1 | Product Name: | Front Axle Knuckle |
|---|---|---|---|
| Car Model: | NPR | Engine Model: | 4HF1 |
| Condition: | 100% Brand New | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Brand | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| ISUZU | 700P | — | 4HK1 | — |
| ISUZU | NPR | NPR75 | 4HK1 / 4HE1 | 1999–2025 |
| ISUZU | NPR-HD | — | 4HK1 / 4HE1 | 1999–2025 |
| ISUZU | NQR | NQR90 | 4HK1 / 4HE1 | 1999–2025 |
| ISUZU | NRR | — | 4HK1 / 4HE1 | 1999–2025 |
- This is a FRONT AXLE RIGHT (passenger side) steering knuckle
- Critical structural component — failure can cause loss of steering control
- Recommended to replace both left and right sides simultaneously
- Recommended to replace king pins and king pin bushings simultaneously
- Wheel alignment is mandatory after installation
- For 100% accurate fitment, provide VIN or chassis model
IMPORTANT: The front axle knuckle is a critical structural component. Installation should be performed by qualified chassis specialists. Always perform wheel alignment and road test after installation.
- Safety Prep: Park on level ground, chock wheels, lift and support front axle
- Remove Front Wheel: Remove front wheel tire and hub assembly
- Remove Brake Components: Remove brake caliper and brake disc
- Remove Tie Rod: Disconnect outer tie rod end from the knuckle
- Remove Old Knuckle: Remove king pin retaining hardware; remove old knuckle
- Clean Mounting Surface: Thoroughly clean axle mounting surface and king pin bore
- Inspect King Pin & Bushings: Replace simultaneously if worn
- Install New Knuckle: Mount new knuckle; install king pin and torque to specification
- Install Hub: Install hub assembly; adjust bearing preload
- Install Brake Components: Reinstall brake caliper and brake disc
- Connect Tie Rod: Reconnect outer tie rod end; torque to specification
- Wheel Alignment: Mandatory — adjust toe and camber angles
- Road Test: Confirm smooth steering, no pulling, no abnormal noise
- Packaging: Neutral carton / Original packaging / Custom branded packaging
- Packaging Unit: 1 piece/box
- MOQ: 2 pieces
- Warranty: 12 months
- Certification: ISO/TS16949
- Target Customers: Truck parts wholesalers, repair chain stores, fleet purchasers, cross-border e-commerce sellers
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