ISUZU Rear Hub Bearing Nut 8-97137094-0 8971370940 for NPR 4HF1 4HK1 700P — OEM Standard OD 92mm Metal Lock Nut Verified Fit
Key Attributes
Product Summary
OEM-standard ISUZU rear hub bearing nut (8-97137094-0) for NPR 700P, NQR, NKR with 4HF1/4HK1 engines. OD 92mm, ID 53mm, H 10mm, metal construction for durability. TS-16949 certified, 1-year warranty, 5-pc MOQ, neutral or custom packaging. Verified direct fit.
Product Details
ISUZU rear hub bearing nut
,OEM 8-97137094-0 lock nut
,NPR 4HF1 4HK1 92mm nut
The Rear Hub Bearing Nut with OEM numbers 8-97137094-0 / 8971370940 is a verified direct-fit replacement for ISUZU NPR 700P, NQR, and NKR trucks equipped with 4HF1, 4HK1, and 4HE1 diesel engines. This nut (NUT; BRG, RR HUB) is a critical fastener of the rear hub assembly, responsible for locking the hub bearing and adjusting bearing preload. It ensures the hub operates stably under vehicle load and road impacts while preventing bearing looseness, hub displacement, and grease leakage.
The rear hub bearing nut is continuously subjected to alternating loads and vibration. When the nut loosens, threads wear, or locking fails, it leads to increased hub bearing clearance, rear wheel noise, brake judder, and even severe safety risks such as hub detachment. Timely replacement restores reliable fastening and proper bearing operation of the rear hub assembly.
- Real Specification Data: Outer diameter 92 mm, inner diameter 53 mm, height 10 mm. Net weight approximately 0.35 kg (318 g). Material: Metal / Iron. HS Code: 731816900. Fig.No.-Key No: 420-020. Certification: TS-16949. Warranty: 1 Year. MOQ: 5 pcs. Delivery time: 7–30 days.
- Installation Torque Reference: ISUZU N-Series service specifications state the rear wheel bearing inner adjust nut is tightened to 68 N·m (50 lb·ft) for initial seating, and the outer adjust nut to 169 N·m (125 lb·ft). Always refer to the specific model workshop manual before installation.
- Fitment Confirmed: Standard mounting dimensions, direct replacement design. Fits ISUZU NPR 700P / NQR75 / NQR71 / NQR90 / NPR75 / NKR / ELF models, covering 4HF1 / 4HK1 / 4HE1 / 4HG1 / 4HJ1 diesel engines.
- OEM Cross-Reference Verified: Replaces ISUZU OEM numbers 8-97137-094-0 / 897137-0940 / 8971370940. IZUMI alternative number 3104211-P301 / 3104211P301.
| Part Number | 8-97137094-0 / 8971370940 | Product Name | Rear Hub Bearing Nut |
|---|---|---|---|
| Car Model | NPR | Engine Model | 4HF1 / 4HK1 / 700P |
| Condition | 100% Brand New | Size | Standard |
| Weight | Standard | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | Package | Neutral Packing or Made 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 |
| Brand | Model | Series | Engine | Note |
|---|---|---|---|---|
| ISUZU | NPR 700P | NPR Series | 4HF1 / 4HK1 / 4HE1 | Rear hub bearing nut |
| ISUZU | NQR75 / NQR71 | NQR Series | 4HK1 / 4HG1 | Rear hub bearing nut |
| ISUZU | NQR90 | NQR Series | 4HK1 | Rear hub bearing nut |
| ISUZU | NPR75 | NPR Series | 4HK1 | Rear hub bearing nut |
| ISUZU | NKR | NKR Series | 4HF1 / 4HK1 | Series reference |
| ISUZU | ELF | ELF Series | 4HF1 / 4HK1 | Series reference |
Data Source: Vehicle compatibility per isuzu-ts-auto.ru, spanish.isuzu-truckspares.com, and bossgoo.com product pages.
Dimension Confirmation: This product is OD 92 mm × ID 53 mm × H 10 mm. ISUZU rear hubs have different nut size versions. Confirm original nut outer diameter, inner diameter, and height before ordering.
Thread Specification Confirmation: This nut fits ISUZU N-Series rear hubs. Verify original axle thread specification before installation.
Installation Torque: The rear hub bearing nut involves bearing preload adjustment. A torque wrench must be used to tighten to the workshop manual specification. Do not tighten by feel. Reference values: inner adjust nut 68 N·m, outer adjust nut 169 N·m.
Pre-Installation Verification: Please provide VIN or original nut number for precise fitment confirmation.
| Feature | Benefit + Verification Signal |
|---|---|
| OEM Standard Dimensions (OD 92 × ID 53 × H 10 mm) | Precisely matches original rear hub axle, ensuring accurate bearing preload adjustment and reliable locking — per isuzu-truckspares.com dimension specification. |
| Metal / Iron Construction | High-strength metal material, withstanding hub bearing alternating loads and vibration, wear-resistant and durable — per isuzu-truckspares.com material specification (Metal/Iron). |
| TS-16949 QMS Certified | Manufacturer quality management system meets automotive industry standards, ensuring dimensional and performance consistency — per isuzu-truckspares.com certification information. |
| 1-Year Warranty | Provides reliable after-sales protection, reducing procurement risk — per isuzu-truckspares.com warranty terms. |
| 5-Piece MOQ | Supports small batch procurement and trial orders, meeting flexible purchasing needs of repair shops and traders — per isuzu-truckspares.com MOQ policy. |
| Multi-Model Coverage | Fits NPR 700P, NQR, NKR, ELF series and 4HF1 / 4HK1 / 4HE1 engines, offering strong versatility. |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy Inspection | Caliper / CMM measurement — ensures OD 92 mm / ID 53 mm / H 10 mm meet OEM standards. |
| Thread Precision Inspection | Thread go/no-go gauge — verifies thread specification and precision meet standards. |
| Hardness Test | Hardness tester — verifies nut body hardness meets locking and load-bearing requirements. |
| Material Composition Test | Spectrometer analysis — verifies metal/iron material meets standards. |
| Appearance & Packaging Inspection | 100% visual inspection — no cracks, burrs, or rust; packaging meets transport requirements. |
Certification: TS-16949 automotive quality management system certification. Products undergo 100% testing before shipment.
The rear hub bearing nut involves driving safety and hub bearing preload. A professional technician must use a torque wrench to tighten to the workshop manual specification. Thoroughly clean axle threads before installation and inspect for damage, burrs, or rust. Never use an impact wrench for direct tightening, which may cause torque loss of control, leading to bearing damage or nut looseness.
- Lift vehicle: Safely lift the vehicle and remove rear tires.
- Clean axle: Thoroughly clean rear hub axle threads, removing old thread locker, oil, and rust.
- Install nut: Thread new nut onto axle, confirming smooth engagement without binding.
- Adjust bearing preload: Tighten inner adjust nut to workshop manual specification (reference: 68 N·m / 50 lb·ft).
- Tighten outer adjust nut: Tighten outer adjust nut to specification (reference: 169 N·m / 125 lb·ft).
- Locking confirmation: Confirm nut locking mechanism (lock plate, circlip, etc.) is properly installed.
- Check hub condition: Rotate hub, confirming smooth bearing operation without looseness or abnormal noise.
- Road test: After installing tires, perform a short road test, checking rear wheels for noise, looseness, or brake abnormality.
- Every 20,000 km or 6 months: Check rear hub nut fastening status and locking mechanism integrity.
- Every 50,000 km: Check hub bearing clearance and grease condition; adjust preload or replace nut if necessary.
- When rear wheel noise, brake judder, or hub looseness is detected: Stop immediately and inspect nut and bearing condition to eliminate safety hazards.
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