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Rear Hub Bearing Nut 8-97137094-0 / 8971370940 for Isuzu NPR 4HF1 4HK1 Truck — OEM Standard TS-16949 Certified
Isuzu NPR / NQR / 700P Rear Hub Bearing Lock Nut OEM 8-97137094-0 8971370940 Metal OD92 ID53 H10 Direct Fit
This Rear Hub Bearing Nut with OEM numbers 8-97137094-0 (also 8971370940) is a verified OE-level replacement for the Isuzu NPR series light/medium-duty trucks equipped with 4HF1, 4HK1, and 4HE1 diesel engines. This nut is a critical locking component in the rear axle wheel hub bearing assembly, responsible for precisely preloading and securing the rear hub bearing to the axle shaft, ensuring stable and safe wheel rotation.
2025 Verifiable Signal Highlights
Precision Dimensions Verified: OD 92 mm, ID 53 mm, Height 10 mm — 100% inspected with dedicated gauges
Unit Net Weight: 318 g (0.35 kg) — conforms to OEM specifications
Material Standard: Metal / Iron — meets heavy-duty axle load requirements
Intermittent "clunking" or "clicking" noise from the rear wheel during driving, especially on acceleration or braking
Excessive hub bearing play causing tire wobble and vehicle drift
Thread damage or corrosion seizure when removing the nut
Brake pedal pulsation and brake drum runout during braking
Broken or missing locking device (cotter pin or lock washer) — if the lock washer fails, the bearing nut may loosen due to forward rotational movement; in severe cases, the wheel assembly could separate from the axle housing, affecting vehicle control and braking performance
Product Specifications
Part Number:
8-97030268-1 8970302681
Product Name:
Headlamp Assembly
Car Model:
NHR98 NKR NPR
Engine Model:
NHR98 NKR NPR
Condition:
100% Brand New
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
Primary Applications:
Brand
Model
Compatible Engine
Years
Isuzu
NPR
4HF1, 4HK1, 4HE1
1998–2025
Isuzu
NPR-HD
4HF1, 4HK1, 4HE1
1998–2025
Isuzu
NQR
4HF1, 4HK1, 4HE1
1998–2025
Isuzu
NRR
4HE1 (4.8L), 4HK1 (5.2L)
1998–2025
Isuzu
700P
4HK1
—
Isuzu
NKR
4HF1, 4HK1
—
⚠️ Important:
Always verify thread direction (left/right) and thread size on your original axle before installation — variations exist across different axle batches.
We strongly recommend replacing the lock washer or cotter pin simultaneously for secure retention.
This product primarily fits 4HF1, 4HK1, and 4HE1 engines; 4HF1 is a 4.3L diesel engine.
Features & Benefits
Precision-machined dimensions (OD 92 / ID 53 / H 10 mm) Ensures perfect thread engagement with axle shaft, minimizes axial play — 100% gauge-inspected
High-strength metal / iron construction Excellent impact and fatigue resistance for heavy-duty truck rear axle loads — meets OEM material specifications
Precision-cut threads Smooth installation and reliable locking
TS-16949 certified production International standard quality management system ensures product consistency — TS-16949 certified
Spectrometer analysis, conforms to metal/iron standard
Visual inspection
100% visual check — no cracks, rust, or burrs
Unit net weight
Electronic scale — 318 g / 0.35 kg
Certification
TS-16949 quality management system certified
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Thoroughly clean axle threads and nut threads before installation, and always follow the official Isuzu workshop manual.
Installation Guidelines (brief):
Adjust rear hub bearing preload per the workshop manual, then install the axle shaft
Hand-thread the nut to confirm smooth engagement without binding
Using a torque wrench, tighten in 2–3 steps in a cross pattern to the factory-specified torque value (refer to Isuzu 4H series engine workshop manual)
Install the locking device (cotter pin or lock washer) and bend/tab it to secure — if the lock washer fails, the bearing nut may loosen due to forward rotational movement
Maintenance Schedule:
Inspect wheel bearing play and nut torque every 50,000 km
Always replace the nut with a new one if it has been removed — thread locking performance degrades after reuse
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
