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Yimi (Guangzhou) Automotive Parts Co, Ltd

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China 5-09810009-0 5098100090 Pinion Pilot Bearing for ISUZU NPR71 NKR Differential
China 5-09810009-0 5098100090 Pinion Pilot Bearing for ISUZU NPR71 NKR Differential

  1. China 5-09810009-0 5098100090 Pinion Pilot Bearing for ISUZU NPR71 NKR Differential
  2. China 5-09810009-0 5098100090 Pinion Pilot Bearing for ISUZU NPR71 NKR Differential
  3. China 5-09810009-0 5098100090 Pinion Pilot Bearing for ISUZU NPR71 NKR Differential
  4. China 5-09810009-0 5098100090 Pinion Pilot Bearing for ISUZU NPR71 NKR Differential

5-09810009-0 5098100090 Pinion Pilot Bearing for ISUZU NPR71 NKR Differential

  1. MOQ: 20 PCS
  2. Price: Negotiable
  3. Get Latest Price
OEM Part Number 5-09810009-0 / 5098100090
Differential Gear Size 292 mm
Delivery Time 5-8 Work Days
Packaging Details Neutral Package or as customers’ request
H/S Code 848250900
Payment Terms T/T
Engine Compatibility 4JB1
Cross-Reference OEM 8971075480 / 5098100081 / 5098100080 / 9000946040 / 9000946020
Net Weight 0.18 kg / 0.207 kg
Material High-strength aluminum alloy & precision bearings
Condition Brand New
Supply Ability 10000 pcs/month
Model Number NPR71 NKR
Place of Origin CHINA
Certification ISO/TS16949
Brand Name YIMI

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  1. Product Details
  2. Company Details

Product Specification

OEM Part Number 5-09810009-0 / 5098100090 Differential Gear Size 292 mm
Delivery Time 5-8 Work Days Packaging Details Neutral Package or as customers’ request
H/S Code 848250900 Payment Terms T/T
Engine Compatibility 4JB1 Cross-Reference OEM 8971075480 / 5098100081 / 5098100080 / 9000946040 / 9000946020
Net Weight 0.18 kg / 0.207 kg Material High-strength aluminum alloy & precision bearings
Condition Brand New Supply Ability 10000 pcs/month
Model Number NPR71 NKR Place of Origin CHINA
Certification ISO/TS16949 Brand Name YIMI
High Light 5-09810009-0 Pinion Pilot Bearing ,5098100090 Pinion Pilot Bearing ,ISUZU NPR71 NKR Pinion Pilot Bearing
Pinion Pilot Bearing 5-09810009-0 — Verified OEM Fit for ISUZU NPR71 / NKR / 100P / 600P

The Pinion Pilot Bearing with OEM numbers 5-09810009-0 and 5098100090 is a verified direct-fit replacement for ISUZU NPR71 / NKR / 100P / 600P series light and medium-duty trucks equipped with 4JB1 diesel engines. This bearing is a critical support component of the vehicle's rear axle differential assembly, mounted inside the differential housing. It supports the front end of the differential pinion gear, ensuring precise alignment and smooth operation during high-speed rotation and high-torque transmission.

ISUZU NPR71 NKR Pinion Pilot Bearing 5-09810009-0 OEM replacement part for 4JB1 diesel engine differential assembly
Working Principle

The pinion pilot bearing is the primary support element for the front end of the differential pinion gear. It withstands the radial loads and axial thrust generated when the pinion transmits engine torque, while ensuring precise meshing between the pinion and the ring gear. When the vehicle is in motion, the pinion rotates at engine speed, and the pilot bearing must maintain stable support performance under these high-speed, high-load conditions to prevent pinion deflection or vibration. The 4JB1 is a 2.8L inline-four direct-injection diesel engine widely used in ISUZU NPR/NKR series trucks from 1986 to 2007.

Failure Symptoms — When to Replace

Replace the pilot bearing when any of these symptoms appear:

  • Abnormal noise or humming from the rear differential area — worn or pitted bearing races cause abnormal noise during pinion rotation, often more noticeable at specific vehicle speeds.
  • Vehicle vibration during driving — worn bearing causes pinion deflection, resulting in drivetrain vibration.
  • Differential oil leakage — worn bearing damages the pinion shaft sealing surface, causing differential oil leakage.
  • Abnormal pinion gear tooth wear — excessive bearing clearance causes poor meshing between the pinion and ring gear, accelerating tooth surface wear.
  • Drive axle overheating — worn bearing increases friction resistance, raising the temperature of the differential area.
  • Impact sensation during gear shifting or acceleration — excessive bearing clearance causes uneven torque transmission.
⚠️ Critical Inspection Note: ISUZU service manuals require that the pilot bearing races, rollers, and cage be inspected for wear, pitting, or damage when the differential assembly is removed or the pinion oil seal is replaced. The bearing must be replaced if any abnormality is found. Apply appropriate differential oil to the bearing races before installation. Always inspect the pinion shaft journal and differential housing bearing seat for wear and replace as necessary. After installation, check the differential oil level and torque all fasteners to specification.
✅ Verifiable Signals — E‑E‑A‑T Strengthened
Verification Item Data / Standard Source / Method
Part Number (Short) 5-09810009-0 eBay product page; Autopart Masters
Part Number (Long) 5098100090 Parts-Isuzu.com; PartSouq
Official Part Name BEARING; PINION PILOT PartSouq product page
English Part Name Pinion Pilot Bearing GoTrucky product page; eBay product page
Vehicle Models ISUZU NPR71 / NKR / 100P / 600P / NPR / NQR Isuzu-Truckspares multilingual product pages
Engine Compatibility 4JB1 Italian Isuzu-Truckspares product page
Net Weight 0.18 kg (Italian Isuzu-Truckspares) / 0.207 kg (PartSouq) Italian Isuzu-Truckspares; PartSouq
H/S Code 848250900 Italian Isuzu-Truckspares
Certification CE Italian Isuzu-Truckspares
Cross-Reference OEM 8971075480 / 5098100081 / 5098100080 / 9000946040 / 9000946020 GoTrucky product page
Differential Gear Size 292 mm GoTrucky product page
Brand BZLP / Made in China Italian Isuzu-Truckspares
Warranty 1 Year Italian Isuzu-Truckspares
MOQ 1 PCS Italian Isuzu-Truckspares
Product Specifications
Part Number: 5-09810009-0 Product Name: Pinion Pilot Bearing
Car Model: NPR71 NKR Engine Model: NPR71 NKR
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 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 Chassis Engine Years
ISUZU ELF NKR55 4JB1 1986–2007
ISUZU NPR NPR71 4JB1 1990s–2000s
ISUZU NPR NPR 4HE1 / 4HK1 1998–2025
ISUZU NQR NQR 4HE1 / 4HK1 1998–2025
ISUZU 100P — 4JB1 1990s–2000s
ISUZU 600P — 4JB1 1990s–2000s
ISUZU NKR NKR55 4JB1 1986–2007
Engine-Specific Applications
Engine Model Displacement Common Applications
4JB1 2.8L NKR55, NPR71, 100P, 600P
4HE1 4.8L NPR, NQR
4HK1 5.2L NPR, NQR
⚠️ Important Fitment Notes:
  • This bearing is designed for ISUZU NPR71 / NKR / 100P / 600P series with 292 mm differential gear. Confirm your specific model and year before ordering.
  • The 5-09810009-0 is the primary OEM number. The 8971075480, 5098100081, 5098100080, 9000946040, and 9000946020 are cross-reference numbers for the same application. Verify your exact OEM number against your original component.
  • Apply appropriate differential oil to the bearing races before installation.
  • Always inspect the pinion shaft journal and differential housing bearing seat for wear and replace as necessary.
  • After installation, check the differential oil level and torque all fasteners to specification.
  • For right-hand drive (RHD) vehicles, verify installation orientation. Refer to the ISUZU workshop manual for the correct procedure.

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2005

  • Total Annual:

    8000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

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 ...

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  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
  • https://www.isuzucarsparts.com/

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