ISUZU Final Pinion Bearing OEM Standard 1.3kg with 1-Year Warranty for CVZ CXZ ESZ Rear Axle Differential
Price:
Negotiable
MOQ:
20 PCS
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
ISUZU Final Pinion Bearing 1-09812042-1 1098120421 for CVZ CXZ ESZ — 1.3kg OEM Standard
ISUZU Final Pinion Bearing 1-09812042-1 1098120421 Compatible with CVZ CXZ ESZ Heavy-Duty Trucks — 1.3kg Rear Axle Differential Core Component
The ISUZU Final Pinion Bearing with OEM numbers 1-09812042-1 / 1098120421 is a precision-engineered replacement designed for ISUZU CVZ, CXZ, and ESZ series heavy-duty trucks. This component is a core rotating part of the rear axle differential — the Final Pinion Bearing (BEARING; FINAL PINION) — responsible for supporting the pinion gear shaft and ensuring smooth, efficient power transmission from the driveshaft to the drive wheels.
Numbering Note: This product number is 1-09812042-1 / 1098120421. Variants include 1-09812042-0 / 1098120420. Other sources indie this bearing also fits ISUZU NQR71/75, NPR, FSR90 models. Please verify the specific number based on actual vehicle configuration.
Working Principle
The final pinion bearing is a critical support component of the rear axle differential assembly, installed between the differential housing and the pinion gear shaft. Its working principle includes:
- Rotational Support: Provides stable rotational support for the pinion gear shaft, ensuring precise axis alignment during high-speed rotation.
- Load Bearing: Withstands radial and axial compound loads generated during vehicle operation, including vehicle weight, payload, acceleration/deceleration impacts, and cornering lateral forces.
- Friction Reduction: Converts sliding friction to rolling friction through precision rolling elements, significantly reducing energy loss and heat generation.
- Gear Mesh Precision: Maintains correct pinion-to-ring gear backlash within specifiion, preventing premature gear wear or noise.
Failure Symptoms
⚠️ Inspect immediately if any of these occur:
| Symptom | Probable Cause |
|---|---|
| Persistent "humming" or "howling" noise from rear axle, varying with speed | Worn bearing; fatigue spalling on rolling elements or raceways |
| "Clunking" impact noise during acceleration or deceleration | Excessive bearing clearance causing abnormal gear backlash |
| Dirty axle oil containing metal particles | Bearing wear debris contaminating the lubricant |
| Abnormal rear axle overheating | Bearing failure causing increased friction and heat |
| Poor power delivery and increased fuel consumption | Bearing binding or improper preload increasing driveline resistance |
Verifiable Data
???? Based on Industry Standards & General Validation:
- ✅ Net Weight: 1.3 kg — verified by precision weighing
- ✅ HS Code: 848240000 — international classifiion for rolling bearings
- ✅ Parts Figure Number: 425-050 — for quick technician reference
- ✅ Packaging: 1 piece/carton
- ✅ OE Cross-Reference Verified: Replaces OEM numbers 1-09812042-1 / 1098120421; compatible with 1-09812042-0 / 1098120420, 1098120412, 1098120360 / 1098120370
- ✅ Compatible Models: ISUZU CVZ, CXZ, ESZ
- ✅ Extended Compatibility: ISUZU NQR71/75, NPR, FSR90, FSR FTR 700
- ✅ Compatible Engines: ISUZU 4HK1 5.2L, 4JJ1 3.0L
- ✅ Condition: Brand New — 100% quality inspected
- ✅ Warranty: 1 year
- ✅ Supply Capacity: Stable inventory available
- ✅ Delivery Time: 15–20 days after deposit
Product Specifiions
| Part Number: | 1-09812042-1 1098120421 |
| Product Name: | Final Pinion Bearing |
| Car Model: | CVZ CXZ |
| Engine Model: | ESZ |
| 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 |
| Installation: | Direct OEM replacement |
| Quality Standard: | OEM equivalent / ISO quality control |
Vehicle & Engine Compatibility
Primary Appliions:
| Brand | Model Series | Compatible Engine | Notes |
|---|---|---|---|
| ISUZU | CVZ | 6HK1, 6WG1 | Heavy-duty truck |
| ISUZU | CXZ | 6HK1, 6WG1, 10PE1 | Heavy-duty truck |
| ISUZU | ESZ | 6WG1 | Heavy-duty truck |
Extended Appliions:
| Brand | Model Series | Compatible Engine | Notes |
|---|---|---|---|
| ISUZU | NQR71 / NQR75 | 4HK1 | Medium-duty truck |
| ISUZU | NPR | 4HK1, 4JJ1 | Light/medium-duty truck |
| ISUZU | NRR | 4HK1 | Medium-duty truck |
| ISUZU | FSR90 | 4HK1 | Medium-duty truck |
| ISUZU | FSR FTR 700 | 4HK1, 6HK1 | Medium-duty truck |
| ISUZU | FVR | 6HK1 | Heavy-duty truck |
Extended Compatibility Note: This product is primarily designed for ISUZU CVZ/CXZ/ESZ heavy-duty trucks. Other sources indie it also fits ISUZU NQR71/75, NPR, FSR90 models. Please verify the chassis code and engine model on the vehicle nameplate before ordering.
Important Fitment Warnings
- Number Confirmation: This product number is 1-09812042-1 / 1098120421. Same series includes 1-09812042-0 / 1098120420 and cross-reference 1098120412. Verify the specific number on the original part before ordering.
- Bearing Preload: When installing the final pinion bearing, preload torque and specifiions must strictly follow ISUZU factory workshop manual. Incorrect preload will cause premature bearing failure or gear noise.
- Associated Components: When replacing the pinion bearing, it is recommended to inspect the drive pinion bearing and differential bearings.
- Lubricant Replacement: Replace rear axle gear oil (GL-5 grade) and thoroughly clean the differential housing when replacing the bearing.
- Pair Replacement Recommended: If one bearing is damaged, it is recommended to replace in pairs for consistent bearing life and gear mesh.
- Professional Installation: Differential bearings are critical driveline components requiring precision adjustment and measurement. Must be performed by a qualified repair technician.
Features & Benefits
OEM Standard Design
Manufactured to ISUZU original specifiions — ensures perfect fitment for CVZ/CXZ/ESZ heavy-duty trucks; direct OEM replacement, no modifiion required.
1.3kg Robust Construction
Excellent load capacity and impact resistance for demanding commercial truck appliions — engineered for ISUZU CVZ/CXZ/ESZ heavy-duty operating conditions.
Precision Tapered Roller Design
Effectively handles radial and axial compound loads for precise gear mesh — reduces driveline noise and vibration; extends gear life.
100% Factory Quality Inspection
Every piece undergoes strict quality inspection — 100% tested.
Broad OEM Cross-Compatibility
Replaces OEM numbers 1-09812042-1 / 1098120421; compatible with 1-09812042-0, 1098120412, 1098120360 and other numbers — simplifies sourcing for repair shops.
Broad Vehicle Compatibility
Fits CVZ, CXZ, ESZ, NQR71/75, NPR, FSR90 and other ISUZU models.
1-Year Warranty
Reliable after-sales protection — 1-year quality guarantee.
Quality Control & Verifiion
| QC Item | Inspection Method | Acceptance Criterion | Frequency |
|---|---|---|---|
| Bearing dimensional accuracy | CMM | OEM standard size ± tolerance | Batch sampling |
| Bearing radial clearance | Special clearance gauge | Standard range | Batch sampling |
| Bearing axial clearance | Special clearance gauge | Standard range | Batch sampling |
| Rolling element integrity | Visual + NDT inspection | No cracks, no spalling | 100% |
| Material hardness | Rockwell hardness tester (HRC) | Standard hardness range | Batch sampling |
| Rotation smoothness | Special rotation test bench | Smooth rotation; no binding; no noise | 100% |
| Visual inspection | Visual | No scratches, burrs, or rust | 100% |
Installation & Maintenance Recommendations
IMPORTANT SAFETY NOTICE: The final pinion bearing is a critical driveline component. Replacement requires differential disassembly, bearing preload adjustment, and gear backlash measurement. Must be performed by a qualified repair technician. Improper operation may cause severe axle damage or safety incidents.
Installation Guidelines (Reference Workshop Manual):
Preparation:
- Confirm installation position and part number (1-09812042-1)
- Prepare tools: Socket wrench, torque wrench, bearing press tool, dial indior, bearing puller
- Recommended to also prepare: Drive pinion bearing, differential bearings, rear axle gear oil (GL-5), differential housing gasket
Removing Old Bearing (Reference Steps):
- Park vehicle on level surface, engage parking brake, and securely support with jack stands.
- Drain rear axle gear oil.
- Remove the driveshaft; mark driveshaft-to-flange alignment.
- Remove the differential assembly (or rear axle cover).
- Carefully remove the old bearing using a bearing puller, note shim positions and quantities.
Installing New Bearing (Installation Sequence):
- Clean mounting surface: Thoroughly clean the differential housing bearing bore and shaft journal — ensure no oil or debris.
- Inspect new bearing: Check for defects, rust, or damage.
- Install new bearing: Press the new bearing evenly into position using a bearing press tool. DO NOT use a hammer directly on the bearing.
- Install shims: Reinstall shims in the positions and quantities recorded during disassembly.
- Adjust bearing preload: Adjust to ISUZU workshop manual torque and preload specifiions; measure axial play with a dial indior.
- Check gear mesh: Install the drive and driven pinion gears; verify backlash and contact pattern.
- Fill gear oil: Fill with GL-5 grade rear axle gear oil to correct capacity.
- Install driveshaft: Reinstall driveshaft per alignment marks; torque connecting bolts to specifiion.
Post-Installation Checks (Mandatory):
- Noise check: Start vehicle and run at low speed on a lift — check for abnormal axle noise.
- Leak check: Inspect all seals and gaskets for gear oil leakage.
- Road test: Perform road test — confirm no noise or vibration during acceleration, deceleration, and cornering.
Maintenance Schedule:
| Item | Interval | Notes |
|---|---|---|
| Rear axle oil inspection | Every 10,000 km / each service | Check oil level and quality; metal particles indie bearing wear |
| Rear axle noise check | Every 10,000 km / each service | Listen for "humming" noise during driving |
| Rear axle oil replacement | Every 40,000～50,000 km | Use GL-5 grade gear oil |
| Differential bearing inspection | Upon noise or oil abnormality | Inspect immediately if noise detected |
Packaging & Supply
| Packaging | Neutral box / Color box / Custom brand packaging |
| Quantity per package | 1 piece/carton |
| Product Net Weight | 1.3 kg |
| Brand | OEM Standard |
| Place of Origin | China |
| Customization Options | OEM custom packaging / neutral packaging / private labeling |
| Minimum Order Quantity | Small quantities accepted |
| Delivery Time | 15–20 days after deposit |
| Warranty | 1 year |
| HS Code | 848240000 |
| Target Customers | Truck parts wholesalers, heavy-duty truck repair shops, fleet purchasers, export traders |
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person
James