Yimi (Guangzhou) Automotive Parts Co, Ltd
| Outer Diameter | 74 mm |
| Delivery Time | 5-8 Work Days |
| Material | NBR (Nitrile Butadiene Rubber) + Metal Case |
| Packaging Details | Neutral Package or as customers’ request |
| Payment Terms | T/T |
| OEM Part Number | 8-94318520-2 / 8943185202 |
| Position | Front Differential Pinion |
| Supply Ability | 10000 pcs/month |
| Engine Compatibility | 4ZE1 / 4JH1 / 4JB1 / 4JA1 |
| Thickness | 9 / 15.5 mm |
| Inner Diameter | 40 mm |
| Seal Type | TB Type, Dual-Lip |
| Model Number | NPR NKR77 |
| Certification | ISO/TS16949 |
| Brand Name | YIMI |
| Place of Origin | CHINA |
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Product Specification
| Outer Diameter | 74 mm | Delivery Time | 5-8 Work Days |
| Material | NBR (Nitrile Butadiene Rubber) + Metal Case | Packaging Details | Neutral Package or as customers’ request |
| Payment Terms | T/T | OEM Part Number | 8-94318520-2 / 8943185202 |
| Position | Front Differential Pinion | Supply Ability | 10000 pcs/month |
| Engine Compatibility | 4ZE1 / 4JH1 / 4JB1 / 4JA1 | Thickness | 9 / 15.5 mm |
| Inner Diameter | 40 mm | Seal Type | TB Type, Dual-Lip |
| Model Number | NPR NKR77 | Certification | ISO/TS16949 |
| Brand Name | YIMI | Place of Origin | CHINA |
| High Light | 40×74×9/15.5 mm Final Pinion Oil Seal ，NBR Metal Case Differential Pinion Seal ，Dual-Lip TB Type Pinion Shaft Seal | ||
Final Pinion Rubber Oil Seal 8-94318520-2 8943185202 for ISUZU UCS UBS D-MAX TFS Trooper — Verified OEM Fit 40×74×9/15.5 mm NBR Differential Pinion Seal
This oil seal is a critical differential sealing component installed at the front differential pinion, responsible for retaining gear oil within the differential housing and preventing dust, water, and debris from entering the pinion bearing assembly.
The final pinion oil seal creates a dynamic seal between the rotating pinion shaft and the stationary differential housing. The dual-lip TB-type design features a primary sealing lip that maintains contact with the pinion flange surface under spring tension, and a secondary dust lip that blocks water, mud, and debris. The NBR (Nitrile Butadiene Rubber) construction provides excellent resistance to gear oil, high temperatures, and compression set.
| Verification Item | Data / Standard | Source / Method |
|---|---|---|
| Part Number (Short) | 8-94318520-2 | ISUZU OEM Parts Database |
| Part Number (Long) | 8943185202 | ISUZU OEM Parts Database |
| Part Name | SEAL; OIL, FINAL PINION | ISUZU EPC |
| Inner Diameter | 40 mm | Euro4x4parts POS3244 specification |
| Outer Diameter | 74 mm | Euro4x4parts POS3244 specification |
| Thickness | 9 / 15.5 mm | Euro4x4parts POS3244 specification |
| Material | NBR (Nitrile Butadiene Rubber) + Metal Case | Product specification |
| Seal Type | TB Type, Dual-Lip | Product specification |
| Installation Success Rate | ≥ 99% | Based on repair order tracking |
| Certification | ISO/TS 16949 | Third-party system audit |
| Brand | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| ISUZU | D-MAX I | TFS77 / TFS85 / TFS54 / TFS86 | 3.0 TD / 2.5 TD | 2003-2012 |
| ISUZU | D-MAX II | TFR / TFS | — | 2012-2020 |
| ISUZU | Trooper / Bighorn | UBS55 / UBS69 / UBS73 | 2.8 TD / 3.1 TD / 3.0 DTi | 1986-1998 |
| ISUZU | UCS17 | UCS17 | 4ZE1 | — |
| ISUZU | Amigo / Rodeo Sport | — | 4ZE1 | 1998- |
| ISUZU | Pickup | TF / TFR | 4JB1 / 4JA1 | 1988-2002 |
| Feature | Benefit + Verification Signal |
|---|---|
| NBR Rubber + Metal Case Construction | Excellent resistance to gear oil, high temperatures, and compression set — verified by material certificate and ASTM D471 immersion testing |
| Dual-Lip TB Type Design | Primary sealing lip retains gear oil while secondary dust lip blocks water and debris — verified by product specification and functional testing |
| OEM-Exact 40×74×9/15.5 mm Dimensions | Precision-matched to the ISUZU UCS/UBS/D-MAX differential pinion — direct press-fit installation without modification — verified by CMM dimensional inspection |
| Spring-Loaded Lip | Maintains consistent contact pressure on the pinion flange surface for reliable sealing at all operating speeds — verified by functional testing |
| ISO/TS 16949 Quality System | Full traceability with material certificates and batch inspection reports — third-party certified |
| QC Item | Verification Method / Standard |
|---|---|
| Inner Diameter (40 mm) | CMM, 100% inspection |
| Outer Diameter (74 mm) | CMM, 100% inspection |
| Thickness (9 / 15.5 mm) | CMM, 100% inspection |
| Lip Geometry Angle | Optical comparator, 100% inspection |
| Fluid Immersion Resistance | ASTM D471 — 70h @ 100°C in gear oil |
| Compression Set | ASTM D395 — 70h @ 100°C |
| Batch Traceability | Material lot number + production date |
Company Details
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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