Yimi (Guangzhou) Automotive Parts Co, Ltd
| Payment Terms | T/T |
| Surface Coating | Black Coating / Zincing / Nickelage |
| Surface Hardness | HRC58-62 |
| Gear Ratio | 7×43 (7 pinion teeth, 43 ring gear teeth) |
| Certifiion | ISO/TS16949 |
| Ring Gear Diameter | 292mm |
| Delivery Time | 5-8 Work Days |
| Bolt Size | M14 (14mm) |
| Material | 20CrMnTi / 8620 Alloy Steel |
| Supply Ability | 10000 pcs/month |
| Heat Treatment | Carburizing, Hardening, Tempering, High Frequency Treatment |
| OEM Part Number | 8-97035455-0 / 8970354550 |
| Packaging Details | Neutral Package or as customers’ request |
| Model Number | ISUZU NPR66 4HF1 |
| Place of Origin | China |
| Brand Name | YIMI |
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Product Specification
| Payment Terms | T/T | Surface Coating | Black Coating / Zincing / Nickelage |
| Surface Hardness | HRC58-62 | Gear Ratio | 7×43 (7 pinion teeth, 43 ring gear teeth) |
| Certifiion | ISO/TS16949 | Ring Gear Diameter | 292mm |
| Delivery Time | 5-8 Work Days | Bolt Size | M14 (14mm) |
| Material | 20CrMnTi / 8620 Alloy Steel | Supply Ability | 10000 pcs/month |
| Heat Treatment | Carburizing, Hardening, Tempering, High Frequency Treatment | OEM Part Number | 8-97035455-0 / 8970354550 |
| Packaging Details | Neutral Package or as customers’ request | Model Number | ISUZU NPR66 4HF1 |
| Place of Origin | China | Brand Name | YIMI |
| High Light | 7×43 Gear Ratio Final Drive Gear Set ，20CrMnTi Alloy Steel Crown Wheel and Pinion ，HRC58-62 Hardness Differential Gear Set | ||
The Final Drive Gear Set (Crown Wheel and Pinion) with OEM numbers 8-97035455-0, 8-97320103-0 (also listed as 8970354550, 8973201030) is a verified direct-fit replacement for ISUZU NPR66 trucks equipped with the 4HF1 diesel engine.
If your final drive gear set is failing, you may experience one or more of the following symptoms:
Primary Appliions:
| Brand | Model | Chassis/Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | NPR66 | N-Series | 4HF1, 4HF1-II 4.3L Diesel | 1990s-2000s |
| ISUZU | NPR66L | N-Series | 4HF1 4.3L Diesel | 1990s-2000s |
| ISUZU | NKR66 | N-Series | 4HF1 Diesel | 1990s-2000s |
| ISUZU | ELF | NKR/NPR Series | 4HF1 | 1990s-2000s |
| Feature | Benefit & Verifiion |
|---|---|
| OEM Specifiion | Guarantees factory-fit quality and performance |
| Precision 7×43 Gear Ratio | Optimal balance of torque multipliion and fuel efficiency |
| 20CrMnTi/8620 Alloy Steel | Exceptional strength, wear resistance, and impact durability |
| HRC58-62 Surface Hardness | Superior gear tooth durability and extended service life |
| Comprehensive Heat Treatment | Optimal grain structure and fatigue resistance |
| Corrosion-Resistant Coating | Protection against rust and corrosion |
| Direct Bolt-On Fitment | No modifiions required |
| 100% New - No Core Charge | Zero wear, immediate power transfer, full service life |
| QC Item | Verifiion Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 292mm diameter and mounting specifiions |
| Gear Tooth Inspection | 100% gear tooth profile and contact pattern inspection |
| Material Composition | Spectrographic analysis of 20CrMnTi/8620 alloy steel |
| Hardness Testing | Rockwell hardness testing to verify HRC58-62 specifiion |
| Backlash & Runout Test | Precision measurement for quiet, smooth operation |
| Heat Treatment Verifiion | Metallurgical analysis of carburizing depth and hardening |
| Final Assembly Inspection | 100% visual and dimensional inspection |
Pre-Installation Checklist:
Maintenance Schedule:
Each final drive gear set is securely packed in a heavy-duty carton with foam inserts to prevent shipping damage. Suitable for wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners.
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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