Yimi (Guangzhou) Automotive Parts Co, Ltd
| Payment Terms | T/T |
| Model Years | 1990–2010 |
| Installation Position | Front Left (LH) |
| Delivery Time | 5-8 Work Days |
| Brake Type | Drum Brake |
| Part Type | Hydraulic Brake Wheel Cylinder Assembly |
| Certifiion | ISO/TS16949 |
| Material | High-strength cast iron housing + corrosion-resistant finish |
| Supply Ability | 10000 pcs/month |
| OEM Part Number | 8-97139819-0 / 8971398190 |
| Bore Size | 1-3/16 Inch (30.16mm / 30.163mm) |
| Packaging Details | Neutral Package or as customers’ request |
| Piston Assembly | Precision-machined piston assembly |
| Model Number | NKR NPR 4HF1 |
| Brand Name | YIMI |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Model Years | 1990–2010 |
| Installation Position | Front Left (LH) | Delivery Time | 5-8 Work Days |
| Brake Type | Drum Brake | Part Type | Hydraulic Brake Wheel Cylinder Assembly |
| Certifiion | ISO/TS16949 | Material | High-strength cast iron housing + corrosion-resistant finish |
| Supply Ability | 10000 pcs/month | OEM Part Number | 8-97139819-0 / 8971398190 |
| Bore Size | 1-3/16 Inch (30.16mm / 30.163mm) | Packaging Details | Neutral Package or as customers’ request |
| Piston Assembly | Precision-machined piston assembly | Model Number | NKR NPR 4HF1 |
| Brand Name | YIMI | Place of Origin | CHINA |
| High Light | 1-3/16 Inch Bore Front Brake Wheel Cylinder ，High-Strength Cast Iron Housing Brake Wheel Cylinder ，Corrosion-Resistant Finish Hydraulic Brake Wheel Cylinder Assembly | ||
The ISUZU Front Brake Wheel Cylinder with OEM numbers 8-97139819-0 / 8971398190 is a precision-engineered replacement designed for ISUZU NKR and NPR series light-duty trucks, compatible with 4HF1 diesel engines. This component is a core actuation element of the vehicle's hydraulic braking system — the Front Left Brake Wheel Cylinder Assembly — responsible for converting hydraulic pressure from the master cylinder into mechanical force to push the brake shoes against the brake drum.
The brake wheel cylinder is a critical actuation component of the hydraulic braking system, mounted on the brake backing plate and connected to the master cylinder via brake fluid lines.
Inspect immediately if any of these symptoms occur:
| Symptom | Probable Cause |
|---|---|
| Reduced braking performance; increased stopping distance | Worn internal seals; hydraulic leakage; insufficient braking force |
| Vehicle pulls to one side during braking | Single-side cylinder malfunction; uneven braking force |
| Brake drag; vehicle still feels braked after pedal release | Stuck piston; cylinder fails to return |
| Visible brake fluid leakage at the wheel cylinder area | Worn/damaged cylinder seals |
| Soft or spongy brake pedal; increased pedal travel | Internal leakage or air in hydraulic system |
| Part Number | 8-97139819-0 8971398190 |
| Product Name | Front Brake Wheel Cylinder |
| Car Model | NKR NPR |
| Engine Model | 4HF1 |
| Bore Size | 1-3/16 Inch (30.16mm / 30.163mm) |
| Installation Position | Front Left (LH) |
| Material | High-Strength Cast Iron with corrosion-resistant finish |
| Model Years | 1990–2010 |
| Condition | 100% Brand New |
| Place of Origin | China |
Primary Appliions:
| Brand | Model | Compatible Engine | Years |
|---|---|---|---|
| ISUZU | NKR | 4HF1 | 1990–2010 |
| ISUZU | NPR | 4HF1 | 1990–2010 |
Extended Appliions: ELF, NQR, NLR, NMR, NNR, NKQ series with 4HF1 engines
| QC Item | Inspection Method | Acceptance Criterion |
|---|---|---|
| Cylinder bore size | Bore gauge / CMM | 1-3/16 inch (30.16mm) ± tolerance |
| Piston-to-bore clearance | Special gauges | Standard range |
| Seal integrity | Visual + dimensional inspection | No damage, no deformation |
| Hydraulic seal test | Pressure test bench | No leakage; stable pressure retention |
| Material composition | Spectrometer | Per high-strength cast iron standard |
Preparation:
Installation Sequence:
Post-Installation Checks (Mandatory):
| Packaging | Neutral packaging or customized per customer request |
| Quantity per package | 1 pc/box (standard shipment packaging) |
| Brand | OEM Standard / IZUMI |
| Place of Origin | China |
| Minimum Order Quantity | 1 piece |
| Delivery Time | 5–30 working days |
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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