Rear Right Front Brake Wheel Cylinder 8-97139822-0 8971398220 8-97022141-0 For ISUZU ELF NKR NPR NQR NPS 4BD1 4HF1 4HG1 4HK1 — OEM 1-3/16″ (30.2mm) Drum Brake Cylinder With Copper Bleeder & Gear Adjus
Basic Properties
Place of Origin:
China
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
ISUZU ELF NKR NPR NQR NPS 4BD1 4HF1 4HG1 4HK1
Trading Properties
Minimum Order Quantity:
10 pcs
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
10000 pcs/month
Specifications
| OEM Part Numbers: | 8-97139822-0 / 8971398220 / 8-97139-822-0 | Part Name: | CYLINDER; WHEEL, RR BRK / Rear Brake Wheel Cylinder |
| Fitting Position: | Rear Axle, Right Hand (RH) Front | Bore Diameter: | 1-3/16″ (30.2 Mm) |
| Gear Teeth: | 16 | Thread Size: | M10 × 1.0 |
| Material: | Heavy-Duty Cast Iron With Corrosion-Resistant Finish | Includes: | Copper Bleeder Screw + Gear Adjuster |
| Net Weight: | Approx. 1.23 Kg | Customs Code: | 870830000 |
| Engine Compatibility: | ISUZU 4BD1, 4HF1, 4HG1, 4HK1, 4JJ1 | Vehicle Compatibility: | ISUZU ELF, NKR, NPR, NQR, NPS, NLR, NMR |
| Production Years: | 1992 Onwards | Condition: | Brand New — 100% Quality Inspected |
| Warranty: | 12 Months | ||
| High Light: | ISUZU ELF brake wheel cylinder,drum brake cylinder with copper bleeder,OEM ISUZU truck brake cylinder |
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Product Description
Rear Right Front Brake Wheel Cylinder 8-97139822-0 8971398220 8-97022141-0
Product Overview
OEM-grade direct replacement brake wheel cylinder for ISUZU ELF, NKR, NPR, NQR, and NPS series trucks. Features 1-3/16″ (30.2mm) bore with copper bleeder screw and 16-tooth gear adjuster for reliable drum brake performance.
Part Numbers:
8-97139822-0, 8971398220, 8-97022141-0
Vehicle Models:
ISUZU ELF NKR NPR NQR NPS
Engine Models:
ISUZU 4BD1 4HF1 4HG1 4HK1
Condition:
100% Brand New
Weight:
1.23 kg
⚠️ IMPORTANT: This is the Rear Right-Hand (RH) Front unit. The Left-Hand (LH) counterpart is 8-97139821-0 / 8971398210. Verify your vehicle's requirements before ordering.
Key Features
OEM Specification
Verified by ISUZU OEM part numbers 8-97139822-0, 8971398220
Precision 1-3/16″ Bore
30.2mm bore size with 16-tooth gear adjuster
Heavy-Duty Construction
Cast iron body for durability and heat dissipation
Complete Assembly
Includes copper bleeder screw and gear adjuster
Failure Symptoms
- Brake fluid leakage from rear wheels or inside brake drum
- Soft or spongy brake pedal feeling
- Uneven braking or vehicle pulling to one side
- Reduced braking performance and increased stopping distance
- Contaminated brake shoes from fluid saturation
⚠️ SAFETY WARNING: Failing brake wheel cylinders can lead to reduced braking performance and potential brake failure. Prompt replacement is essential.
Vehicle Compatibility
| Brand | Model | Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | ELF | NKR8_, NKQ8_ | 4BD1, 4HF1 | 1992 onwards |
| ISUZU | NKR | N-Series | 4BD1, 4HF1, 4JG2 | 1992 onwards |
| ISUZU | NPR | N-Series | 4BD1, 4HF1, 4HG1 | 1992 onwards |
| ISUZU | NQR | N-Series | 4HF1, 4HG1, 4HK1 | 1992 onwards |
| ISUZU | NPS | N-Series | 4HF1, 4HG1 | 1992 onwards |
Cross-Reference Part Numbers
| Part Number | Description | Position |
|---|---|---|
| 8-97139822-0 / 8971398220 | Rear Brake Wheel Cylinder | Right Hand (RH) Front - This Part |
| 8-97139821-0 / 8971398210 | Rear Brake Wheel Cylinder | Left Hand (LH) Front - Counterpart |
| 8-97022141-0 / 8970221410 | Rear Brake Wheel Cylinder | RH (earlier variant) |
Installation Recommendations
⚠️ PROFESSIONAL INSTALLATION RECOMMENDED
Replace wheel cylinders in pairs (both rear wheels) for balanced braking performance.
Replace wheel cylinders in pairs (both rear wheels) for balanced braking performance.
- Quantity Required: 2 per vehicle (one for each rear wheel)
- Use new brake fluid (DOT 3 or DOT 4) from sealed container
- Inspect brake shoes, drums, and hardware for wear
- Bleed brake system thoroughly after installation
- Torque all fasteners to manufacturer specifications
Quality Control
Dimensional Accuracy
Precision inspection to verify 1-3/16″ bore diameter and specifications
Material Composition
Heavy-duty cast iron analysis for structural integrity
Leakage Testing
100% hydraulic pressure test under operating conditions
Durability Testing
500+ hour fatigue testing for 200,000+ km service life