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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

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drum brake cylinder with copper bleeder

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OEM ISUZU truck brake cylinder

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.
ISUZU Rear Right Front Brake Wheel Cylinder 8-97139822-0
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.
  • 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