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ISUZU Brake Master Cylinder 1-1/8 Inch Bore OEM Standard ISO/TS16949 Certified for 100P NPR94 4JB1

Basic Properties
Place of Origin: CHINA
Brand Name: YIMI
Certification: ISO/TS16949
Model Number: 100P NPR94 4JB1
Trading Properties
Minimum Order Quantity: 20 PCS
Price: Negotiable
Payment Terms: T/T
Supply Ability: 10000 pcs/month
Specifications
Bore Size: 1-1/8 Inch (28.58mm) Part Type: Hydraulic Brake Master Cylinder Assembly
Material: High-strength Aluminum Alloy & Precision Bearings Compatible Engine: ISUZU 4JB1
Compatible Models: ISUZU 100P, NPR94 OEM Part Number: 8-97129691-0 / 8971296910
Installation: Direct OEM Replacement Cooling Type: Engine Coolant Circulation
High Light:

1-1/8 Inch Bore Brake Master Cylinder

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OEM Standard Brake Master Cylinder

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ISO/TS16949 Certified Hydraulic Brake Master Cylinder Assembly

Product Description
ISUZU Brake Master Cylinder 8-97129691-0 8971296910
Precision-engineered replacement brake master cylinder assembly designed for ISUZU 100P and NPR94 series light-duty trucks with 4JB1 diesel engines. Features 1-1/8 inch bore size and meets OEM standards.
Product Overview
The ISUZU Brake Master Cylinder Assembly with OEM numbers 8-97129691-0 / 8971296910 is the core power source of the vehicle's hydraulic braking system, converting mechanical force from the brake pedal into hydraulic pressure for vehicle deceleration and stopping.
Numbering Note: This product number is 8-97129691-0 / 8971296910. Same series includes 8-97129691-1 and 8-97129691-2. Alternative numbers include 8-97219308-0 / 8972193080 and 8-97129690-0 / 8971296900. Supplied by IZUMI and BZLP brands.
Working Principle
The brake master cylinder features a tandem dual-chamber design that separately controls front and rear brake circuits. When the brake pedal is depressed, it pushes the piston inside the master cylinder, converting mechanical force into hydraulic pressure that is transmitted to wheel cylinders for braking action.
Failure Symptoms
Symptom Probable Cause
Brake pedal feels soft or spongy with increased travel Worn internal seals; hydraulic leakage or internal bypass
Visible brake fluid leakage (under pedal, around master cylinder) Damaged/worn master cylinder seals; external fluid leak
Brake pedal fails to return or returns slowly Failed return spring or stuck piston inside master cylinder
Vehicle pulls to one side during braking Uneven pressure between circuits; imbalanced front/rear braking force
Increased stopping distance Master cylinder unable to provide adequate hydraulic pressure
Product Specifications
Part Number: 8-97129691-0 8971296910
Product Name: Brake Master Cylinder
Car Model: 100P NPR94
Engine Model: 4JB1
Bore Size: 1-1/8 Inch (28.58mm)
Condition: 100% Brand New
Origin: China Mainland
Material: High-strength aluminum alloy & precision bearings
Product Image
ISUZU Brake Master Cylinder 8-97129691-0 showing detailed construction and components
Vehicle & Engine Compatibility
Primary Applications:
Brand Model Compatible Engine Notes
ISUZU 100P 4JB1 Light-duty truck
ISUZU NPR94 4JB1 Light/medium-duty truck
ISUZU NPR 4HG1, 4HF1, 4HE1, 4HK1 Light/medium-duty truck
ISUZU NQR 4HG1 Medium-duty truck
ISUZU NKR 4JB1 Light-duty truck
Important Fitment Warnings
  • Number Confirmation: Verify the specific number on the original part before ordering
  • Left/Right-Hand Drive: Confirm vehicle steering configuration before ordering
  • Associated Components: Replace brake fluid (DOT 3 or DOT 4) simultaneously and inspect brake lines and wheel cylinders
  • System Bleeding Required: Mandatory after installation - start from farthest wheel (right rear)
  • Professional Installation: Critical braking system safety component - professional installation strongly recommended
Features & Benefits
1-1/8 Inch Precision Bore
Provides adequate brake fluid flow and pressure for responsive, reliable braking
ISO/TS16949 Quality Certified
Internationally recognized automotive industry quality standard
IZUMI/BZLP Brand Supply
20 years experience with mature production systems
100% Factory Quality Inspection
Every piece undergoes strict quality inspection
Broad OEM Cross-Compatibility
Compatible with multiple OEM numbers and models
1-Year Warranty
Reliable after-sales protection with quality guarantee
Supply & Packaging
Packaging: Neutral packaging or customized per request
Brand: IZUMI / BZLP
Place of Origin: Guangdong, China
Delivery Time: 5–8 working days
Supply Capacity: 1000 pieces/month
Warranty: 1 year