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Front Brake Wheel Cylinder 8-97358874-0 8973588740 For ISUZU NPR NQR 700P 4HK1 5.2L Diesel — OEM Front Left Cast Iron 1-3/16" Bore
Product Overview
The Front Brake Wheel Cylinder with OEM numbers 8-97358874-0 (also listed as 8973588740) is a verified OEM-grade direct replacement for ISUZU NPR, NQR, 700P, and compatible N-Series trucks equipped with the 4HK1 5.2L diesel engine. Manufactured to ISUZU's stringent OEM specifiions, this wheel cylinder is a critical component of the front drum brake system that converts hydraulic pressure from the brake master cylinder into mechanical force, pushing the brake shoes against the drum to provide safe and reliable stopping power.
Important Fitment Note: Part number 8-97358874-0 / 8973588740 is the Front Left-Hand (LH) wheel cylinder. The matching Front Right-Hand (RH) counterpart is 8-97358875-0 / 8973588750. For balanced braking performance, it is strongly recommended to replace brake wheel cylinders in pairs (both front wheels).
OEM Specifiion — Verified by ISUZU OEM part numbers 8-97358874-0 and 8973588740
If your front brake wheel cylinder is failing, you may experience one or more of the following symptoms:
Brake Fluid Leakage: Visible fluid seeping from the front wheels or inside the brake drum — indies worn seals
Soft or Spongy Brake Pedal: Pedal feels unusually soft or goes to the floor — indies internal seal failure
Reduced Braking Performance: Vehicle takes longer to stop or requires increased pedal pressure
Uneven Braking: Vehicle pulls to one side during braking — indies a seized or leaking cylinder on one side
Contaminated Brake Shoes: Brake fluid soaking into the brake shoes, causing reduced friction and brake fade
Warning: A failing brake wheel cylinder can lead to reduced braking performance and potential brake failure — prompt replacement is essential. For optimal performance, it is strongly recommended to replace brake wheel cylinders in pairs (both front wheels).
Part Number:
8-97358874-0 8973588740
Product Name:
Front Brake Wheel Cylinder
Car Model:
ISUZU NPR NQR 700P
Engine Model:
4HK1
Condition:
100% Brand New
Vehicle & Engine Compatibility
Primary Appliions:
Brand
Model
Chassis / Series
Engine
Notes
ISUZU
NPR
N-Series
4HK1 5.2L Diesel
Front Left
ISUZU
NQR
N-Series
4HK1 5.2L Diesel
Front Left
ISUZU
700P
N-Series
4HK1 5.2L Diesel
Front Left
ISUZU
NPR66
N-Series
4HK1
Front Left
ISUZU
NPR71
N-Series
4HK1
Front Left
ISUZU
ELF
ELF 200/300/400
3.0L / 5.2L Diesel
Front Left
Important:
This brake wheel cylinder is specifically for the Front Left-Hand (LH) position
The Front Right-Hand (RH) counterpart is 8-97358875-0 / 8973588750
Compatible with ISUZU NPR, NQR, 700P, NPR66, NPR71, and ELF models with 4HK1 engine
Also compatible with 4HG1-T, 4HE1 engine appliions
It is strongly recommended to replace brake wheel cylinders in pairs (both front wheels) for balanced braking performance
Please verify your vehicle's chassis code, production year, and VIN before ordering
Features & Benefits
OEM Specifiion — ISUZU Genuine Equivalent
Guarantees factory-fit quality and performance — verified by OEM part numbers 8-97358874-0 and 8973588740
Precision 1-3/16″ (30.16mm) Bore
Delivers consistent hydraulic pressure for reliable braking performance — verified by dimensional specifiions
High-Grade Cast Iron Construction
Provides exceptional durability and heat dissipation under demanding commercial conditions — verified by material specifiions
Heat Resistant & Leakage Resistant
Engineered with high-quality seals and components to withstand extreme temperatures and prevent fluid leakage — verified by OEM-grade material standards
Bleeder Screw Included
Complete replacement solution — no need to purchase additional hardware
Direct Bolt-On Fitment
No modifiions required — engineered as a direct match for the original cylinder
100% Pressure Tested
Guarantees dependable operation and leak-free performance — verified by quality assurance testing
100% New — No Core Charge
Guarantees zero wear, immediate braking performance, and full service life — no core deposit required
Quality Control & Verifiion
Our manufacturing and inspection processes ensure every brake wheel cylinder meets or exceeds ISUZU OEM standards.
QC Item
Verifiion Method
Dimensional Accuracy
Precision inspection to verify 1-3/16″ (30.16mm) bore diameter, M10 x 1.0 inlet threads, and mounting hole spacing match OE blueprint specifiions
Material Composition
Cast iron analysis to verify structural integrity and heat dissipation characteristics
Bore Surface Test
100% surface testing to ensure optimum sealing surface for pressure cups
Leakage Test
100% hydraulic pressure test to guarantee zero fluid leakage under operating conditions
Rubber Component Test
EPDM material verifiion for heat and corrosion resistance
Durability Cycle Test
500+ hour fatigue testing to verify long-term reliability under commercial vehicle operating conditions
Final Assembly Inspection
100% visual and functional inspection before packaging
Installation & Maintenance Recommendations
IMPORTANT: Professional Installation Recommended
Replacing brake wheel cylinders is a critical safety procedure. It is strongly recommended to replace them in pairs (both front wheels) for balanced braking performance.
Pre-Installation Checklist:
Safely raise the vehicle and support it on jack stands
Remove the front wheels and brake drums to access the wheel cylinders
CRITICAL: This is the Front Left (LH) cylinder — the RH counterpart is 8-97358875-0 / 8973588750
Inspect brake shoes, drums, and hardware for wear — replace as necessary
Use new brake fluid (DOT 3 or DOT 4) from a sealed container
Critical: Replace wheel cylinders in pairs (both front wheels) for balanced braking performance
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 ...
