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Power Steering Oil Pump Assembly 1-19500561-2 1195005612 for ISUZU CXZ 6WF1 — OEM Verified Direct-Fit Replacement
Product Overview
The Power Steering Oil Pump Assembly with OEM numbers 1-19500561-2 / 1195005612 is a verified direct-fit replacement for ISUZU CXZ series heavy-duty trucks equipped with the 6WF1 diesel engine. This hydraulic pump is a critical component of the power steering system, responsible for generating and maintaining hydraulic pressure to assist steering effort, ensuring stable and responsive steering control under heavy loads and complex road conditions.
2025 Verifiable Signal Highlights
Real Bench Test Data: Maximum working pressure verified at 130 bar; operating speed range 500–3,600 r/min — tested on hydraulic test bench under simulated steering load conditions.
Proven Durability: Rated for continuous operation in 3-axle heavy trucks and container tractors. Net weight 5.26 kg — confirmed by 100% quality inspection.
Installation Success Rate: Standard OEM mounting configuration — 2 installation holes, 20-tooth pump gear — direct bolt-on fitment confirmed across ISUZU CXZ/CYZ/EXZ truck applications.
100% Pre-Delivery Testing: Every unit undergoes pressure and flow testing before shipment.
Failure Symptoms — Replace Promptly If You Notice
Heavy/Stiff Steering — especially at low speeds, during parking, or tight turns
Whining or Groaning Noise — when turning the steering wheel, worsening at full lock
Squealing on Startup — or during sharp turns, indicating pump struggling to maintain pressure
Fluid Leak — reddish-brown or amber puddle near the front of the vehicle
Jerky or Inconsistent Steering Response — the wheel feels sometimes loose, sometimes tight
Product Specifications
Part Number:
1-19500561-2 1195005612
Product Name:
Power Steering Oil Pump Assembly
Car Model:
CXZ 6WF1
Engine Model:
CXZ 6WF1
Condition:
100% Brand New
Material:
High-strength aluminum alloy & precision bearings
Cooling Type:
Engine coolant circulation
Installation:
Direct OEM replacement
Quality Standard:
OEM equivalent / ISO quality control
Origin:
China Mainland
Main Market:
Middle East, Asia, Africa, South America, North America & Europe
Package:
Neutral Packing Or Make It As Requested
Vehicle & Engine Compatibility
Primary Applications:
Brand
Model
Engine
Years
ISUZU
CXZ
6WF1
2000–2020
ISUZU
CYZ
6WF1 / 6WG1
2000–2020
ISUZU
EXZ
6WF1 / 6WG1
2000–2020
ISUZU
EXR
6WF1 / 6WG1
2000–2020
⚠️ Important: Always verify your OEM number before ordering. This pump is designed for right-hand rotation configuration. Please confirm your vehicle's engine code (6WF1) and chassis number. If you are unsure about fitment, provide your VIN for verification.
Features & Benefits
Cast iron / metal housing Withstands high-pressure hydraulic operation — verified by bench pressure test at 130 bar
20-tooth pump gear, 2-hole mounting Precise OEM fitment — direct bolt-on installation without modification
Internal flow control valve & safety valve Maintains stable flow and prevents pipeline rupture under overload — verified by simulated steering load testing
100% pre-delivery pressure & flow test Zero defect rate on hydraulic performance — confirmed by in-house QC records
High-pressure sealing test — zero leakage at rated pressure
Visual & surface inspection
100% manual inspection for casting defects and machining marks
Pre-delivery function test
Full assembly run-in test before packaging
Installation & Maintenance Recommendations
⚠️ IMPORTANT: This is a safety-critical hydraulic component. Professional installation is strongly recommended. Always refer to the ISUZU workshop manual for your specific model.
Installation Guidelines:
Disconnect battery negative terminal before starting work.
Drain power steering fluid and disconnect pressure/return lines — cap all openings to prevent contamination.
Remove drive belt and unbolt the old pump (typically 2 mounting bolts).
Clean mounting surface and verify new pump gear aligns with drive gear.
Install new pump, torque mounting bolts to OEM specification.
Reconnect hydraulic lines, fill system with recommended ATF or power steering fluid.
Bleed the system: turn steering wheel lock-to-lock several times with engine idling, top up fluid as needed.
Check for leaks and verify steering assist function.
Maintenance Schedule:
Inspect power steering fluid level and condition every 20,000 km or 6 months.
Replace fluid every 60,000–80,000 km to prevent internal wear.
Check belt tension and pump for noise every 40,000 km.
Packaging & Supply
Packaging: Neutral carton or customized branded packaging available per customer request
MOQ: 5 pcs (negotiable for trial orders)
Delivery Time: 7–30 days depending on quantity
Supply Ability: 10,000 sets/month
Suitable for: Wholesalers, repair shops, fleet maintenance, heavy truck parts distributors
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 ...
