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Air Dryer Protection Valve Assembly 1-85576369-0 For ISUZU CXZ51K 6WF1 Truck 1855763690
Precision-engineered air dryer protection valve assembly regulates air pressure and protects the brake system from contamination, ensuring reliable braking performance for ISUZU CXZ51K heavy-duty trucks with 6WF1 diesel engines.
Product Overview
The Air Dryer Protection Valve Assembly (OEM Numbers: 1-85576369-0 / 1855763690) is a premium-quality, direct replacement brake system component designed specifically for ISUZU CXZ51K, CYZ51, CYZ52, and EXZ51 (GIGA) series heavy-duty trucks equipped with the 6WF1 diesel engine. This precision-engineered valve assembly is a critical component of the vehicle's pneumatic brake system, responsible for regulating air pressure and protecting the air dryer and brake components from contamination, ensuring reliable, safe braking performance.
Part Number
1-85576369-0, 1855763690
Product Name
Air Dryer Protection Valve Assembly / Protection Valve Assembly
Car Model
ISUZU CXZ51K, CYZ51, CYZ52, EXZ51 (GIGA)
Engine Model
ISUZU 6WF1 Diesel Engine
Condition
100% Brand New
Weight
Standard
Origin
China Mainland
Main Market
Middle East, Asia, Africa, South America, North America & Europe
Package
Neutral Packing Or Make It As Requested
Warranty
6 Months
Price & Stock
Please Contact Us To Get More Information
Material
High-strength aluminum alloy & precision bearings
Cooling Type
Engine coolant circulation
Installation
Direct OEM replacement
Quality Standard
OEM equivalent / ISO quality control
Features & Advantages
OE Quality: Manufactured to strict ISUZU dimensional and performance specifications for perfect fit and function
Durable Construction: Robust metal housing withstands high pressures, temperature extremes, and vibration
Critical Safety Component: Essential for air brake system reliability and driver safety
Protects Brake System: Prevents contamination and maintains proper air pressure balance
Direct Replacement: Simple installation with no modifications required
Long Service Life: Engineered for reliability in demanding commercial applications
100% Tested: Quality assured through rigorous testing
Warranty Included: 3 to 12-month warranty for peace of mind
Vehicle & Engine Compatibility
This air dryer protection valve assembly is specifically designed for ISUZU heavy-duty trucks. Common applications include:
ISUZU CXZ51K - Heavy-Duty Trucks
ISUZU CYZ51 - Heavy-Duty Trucks (GIGA Series)
ISUZU CYZ52 - Heavy-Duty Trucks (GIGA Series)
ISUZU EXZ51 (GIGA) - Heavy-Duty Trucks
ISUZU CXZ - Heavy-Duty Trucks
ISUZU CYZ - Heavy-Duty Trucks
ISUZU 6WF1 Engine Specifications:
6-Cylinder, Inline Diesel
Displacement: 14.3L
Widely used in CXZ51K, CYZ51, and EXZ51 (GIGA) series heavy-duty trucks
Brake System Application:
Air brake system protection valve
Regulates air pressure and protects the air dryer from contamination
Installation Notes
Professional installation required. Air brake system safety is critical:
Depressurize the air brake system - Completely drain all air pressure from the brake system before beginning work
Raise and secure the vehicle - Safely raise the vehicle and support on jack stands
Locate the air dryer protection valve - Identify the valve assembly in the air brake system
Mark air lines - Mark the air lines for correct reconnection
Disconnect air lines - Carefully disconnect the air supply and delivery lines from the old valve
Remove the old valve assembly - Unbolt and remove the old air dryer protection valve
Inspect air lines - Check air lines for wear, cracking, or damage; replace if necessary
Inspect fittings - Check fittings for damage or wear; replace if necessary
Clean mounting area - Clean the mounting bracket and surrounding area
Prepare the new valve assembly - Inspect the new valve and verify it matches the original
Install the new valve assembly - Position the new valve on the mounting bracket and secure with bolts
Reconnect air lines - Reconnect the air lines according to the marks
Check connections - Ensure all connections are properly tightened
Lower the vehicle - Lower the vehicle to the ground
Recharge the air system - Start the engine and recharge the air brake system
Check for leaks - Apply soapy water to all connections and inspect for air leaks
Test operation - Apply the brakes and verify proper, synchronized brake actuation
Road test - Test drive the vehicle to verify proper braking performance
Quality Control
Material Verification: Confirms housing and internal component materials meet OE specifications
Dimensional Inspection: Mounting points and port positions verified against OEM tolerances
Pressure Testing: 100% tested for air pressure integrity and leak-free operation
Performance Testing: Valve response and regulation verified under simulated operating conditions
Visual Inspection: 100% checked for casting defects, machining flaws, or damage
Packaged Safely: Protected and securely packaged (25×20×15 cm) to prevent damage during transit
Certifications: ISO9001/TS16949 certified
Packaging and Delivery
Neutral export packing or customized packaging available
Carton or wooden case for safe transportation
Fast delivery for stock items
Shipping by Express Air or Sea
Inquiry
For pricing, availability, or bulk purchase of the Air Dryer Protection Valve Assembly 1-85576369-0 For ISUZU CXZ51K 6WF1 Truck 1855763690, please contact our sales team for a competitive quote and expert technical support.
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 ...
