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{"title":"BL0CK ASM CYL NPR 4HG1 4HG1-T 4HF1 8982045330","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/65\/486b19b43672c3be4efdee332582-200x200-1\/bl0ck_asm_cyl_npr_4hg1_4hg1_t_4hf1_8982045330.jpg","attrs":{"Model Number":"NPR 4HG1 4HG1T 4HF1","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"NPR 700P 4HK1 TURBO CHARGE 8980000311 8970786400","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/e4\/ab2ffd604bc21336062bab1561b6-200x200-1\/npr_700p_4hk1_turbo_charge_8980000311_8970786400.jpg","attrs":{"Model Number":"NPR 700P 4HK1","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"NPR 4BD2 3.9L CYLINDER HEAD 8971030270","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/a8\/bc770a27bfb7fb839df3007b51a1-200x200-1\/npr_4bd2_3_9l_cylinder_head_8971030270.jpg","attrs":{"Model Number":"NPR 4BD2","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
Relay Valve 1-48240041-0 For Isuzu EXR Heavy Truck Air Brake 1482400410
Product Overview
The Relay Valve (OEM Numbers: 1-48240041-0 / 1482400410) is a premium-quality, direct replacement air brake system component designed for Isuzu EXR series heavy-duty trucks and compatible models.
Part Number
1-48240041-0, 1482400410
Product Name
Relay Valve / Air Brake Relay Valve
Car Model
ISUZU EXR, CYZ51K, CXZ05
Engine Model
ISUZU 6WF1, 10PE1
Condition
100% Brand New
Origin
China Mainland
Warranty
6 Months
Function & Features
Function: Air brake relay valve rapidly supplies compressed air from the reservoir to the brake chambers upon signal, ensuring quick brake response and release for Isuzu EXR heavy trucks.
OE Quality: Manufactured to Isuzu dimensional and material specifiions for perfect fit and reliable air brake performance
Rapid Brake Response: Opens a large-diameter passage locally at the axle, directing air from the reservoir directly to brake chambers
Quick Brake Release: Instantly vents residual air from brake chambers, preventing brake drag and hub overheating
Durable Construction: Corrosion-resistant cast housing and high-quality rubber diaphragms ensure long service life
Precision Machined: Internal piston structure with engineered surface area ratio for proportional air pressure amplifiion
Restores Brake Performance: Eliminates delayed brake response, air leakage, and rear wheel brake failure
Direct Replacement: Simple bolt-on installation - matches OE mounting points and air line connections
Cost-Effective: Affordable alternative to genuine OEM valves without compromising safety
Safety Critical: A reliable relay valve ensures predictable braking and safe vehicle control
Vehicle & Engine Compatibility
Isuzu Truck Models (Verify Compatibility):
ISUZU EXR (primary fitment)
ISUZU CYZ51K
ISUZU CXZ05
Other Isuzu heavy trucks using air brake relay valve 1-48240041-0
Engine Compatibility:
ISUZU 6WF1 (9.8L)
ISUZU 10PE1 (V10)
Installation Notes
Installation steps (typical for relay valve):
Depressurize the air system - Drain all air pressure from the brake system
Mark air lines - Tag or mark all air lines connected to the old valve to ensure correct reinstallation
Disconnect air lines - Carefully remove air lines from the valve ports
Remove mounting bolts - Unbolt the old relay valve from its bracket
Clean mounting surface - Remove debris and old sealant
Apply thread sealant - Coat threads with pipe sealant prior to installation
Install new valve - Position the new relay valve and secure with mounting bolts
Reconnect air lines - Install air lines to the correct ports as marked during removal
Re-pressurize the system - Gradually build air pressure and check for leaks using soapy water
Test brake operation - Apply and release brakes to verify rapid response and proper exhaust
Quality Control
Material Verifiion: Housing alloy and rubber diaphragm composition tested
Dimensional Inspection: Port sizes, mounting bolt pattern, and overall dimensions verified
Leak Test: Each valve pressure-tested for air leakage
Functional Test: Valve operation verified for rapid response and exhaust
Visual Inspection: 100% checked for casting defects or damage
Packaged Safely: Sealed in plastic bag, ports capped, boxed with foam
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 Relay Valve 1-48240041-0 For Isuzu EXR Heavy Truck Air Brake 1482400410, 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 ...
