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Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
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China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —
China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —

  1. China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —
  2. China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —
  3. China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —
  4. China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —
  5. China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —
  6. China OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —

OEM Exhaust Brake Solenoid Valve 8-97374152-2 with Gaskets for ISUZU NPR 4HK1 —

  1. MOQ: 10 pcs
  2. Price: Negotiable
  3. Get Latest Price
Installation Direct OEM replacement
Payment Terms T/T
Includes Gaskets
Material High-strength aluminum alloy & precision bearings
Delivery Time 5-8 Work Days
Cooling Type Engine coolant circulation
Engine Compatibility ISUZU 4HK1 5.2L, 4HE1 4.8L
Certifiion ISO/TS16949
Durability Rating 400,000+ km
Supply Ability 10000 pcs/month
OEM Part Number 8-97374152-2 / 8973741522
Packaging Details Neutral Package or as customers’ request
Vehicle Models ISUZU NPR, NQR, NRR, NPR-HD
Model Number ISUZU 4HK1 NPR
Brand Name YIMI
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Installation Direct OEM replacement Payment Terms T/T
Includes Gaskets Material High-strength aluminum alloy & precision bearings
Delivery Time 5-8 Work Days Cooling Type Engine coolant circulation
Engine Compatibility ISUZU 4HK1 5.2L, 4HE1 4.8L Certifiion ISO/TS16949
Durability Rating 400,000+ km Supply Ability 10000 pcs/month
OEM Part Number 8-97374152-2 / 8973741522 Packaging Details Neutral Package or as customers’ request
Vehicle Models ISUZU NPR, NQR, NRR, NPR-HD Model Number ISUZU 4HK1 NPR
Brand Name YIMI Place of Origin China
High Light OEM Part Number 8-97374152-2 Exhaust Brake Solenoid ValveIncludes Gaskets Magnetic Valve12 Months Warranty Electric Solenoid Valve
Exhaust Brake Solenoid Valve 8-97374152-2 8973741522 for ISUZU NPR 4HK1 — OEM Electric Mag Valve
Product Overview

The Exhaust Brake Solenoid Valve (Magnetic Valve) with OEM numbers 8-97374152-2 and 8973741522 is a verified OEM-grade direct replacement for ISUZU NPR, NQR, and NRR series trucks equipped with 4HK1 5.2L and 4HE1 4.8L diesel engines. This electrically-actuated solenoid valve controls compressed air or engine vacuum to actuate the exhaust brake butterfly valve, creating backpressure for controlled vehicle deceleration.

Real Shop Test Data: Precision-engineered electric solenoid valve delivers reliable exhaust brake actuation
Proven Durability: Built with OEM-grade materials rated for 400,000+ km under normal operation
Installation Success Rate: 99% direct bolt-on fitment confirmed across thousands of repair orders
OEM Cross-Reference Verified: Replaces 8973741522, 8971639910
Failure Symptoms

If your exhaust brake solenoid valve is failing, you may experience:

  • Exhaust Brake Inoperative: The exhaust brake fails to engage when activated
  • Intermittent Exhaust Brake Operation: Works sporadically or only under certain conditions
  • Check Engine / Warning Light: Dashboard warning light related to exhaust brake system
  • Reduced Braking Performance: Noticeable reduction in engine braking effectiveness
  • Air Leakage: Hissing or audible air leakage from the valve area
⚠️ A failing exhaust brake solenoid valve compromises vehicle braking performance, especially under heavy loads — prompt replacement is essential to maintain safe deceleration and reduce service brake wear.
Part Number 8-97374152-2 8973741522
Product Name Exhaust Brake Solenoid Valve
Car Model ISUZU NPR
Engine Model ISUZU 4HK1
Condition 100% Brand New
Origin China Mainland
Exhaust Brake Solenoid Valve for ISUZU NPR
Vehicle & Engine Compatibility
Brand Model Series / Chassis Engine Years
ISUZU NPR N-Series 4HK1 5.2L, 4HE1 4.8L 1995-2007
ISUZU NQR N-Series 4HK1 5.2L, 4HE1 4.8L 1995-2007
ISUZU NRR N-Series 4HK1 5.2L, 4HE1 4.8L 1995-2007
ISUZU NPR-HD N-Series 4HK1 5.2L --
Engine Code Displacement Fuel Type Appliion
4HK1 5.2L (5193cc) Diesel Turbo NPR, NQR, NRR, NPR-HD
4HE1 4.8L (4775cc) Diesel NPR, NQR, NRR
⚠️ Important: This exhaust brake solenoid valve is designed for ISUZU 4HK1 5.2L and 4HE1 4.8L diesel engines. Fits ISUZU N-Series (NPR, NQR, NRR, NPR-HD) trucks. Loed on the right outer frame rail, in front of the air cleaner assembly. Please verify your vehicle's model, chassis code, and engine code (4HK1 or 4HE1) before ordering.
Exhaust Brake Solenoid Valve installation view Exhaust Brake Solenoid Valve close-up
Features & Benefits
Feature Benefit + Verifiion Signal
OEM Specifiion — ISUZU Genuine Guarantees factory-fit quality and performance — verified by ISUZU OEM part numbers
Electric Solenoid Valve Design Provides reliable, on-demand exhaust brake actuation for controlled deceleration
Includes Gaskets Complete replacement solution — no need to purchase additional seals
Heavy-Duty Construction Built to withstand under-chassis conditions, vibration, and extreme temperatures
Direct Bolt-On Fitment No modifiions required — verified by 99% installation success rate
100% New — No Core Charge Guarantees zero wear, immediate performance, and full service life
Quality Control & Verifiion
QC Item Verifiion Method
Dimensional Accuracy Precision inspection to verify all mounting points match OE blueprint specifiions
Solenoid Function Test 100% electrical actuation test to verify valve opens and closes correctly
Leakage Test 100% pressure decay test to guarantee zero air leakage in closed position
Seal Integrity Test Full actuation cycling to verify gasket and seal durability
Durability Cycle Test 500+ hour fatigue testing to verify 400,000+ km service life
Final Assembly Inspection 100% visual and functional inspection before packaging
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Professional Installation Recommended

Pre-Installation Checklist:

  • Loe the exhaust brake solenoid valve on the right outer frame rail, in front of the air cleaner assembly
  • Disconnect the battery negative terminal before starting work
  • Allow the exhaust system to cool completely
  • Inspect all air lines and electrical connectors for damage — replace if necessary

Installation Guidelines (Reference ISUZU workshop manual):

  1. Disconnect the negative battery terminal
  2. Loe the exhaust brake solenoid valve on the right outer frame rail
  3. Disconnect the electrical connector from the solenoid valve
  4. Disconnect the air lines from the valve (note positions for reinstallation)
  5. Remove the mounting bolts securing the valve to the frame rail
  6. Remove the old valve and clean the mounting surface thoroughly
  7. Install the new valve using the new gaskets provided
  8. Torque the mounting bolts to manufacturer's specified torque settings
  9. Reconnect all air lines securely
  10. Reconnect the electrical connector
  11. Reconnect the negative battery terminal
  12. Start the engine and test the exhaust brake function
  13. Check for air leaks around the valve connections

Maintenance Schedule:

  • Inspection: Every 50,000 km / 12 months. Check exhaust brake function, listen for air leaks, and inspect electrical connections
  • Replacement: Immediately if failure symptoms appear (exhaust brake inoperative, intermittent operation, or air leakage)
Packaging & Supply
  • Packaging: Each exhaust brake solenoid valve is securely packed in protective packaging to prevent shipping damage
  • Includes: Solenoid valve + Gaskets
  • Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners

Company Details

Bronze Gleitlager

,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2005

  • Total Annual:

    8000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

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 ...

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Get in touch with us

  • Reach Us
  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
  • https://www.isuzucarsparts.com/

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