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Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
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China Thermostat Hose Pipe 8-97379228-1 8973792281 For ISUZU 700P NPR NQR NRR 4HK1 5
China Thermostat Hose Pipe 8-97379228-1 8973792281 For ISUZU 700P NPR NQR NRR 4HK1 5

  1. China Thermostat Hose Pipe 8-97379228-1 8973792281 For ISUZU 700P NPR NQR NRR 4HK1 5
  2. China Thermostat Hose Pipe 8-97379228-1 8973792281 For ISUZU 700P NPR NQR NRR 4HK1 5
  3. China Thermostat Hose Pipe 8-97379228-1 8973792281 For ISUZU 700P NPR NQR NRR 4HK1 5

Thermostat Hose Pipe 8-97379228-1 8973792281 For ISUZU 700P NPR NQR NRR 4HK1 5

  1. MOQ: 20 pcs
  2. Price: Negotiable
  3. Get Latest Price
OEM Part Number 8-97379228-1 / 8973792281
Vehicle Models ISUZU 700P, NPR, NPR-HD, NQR, NRR
Function Water bypass — routes coolant around thermostat when closed
Certifiion ISO/TS16949
Supply Ability 10000 pcs/month
Material Heavy-duty black rubber
Engine Compatibility ISUZU 4HK1 (5.2L Turbo Diesel)
Delivery Time 5-8 Work Days
Part Name Thermostat Hose Pipe / Water Bypass Hose
Payment Terms T/T
Packaging Details Neutral Package or as customers’ request
HS Code 400931000
Warranty 12 Months
Weight 0.08 kg
Condition Brand New — 100% pressure tested
Model Number ISUZU 700P NPR NQR NRR 4HK1
Certification ISO/TS16949
Brand Name YIMI
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

OEM Part Number 8-97379228-1 / 8973792281 Vehicle Models ISUZU 700P, NPR, NPR-HD, NQR, NRR
Function Water bypass — routes coolant around thermostat when closed Certifiion ISO/TS16949
Supply Ability 10000 pcs/month Material Heavy-duty black rubber
Engine Compatibility ISUZU 4HK1 (5.2L Turbo Diesel) Delivery Time 5-8 Work Days
Part Name Thermostat Hose Pipe / Water Bypass Hose Payment Terms T/T
Packaging Details Neutral Package or as customers’ request HS Code 400931000
Warranty 12 Months Weight 0.08 kg
Condition Brand New — 100% pressure tested Model Number ISUZU 700P NPR NQR NRR 4HK1
Certification ISO/TS16949 Brand Name YIMI
Place of Origin China
High Light ISUZU 700P thermostat hose pipe ,OEM verified coolant bypass hose ,4HK1 5.2L diesel engine hose
Thermostat Hose Pipe 8-97379228-1 8973792281 For ISUZU 700P NPR NQR NRR 4HK1 5.2L Diesel — OEM Verified Direct Fit, Water Bypass Coolant Hose
Product Overview

The Thermostat Hose Pipe with OEM numbers 8-97379228-1 / 8973792281 is a verified direct-fit replacement for ISUZU 700P, NPR, NPR-HD, NQR, and NRR series trucks equipped with the 4HK1 (5.2L) diesel engine. This critical cooling system component routes coolant as a water bypass hose, ensuring proper engine warm-up and preventing hot spots.

  • Material & Construction: Heavy-duty black rubber designed for excellent heat resistance and durability
  • Fitment Verification: Confirmed fitment across ISUZU NPR, NPR-HD, NQR, NRR, and 700P models with 4HK1 5.2L engine (2007-2010)
  • Dimensional Weight: 0.08 kg — lightweight, precision-molded design
  • OEM Cross-Reference: Replaces 8-97379228-1, 8973792281, 8-97379-228-1, and cross-referenced with 8980969910
  • Multi-Market Application: Compatible with ISUZU platforms across Middle East, Asia, Africa, South America, North America & Europe
Failure Symptoms — When to Replace
  • Coolant leaks: Visible drips or puddles under vehicle, low coolant levels
  • Engine overheating: Temperature gauge rising above normal operating range
  • Cracked, spongy, or hardened hose: Visual degradation, swelling, or stiffness
  • Coolant residue or white staining: Dried coolant traces around connections
  • Loose or brittle hose clamps: Clamps that no longer hold tension
Product Specifications
Part Number: 8-97379228-1 8973792281
Product Name: Thermostat Hose Pipe
Car Model: ISUZU 700P NPR NQR NRR
Engine Model: ISUZU 4HK1
Condition: 100% Brand New
Origin: China Mainland
Main Market: Middle East, Asia, Africa, South America, North America & Europe
ISUZU Thermostat Hose Pipe 8-97379228-1 for 4HK1 engine
Vehicle & Engine Compatibility
Brand Model / Series Engine Years
ISUZU 700P 4HK1 / 4HK1-T 2007-2010+
ISUZU NPR 4HK1 2007-2010
ISUZU NPR-HD 4HK1 2007-2010
ISUZU NQR 4HK1 2007-2024
ISUZU NRR 4HK1 2007-2010

Important Fitment Notes:

  • Also known as water bypass hose and cylinder block water inlet hose
  • Specifically designed for 4HK1 platform - verify engine variant before ordering
  • Always inspect thermostat, water pump, and other radiator hoses when replacing
  • Verify OEM number against engine tag or vehicle documentation
Features & Benefits
Heavy-duty rubber construction
Withstands high-temperature coolant circulation and pressure pulsation
Precision-molded fitment
Direct replacement with correct bends and end diameters
Heat resistance
Manufactured from black rubber for engine coolant temperatures
Lightweight design (0.08 kg)
Easy installation and reduced stress on connection points
Multi-model compatibility
One hose covers multiple ISUZU platforms
OEM-equivalent form, fit, and function
Direct bolt-on replacement without modification
Quality Control & Verification
QC Item Verification Method
Inner diameter / outer diameter Precision gauge measurement against OEM drawing
Hose length / bend geometry Dimensional inspection
Material hardness Shore A durometer testing
Burst pressure resistance Hydrostatic pressure test
Temperature cycling Thermal cycle testing
Coolant chemical resistance Immersion test in coolant solution
Surface finish & visual defects Visual inspection for cracks, blisters, or contamination

Each unit undergoes 100% quality inspection before packaging. Manufacturing conforms to OEM specification standards for cooling system hose applications.

Installation & Maintenance

IMPORTANT SAFETY: Allow engine to cool completely before removing radiator cap or cooling system components. Pressurized hot coolant can cause severe burns. Dispose of used coolant according to local environmental regulations.

Installation Guidelines:

  1. Drain coolant completely using drain pan
  2. Remove old hose by loosening clamps and twisting to break seal
  3. Clean mating surfaces and inspect for corrosion or debris
  4. Install new thermostat bypass hose, ensuring proper routing
  5. Secure clamps to specification without over-tightening
  6. Refill with recommended coolant mixture and bleed system
  7. Pressure test by running engine to operating temperature

Maintenance Schedule:

  • Inspect thermostat hose every 40,000-50,000 km or annually
  • Replace immediately if showing cracks, swelling, hardening, or weeping
  • Replace coolant every 2 years or 50,000 km (conventional coolant)
  • Inspect all cooling system hoses when replacing one component
Packaging & Supply
  • Standard packing: Neutral packaging in carton; original packaging available
  • Suitable for: Truck repair workshops, fleet maintenance, spare parts distributors, export wholesalers
  • Related parts available: Complete 4HK1 cooling hose set, thermostat, water pump, radiator cap

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 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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