EPDM Rubber Fabric Reinforced Radiator Outlet Hose OEM Standard for Isuzu NPR NQR 4HF1 4HG1 4HK1
The Radiator Outlet Hose (OEM Numbers: 8-97090584-0 / 8970905840) is a premium-quality, direct replacement cooling system component designed for Isuzu NPR and NQR series medium-duty trucks equipped with 4HF1, 4HG1, or 4HK1 diesel engines.
Function: Black rubber radiator outlet pipe (water hose) transports hot coolant from the engine to the radiator for cooling. Ensures proper coolant circulation and engine temperature regulation.
| Part Number | 8-97090584-0, 8970905840, 8-97124743-0, 8971247430, 8-97034021-0, 8970340210 |
|---|---|
| Product Name | Radiator Outlet Hose / Water Hose / Coolant Hose |
| Car Model | ISUZU NPR, NQR |
| Engine Model | ISUZU 4HF1, 4HG1, 4HK1 |
| Condition | 100% Brand New |
| Origin | China Mainland |
| Warranty | 6 Months |
- OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and reliable sealing
- EPDM Rubber: Resists heat (up to 125°C), coolant chemicals, ozone, and aging
- Fabric Reinforcement: Prevents swelling and bursting under pressure
- Pre-Molded Shape: Matches factory routing, eliminates kinking
- Direct Replacement: Simple clamp-on installation - no cutting or trimming
- Restores Cooling System Integrity: Eliminates coolant leaks and overheating risk
- Cost-Effective: Affordable alternative to genuine OEM hoses
This radiator outlet hose is specifically designed for Isuzu NPR and NQR trucks with 4HF1, 4HG1, or 4HK1 engines.
- ISUZU NPR (NPR59, NPR66, NPR70, NPR71, NPR75, etc.)
- ISUZU NQR (medium-duty truck)
- May also fit other Isuzu medium trucks with these engines - verify
| Engine | Displacement | Notes |
|---|---|---|
| 4HF1 | 3.9L (3856cc) | Direct injection |
| 4HG1 | 4.3L (4330cc) | Indirect injection |
| 4HK1 | 5.2L (5193cc) | Common rail |
Required Tools: Screwdriver (or nut driver for clamps), new hose clamps (recommended), coolant catch pan, fresh coolant.
- Allow engine to cool completely
- Drain coolant to a level below the hose connection
- Remove the old hose clamps and carefully remove the old hose
- Clean the radiator inlet neck and engine outlet pipe
- Inspect the connections for corrosion or damage
- Install new hose clamps loosely on the new hose
- Slide the new hose onto both connections
- Position the hose correctly (no twists or kinks)
- Tighten clamps to specification (do not overtighten)
- Refill coolant and bleed the cooling system
- Start engine, bring to operating temperature, and check for leaks
- Material Verification: Rubber compound tested for heat and chemical resistance
- Dimensional Inspection: Inner diameter, length, and bend angles verified
- Burst Pressure Test: Sample hoses pressurized to exceed OE standards
- Visual Inspection: 100% checked for cracks, pinholes, or molding defects
- Packaged Safely: Coiled or straight, sealed in plastic bag, boxed
- 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
For pricing, availability, or bulk purchase of the Radiator Outlet Hose 8-97090584-0 For Isuzu NPR 4HF1 4HG1 4HK1 8970905840 Oem Isuzu Parts, please contact our sales team for a competitive quote and expert technical support.
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