Cooling Fan Clutch 8-97129738-0 For ISUZU NQR66 4HF1 Engine 8971297380 truck parts

Name: Cooling Fan Clutch 8-97129738-0 For ISUZU NQR66 4HF1 Engine 8971297380 truck parts
Brand: Yimi (Guangzhou) Automotive Parts Co, Ltd
SKU: ISUZU NQR66 Series, ISUZU NPR, ISUZU NKR, ISUZU ELF
Availability: InStock

Basic Properties

Place of Origin: China

Brand Name: YIMI

Certification: ISO/TS16949

Model Number: ISUZU NQR66 Series, ISUZU NPR, ISUZU NKR, ISUZU ELF

Trading Properties

Minimum Order Quantity: 10 pcs

Price: Negotiable

Payment Terms: T/T

Supply Ability: 10000 pcs/month

Isuzu DMAX clutch slave cylinder

4x4 clutch slave cylinder

Isuzu clutch parts with warranty

Specifications

Part Name:	Cooling Fan Clutch / Viscous Fan Clutch / Fan Hub	Part No:	8-97129738-0, 8971297380
Vehicle Applications:	ISUZU NQR66 Series, ISUZU NPR, ISUZU NKR, ISUZU ELF	Engine Application:	ISUZU 4HF1 Diesel Engine (4.3L)
Vehicle Model Codes:	NK, NP Series	Material:	High-Grade, Corrosion-Resistant Housing
Drive Type:	Viscous / Silicone Fluid-Based Coupling	Actuation:	Temperature-Sensitive Bi-Metallic Coil
Function:	Regulates Cooling Fan Speed Based On Temperature	Fitment:	OEM Standard, Direct Replacement
Condition:	Brand New	H/S Code:	841490900
High Light:	Cooling Fan Clutch for ISUZU NQR66 , ISUZU 4HF1 Engine Fan Clutch , Truck Parts Cooling Fan Clutch

Product Description

Cooling Fan Clutch 8-97129738-0 For ISUZU NQR66 4HF1 Engine 8971297380 Truck Parts

Function: Precision-engineered viscous fan clutch regulates cooling fan speed based on engine temperature, ensuring optimal cooling and fuel efficiency for ISUZU NQR66 trucks with 4HF1 diesel engines.

Product Overview

The Cooling Fan Clutch / Viscous Fan Clutch (OEM Numbers: 8-97129738-0 / 8971297380) is a premium-quality, direct replacement cooling system component designed specifically for ISUZU NQR66 series medium-duty trucks equipped with the 4HF1 diesel engine. This precision-engineered fan clutch regulates cooling fan speed based on engine temperature, optimizing cooling efficiency, reducing engine drag, improving fuel economy, and minimizing noise during cold starts.

Part Number	8-97129738-0, 8971297380
Product Name	Cooling Fan Clutch / Viscous Fan Clutch / Fan Hub
Car Model	ISUZU NQR66 Series, ISUZU NPR, ISUZU NKR, ISUZU ELF
Engine Model	ISUZU 4HF1 Diesel Engine (4.3L)
Condition	100% Brand New
Material	High-strength aluminum alloy & precision bearings
Origin	China Mainland
Warranty	6 Months

Cooling Fan Clutch 8-97129738-0 for ISUZU NQR66 4HF1 Engine

Features & Advantages

OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function
Temperature-Sensitive Control: Bi-metallic coil responds to radiator air temperature for precise fan speed modulation
Viscous Drive Technology: Silicone fluid-based coupling provides smooth, reliable engagement and disengagement
Durable Construction: High-quality materials withstand high temperatures and vibration
Improves Fuel Economy: Reduces engine drag when fan is disengaged
Optimizes Cooling Performance: Engages fan only when needed for efficient cooling
Reduces Noise: Quieter operation during cold starts and light-load conditions
Direct Replacement: Simple installation during cooling system service
Long Service Life: Engineered to withstand heavy-duty commercial operation

Vehicle & Engine Compatibility

This cooling fan clutch is specifically designed for ISUZU medium-duty trucks with 4HF1 engine.

ISUZU NQR66 – Medium-Duty Trucks
ISUZU NPR – Medium-Duty Trucks (various models)
ISUZU NKR – Light to Medium-Duty Trucks
ISUZU ELF (select models with 4HF1 engine)

ISUZU 4HF1 Engine Specifications

4-Cylinder, Inline Diesel
Displacement: 4.3L (4329cc)
Valvetrain: OHV / SOHC (depending on variant)
Widely used in NQR66 and various medium-duty trucks

Installation Notes

Professional installation recommended. Proper cooling system service is essential.

Allow engine to cool completely before beginning work
Disconnect the negative battery cable
Remove the fan shroud and any blocking components
Loosen and remove the drive belt if necessary for access
Unbolt the fan from the fan clutch
Unbolt and remove the old fan clutch from the water pump hub
Inspect the water pump bearing and shaft for wear or damage
Check the fan blades for cracks, damage, or warping
Inspect the radiator for damage, debris, or blockage
Clean the water pump hub and mounting surface
Inspect the new clutch and verify it matches the original
Position the new clutch on the water pump hub and secure with bolts
Install the fan onto the new clutch and secure with bolts
Reinstall and adjust the drive belt tension if removed
Reinstall the fan shroud or components removed for access
Reconnect the negative battery cable
Start the engine and verify smooth, vibration-free fan operation
Listen for unusual noise or vibration
Allow the engine to reach operating temperature and verify proper fan engagement

Quality Control

Material Verification: Confirms housing and internal component materials meet OE specifications
Dimensional Inspection: Mounting points, shaft dimensions, and overall geometry verified against OEM tolerances
Viscous Drive Testing: Silicone fluid fill and torque transfer characteristics verified
Temperature Response Testing: Bi-metallic coil calibration and engagement temperature verified
Seal Integrity Testing: Sealing verified to prevent fluid leakage
Visual Inspection: 100% checked for casting defects, machining flaws, or damage
Packaged Safely: Protected and securely packaged to prevent damage during transit

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 Cooling Fan Clutch 8-97129738-0 For ISUZU NQR66 4HF1 Engine 8971297380 truck parts, please contact our sales team for a competitive quote and expert technical support.