Yimi (Guangzhou) Automotive Parts Co, Ltd
                                                                                                           
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Flywheel 8-97115782-0 8971157820 For ISUZU 4HG1 4HF1 NKR NPR Engine Auto Spare Parts

Price Negotiable
Price: Negotiable
MOQ: 10 pcs
Delivery Time: 5-8 Work Days
Brand: YIMI
Product Description
Flywheel 8-97115782-0 8971157820 For ISUZU 4HG1 4HF1 NKR NPR Engine Auto Spare Parts

The Flywheel (OEM Numbers: 8-97115782-0 / 8971157820) is a premium-quality, direct replacement engine component designed specifically for ISUZU NKR and NPR series trucks equipped with 4HG1 and 4HF1 diesel engines. This heavy-duty, precision-machined flywheel serves multiple critical functions: it stores rotational kinetic energy to smooth engine operation, provides the friction surface for the clutch pressure plate to engage and disengage, and features a starter ring gear for engine starting.

Part Number 8-97115782-0, 8971157820
Product Name Flywheel / Engine Flywheel
Car Model ISUZU NKR Series, ISUZU NPR Series (also NK, NP model)
Engine Model ISUZU 4HG1, 4HF1 Diesel Engines
Condition 100% Brand New
Origin China Mainland
Main Market Middle East, Asia, Africa, South America, North America & Europe
Warranty 6 Months
ISUZU Flywheel 8-97115782-0 product image
Features & Advantages
  • OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function
  • Precision-Machined Surface: Clutch friction surface ground to exacting flatness and finish for smooth clutch engagement
  • High-Strength Construction: Ductile iron/steel casting provides durability to withstand high torque loads and thermal stress
  • Induction-Hardened Ring Gear: Precision-cut starter ring gear hardened for wear resistance and reliable starting
  • Dynamically Balanced: Precision balancing ensures smooth engine operation and reduces driveline vibration
  • Restores Clutch Performance: Eliminates clutch shudder, slippage, and engagement issues caused by worn or warped flywheels
  • Ensures Reliable Starting: Undamaged ring gear provides consistent starter motor engagement
  • Direct Replacement: Matches OE flywheel dimensions, bolt pattern, and clutch mounting configuration
  • Long Service Life: Engineered for heavy-duty commercial applications requiring dependable performance
ISUZU Flywheel technical specifications and details
Vehicle & Engine Compatibility

This flywheel is specifically designed for ISUZU light- and medium-duty trucks and commercial vehicles. Common applications include:

  • ISUZU NKR (Light-Duty Trucks)
  • ISUZU NPR (Medium-Duty Trucks)
  • ISUZU 4HG1 Engine Specifications:
    • 4-Cylinder, Inline Diesel
    • Displacement: 4.3L
    • Application: Light- and medium-duty trucks
  • ISUZU 4HF1 Engine Specifications:
    • 4-Cylinder, Inline Diesel
    • Displacement: 4.3L
    • Application: Light- and medium-duty trucks
  • Industrial Applications: Forklifts, generators, and various equipment utilizing 4HG1/4HF1 engines
Installation Notes

Professional mechanic or engine builder installation is essential:

  1. Remove the transmission - Safely remove the transmission assembly from the vehicle
  2. Remove the clutch assembly - Unbolt and remove the clutch cover and disc from the flywheel
  3. Remove the old flywheel - Use proper flywheel holding tools; unbolt and remove the old flywheel
  4. Inspect the crankshaft flange - Check the crankshaft mounting surface for damage, wear, or debris
  5. Clean the crankshaft flange - Thoroughly clean the mounting surface; remove all old sealant or debris
  6. Inspect the old flywheel - Check for cracks, scoring, or heat damage; inspect ring gear teeth for wear
  7. Prepare the new flywheel - Clean the new flywheel; ensure all surfaces are free of oil and debris
  8. Install the new flywheel - Position the flywheel on the crankshaft flange; align the dowel pins
  9. Install mounting bolts - Apply thread locker (if specified); hand-start and snug all bolts
  10. Torque bolts - Tighten flywheel mounting bolts in a criss-cross pattern to manufacturer torque specifications
  11. Check ring gear - Manually rotate the flywheel; inspect ring gear for full, uniform teeth
  12. Install the clutch - Install the clutch disc and pressure plate; align using a clutch alignment tool
  13. Torque clutch bolts - Tighten clutch cover bolts in a criss-cross pattern to specification
  14. Reinstall the transmission - Install the transmission assembly; ensure proper clutch fork and release bearing fit
  15. Check clutch operation - Test the clutch pedal operation; ensure smooth engagement and disengagement
Quality Control
  • Material Verification: Confirms casting material meets ISUZU strength and thermal stability specifications
  • Dimensional Inspection: Overall diameter, thickness, and mounting hole pattern verified within OEM tolerances
  • Surface Finish Inspection: Clutch friction surface flatness and finish checked to ensure proper clutch performance
  • Ring Gear Inspection: Tooth profile, pitch, and hardness verified for reliable starter engagement
  • Dynamic Balancing: Each flywheel balanced to ensure smooth engine operation
  • Hardness Testing: Ring gear teeth hardness verified to specification
  • Visual Inspection: 100% checked for casting defects, cracks, or machining flaws
  • Packaged Safely: Protected and boxed 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 Flywheel 8-97115782-0 8971157820 For ISUZU 4HG1 4HF1 NKR NPR Engine Auto Spare Parts, please contact our sales team for a competitive quote and expert technical support.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Yimi (Guangzhou) Automotive Parts Co, Ltd
Location Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person James

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