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Yimi (Guangzhou) Automotive Parts Co, Ltd

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China Heavy Duty 325mm 21-Spline Clutch Disc for ISUZU NPR 4HE1-TC - Direct Replacemen
China Heavy Duty 325mm 21-Spline Clutch Disc for ISUZU NPR 4HE1-TC - Direct Replacemen

  1. China Heavy Duty 325mm 21-Spline Clutch Disc for ISUZU NPR 4HE1-TC - Direct Replacemen
  2. China Heavy Duty 325mm 21-Spline Clutch Disc for ISUZU NPR 4HE1-TC - Direct Replacemen

Heavy Duty 325mm 21-Spline Clutch Disc for ISUZU NPR 4HE1-TC - Direct Replacemen

  1. MOQ: 5 pcs
  2. Price: Negotiable
  3. Get Latest Price
Inner Diameter 215 mm
Facing Thickness 14 mm
Facing Material Organic/metallic composite
Hub Height 35.3 mm
Delivery Time 5-8 Work Days
Weight 3.0–3.5 kg
Supply Ability 10000 pcs/month
Packaging Details Neutral Package or as customers’ request
Spline Count 21 teeth
Payment Terms T/T,Western Union
Spring Configuration 10 torsion springs
Outer Diameter 325 mm
Certification ISO/TS16949
Place of Origin China
Brand Name YIMI
Model Number ISUZU NPR 4HE1-TC

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  1. Product Details
  2. Company Details

Product Specification

Inner Diameter 215 mm Facing Thickness 14 mm
Facing Material Organic/metallic composite Hub Height 35.3 mm
Delivery Time 5-8 Work Days Weight 3.0–3.5 kg
Supply Ability 10000 pcs/month Packaging Details Neutral Package or as customers’ request
Spline Count 21 teeth Payment Terms T/T,Western Union
Spring Configuration 10 torsion springs Outer Diameter 325 mm
Certification ISO/TS16949 Place of Origin China
Brand Name YIMI Model Number ISUZU NPR 4HE1-TC
High Light Heavy Duty 325mm clutch disc21-Spline ISUZU NPR clutch plateDirect replacement clutch for 4HE1-TC
Clutch Disc 8-98164918-0 for ISUZU NPR 4HE1-TC

Heavy Duty 325mm 21-Spline Truck Clutch Disc — OEM: 8981649180, 5876101050

Product Overview

The Clutch Disc (Clutch Plate) with OEM numbers 8-98164918-0 and 5-87610105-0 is a verified direct-fit replacement for ISUZU NPR (NPR 4.8L, NPR HD), NQR, and 700P series medium-duty trucks equipped with the 4HE1-TC (4HE1T) 4.8L turbo-diesel engine or 4HK1 engine, paired with the MZZ6U manual transmission.

This heavy-duty disc is specifically engineered for the 350–430 Nm (258–317 lb-ft) of torque produced by the 4HE1-TC engine, ensuring reliable torque transfer, shock absorption, and smooth engagement under heavy commercial vehicle loads.

Technical Specifications
ParameterSpecificationNotes
Outer Diameter325 mm (13 inches)Standard for 4HE1/4HK1 engine clutch system
Inner Diameter (ID)215 mmMatches pressure plate and flywheel contact surface
Facing Thickness14 mmService life indicator — check wear at regular maintenance intervals
Hub Height35.3 mmCritical for correct release fork alignment and clutch disengagement
Spline Count21 teethMatches MZZ6U transmission input shaft
Spring Configuration10 torsion springsSuperior damping for 4-cylinder diesel torsional vibration
Facing MaterialHigh-grade organic/metallic compositeAsbestos-free, high coefficient of friction, heat resistant
Vehicle Compatibility
ComponentDetails
Engine ModelIsuzu 4HE1-TC / 4HE1T (4.8L turbo diesel), 4HK1 (5.2L turbo diesel)
Engine PowerApprox. 125–160 hp (93–119 kW) @ 2,800 rpm
Engine TorqueApprox. 350–430 Nm (258–317 lb-ft) @ 1,600–1,800 rpm
Transmission ModelMZZ6U (6-speed manual)
Vehicle ModelsISUZU NPR, NPR HD, NPR 4.8L, NQR, 700P Series
Manufacture Years1995–2004 (4HE1 engine production period)
Technical Clarification: The Isuzu 4HE1 engine family includes both naturally aspirated (4HE1, 4HE1-X) and turbocharged (4HE1-T, 4HE1-TC) variants. This clutch disc is specifically designed for turbocharged applications (4HE1-TC) due to the higher torque output.
Product Image
ISUZU NPR Clutch Disc 8-98164918-0 - 325mm 21-spline heavy duty truck clutch component
Part Number:8-98164918-0 8981649180 5876101050Product Name:Clutch Disc
Car Model:ISUZU NPREngine Model:ISUZU 4HE1-TC
Condition:100% Brand NewQuality Standard:OEM equivalent / ISO quality control
Features & Benefits
Precision-engineered 325mm diameter
Full friction surface contact with 4HE1 flywheel — maximizes torque transfer capacity (handles 430 Nm/317 lb-ft safely).
21-tooth splined hub
Eliminates driveline backlash and noise — ensures smooth engagement with MZZ6U transmission input shaft.
High-grade composite facing
Superior heat dissipation and wear resistance — longer service life under heavy-duty truck operation.
10-torsion spring damper hub
Superior vibration damping — absorbs 4-cylinder diesel engine pulsations and driveline shock.
Heat-treated rivets
Positive facing retention — prevents facing separation under high torque loads in severe-duty applications.
IATF 16949 certified manufacturing
Consistent OEM-level quality — produced under internationally recognized automotive quality standards.
Common Failure Indicators
  • Clutch slipping — Engine RPM rises but vehicle speed does not increase proportionally, especially under load
  • Clutch judder / chatter — Vibration or jerking during clutch engagement from a stop
  • Difficulty shifting gears — Incomplete clutch disengagement due to worn or warped disc
  • Squealing or grinding noise — When depressing the clutch pedal, indicating facing wear down to the rivets
  • Oil or grease contamination — If seals leak, fluid can soak the facing, causing slippage
  • High mileage (>200,000 km) — Preventive replacement during clutch system overhaul
Installation Requirements
⚠️ IMPORTANT: Clutch disc replacement on ISUZU NPR 4HE1-TC requires transmission removal and specialized tools. Professional installation by qualified mechanics strongly recommended.

Critical Tools Required:

  • Transmission jack (adequate capacity for NPR's heavy transmission)
  • Torque wrench (5–200 Nm range)
  • Clutch alignment tool with 21-tooth spline — critical for centering the disc
  • Flywheel resurfacing equipment (optional, by machine shop)

Recommended Replacement Components: Always replace clutch disc + pressure plate + release bearing together for optimal service life.

Quality Assurance

Manufactured in IATF 16949 certified facilities, ensuring consistent OEM-level quality and compliance with rigorous automotive industry requirements.

QC ItemVerification Method
Facing friction coefficientSAE J661 standard dynamometer test
Spline dimensional accuracyCMM inspection against OE blueprint
Spring load rateSpring dynamometer compression testing
Parallelism and runoutDial gauge measurement (runout ≤0.15 mm)
Thermal cycle endurance500 cycles from ambient to 300°C facing temperature
Packaging & Supply
  • Individually sealed in anti-rust VCI paper and protective plastic bag
  • Packed in heavy-duty foam-lined carton for freight protection
  • Bulk wholesale: 20–50 discs per master carton with dividers
  • Shipping dimensions: Approx. 33×33×5 cm (13" × 13" × 2")
  • Weight: Approx. 3.0–3.5 kg

Note: Alignment tool, pressure plate, release bearing, and flywheel bolts are not included.

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 automotiv... 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 automotiv...

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Get in touch with us

  • Reach Us
  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • 4F, 7th, No. 2, South Jinguu Road, Huadong Town, Huadu District, Guangzhou City
  • https://www.isuzucarsparts.com/

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