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Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
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China Clutch Slave Cylinder 8-98004780-0 8980047800 8973494230 For ISUZU NPR NKR 4HF1
China Clutch Slave Cylinder 8-98004780-0 8980047800 8973494230 For ISUZU NPR NKR 4HF1

  1. China Clutch Slave Cylinder 8-98004780-0 8980047800 8973494230 For ISUZU NPR NKR 4HF1
  2. China Clutch Slave Cylinder 8-98004780-0 8980047800 8973494230 For ISUZU NPR NKR 4HF1
  3. China Clutch Slave Cylinder 8-98004780-0 8980047800 8973494230 For ISUZU NPR NKR 4HF1

Clutch Slave Cylinder 8-98004780-0 8980047800 8973494230 For ISUZU NPR NKR 4HF1

  1. MOQ: 10 pcs
  2. Price: Negotiable
  3. Get Latest Price
Vehicle Compatibility ISUZU NPR, NKR, N-Series
Delivery Time 5-8 Work Days
Weight Approx. 0.35 – 0.39 kg
Bore Diameter 1″ (25.4mm)
Certifiion ISO/TS16949
Warranty 12 Months
Payment Terms T/T
Part Name Clutch Slave Cylinder / CYLINDER; SLAVE
Thread Size M10 x 1.25
Material High-Grade Cast Iron
Condition Brand New — 100% quality inspected
Supply Ability 10000 pcs/month
OEM Part Number 8-98004780-0 / 8980047800 / 8973494230
Transmission Compatibility ISUZU MYY5T
Engine Compatibility ISUZU 4HF1, 4HG1
Packaging Details Neutral Package or as customers’ request
Model Number ISUZU NPR NKR 4HF1 4HG1 MYY5T
Place of Origin China
Brand Name YIMI

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  1. Product Details
  2. Company Details

Product Specification

Vehicle Compatibility ISUZU NPR, NKR, N-Series Delivery Time 5-8 Work Days
Weight Approx. 0.35 – 0.39 kg Bore Diameter 1″ (25.4mm)
Certifiion ISO/TS16949 Warranty 12 Months
Payment Terms T/T Part Name Clutch Slave Cylinder / CYLINDER; SLAVE
Thread Size M10 x 1.25 Material High-Grade Cast Iron
Condition Brand New — 100% quality inspected Supply Ability 10000 pcs/month
OEM Part Number 8-98004780-0 / 8980047800 / 8973494230 Transmission Compatibility ISUZU MYY5T
Engine Compatibility ISUZU 4HF1, 4HG1 Packaging Details Neutral Package or as customers’ request
Model Number ISUZU NPR NKR 4HF1 4HG1 MYY5T Place of Origin China
Brand Name YIMI
High Light ISUZU NPR clutch slave cylinderhydraulic clutch actuator 1 inch borecast iron clutch cylinder ISUZU
Clutch Slave Cylinder 8-98004780-0 8980047800 8973494230 For ISUZU NPR NKR 4HF1 4HG1 MYY5T — OEM 1″ Bore Cast Iron Hydraulic Clutch Actuator
Product Overview

The Clutch Slave Cylinder with OEM numbers 8-98004780-0 (also listed as 8980047800) and 8973494230 is a verified OEM-grade direct replacement for ISUZU NPR, NKR, and compatible N-Series trucks equipped with 4HF1 and 4HG1 engines, mated to the MYY5T manual transmission.

Important Fitment Note: This cylinder is specifically designed for vehicles equipped with the MYY5T manual transmission and 4HF1 or 4HG1 engines. Always verify your vehicle's transmission and engine codes before ordering.
OEM Specifiion
Verified by ISUZU OEM part numbers 8-98004780-0, 8980047800, and 8973494230
Precision 1″ (25.4mm) Bore
Delivers consistent hydraulic pressure for reliable clutch actuation
Proven Durability
Constructed from high-grade cast iron with premium sealing components for superior heat and corrosion resistance
Broad Compatibility
Fits ISUZU NPR, NKR, N-Series with 4HF1, 4HG1 engines and MYY5T transmission
ISUZU Clutch Slave Cylinder - OEM part 8-98004780-0
Failure Symptoms

If your clutch slave cylinder is failing, you may experience one or more of the following symptoms:

  • Soft or Spongy Clutch Pedal: Pedal feels unusually soft, spongy, or goes to the floor without resistance
  • Difficulty Shifting Gears: Hard to engage or disengage gears, accompanied by grinding noises
  • Clutch Pedal Heavy or Stiff: Pedal requires excessive force to depress
  • Clutch Drag / Incomplete Disengagement: Vehicle creeps forward with clutch fully depressed, or gears grind when shifting
  • Visible Fluid Leakage: Brake/clutch fluid seeping from the slave cylinder area
  • Clutch Engagement Point Changes: Pedal engages very close to the floor or very high
Warning: A failing clutch slave cylinder can lead to incomplete clutch disengagement, gear grinding, and potential transmission damage. Prompt replacement is essential to maintain safe and reliable vehicle operation.
Vehicle & Engine Compatibility
Brand Model Chassis / Series Transmission Engine
ISUZU NPR N-Series MYY5T 4HF1, 4HG1
ISUZU NKR N-Series MYY5T 4HF1
ISUZU N-Series Various MYY5T 4HF1, 4HG1
Important: This clutch slave cylinder is specifically designed for the ISUZU MYY5T manual transmission. Fits ISUZU NPR and NKR models with 4HF1 and 4HG1 engines. This cylinder is commonly used in NPR66, NKR66, and NPR71 chassis. Please verify your vehicle's transmission model (MYY5T), chassis code, and engine code before ordering.
Features & Benefits
Feature Benefit + Verifiion Signal
OEM Specifiion — ISUZU Genuine Equivalent Guarantees factory-fit quality and performance — verified by OEM part numbers 8-98004780-0, 8980047800, and 8973494230
Precision 1″ (25.4mm) Bore Delivers consistent hydraulic pressure for reliable clutch actuation — verified by dimensional specifiions
High-Grade Cast Iron Construction Provides exceptional durability and corrosion resistance under demanding commercial conditions — verified by material specifiions
MYY5T Transmission Compatibility Specifically engineered for ISUZU MYY5T manual transmissions — verified by transmission model compatibility
Direct Bolt-On Fitment No modifiions required — engineered as a direct match for the original cylinder
100% Pressure Tested Guarantees dependable operation and leak-free performance — verified by quality assurance testing
100% New — No Core Charge Guarantees zero wear, immediate hydraulic performance, and full service life — no core deposit required
Quality Control & Verifiion

Our manufacturing and inspection processes ensure every clutch slave cylinder meets or exceeds ISUZU OEM standards.

QC Item Verifiion Method
Dimensional Accuracy Precision inspection to verify 1″ (25.4mm) bore diameter, M10 x 1.25 threads, and mounting hole spacing match OE blueprint specifiions
Material Composition Cast iron analysis to verify structural integrity and corrosion resistance
Bore Surface Test 100% surface testing to ensure optimum sealing surface for pressure cups
Leakage Test 100% hydraulic pressure test to guarantee zero fluid leakage under operating conditions
Piston Function Test Full actuation test to verify smooth piston movement and seal integrity
Durability Cycle Test 500+ hour fatigue testing to verify long-term reliability under commercial vehicle operating conditions
Final Assembly Inspection 100% visual and functional inspection before packaging
Installation & Maintenance Recommendations
IMPORTANT: Professional Installation Recommended
Pre-Installation Checklist
  • Ensure the vehicle is securely supported on jack stands or a lift
  • Clean the area around the slave cylinder to prevent contamination
  • CRITICAL: Verify your vehicle has the MYY5T transmission — this cylinder is specifically designed for this transmission
  • Inspect the clutch hydraulic line for damage or corrosion — replace if necessary
  • Check the clutch fork and release bearing for wear while the slave cylinder is removed
  • Use new brake fluid (DOT 3 or DOT 4) from a sealed container
Installation Guidelines

(Reference ISUZU workshop manual):

  1. Safely raise the vehicle and secure it on jack stands
  2. Loe the clutch slave cylinder on the transmission bell housing
  3. Disconnect the hydraulic line from the slave cylinder — plug the line to prevent fluid loss and contamination
  4. Remove the mounting bolts securing the slave cylinder to the transmission
  5. Remove the old slave cylinder and push rod
  6. Clean the mounting surface on the transmission thoroughly
  7. Install the new slave cylinder with the push rod correctly positioned
  8. Torque the mounting bolts to manufacturer's specified torque settings (refer to ISUZU workshop manual)
  9. Reconnect the hydraulic line and torque to specifiion
  10. CRITICAL: Bleed the clutch hydraulic system thoroughly to remove all air (start with the slave cylinder)
  11. Check the clutch fluid level and top up with fresh DOT 3 or DOT 4 brake fluid as required
  12. Test the clutch pedal feel and verify smooth gear engagement before road test
Maintenance Schedule
  • Inspection: Every 50,000 km / 12 months. Check for fluid leaks, pedal feel, and smooth gear engagement
  • Fluid Replacement: Every 2 years or 40,000 km — replace clutch fluid to prevent internal corrosion
  • Replacement: Immediately if failure symptoms appear
Packaging & Supply
  • Packaging: Each clutch slave cylinder is securely packed in protective packaging to prevent shipping damage
  • Package Contents: 1 Clutch Slave Cylinder (Push rod included)
  • Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners

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 ... 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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