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China factory - Yimi (Guangzhou) Automotive Parts Co, Ltd

Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
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  3. High-Strength Cast Iron Clutch Slave Cylinder with Automatic Adjustment Function
China High-Strength Cast Iron Clutch Slave Cylinder with Automatic Adjustment Function
China High-Strength Cast Iron Clutch Slave Cylinder with Automatic Adjustment Function

  1. China High-Strength Cast Iron Clutch Slave Cylinder with Automatic Adjustment Function
  2. China High-Strength Cast Iron Clutch Slave Cylinder with Automatic Adjustment Function
  3. China High-Strength Cast Iron Clutch Slave Cylinder with Automatic Adjustment Function

High-Strength Cast Iron Clutch Slave Cylinder with Automatic Adjustment Function

  1. MOQ： 10 pcs
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms T/T
Auto-Adjustment Function Automatic Adjustment Function
Mounting Bores Distance 63 mm
Delivery Time 5-8 Work Days
Thread Size M10 × 1
Drive Configuration LHD / RHD Compatible
Certifiion ISO/TS16949
Bore Size 1" (25.40mm)
Material High-Strength Cast Iron
Supply Ability 10000 pcs/month
Engine Compatibility ISUZU 4HL1 Diesel
Weight Approx. 0.88 kg
Packaging Details Neutral Package or as customers’ request
Model Number ISUZU NLR NMR 4HL1
Place of Origin China
Brand Name YIMI

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Auto-Adjustment Function Automatic Adjustment Function
Mounting Bores Distance 63 mm Delivery Time 5-8 Work Days
Thread Size M10 × 1 Drive Configuration LHD / RHD Compatible
Certifiion ISO/TS16949 Bore Size 1" (25.40mm)
Material High-Strength Cast Iron Supply Ability 10000 pcs/month
Engine Compatibility ISUZU 4HL1 Diesel Weight Approx. 0.88 kg
Packaging Details Neutral Package or as customers’ request Model Number ISUZU NLR NMR 4HL1
Place of Origin China Brand Name YIMI
High Light High-Strength Cast Iron Clutch Slave Cylinder ，Automatic Adjustment Function Hydraulic Clutch Cylinder ，1" (25.40mm) Bore Size Clutch Release Cylinder
Clutch Slave Cylinder 8-97310989-1 8973109891 for ISUZU NLR NMR 4HL1 — OEM Cast Iron with Auto-Adjust
Product Overview

The Clutch Slave Cylinder with OEM numbers 8-97310-989-1, 8-97310989-1, and 8973109891 is a verified direct-fit replacement for ISUZU ELF350, NLR, and NMR light-duty trucks equipped with the 4HL1 diesel engine.

Real Shop Test Data

Precision-engineered with 1" (25.40mm) bore size and M10×1 thread — verified against ISUZU OEM specifiions.

Proven Durability

Built with high-strength cast iron construction — rated for 200,000+ km under normal operation based on OEM-grade manufacturing standards.

Installation Success Rate

99% direct bolt-on fitment — confirmed across thousands of repair orders for ISUZU NLR/NMR vehicles.

OEM Cross-Reference Verified

Replaces 8-97310-989-1, 8-97310989-1, 8973109891, 20609094, CY-915, 85915, 08IZ011, 85-09-915.

ISUZU Clutch Slave Cylinder 8-97310989-1 OEM replacement part
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 — indies internal seal failure.
  • Difficulty Shifting Gears: Hard to engage or disengage gears, accompanied by grinding noises — the clutch is not fully disengaging.
  • Clutch Pedal Heavy or Stiff: Pedal requires excessive force to depress — indies hydraulic blockage or internal piston seizure.
  • 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 — indies worn piston seals.
  • Clutch Engagement Point Changes: Pedal engages very close to the floor or very high — indies failing internal seals or air in the system.
Vehicle & Engine Compatibility

Primary Appliions:

Brand Model Series Engine Years
ISUZU ELF350 N-Series 4HL1 Diesel 2007-Present
ISUZU NLR N-Series 4HL1 Diesel 2007-Present
ISUZU NMR N-Series 4HL1 Diesel 2007-Present
Important: This clutch slave cylinder is designed for ISUZU ELF350, NLR, and NMR models equipped with the 4HL1 diesel engine. Compatible with both Left-Hand Drive (LHD) and Right-Hand Drive (RHD) configurations. Features automatic adjustment function that compensates for travel changes caused by clutch disc wear, eliminating frequent manual adjustments. Please verify your vehicle's model code (ELF350/NLR/NMR) and engine code (4HL1) before ordering.
Features & Benefits
Feature Benefit + Verifiion Signal
OEM Specifiion — ISUZU Genuine Guarantees factory-fit quality and performance — verified by ISUZU OEM part numbers 8-97310989-1 and 8973109891.
High-Strength Cast Iron Construction Delivers exceptional durability and corrosion resistance under demanding commercial conditions — verified by precision casting from premium cast iron material.
1" (25.40mm) Precision Bore Ensures consistent hydraulic pressure for reliable clutch actuation — verified by OEM engineering standards.
Automatic Adjustment Function Automatically compensates for clutch disc wear, eliminating frequent manual adjustments — reduces long-term maintenance costs.
Direct Bolt-On Fitment No modifiions required — verified by 99% installation success rate.
LHD / RHD Compatible One part number fits both drive configurations — simplifies inventory management.
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" (25.40mm) bore size, 63mm mounting bore distance, and M10×1 thread match OE blueprint specifiions.
Material Hardness Cast iron composition analysis to verify structural integrity under high hydraulic pressure.
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 auto-adjustment mechanism function.
Durability Cycle Test 500+ hour fatigue testing to verify 200,000+ km service life.
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.
  • 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.

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.
  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.
  • MOQ: 50 PCS.
  • Delivery Time: 60 days.
  • Shipping Ports: NINGBO, SHANGHAI.
  • Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 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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