Clutch Slave Cylinder 8-97310990-0 8973109900 For ISUZU ELF350 NQR NLR 4HL1 2007-Onwards — OEM Cast Iron With Auto-Adjust
Basic Properties
Place of Origin:
China
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
ISUZU ELF350 NQR NLR 4HL1 2007-Onwards
Trading Properties
Minimum Order Quantity:
10 pcs
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
10000 pcs/month
Specifications
| Features: | Automatic Adjustment Function | OEM Part Number: | 8-97310990-0 / 8973109900 |
| Part Name: | Clutch Slave Cylinder | Engine Compatibility: | ISUZU 4HL1 Diesel |
| Vehicle Models: | ISUZU ELF350, NLR, NMR, NQR | Model Years: | 2007 Onwards |
| Bore Size: | 1" (25.40mm) | Distance of Mounting Bores: | 63 Mm |
| Thread Size: | M10 × 1 | Material: | High-Strength Cast Iron |
| Drive Configuration: | LHD / RHD Compatible | Weight: | Approx. 0.88 Kg |
| Condition: | Brand New — 100% Quality Inspected | Warranty: | 12 Months |
| High Light: | ISUZU ELF350 clutch slave cylinder,OEM cast iron clutch cylinder,auto-adjust clutch slave cylinder |
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Product Description
Clutch Slave Cylinder 8-97310990-0 8973109900 For ISUZU ELF350 NQR NLR 4HL1 2007-Onwards — OEM Cast Iron With Auto-Adjust
Product Overview
The Clutch Slave Cylinder with OEM number 8-97310990-0 (also listed as 8973109900) is a verified OEM-grade replacement for ISUZU NQR, NLR, and ELF350 series trucks equipped with the 4HL1 diesel engine. As a core component of the hydraulic clutch system, this cylinder converts hydraulic pressure from the clutch master cylinder into mechanical force to actuate the clutch fork, enabling smooth gear engagement and disengagement in commercial transport applications.
Fitment Note: This part is a direct alternative to 8-97310989-1 / 8973109891 (NAKOL BTE0207). Both numbers refer to the same clutch slave cylinder assembly and are interchangeable for these applications.
- Real Shop Test Data: Precision-engineered with 1" (25.40mm) bore size and M10 ×1 thread — verified against ISUZU OEM specifications
- Proven Durability: Built with high-strength cast iron construction — rated for 200,000+ km under normal operation
- Installation Success Rate: 99% direct bolt-on fitment — confirmed across thousands of repair orders for ISUZU NQR/NLR vehicles
- OEM Cross-Reference Verified: Replaces 8-97310990-0, 8973109900, 8-97310989-1, 8973109891, 20609094, CY-915, 85915, 08IZ011, 85-09-915
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 or goes to the floor without resistance — indicates 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 — indicates 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 — indicates worn piston seals
- Reduced Clutch Responsiveness: Noticeable delay or inconsistency in clutch engagement
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.
Product Specifications
| Part Number | 8-97310990-0 8973109900 |
| Product Name | Clutch Slave Cylinder |
| Car Model | ISUZU ELF350 NQR NLR |
| Engine Model | 4HL1 |
| Condition | 100% Brand New |
| Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
Vehicle & Engine Compatibility
Primary Applications:
| 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 |
| ISUZU | NQR | N-Series | 4HL1 Diesel | 2007-Present |
Important: This clutch slave cylinder is designed for ISUZU ELF350, NLR, NMR, and NQR 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/NQR) and engine code (4HL1) before ordering.
Features & Benefits
OEM Specification — ISUZU Genuine
Guarantees factory-fit quality and performance — verified by ISUZU OEM part numbers
Guarantees factory-fit quality and performance — verified by ISUZU OEM part numbers
High-Strength Cast Iron Construction
Delivers exceptional durability and corrosion resistance under demanding commercial conditions
Delivers exceptional durability and corrosion resistance under demanding commercial conditions
1" (25.40mm) Precision Bore
Ensures consistent hydraulic pressure for reliable clutch actuation — verified by OEM engineering standards
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
Automatically compensates for clutch disc wear, eliminating frequent manual adjustments
Direct Bolt-On Fitment
No modifications required — engineered as a direct match for the original cylinder
No modifications required — engineered as a direct match for the original cylinder
LHD / RHD Compatible
One part number fits both drive configurations — simplifies inventory management
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
Guarantees zero wear, immediate hydraulic performance, and full service life
Quality Control & Verification
Our manufacturing and inspection processes ensure every clutch slave cylinder meets or exceeds ISUZU OEM standards.
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 1" (25.40mm) bore size, 63mm mounting bore distance, and M10×1 thread match OE blueprint specifications |
| 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):
- Safely raise the vehicle and secure it on jack stands
- Locate the clutch slave cylinder on the transmission bell housing
- Disconnect the hydraulic line from the slave cylinder — plug the line to prevent fluid loss and contamination
- Remove the mounting bolts securing the slave cylinder to the transmission
- Remove the old slave cylinder and push rod
- Clean the mounting surface on the transmission thoroughly
- Install the new slave cylinder with the push rod correctly positioned
- Torque the mounting bolts to manufacturer's specified torque settings (refer to ISUZU workshop manual)
- Reconnect the hydraulic line and torque to specification
- CRITICAL: Bleed the clutch hydraulic system thoroughly to remove all air
- Check the clutch fluid level and top up with fresh DOT 3 or DOT 4 brake fluid as required
- 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 (plastic bag and kraft carton).
Payment Terms: T/T.
Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners.
Payment Terms: T/T.
Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners.
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