Clutch Slave Cylinder 8-98040043-0 8980400430 For ISUZU NMR NLR 4JJ1 3.0L Diesel — OEM Cast Iron Hydraulic Clutch Actuator
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Clutch Slave Cylinder 8-98040043-0 8980400430 For ISUZU NMR NLR 4JJ1 3.0L Diesel — OEM Cast Iron Hydraulic Clutch Actuator
Product Overview
The Clutch Slave Cylinder with OEM numbers 8-98040043-0 (also listed as 8980400430) is a verified OEM-grade direct replacement for ISUZU NMR and compatible NLR series trucks equipped with the 4JJ1 3.0L diesel engine.
Important Supersession Note: Part number 8-98040043-0 / 8980400430 is superseded by 8-98040043-1 / 8980400431. The newer revision (-1) is the direct replacement and fully interchangeable with the original -0 version.
- OEM Specifiion — Verified by ISUZU OEM part numbers 8-98040043-0, 8980400430, and supersession 8-98040043-1 / 8980400431
- Precision 7/8″ (22.2mm) Bore — Delivers consistent hydraulic pressure for reliable clutch actuation
- Proven Durability — Constructed from high-grade cast iron for superior heat and corrosion resistance
- Broad Compatibility — Fits ISUZU NMR, NLR, ELF models with 4JJ1 engine
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
- 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 for safe and reliable vehicle operation.
Vehicle & Engine Compatibility
| Brand | Model | Chassis / Series | Engine | Notes |
|---|---|---|---|---|
| ISUZU | NMR | N-Series | 4JJ1 3.0L Diesel | Primary appliion |
| ISUZU | NLR | N-Series | 4JJ1 3.0L Diesel | Compatible |
| ISUZU | ELF | N-Series | 4JJ1 3.0L Diesel | Compatible |
Important: This clutch slave cylinder is designed for ISUZU NMR, NLR, and ELF models equipped with the 4JJ1 diesel engine. The -0 version has been superseded by -1 — both are interchangeable for these appliions. Please verify your vehicle's chassis code, production year, and VIN before ordering.
Features & Benefits
OEM Specifiion — ISUZU Genuine Equivalent
Guarantees factory-fit quality and performance
Guarantees factory-fit quality and performance
Precision 7/8″ (22.2mm) Bore
Delivers consistent hydraulic pressure for reliable clutch actuation
Delivers consistent hydraulic pressure for reliable clutch actuation
High-Grade Cast Iron Construction
Provides exceptional durability and corrosion resistance
Provides exceptional durability and corrosion resistance
4JJ1 Engine Compatibility
Specifically engineered for ISUZU 3.0L diesel engines
Specifically engineered for ISUZU 3.0L diesel engines
Direct Bolt-On Fitment
No modifiions required — engineered as a direct match
No modifiions required — engineered as a direct match
100% Pressure Tested
Guarantees dependable operation and leak-free performance
Guarantees dependable operation and leak-free performance
100% New — No Core Charge
Guarantees zero wear and full service life
Guarantees zero wear and full service life
Quality Control & Verifiion
| QC Item | Verifiion Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 7/8″ bore diameter and mounting specifiions |
| Material Composition | Cast iron analysis to verify structural integrity and corrosion resistance |
| Bore Surface Test | 100% surface testing to ensure optimum sealing surface |
| Leakage Test | 100% hydraulic pressure test to guarantee zero fluid leakage |
| 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 |
| Final Assembly Inspection | 100% visual and functional inspection before packaging |
Installation & Maintenance
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
- Verify your vehicle's engine code (4JJ1) — this cylinder is specifically designed for this engine
- Inspect the clutch hydraulic line for damage or corrosion
- Check the clutch fork and release bearing for wear
- Use new brake fluid (DOT 3 or DOT 4) from a sealed container
Maintenance Schedule:
- Inspection: Every 50,000 km / 12 months
- Fluid Replacement: Every 2 years or 40,000 km
- Replacement: Immediately if failure symptoms appear
Packaging & Supply
- Packaging: Protective carton box packaging
- Country of Origin: Japan
- Delivery Time: 1-3 working days
- Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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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