Clutch Master Cylinder with Adjustable Pushrod and EPDM Seals for Direct OEM Replacement in Isuzu NKR77
| Pushrod: | Adjustable (included) | Material: | Aluminum / Cast Iron Body, Plastic Reservoir |
| Bore Diameter: | OEM Specification (verify With Original) | Seals: | EPDM (DOT 3/4 Compatible) |
| Engine Displacement: | 3.0L (2999cc) | Mounting Torque: | 15-25 Nm |
| Cooling Type: | Engine Coolant Circulation | Fluid Type: | DOT 3/4 |
| High Light: | Clutch Master Cylinder for Isuzu NKR77,Adjustable Pushrod Clutch Cylinder,EPDM Seals OEM Replacement Clutch Cylinder |
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The Clutch Master Cylinder Assembly (OEM Numbers: 8-98117645-0 / 8981176450 and 8-97300211-0 / 8973002110) is a premium-quality, direct replacement hydraulic component designed for Isuzu NKR77 light-duty trucks equipped with 4JH1T or 4JJ1T diesel engines.
| Part Number | 8-98117645-0, 8981176450, 8-97300211-0, 8973002110 |
|---|---|
| Product Name | Clutch Master Cylinder Assembly |
| Car Model | ISUZU NKR77 |
| Engine Model | ISUZU 4JH1T (3.0L Turbo), 4JJ1T (3.0L Turbo) |
| Condition | 100% Brand New |
| Origin | China Mainland |
| Warranty | 6 Months |
Clutch master cylinder converts mechanical pedal force into hydraulic pressure to disengage the clutch. Enables smooth gear shifting and reliable clutch operation for Isuzu 4JH1T/4JJ1T diesel engines.
- OE Quality: Manufactured to Isuzu dimensional and performance specifications for perfect fit and reliable hydraulic operation
- Complete Assembly: Includes cylinder body, reservoir, pushrod, and seals - ready to install
- Precision-Bored Cylinder: Smooth internal bore ensures consistent piston movement and seal longevity
- High-Quality Seals: EPDM rubber resists brake fluid and temperature extremes, preventing leaks
- Transparent Reservoir: Easy fluid level inspection with "MIN/MAX" markings
- Adjustable Pushrod: Allows fine-tuning of pedal free play
- Restores Clutch Operation: Eliminates spongy pedal, difficult shifting, and fluid leaks
- Direct Replacement: Matches OE mounting holes and hydraulic line port
- Cost-Effective: Affordable alternative to genuine OEM
This clutch master cylinder is specifically designed for Isuzu NKR77 trucks with 4JH1T or 4JJ1T engines.
- ISUZU NKR77 (light-duty truck, 4JH1T / 4JJ1T)
- May also fit other Isuzu models with similar clutch system - verify compatibility
| Engine | Displacement | Type |
|---|---|---|
| 4JH1T | 3.0L (2999cc) | Turbo Diesel, OHV |
| 4JJ1T | 3.0L (2999cc) | Turbo Diesel, DOHC, Common Rail |
Installation steps (typical):
- Locate clutch master cylinder on firewall
- Drain old fluid from reservoir
- Disconnect hydraulic line (use flare nut wrench). Cap line
- Disconnect pushrod from clutch pedal (remove clevis pin)
- Unbolt master cylinder from firewall
- Compare new cylinder with old (mounting flange, pushrod length)
- Adjust pushrod length if necessary
- Install new cylinder and torque mounting nuts to specification (15-25 Nm)
- Reconnect hydraulic line (use new sealing washer if equipped)
- Reconnect pushrod to pedal with new cotter pin
- Fill reservoir with fresh DOT 3/4 fluid
- Bleed the clutch system (open bleeder on slave cylinder, pump pedal, close, repeat)
- Check pedal feel (firm, with 5-15mm free play). Adjust pushrod if needed
- Test drive
- Material Verification: Housing material and seal composition tested
- Dimensional Inspection: Bore diameter, mounting flange pattern, pushrod length verified against OE samples
- Leak Test (Hydraulic): Each cylinder tested for internal and external leakage
- Piston Movement Test: Smooth operation verified throughout full stroke
- Visual Inspection: 100% checked for casting defects, scratches, or damaged threads
- Packaged Safely: Cylinder sealed in plastic bag, boxed with foam
- Neutral export packing or customized packaging available
- Carton or wooden case for safe transportation
- Fast delivery for stock items
- Shipping by Express Air or Sea
For pricing, availability, or bulk purchase of the Clutch Master Cylinder 8-98117645-0 For Isuzu NKR77 4JH1T 4JJ1T 8981176450, please contact our sales team for a competitive quote and expert technical support.
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