The Overhaul Rebuild Kit for Isuzu 4LC1 Engine is engineered to deliver outstanding reliability and extended service life for your excavator. Whether you’re maintaining a Sumitomo SH40JX or an IHI 40JX, this complete kit ensures your engine regains optimal compression, reduced oil consumption, and restored efficiency.
Each component is manufactured with high-grade materials for durability under harsh working conditions. Designed for a perfect OEM-standard fit, this overhaul kit eliminates guesswork and ensures smooth, trouble-free engine performance after rebuild.
Included Components
✔ Pistons (Standard/Oversize Options)
✔ Piston Rings
✔ Cylinder Liners
✔ Full Gasket Set
✔ Main Bearings (STD/OS)
✔ Connecting Rod Bearings (STD/OS)
✔ Thrust Washers
✔ Valve Stem Seals
✔ Additional seals & consumables
Why Choose This Overhaul Kit?
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Ensures complete restoration of engine performance
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Reduces fuel consumption and oil leakage
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Improves power output and engine responsiveness
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Precision-engineered for Isuzu 4LC1 compatibility
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Suitable for excavators used in construction, earthmoving, and heavy-duty work
Frequently Asked Questions (FAQ)
1. Does this overhaul kit fit all Isuzu 4LC1 engines?
Yes, the kit is designed for all standard Isuzu 4LC1 engine configurations used in Sumitomo SH40JX and IHI 40JX excavators.
2. Are pistons and bearings available in oversize options?
Yes, oversizes are available upon request, including +0.25, +0.50, and +1.00 depending on the component.
3. Does the kit include a full gasket set?
Yes, the overhaul kit includes a complete gasket set with all seals required for a full engine rebuild.
4. Are these parts OEM or aftermarket?
Parts are high-quality OEM-grade aftermarket components designed to match original performance specifications.
5. Can this kit fix low compression issues?
Yes, replacing pistons, rings, and liners helps restore compression and improves overall engine performance.
6. Is international shipping available?
Yes, worldwide shipping is available with fast processing times.
Overhaul Rebuild Kit for Isuzu 4LC1 Engine Sumitomo SH40JX IHI 40JX Excavator
Engine Model: ISUZU 4LC1 Engine
Machine Model: OTHER BRAND, SUMITOMO
Application: SH40JX, 40JX
OEM Numbers:YN8-97176-612-00, 8-97176-612-0, YN89717661200, 8971766120




