4BG1 / 4BG1T Engine Overhaul Gasket Kit for Kobelco SK100 SK135

Complete Sealing Solution for High-Vibration Diesel Engines

Furthermore, the 4BG1T engine gasket kit serves as the ultimate insurance policy during a major engine rebuild. Because the Isuzu 4BG1 engine operates under significant thermal stress, we utilize Multi-Layer Steel (MLS) for the cylinder head gasket to provide a superior combustion seal. Therefore, replacing your old, brittle gaskets with our reinforced kit prevents coolant-to-oil contamination and protects your engine block from expensive warping.

Comprehensive Gasket Kit Contents & Materials

Engineered to Exceed OEM Durability Standards

In addition to providing all necessary seals, our kit focuses on durability in harsh mining and earthmoving environments. Specifically, the valve stem seals utilize Viton material, which withstands temperatures that cause standard nitrile rubber to crack. Moreover, the crankshaft seals feature a high-precision dual-lip design to prevent dust ingestion and oil seepage. As a result, your rebuilt engine stays dry and maintains consistent oil pressure for thousands of operating hours.

Superior Quality for Professional Engine Restoration

First, our manufacturing facility uses laser-cutting technology to ensure that every gasket aligns perfectly with the Isuzu 4BG1 block and cylinder head ports. Subsequently, we subject our oil seals to 500-hour pressure testing to confirm they hold up under heavy load. As a result, our overhaul kits provide the same reliability as original components but at a much more competitive price point. Furthermore, our 6-month warranty protects your purchase, ensuring your SK100 or SK135 remains productive and leak-free on every job.