Front Oil Seal crankshaft | Isuzu 4JB1 / 4JB1T Engine

The Front Oil Seal Crankshaft for Isuzu 4JB1 / 4JB1T Engine ensures superior sealing performance and long-lasting durability under high-temperature and high-pressure conditions.
It’s built to OEM specifications, providing a perfect fit and reliable oil retention around the crankshaft’s front end.

This seal plays a crucial role in keeping engine oil inside while preventing dirt, dust, and debris from entering the crankcase.
Ideal for both standard and turbocharged Isuzu 4JB1 engines, it guarantees leak-free operation and helps extend engine life.

Manufactured using high-grade rubber and metal composite materials, this seal withstands continuous engine rotation and thermal cycles for long-term performance.

Key Features:

• Fits Isuzu 4JB1 and 4JB1T turbo diesel engines

• Provides an airtight seal on the crankshaft front end

• Prevents oil leakage and contamination ingress

• Made from heat- and oil-resistant materials for durability

• OEM standard fitment — no modifications required

• Ensures smoother crankshaft operation and extended lifespan

• Suitable for engine rebuilds, repairs, or replacements

Compatible Applications:

• Engines: Isuzu 4JB1 / 4JB1T (2.8L Diesel, Turbo & Non-Turbo)

• Applications:

  • Isuzu NPR, NKR, and ELF trucks

  • Industrial equipment and generators

  • Excavators and loaders using Isuzu 4JB1 / 4JB1T engines

  • Construction and agricultural machinery

Front Oil Seal crankshaft | Isuzu 4JB1 / 4JB1T Engine

OE Replacement: Not Available

Fits Following: Provide vin# or serial number for Model Information

Year: 2006-2014