High-Quality Crankshaft Oil Seal & Gasket Kit

Precision-engineered for Caterpillar 3406, 3408, and C15 diesel engines to ensure optimal sealing performance under extreme pressure and temperature. Made from durable nitrile rubber with reinforced steel casing for superior wear resistance and extended service life.

Perfect Fit & Easy Installation

Direct OEM replacement (P/N: 142-5867, 142-5868) with exact dimensions for hassle-free front/rear crankshaft installation. Laser-cut fiber gasket prevents oil leaks and maintains consistent engine pressure.

Heavy-Duty Protection

Designed for industrial-grade applications in construction, mining, and trucking. Resists degradation from engine oils, fuels, and high RPM friction.

Cost-Effective Bulk Solution

Ideal for fleet maintenance or wholesale inventory. Ships globally at unbeatable wholesale pricing with no minimum order quantity.

Trusted Performance

Rigorously tested to meet Caterpillar OEM standards for compression, heat tolerance, and dynamic sealing efficiency.