1R0739 Oil Filter | Fleetguard LF667 Compatible Heavy-Duty Oil Filter

The 1R0739 oil filter is designed to provide reliable lubrication system protection for heavy-duty diesel engines used in generator, construction, and industrial applications. It effectively removes contaminants from engine oil, helping maintain stable oil pressure and reduce internal engine wear.

This model is widely used in Caterpillar-powered equipment and generator sets and is suitable for routine maintenance and spare parts stocking.

Key Features

  • High-efficiency engine oil filtration

  • Helps protect critical engine components

  • Heavy-duty metal housing for pressure resistance

  • Standard spin-on design for easy installation

Dimensions

  • Outer Diameter (OD): approx. 108 mm (4.25 in)

  • Height / Length: approx. 260–262 mm (10.3 in)

  • Thread Size: 1 1/8″-16 UNF

  • Gasket ID: approx. 90–92 mm (3.55 in)

  • Gasket OD: approx. 99–103 mm (3.88–4.05 in)

Cross Reference

Fleetguard: LF667

Applications

  • Heavy-duty diesel engines

  • Diesel generator sets

  • Construction and industrial equipment

Installation & Service Guide

  • Remove the old oil filter using a filter wrench.

  • Clean the mounting base and gasket surface.

  • Install the new 1R0739 oil filter and tighten securely.

  • Check for leaks after engine start-up.

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