1R-0749 CAT Secondary Fuel Filter

The Caterpillar 1R-0749 is an Advanced Efficiency secondary fuel filter designed to provide high-level protection for diesel fuel injectors and sensitive engine components. It is a standard component across Caterpillar on-highway, off-highway, marine, and industrial diesel applications and is frequently used in Duramax diesel fuel filter conversions.

Key Specifications & Performance

• Filtration Efficiency: Offers 99% filtration efficiency at 3 microns.
• Micron Rating: 2-micron absolute rating.
• Media Type: Cellulose media designed for advanced particle removal.
• Dimensions: Height of 266 mm (approx. 10.75 in) and an outside diameter of 93.7 mm (3.75 in).
• Thread Size: 1-14 UN-2B thread.

Design Features

• Leak Prevention: Molded end caps and acrylic beads prevent pleat bunching and leaks.
• Construction: Includes a non-metallic center tube and spiral roving for greater pleat stability.
• Compatibility: Designed for various CAT engines including 3406B/C/E, C10, C12, C13, C15, and C16.

Cross-Reference & Equivalents

Commonly cited cross-references for the 1R-0749 include:

• Baldwin: BF7587
• Donaldson: P551311
• WIX: 33674
• Fleetguard: FF5319
• Fram: P8335
• Ryco: Z819

⚠️ Warning

This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.