Fleetguard LF678 | Lube Filter

Fleetguard® LF678 spin-on lube filter meets or exceeds OE performance requirements and the new challenges of modern engine technology. Engineered to meet or exceed original equipment (OE) performance standards, this heavy-duty, full-flow spin-on oil filter is built to handle the rigorous demands of modern diesel engine technology.

Cross-Reference Guide
Ensure a perfect fit for your equipment. The Fleetguard LF678 directly replaces or corresponds to the following major part numbers:

• Ryco: Z32
• Donaldson: P550020
• Baldwin: BT259
• Mann Filter: W936/4
• John Deere: RE506575, RE507204, AR58956, AT19044T, T19044, T19044T
• Caterpillar: 9Y4450, 3I1089
• Renault: 7701456922, 6005012109
• Motorcraft: FL175
• Bobcat / Clark / Melroe: 6511730

Featuring advanced filtration media, the LF678 traps up to 95% of harmful contaminants before they can reach critical engine components. Whether managing an agricultural tractor, a commercial fleet, or marine and industrial power systems, this filter provides robust protection against engine wear, reduces maintenance downtime, and extends overall engine life.

Key Benefits & Features

• Premium Engine Protection: High-efficiency full-flow media guards against abrasive contaminants throughout the entire service interval.
• Heavy-Duty Shell: Built with a durable metal canister designed to withstand high pressure and harsh operating environments.
• Dependable Fit & Seal: Includes a high-grade gasket engineered to prevent leaks under intense operational heat.
• Versatile Applications: Widely utilized across industrial, agricultural, and marine equipment, including mid-range John Deere PowerTech systems and small-bore Caterpillar engines.

Technical Specifications

• Filter Type: Full-Flow Spin-On Oil Filter
• Efficiency: 95%
• Thread Size: 13/16-16 UNS-2B
• Overall Length: 138.23 mm (5.44 in)
• Outer Diameter: 93.12 mm (3.67 in)
• Gasket Outer Diameter: 71.98 mm (2.83 in)
• Gasket Inner Diameter: 62.53 mm (2.46 in)
• Bypass Valve (BPV) Opening: 152 kPa (22 PSI)
• Anti-Drainback Standpipe: No