Donaldson P551807 Oil Filter – Heavy Duty Full-Flow Lube Filter

Donaldson P551807 Oil Filter

The Donaldson P551807 oil filter is a premium heavy-duty full-flow lube filter designed to provide maximum engine protection in demanding commercial and industrial applications. Built with high-quality cellulose filtration media, this filter effectively captures harmful contaminants while maintaining proper oil flow to critical engine components.

Engineered for extended service intervals and heavy-duty operating conditions, the P551807 delivers reliable performance for Caterpillar, Mack, Volvo, and various diesel engine applications requiring a high-capacity spin-on oil filter.

Key Features

• Premium full-flow spin-on oil filter
• 99% efficiency at 21 microns
• Heavy-duty cellulose filtration media
• Protects critical engine components from wear
• Designed for extended maintenance intervals
• Excellent cold-flow performance
• Heavy-duty construction for demanding applications
• OEM-quality fit and performance

Specifications

• Part Number: P551807
• Brand: Donaldson
• Filter Type: Lube / Oil Filter
• Filter Style: Spin-On Full Flow
• Media Type: Cellulose
• Micron Rating: 21 Micron Absolute
• Outer Diameter: 4.25 in
• Height: 10.31 in
• Thread Size: 1-1/8"-16
• Category: Engine Oil Filtration

Applications

Commonly used in Caterpillar, Mack, Volvo, construction equipment, heavy-duty trucks, power generation equipment, and industrial diesel engine applications requiring Donaldson P551807 oil filtration.

Cross Reference

This Donaldson P551807 oil filter replaces multiple OEM and aftermarket part numbers:

• Donaldson: P551807
• Caterpillar: 1R1807
• Fleetguard: LF3973
• Fleetguard: LF587
• Baldwin: B7225
• Baldwin: B7600
• Baldwin: BT55610
• Luber-Finer: LFP3236
• WIX: 57791
• FRAM: PH9376
• Mack: 21939298
• Volvo: 20539275
• Volvo: 21707136

Why Replace Oil Filters?

Engine oil filters play a critical role in protecting internal engine components from harmful contaminants. Replacing oil filters at recommended maintenance intervals helps extend engine life, maintain oil quality, and reduce costly engine repairs.

Protect Your Engine Investment

Heavy-duty diesel engines operate under extreme conditions and require clean oil for maximum performance and reliability. A high-quality oil filter helps maintain lubrication system efficiency and protects vital engine components from premature wear.

• Helps extend engine life
• Captures harmful contaminants
• Maintains proper oil flow
• Supports extended service intervals
• Ideal for fleet preventive maintenance programs

Why Choose Donaldson?

Donaldson is one of the most trusted names in heavy-duty filtration. Their filters are engineered to meet or exceed OEM requirements and are used worldwide in commercial trucking, construction, agriculture, and industrial applications.

Fitment Notice

Verify OEM filter numbers and application compatibility before ordering. Contact us with your VIN, engine serial number, or equipment information for fitment confirmation.