Donaldson P550952 Oil Filter | PACCAR MX-13, Kenworth & Peterbilt Lube Filter

Donaldson P550952 Oil Filter for PACCAR MX-13 Engines

The Donaldson P550952 Oil Filter is a premium spin-on lube filter engineered to deliver superior engine protection for PACCAR MX-13 diesel engines. Designed to remove harmful contaminants from engine oil while maintaining optimal oil flow, the P550952 helps protect critical engine components, reduce wear, and extend engine life in demanding commercial trucking applications.

Modern PACCAR MX-13 engines rely on clean lubrication to protect turbochargers, bearings, camshafts, valve train components, and emissions system hardware. The Donaldson P550952 captures dirt, soot, carbon particles, and other contaminants before they can circulate through the engine and cause premature wear.

Built to Donaldson's strict heavy-duty filtration standards, the P550952 provides reliable performance for owner-operators, fleets, and repair facilities looking to maximize uptime and reduce maintenance costs.

Key Features

• Premium heavy-duty spin-on oil filter
• Designed for PACCAR MX-13 diesel engines
• Protects against engine wear and contamination
• Maintains proper oil flow under load
• Heavy-duty steel canister construction
• Excellent contaminant holding capacity
• Supports extended engine life
• Fleet-proven Donaldson filtration technology
• OEM-quality performance and reliability

Specifications

• Part Number: P550952
• Brand: Donaldson
• Filter Type: Full-Flow Lube Oil Filter
• Style: Spin-On
• Application: PACCAR MX-13 Engines
• Outer Diameter: Approximately 4.65"
• Thread Size: M95 x 2.5
• Service Type: Heavy-Duty Diesel Engine Oil Filtration

The Donaldson P550952 is designed specifically for PACCAR MX-13 lubrication systems and is commonly used throughout Kenworth and Peterbilt truck platforms.

Benefits of Replacing Your Oil Filter

• Protects engine bearings and camshafts
• Reduces harmful engine wear
• Maintains oil cleanliness
• Supports turbocharger longevity
• Helps maximize oil life
• Improves engine reliability
• Reduces maintenance costs
• Helps increase engine service life

Common Applications

• PACCAR MX-13 Engines
• Kenworth T680
• Kenworth T880
• Kenworth W990
• Kenworth W900
• Peterbilt 579
• Peterbilt 567
• Peterbilt 389
• Regional Haul Trucks
• Long-Haul Trucks
• Vocational Fleet Applications

Major Cross Reference Numbers

• PACCAR 1922496PE
• PACCAR 1852006PE
• PACCAR 1526188PE
• Baldwin B7600
• Fleetguard LF17522
• WIX 57713
• NAPA 7713
• Luber-Finer LFP2295
• MANN W95026
• Hengst H701W
• Donaldson P551018
• Donaldson ELF7950
• TruckPro DNP550952

Always verify fitment by engine serial number and OEM specifications before ordering. Cross references can vary based on model year and engine configuration.

Why PACCAR MX-13 Oil Filtration Is Critical

The PACCAR MX-13 is designed for long service intervals and exceptional fuel efficiency, but achieving maximum engine life requires clean, properly filtered oil. Contaminants suspended in engine oil can damage bearings, turbochargers, piston rings, and valve train components.

Routine oil and filter changes are one of the most effective preventive maintenance practices available to fleets and owner-operators looking to reduce operating costs and maximize engine longevity.