Donaldson P550812 Engine Oil Filter

Engine Oil Filter Overview

Donaldson P550812 is a cartridge-style engine oil filter for heavy-duty diesel applications. It is built for lube filtration service and is listed for Kenworth and Peterbilt trucks across multiple model years.

Key Features

• Cartridge-style oil filter for engine lube filtration
• Efficiency ratings of 14 at 50% and 38 at 99%
• Primary application reference: DAF 1643070
• Dimensions: 220 mm length, 113 mm outer diameter, 2.32 mm inner diameter
• Donaldson P550812 for heavy-duty truck maintenance

Detailed Description

This Donaldson engine oil filter is a cartridge design intended for service intervals where clean oil flow is critical to engine protection. The P550812 is referenced for Kenworth T680, T880, T800, T660, and T700 models, as well as Peterbilt 567, 579, 365, 367, 389, and 384 applications. For buyers searching for a Donaldson P550812 oil filter for Kenworth T680 or Peterbilt 389, this part matches the listed lube filter cartridge applications and provides a direct service replacement reference.

The P550812 part number is also cross-referenced to Baldwin P40019 and Wix 57370 for the same application. Use the listed dimensions and application reference to confirm service match before installation.

What It Is Used For

• Replacing a worn or restricted engine oil filter
• Restoring proper oil filtration in cartridge-style service systems
• Addressing oil contamination that can accelerate engine wear
• Supporting routine maintenance on heavy-duty diesel trucks

Installation Notes and Tips

Verify the cartridge style, dimensions, and primary application reference before installation. Confirm the filter housing and service specification match the vehicle application, especially when ordering for Kenworth or Peterbilt trucks. The P550812 should be installed according to the engine service procedure for the specific application.

Quality Assurance

Donaldson is a recognized filtration brand used in heavy-duty engine service. The P550812 is built to meet the listed efficiency ratings and application references for professional maintenance use.