Protec PXL51398 Engine Oil Filter

Protec Engine Oil Filter PXL51398

The Protec PXL51398 engine oil filter is built for normal driving and routine oil service intervals up to 10,000 miles. It uses cellulose and resin media to trap dirt while supporting steady oil flow for everyday city and highway use.

Key Features

• Cellulose media with resin treatment for up to 96.5% dirt trapping efficiency
• Nitrile gasket for a secure seal at the filter base
• Solid metal end caps for positive sealing support
• Cartridge lube metal canister style
• 4.785 in. height, 3.371 in. outer diameter, 0.434 in. inner diameter
• Built for light-duty engine oil filtration in normal driving conditions

Fitment and Application

Compatible With Mercedes-Benz applications including Fits 1986-1991 Mercedes-Benz 420SEL, N/A; Fits 1986-1991 Mercedes-Benz 560SEC, N/A; Fits 1986-1991 Mercedes-Benz 560SEL, N/A; Fits 1986-1989 Mercedes-Benz 560SL, N/A; Fits 1984-1985 Mercedes-Benz 380SE, N/A; Fits 1981-1985 Mercedes-Benz 380SL, N/A; Fits 1984-1985 Mercedes-Benz 500SEC, N/A; Fits 1984-1985 Mercedes-Benz 500SEL, N/A; Fits 1982-1983 Mercedes-Benz 380SEC, N/A; Fits 1981-1983 Mercedes-Benz 380SEL, N/A; Fits 1981 Mercedes-Benz 380SLC, N/A; Fits 1970-1973 Mercedes-Benz 300SEL, N/A.

This part cross-references Gates 21398 and Hastings LF158 for the same application. The Protec PXL51398 is a direct-fit oil filter choice for Mercedes-Benz 300SEL, 380SL, 420SEL, and related models listed above.

What It Helps Address

• Excess dirt and debris circulating through engine oil
• Reduced filtration performance during normal oil change intervals
• Seal leakage at the filter interface
• Inconsistent filtration in city and highway driving
• Routine maintenance needs for Mercedes-Benz oil service

Installation Notes and Tips

Verify the filter dimensions and vehicle application before installation. Replace the filter during each oil service, and inspect the sealing surface for old gasket material or contamination before fitting the new unit. Follow the vehicle manufacturer’s oil service procedure and torque specifications.

Quality Assurance

Protec specifies this filter for traditional OE-recommended oil change intervals and everyday driving conditions. The cellulose and resin media, nitrile gasket, and metal end caps are selected to support consistent filtration and sealing performance.