Standard Ignition SK125 Diesel High Pressure Oil Pump Seal Kit

Diesel High Pressure Oil Pump Seal Kit for Ford 6.0L

Standard Ignition SK125 is a diesel high pressure oil pump seal kit built for sealing service on select Ford Super Duty and van applications. It is designed around the oil line to oil pump mating surfaces to help maintain a proper seal in high-heat, high-load diesel operation.

Key Features

• High-temperature Viton O-rings for sealing in extreme heat conditions
• Oil-resistant, anti-corrosion sealing materials
• Gaskets included for service work at the pump connection
• Hardware included for installation support
• Designed for fitment on 2003-2004 Ford Excursion, F-250 Super Duty, F-350 Super Duty, and 2004 Ford E-350 Club Wagon and E-350 Super Duty

Detailed Description

Standard Ignition SK125 is a diesel high pressure oil pump seal kit for service on the oil pump connection area. The O-rings are made with Viton material to handle elevated temperatures, while the sealing components are engineered to resist oil exposure and corrosion. This helps maintain sealing integrity where the oil line meets the oil pump on Ford diesel applications, including 2003-2004 Ford Excursion and 2003-2004 Ford F-250 Super Duty.

This part cross-references 3C3Z9G804AA and 2-12381 for the same application. Standard Ignition SK125 is also referenced for 2004 Ford E-350 Super Duty service and related diesel oil pump seal replacement work.

What It Helps Fix

• Oil seepage at the high pressure oil pump seal area
• Loss of sealing at the oil line to pump connection
• Heat-related O-ring deterioration
• Oil contamination of worn sealing surfaces
• Service issues during diesel pump resealing on Ford Excursion and Super Duty models

Installation Notes and Tips

Clean the mating surfaces before installation and inspect the oil line and pump interface for wear, scoring, or contamination. Confirm vehicle application before service; SK125 fits 2003-2004 Ford Excursion, 2003-2004 Ford F-250 Super Duty, 2003-2004 Ford F-350 Super Duty, 2004 Ford E-350 Club Wagon, and 2004 Ford E-350 Super Duty.

Quality Assurance

Standard Ignition states that the sealing components are quality tested for longevity during demanding vehicle operation. The Viton O-rings and oil-resistant materials are selected to support consistent sealing performance in diesel service.