S&S Diesel Filter Head Upgrade for Disaster Prevention Kit 11-25 Ford 6.7L

Upgrade your S&S Disaster Prevention Kit with a rugged, serviceable spin-on return filter that enhances debris capture, simplifies maintenance, and preserves OE-style quick-connect reliability on 2011–2025 Ford 6.7L Power Stroke trucks.​

Overview

This billet filter head upgrade modernizes the return-side filtration of your S&S 6.7L Disaster Prevention Kit by accepting a widely available Donaldson P550943 spin-on filter for faster, cleaner service and stronger debris management during a CP4 failure event. It’s a direct retrofit for Gen2 kits, bringing your system up to Gen2.1 serviceability without re-plumbing, and keeps OE-style quick-connects for a clean, leak-resistant install.​

Key benefits

• Better protection: Enhances debris capture on the CP4 case-return circuit to help keep contamination out of the tank, supply lines, rails, and injectors if a pump failure occurs.​

• Easier service: Uses the common Donaldson P550943 spin-on element so filter changes are fast, clean, and cost-effective at typical service intervals.

• Clean install: Retains OE-style quick-connect plumbing to minimize leaks and avoid debris from threaded joints or compression fittings.​

Features

• Billet aluminum filter head engineered for S&S Gen2.1 Disaster Prevention systems.​

• Accepts Donaldson P550943 spin-on filter; replacements are easy to source and stock.​

• Direct retrofit for S&S Gen2 kits with compatible mounting and quick-connect geometry.​

How it works

The Disaster Prevention Kit reroutes CP4 case fuel away from the clean supply, filtering return flow before it re-enters the tank; this upgrade improves that path with a billet head and high-efficiency spin-on element for superior debris control and simpler maintenance. Gen2.1 architecture also relocates the supply split upstream to further reduce risk of back-feeding contamination to the clean side during a failure event.​

Fitment

• Ford 6.7L Power Stroke (2011–2025) when upgrading an S&S Disaster Prevention Kit to Gen2.1-style return filtration.​

• Ideal for existing Gen2 kit owners seeking improved serviceability and protection without a complete re-install.​

What’s included

• Billet filter head, Donaldson P550943 filter, and application-specific bushings/fittings as typically provided by upgrade bundles; verify exact contents before purchase.​

• Works with existing S&S Disaster Prevention Kit hoses and quick-connects for a straightforward retrofit.​

Part references

• Full kit: S&S CP4-6.7F-BP-G2.1 (for customers building a system from scratch).​

• Upgrade accepts Donaldson P550943 replacement filter for ongoing service.​

Who it’s for

• 6.7L Power Stroke owners running the S&S Disaster Prevention Kit who want Gen2.1-level return filtration, faster filter changes, and maximum protection against CP4 debris migration with minimal downtime.