The factory CP4 high-pressure fuel pump on the 6.7L Powerstroke can fail without warning and push metal debris through injectors, rails, and lines — a five-figure repair. We specialize in preventing that failure, eliminating it permanently, and rebuilding systems after it happens.
The CP4 pump was not designed for U.S. diesel fuel lubricity. When it wears internally, it sheds metal into the high-pressure fuel circuit — and by the time the truck stumbles, the contamination has usually reached the injectors and rails. Many failures happen between 60,000 and 80,000 miles with no warning at all.
Pricing reflects parts and labor for the listed fitment. Final quote may vary by truck condition and location. Fleet pricing available for multiple units.
| Disaster Prevention Kit | DCR Conversion | |
|---|---|---|
| Best for | Owners protecting a healthy fuel system on a budget | Owners who want the CP4 risk gone permanently |
| What it does | Contains pump debris before it reaches injectors, rails, and lines | Replaces the CP4 with a heavy-duty DCR pump |
| Long-term outcome | A pump failure stays a pump replacement — not a system rebuild | The failure point no longer exists on the truck |
| Investment | $1,400 installed | $4,700 installed |
Most CP4 failures give little or no warning — but if you see any of these, stop driving and call:
Continuing to run a failing CP4 pushes more metal downstream and turns a conversion into a rebuild.
Get It Checked
If your fleet runs F-250 through F-550 trucks on the stock CP4 pump, one failure can idle a truck for weeks and cost more than converting several. We schedule prevention and conversion work across multiple units at your yard — ask for fleet pricing.
Tell us your truck's year, mileage, and how it works for a living — we'll recommend the right option.