Best Power Stroke Fuel System Upgrades, Ranked
The Power Stroke fuel-system upgrades that keep a diesel fed and reliable — lift pumps, injectors, filtration, and rails for the 7.3, 6.0, and 6.7.
A diesel is only as reliable as its fuel supply. These upgrades keep your Power Stroke fed with clean fuel at steady pressure — the foundation for both longevity and power. New parts on Amazon, used/OEM on eBay Motors.
1. Aftermarket Lift Pump
A lift pump (FASS, AirDog, and similar) improves filtration, separates air and water, and holds steady supply pressure — protecting the expensive injection pump and injectors. This is the single best fuel-system reliability upgrade.
2. Fresh or Upgraded Injectors
Worn injectors cause rough running, smoke, and hard starts; high-flow injectors feed a bigger build. Match them to your power goal — stock replacements for reliability, high-flow for horsepower.
3. Filtration and Water Separation
Clean fuel is everything. Quality fuel filters and water separation protect the whole injection system, especially with today’s variable fuel quality.
4. Rails, Lines, and Regulators
Once supply and injectors are handled, fuel rails and lines keep pressure stable under load. This matters most on higher-power builds that demand consistent rail pressure.
5. Support It With Tuning
A tuner with fuel-pressure and EGT monitoring lets you watch the system work and keeps fueling safe as you add power.
Find these parts on eBay Motors
For used, OEM, and hard-to-find versions of these parts, eBay Motors is the marketplace — these open live listings for each one. Prices are set by the seller.