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Call or Text (352) 722-5295The 3.0L Power Stroke in the 2018-2021 F-150
Ford built this engine for one truck. The 3.0L is a 60-degree DOHC turbo-diesel V6 from the Ford/PSA Lion family, reworked by the team behind the 6.7L Super Duty engine and assembled in Dagenham, England. It uses a compacted-graphite iron block with cross-bolted main caps, a forged-steel crank, aluminum heads and a single Honeywell variable-geometry turbo with an electric vane actuator. Output never changed: 250 hp at 3,250 rpm and 440 lb-ft at 1,750 rpm in every model year. Every one was bolted to the 10R80 10-speed automatic, and none went into an F-250 or F-350. It wears the Power Stroke name, but its filters, glow plugs and service tools are not the 6.7L's.
The truck around it changed once. The 2018-2020 diesels are refreshed 13th-generation aluminum-body F-150s. The 2021 is the all-new 14th-generation truck with the same engine carried over. Ford closed diesel orders on July 16, 2021, so 2021 is the last model year. The diesel never came in a Regular Cab. In 2018, retail buyers got it on Lariat, King Ranch and Platinum, and fleet buyers could order it on XL and XLT. Ford rated it to tow 11,400 lb at launch and 12,100 lb in the 2021 towing guide.
What fails and why
The CP4 pump. Fuel leaves an in-tank electric lift pump, passes two filters, and reaches a Bosch CP4 high-pressure pump that feeds the common rail at up to 29,000 psi and the piezo injectors. The CP4 is the same pump family tied to debris failures on the 6.7L Power Stroke, LML Duramax and EcoDiesel. Wear on the roller follower and cam sheds fine metal that gets past the pump's screen. Low-lubricity fuel and running the tank dry are the named causes. Signs are sputtering, stalling, a no-restart, low rail pressure and metal in the fuel filter. Best case is a pump. Worst case is the rails, injectors, lines and tank.
The timing belt. The cams are driven by a cogged rubber belt behind the front timing cover, not a chain. It gives no warning before it fails, and a failure can mean valve-to-piston contact. The maintenance schedule calls for replacement at 150,000 miles, so plan it as a major service on a high-mileage truck.
The 10R80. On this truck the transmission, not the engine, carries most of the complaint history. At least five class-action suits allege harsh, erratic shifting on 10R80 vehicles: hard 1-2 and 2-3 shifts, a clunk on downshift, hesitation between gears. Recalls cover a missing roll pin that can lose the Park function (2018), shift-cable lock clips that let the gear differ from the lever (2018 and 2020), and on 2021 trucks a false low-fluid-pressure code that can drop the transmission into neutral.
Oil changes. Owners call them awkward. The drain plug is hard to reach, a baffle in the pan holds back roughly 3 quarts on a gravity drain, and short fills come up often on the owner forums. The engine takes 6.5 quarts with a Motorcraft FL2081 cartridge filter.
Just as useful is what isn't on the list. No documented failure pattern turned up for the turbo, the cooling system or the DPF and SCR system on these trucks.
Stock service vs. upgrades
Most of what keeps a 3.0L healthy is stock service done on time. Change the fuel filters (Motorcraft FD4627, primary and secondary) every 30,000 miles, or every 15,000 if you run biodiesel blends, and drain the water separator when the instrument panel asks. To protect the CP4, the documented routine is a lubricity additive at every fill-up, a tank kept above a quarter, and filters changed before the 30,000-mile mark. Run 5W-30 API FA-4 oil for normal use and 5W-40 API CK-4 for severe duty. Ford's schedule counts towing, idling and stop-and-go as severe duty, so a Florida truck that tows or runs short trips belongs on the 3,000 to 5,000-mile oil interval. The 10R80 takes MERCON ULV only, and on a truck that tows, treat the 150,000-mile fluid and filter service as a floor, not a target.
Upgrades on this engine are about support and data, not power. No drop-in turbo upgrade is listed for it, and the most useful add-on for a truck that tows is an OBD-II monitor that shows boost, EGT and transmission temperature. Owners report that a device left plugged into the OBD port can keep modules awake and run down the AGM battery, so unplug what you aren't using. Beyond gauges, the upgrades in this collection are supplemental fuel filtration, transmission cooling and a deeper cast-aluminum 10R80 pan. Exhaust work stays DPF-back: new piping from the particulate filter outlet rearward, with the DOC, DPF, SCR catalyst and DEF system left in place.
What we carry for the 3.0L F-150
This collection is built around service and support parts, with a few comfort and appearance items. By system:
- Fuel and filtration: FASS Titanium Signature Series lift pump systems listed for 2018-2019 trucks, FASS extended-length water separator and particulate filters and filter packs, fuel-system parts from Exergy Performance, and XDP fuel tank sumps.
- Additives and fluids: Lucas Oil additives, XDP Diesel Power Plus fuel additive and X-Factor oil additive, and Motorcraft MERCON ULV for the 10R80.
- Transmission and cooling: the BD Diesel 10R80 filter service kit, PPE heavy-duty cast-aluminum 10R80 pans in standard and deep versions, transmission coolers, coolant, and Mishimoto cooling parts.
- Exhaust: MBRP universal 4-inch 409 stainless mufflers and diesel resonators for DPF-back builds, plus PPE 3-inch and 4-inch stainless tips. More is in our exhaust section.
- Turbo and engine bay: PPE titanium turbo blankets and silicone hump couplers, Turbosmart constant-tension clamps, Dayco inner and outer serpentine belts, and XDP EGT and MAF sensors.
- Gauges: the Edge Products Insight CTS3 OBD-II monitor, EAS EGT kit and EAS pressure sensor.
- Suspension and brakes: BDS Suspension lift kits, the Daystar 2-inch Comfort Ride leveling kit, and brake parts.
- Tools and extras: XDP thread-cleaning chasers, the S&B flexible silicone tool tray, and the Big Hitch Products flip-up license plate bracket.
Fitment notes
Two splits decide most fitment. The first is engine. Filters, belts, sensors and other engine parts fit only the 3.0L diesel, not the F-150's 2.7L or 3.5L EcoBoost, 3.3L or 5.0L, and not the 6.7L Super Duty. Fuel-system parts for the Ram 1500 EcoDiesel or the GM 3.0L Duramax don't interchange either, even though all three are 3.0L half-ton diesels. Watch for listings that say 3.0L but mean the 3.0L Nano EcoBoost used in other Fords.
The second split is body. Suspension kits, brakes, steering parts, exterior trim and hitch receivers fit by generation, so a 2021 diesel needs 14th-gen parts even though the engine didn't change. Most DPF-back exhaust kits list 2018-2020 only. Several parts here carry narrower year ranges in their titles, like the FASS systems (2018-2019) and the XDP EGT and MAF sensors (through 2020), so read the listing. On leveling kits, owner guidance is to stay at 2.5 inches or less up front with about a 1-inch rear block, and to confirm with the kit maker that the diesel is covered on 4-inch-plus lifts. When in doubt, verify by VIN.
Frequently asked questions
Will 6.7L Power Stroke parts fit my F-150 diesel?
No. The 3.0L shares the Power Stroke name and not much else. The Motorcraft FD4627 fuel filter kit, the ZD22 glow plugs and their control module, and the cartridge oil filter housing are all specific to the 3.0L, and tools made for the 6.7L's spin-on filter don't apply. Shop by the 3.0L listing, not the badge.
How do I keep the CP4 pump alive?
Use a lubricity additive at every fill-up, keep the tank above a quarter, and change both fuel filters before the 30,000-mile interval. Never run it out of fuel, because running dry starves the pump of lubrication and is called out as a direct cause of damage. Sputtering, stalling, a no-restart and metal in the fuel filter are the warning signs.
My 10R80 shifts hard. What should I check first?
Run the VIN for open recalls before you buy parts. Campaigns 18V213, 18V214, 20V197, 22V188/25V169 and 26V402 cover 10-speed F-150s in this range, and the fixes are free. Harsh shifting is often improved with PCM and TCM reflashes, and the fluid must be MERCON ULV, not MERCON LV or generic ATF.
What battery does the diesel F-150 take, and can I go lithium?
It came with a single Group 49 (H8) AGM, Motorcraft BAGM-49H8-850. Replace it with an AGM the Battery Management System supports (H6, H7 or H8) and have the BMS reset so it charges the new battery correctly. Owner consensus is that lithium isn't an option on this BMS. If Auto Start-Stop bothers you, use the factory button or a plug-in memory module rather than unplugging the battery sensor.
Which coolant goes in a 3.0L Power Stroke?
Motorcraft Orange on 2018 trucks and Motorcraft Yellow on 2019-2021, mixed with distilled water. Don't top off one with the other. On an early-build 2019, check the reservoir cap or label instead of assuming by model year. For trucks that tow in Florida heat, the severe-duty coolant interval is 60,000 miles the first time, then every 45,000.
Do 2018-2020 parts fit a 2021 diesel?
The engine is the same, but don't assume. Several engine-bay parts here are listed 2018-2020 only, so match the year range on the listing. Body and chassis parts usually don't carry over: the 2021 is the 14th-generation truck with its own suspension kits, an electronic brake booster, different exterior parts and hitch fitment. The 2021 also has its own recalls, including driveshaft, steering gear and trailer brake controller campaigns, so run the VIN.
Not sure what fits? Call the shop at the number in the header, or use the fitment checker on any product page. We install everything we sell.