2021 Ford Super Duty F-250 maintenance schedule

The 2021 Super Duty F-250 is part of the P558 generation (2017-2022), sold as a pickup. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2021 Super Duty F-250 needs, and when

All 12 of these items come from Ford's own published schedule. Manufacturer rows link to Ford's own schedule, Independent rows to a service shop or parts retailer's published guide.

ServiceIntervalSource
Engine oil and filter

Diesel severe: 5000

10,000 mi / 1 yearManufacturer
Engine air filter

Inspect at 15000

Inspect, replace as neededManufacturer
Cabin air filter20,000 miManufacturer
Tire rotation

Dually specific pattern

10,000 mi / 1 yearManufacturer
Brake fluid3 yearsManufacturer
Engine coolant

Diesel test additive

100,000 mi / 6 yearsManufacturer
Transmission fluid

Severe towing: 60000

150,000 miManufacturer
Spark plugs (Gas)

Gas models only

100,000 miManufacturer
Serpentine beltInspect, replace as neededManufacturer
Differential and transfer case fluid

Severe 4WD: 60000

150,000 miManufacturer
PCV valve (Gas)100,000 miManufacturer
12V battery

Diesel dual

3 yearsManufacturer

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.

Fluids and engines

What goes in it

Engine oil
5W-30 (Gas) / 10W-30 (Diesel), 7 qt
Coolant
Motorcraft Yellow
Transmission fluid
MERCON ULV/LV

Powertrains in this generation

  • 6.2L 8-cyl (Boss), 385 hp, 6AT, RWD/4WD
  • 7.3L 8-cyl (Godzilla), 430 hp, 10AT, RWD/4WD
  • 6.7L 8-cyl diesel (Power Stroke), 450 hp, 6AT / 10AT, RWD/4WD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2021 Super Duty F-250 owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

7.3L plug wire melt

high severity

10,000-30,000 mi · $10-$700 to fix

Misfire / CEL

Source: tfltruck.com

Safety recalls

12 NHTSA recalls for the 2021 Ford Super Duty F-250

From NHTSA's recall database, matched by model and year. Recall repairs are free at Ford dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Fuel system, diesel

NHTSA 26V158000

March 2026

Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, 2021-2022 F600, and 2022 F750 vehicles previously repaired incorrectly under recall number 24V957. Biodiesel deposits may form on the pump drivetrain roller components, which could lead to failure of the high pressure fuel pump.

Remedy: Dealers will update the powertrain control module (PCM) software, free of charge. Owner notification letters were mailed mailed April 7, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S17. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 18, 2026.

Back over prevention

NHTSA 25V686000

October 2025

Ford Motor Company (Ford) is recalling certain 2020-2022 F-250 SD, F-350 SD, and F-450 SD vehicles. The 360-degree view camera system may not display a rearview image properly in certain lighting conditions.

Remedy: Dealers will update the image processing module software, free of charge.This will be a phased campaign, with the remedy becoming available in different phases based on model years. Interim letters notifying owners of the safety risk were mailed on October 30, 2025. Additional letters will be mailed once the remedy is available on each phase. Owner notification letters were mailed May 19, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25SA8. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on October 13, 2025.

September 2025

Ford Motor Company (Ford) is recalling certain 2020-2021 F-250, F-350, and F-450 vehicles. The steering column upper shaft may detach from the steering column and result in a loss of steering control.

Remedy: Dealers will inspect the steering column, and repair or replace the upper shaft as necessary, free of charge. Owner notification letters were mailed February 20, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S94. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning September 23, 2025.

Fuel system, gasoline

NHTSA 25V455000

July 2025

Ford Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln Navigator, Mustang, F-150, and 2022 Expedition vehicles. The low-pressure fuel pump may fail, which can result in an engine stall while driving.

Remedy: Dealers will replace the low pressure fuel pump on super duty vehicles and update the powertrain control module (PCM) software on all other affected vehicles, free of charge. Owner notification letters were mailed July 27, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S75.

Back over prevention

NHTSA 25V442000

June 2025

Ford Motor Company (Ford) is recalling certain 2018-2022 Transit Connect, 2019-2020 MKZ, MKX, Edge, Continental, F-150, Nautilus, Fusion, 2019-2023 Ranger, Mustang, 2020-2021 EcoSport, Expedition, Navigator, 2020-2022 Escape, F-250 SD, Corsair, 2020-2023 Aviator, Transit, 2020-2024 Explorer, 2021-2024 Bronco Sport, and 2022-2024 Maverick vehicles. A software error may cause the rearview camera to display a blank image, or the image may remain on the display after the backing event has ended.

Remedy: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed September 4, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S72.

Back over prevention

NHTSA 25V048000

January 2025

Ford Motor Company (Ford) is recalling certain 2021 Expedition, 2021-2022 Super Duty F-250, F-350, F-450, F-550, F-600, and 2020-2022 Lincoln Corsair vehicles. The rearview camera may display a blank or distorted image.

Remedy: Dealers will replace the rearview camera as necessary, free of charge. Owner notification letters were mailed September 18, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S05.

Fuel system, diesel

NHTSA 24V957000

December 2024

Ford Motor Company (Ford) is recalling certain 2020-2022 F-Super Duty F250, F350, F450, F550, F600, and 2021-2022 F-650, F750 vehicles. Biodiesel deposits may form on the pump drivetrain roller components, which could lead to failure of the high pressure fuel pump.

Remedy: Dealers will update the powertrain control module (PCM) and Transmission Control Module (TCM) software, free of charge. Owner notification letters were mailed January 23, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S78.

June 2023

Ford Motor Company (Ford) is recalling certain 2018-2023 Expedition and Lincoln Navigator vehicles equipped with third-row seating; and 2019-2023 F-Super Duty F-250, F-350, F-450, and F-550 SuperCab vehicles. The owner's manual does not include instructions for adjusting or removing certain head restraints. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 202, "Head Restraints."

Remedy: Ford will mail the Owner's Manual addendums that describe how to adjust and remove the head restraints for the center seating positions, free of charge. Owner notification letters were mailed July 21, 2023. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 23C20.

Visibility

NHTSA 22V250000

April 2022

Ford Motor Company (Ford) is recalling certain 2020-2021 F-150, Expedition, 2020-2022 Super Duty F-250, F-350, F-450, F-550, and 2020-2021 Lincoln Navigator vehicles. The windshield wiper arms may break, causing the windshield wipers to fail.

Remedy: Dealers will replace both front windshield wiper arms, free of charge. Interim owner notification letters, informing owners of the safety risk, were mailed on May 24, 2022. Remedy parts are expected to be available 3rd Quarter 2022. Owner notification letters were mailed on October 21, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S26.

February 2022

Ford Motor Company (Ford) is recalling certain 2017-2022 F-250 and F-350 Super Duty vehicles equipped with gasoline engines and aluminum driveshafts. Underbody heat and noise insulators may loosen and contact the aluminum driveshaft, which could damage the driveshaft and cause it to fracture.

Remedy: Dealers will inspect and repair the driveshaft as necessary, and properly attach the underbody insulators, free of charge. Owner notification letters were mailed on April 7, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S09.

Fuel system, diesel

NHTSA 22V013000

January 2022

Ford Motor Company (Ford) is recalling certain 2021 Super Duty F-250, F-350, F-450, F-550, F-600, and Medium Duty F-650 and F-750 vehicles equipped with 6.7L diesel engines. A small void may be present in the top-center of the vehicle's underhood secondary fuel filter cap, which may progress to a pinhole over time, allowing fuel to leak from the top of the secondary fuel filter.

Remedy: Dealers will replace the primary and secondary fuel filters, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S01.

Visibility

NHTSA 21V090000

February 2021

Ford Motor Company (Ford) is recalling certain 2021 F-150 and 2020-2021 F-250, F-350, F-450, and F-550 Super Duty vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 212, "Windshield Mounting."

Remedy: Ford will notify owners, and dealers will remove and reinstall the windshield, free of charge. The recall began April 16, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21C06.

Other Super Duty F-250 model years

P708 (2023-2026)

P558 (2017-2022)

P473 (2014-2016)

Shopping new? The Ford Super Duty F-250 guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-18. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a Super Duty F-250 for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2021 Super Duty F-250 earns before you buy it.

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