2021 Ford Transit-350 Wagon maintenance schedule

The 2021 Transit-350 Wagon is part of the V363 generation (2015-2026), sold as a passenger van. 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 Transit-350 Wagon 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

Severe duty fleet: 5000

10,000 mi / 1 yearManufacturer
Engine air filterInspect, replace as neededManufacturer
Cabin air filter20,000 miManufacturer
Tire rotation

Check DRW if equipped

10,000 mi / 1 yearManufacturer
Brake fluid3 yearsManufacturer
Engine coolant100,000 mi / 6 yearsManufacturer
Transmission fluid

Severe cargo: 60000

150,000 miManufacturer
Spark plugs

EcoBoost: 60000

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

Severe AWD: 60000

150,000 miManufacturer
PCV valve100,000 miManufacturer
12V batteryInspect, replace as neededManufacturer

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, 6 qt
Coolant
Motorcraft Yellow
Transmission fluid
MERCON ULV

Powertrains in this generation

  • 3.5L 6-cyl (Ti-VCT), 275 hp, 10AT, RWD/AWD
  • 3.5L 6-cyl (EcoBoost), 310 hp, 10AT, RWD/AWD

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 Transit-350 Wagon 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.

10R80 shifting

medium severity

30,000-50,000 mi · $0-$1,500 to fix

Hard shifts / hesitation

Source: repairpal.com

Safety recalls

4 NHTSA recalls for the 2021 Ford Transit-350 Wagon

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.

Equipment adaptive/mobility

NHTSA 25V876000

December 2025

Rollx Vans (Rollx) is recalling certain GMC Yukon, Sierra, Chevrolet Express 2500, Ford Transit, E-250, Toyota Sienna, Sienna Hybrid, Honda Odyssey, Chrysler Town and Country, Voyager, Pacifica, Dodge Grand Caravan, and Ram Promaster vehicles equipped with QRT-Deluxe and QRT-Max wheelchair restraints. Please refer to Rollx's recall report for specific model year information. The retractors may not lock, preventing the wheelchair from being properly secured.

Remedy: Rollx will work with Q'Straint to inspect and replace the retractors as necessary, free of charge. Owner notification letters were mailed February 5, 2026. Owners may contact Rollx's customer service at 1-800-956-6668.

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.

Fuel system, gasoline

NHTSA 23V499000

July 2023

Quality Vans (Quality Vans) is recalling certain 2020-2023 Ford Transit vans equipped with Onan QG 2800i EVAP generators, part number 2.8HGLAA-8303A. The fuel hose between the inline fuel filter and the Injection Pump Module (IPM) may not be properly secured, which can cause a gas leak.

Remedy: Dealers will inspect and replace the fuel hose and clamps as necessary, free of charge. Owner notification letters were mailed August 4, 2023. Owners may contact Quality Vans customer service at 1-480-464-7007.

Seat belts

NHTSA 21V592000

July 2021

Ford Motor Company (Ford) is recalling certain 2021-2022 Transit and 2021 Transit Connect vehicles. The front passenger seat belt automatic locking retractor (ALR) may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Remedy: Dealers will inspect the front passenger seat belt assembly, and replace the assembly as necessary, free of charge. Interim owner notification letters were mailed on September 14, 2021. Owner notification letters were mailed on December 30, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21C18.

Other Transit-350 Wagon model years

Shopping new? The Ford Transit-350 Wagon 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 Transit-350 Wagon for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2021 Transit-350 Wagon earns before you buy it.

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