GROUNDWORK — 21V379000: Tires and wheels recall for FORD F-350 SD / FORD F-450 SD FORD F-350 SD / FORD F-450 SD: check the listed vehicles, the reported issue and the manufacturer remedy for 21V379000. Keep the official status and service answers in one private record. Campaign: 21V379000 Official record checked: 2026-10-19T20:40:28.191Z Official campaign: https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=21V379000 Official VIN lookup: https://www.nhtsa.gov/recalls LISTED VEHICLES (VIN confirmation required) 2021 FORD F-350 SD 2021 FORD F-450 SD OFFICIAL REPORTED ISSUE Ford Motor Company (Ford) is recalling certain 2021 Super Duty F-350 and F-450 vehicles equipped with a fifth wheel left-hand mounting bracket that may be cracked. OFFICIAL REPORTED CONSEQUENCE A cracked mounting bracket could result in the fifth wheel detaching from the vehicle while towing, increasing the risk of a crash. OFFICIAL REPORTED REMEDY Dealers will inspect the mounting bracket, and replace the bracket if necessary, free of charge. Owner notification letters were mailed on June 16, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S23. OFFICIAL NOTES Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. OWNER PREPARATION Use the campaign description to identify the component being discussed. Do not loosen hardware, lift the vehicle or operate a suspect accessory to test the reported failure. REMEDY TIMING IN THE DATED SOURCE Confirm current remedy arrangements The source does not explicitly establish current remedy availability. Ask the manufacturer about the applicable remedy, required parts or software, appointment arrangements and any interim instructions. Current availability for your VIN: unconfirmed. YOUR SERVICE QUESTIONS 1. Does the manufacturer confirm that campaign 21V379000 applies to this VIN, including the report’s equipment and production restrictions? A matching model and year is only a starting point. The official lookup or manufacturer must establish the individual vehicle’s status. Discussion status / answer: __________ 2. What remedy, required parts or software, and appointment arrangements are currently available for this VIN, and which interim instructions apply? The source does not explicitly establish current remedy availability. Ask the manufacturer about the applicable remedy, required parts or software, appointment arrangements and any interim instructions. Discussion status / answer: __________ 3. Which tire, wheel, attachment or related accessory is covered, and how will the completed remedy be documented? Compare the answer with the reported component: TRAILER HITCHES:FIFTH WHEEL ASSEMBLY. Discussion status / answer: __________ 4. If an inspection determines which work is needed, what was inspected, what was found, and which corrective work followed? Ask for the inspection result as well as the final action. A parts list alone may not describe an inspection-based remedy. Discussion status / answer: __________ 5. Which items in the reported replacement remedy for 21V379000 were replaced, and are they identified on the work order? Keep the replaced items and the campaign number together so that a later visit can distinguish recall work from other repairs. Discussion status / answer: __________ 6. What dated document records the remedy performed under 21V379000, and what should I do if the reported concern remains? Keep campaign completion and unresolved symptoms as separate questions. A saved worksheet or booked appointment does not establish a repair. Discussion status / answer: __________ OFFICIAL LOOKUP DECISIONS Not checked or unavailable: eligibility remains unconfirmed; use the official lookup or manufacturer. Campaign listed as open: confirm current instructions, availability and remedy arrangements. Campaign not listed as open: reconcile repair history and lookup coverage with the manufacturer if needed. A zero-open result does not diagnose symptoms. Work order records completed recall work: keep the exact campaign and dated remedy record; report unresolved symptoms separately. YOUR RECORD Check date: __________ Official lookup result: __________ Service arrangement: __________ Existing observation: __________ Questions and work-order notes (no VIN or plate needed): __________ LOOKUP LIMITS A model/year match does not establish VIN eligibility. The official lookup may omit completed recalls, some recent campaigns or recalls outside its coverage. The listed defect does not prove the cause of a symptom on your vehicle. This guide supports owner preparation and does not provide a repair procedure.