Motor Coach Industries recalls 2017 D4505 buses with potential fuel leaks that could cause fire if near ignition sources. Owners must have rail inspected and replaced free by dealers.
A fuel leak in the presence of an ignition source increases the risk of a fire.
Motor Coach Industries is recalling certain 2017-2021 buses, including D4505 models, due to a fuel leak risk that could cause fire near ignition sources. This affects vehicles where the fuel rail assembly might leak, potentially creating a fire hazard. Read more at govinfonow.com/recall/1226201-mci-d4505-2017-recall-fuel-leak-fire-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/1226201-mci-d4505-2017-recall-fuel-leak-fire-risk · Updated October 4, 2026 · Official notice: NHTSA #21V364000
“MCI D4505 (2017) Recall: Fuel Leak Fire Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/1226201-mci-d4505-2017-recall-fuel-leak-fire-risk. Based on NHTSA recall 21V364000 (https://www.nhtsa.gov/recalls?nhtsaId=21V364000).
A sealing washer in the fuel rail assembly may not seat properly, causing fuel to leak. If the leak is near an ignition source like a spark or flame, it could ignite and cause a fire.
Owners of 2017-2021 MCI D4505 buses are affected. Drivers and passengers are at risk if the fuel leak occurs near ignition sources.
Check if your bus is a 2017-2021 MCI D4505 model. The recall covers specific years and vehicle types listed in the official notice.
Call 1-800-241-2947 to confirm your vehicle is affected and schedule a rail inspection.
Dealers will inspect the fuel rail threads and replace the rail if necessary at no cost.
Dealers will inspect the rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on June 28, 2021. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is R21-009.
The sealing washer may not seat correctly in the pilot bore holes, causing fuel leaks that could ignite near ignition sources.
Check if your bus is a 2017-2021 MCI D4505 model, as the recall covers specific years and vehicle types.
The recall notice does not specify a deadline for the repair; dealers will inspect and replace the rail as needed.
We’ve drafted a message you can send MCI to request your refund or repair — edit it as you like.
Subject: Recall 21V364000 — MCI MCI Hello, I own a MCI that is covered by recall 21V364000 from MCI. The official recall notice states: Dealers will inspect the rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on June 28, 2021. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is R21-009. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
