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Manufacturer recall number

Micro Bird recall 26-121-OUS

Micro Bird calls it 26-121-OUS. NHTSA filed it as campaign 26V287000 on May 6, 2026: engine and engine cooling on the 2023–2026 Micro Bird G5 School BUS and 1 other Micro Bird model, 902 vehicles potentially affected. One recall, two numbers — the dealer quotes the manufacturer’s, the federal record carries NHTSA’s.

What NHTSA has under this number

Source: 49 CFR Part 573 filings
NHTSA campaignVehiclesComponentFiledAffectedSeverity
26V2870002023–2026 Micro Bird G5 School BUS and 1 other Micro Bird modelEngine And Engine CoolingMay 6, 2026902critical
Problem Corp. Micro Bird, Inc. (Micro Bird) is recalling certain 2023-2026 G5 and 2024 MB II school buses built on a GM chassis and equipped with a second air conditioning compressor kit. The drive belt pulley may contact and damage the the oil lines. Risk A damaged oil like may leak, increasing the risk of a fire in the presence of an ignition source. Fix Dealers will secure the oil lines, free of charge. Owner notification letters are expected to be mailed June 29, 2026. Owners can contact Micro Bird Customer Service at 819-477-2012. Micro Bird's number for this recall is 26-121-OUS.

The manufacturer’s own words as filed for 26V287000. Every model year it covers, the build window and the filed PDFs →

Two numbers, one recall

Every safety recall carries two identifiers. 26-121-OUS is the number Micro Bird assigned in its own system: it is what appears on the owner letter, on the dealer’s service screen and on the repair order. 26V287000 is the number NHTSA filed the same recall under when the manufacturer reported it, and it is the one every federal record, this site included, is keyed on.

The repair is free by federal law for vehicles up to fifteen years old. Whether one particular vehicle is included is settled by its VIN against the manufacturer’s build list, not by its model year.

Check one specific vehicle

Both lookups check a VIN against the manufacturer’s own list and say whether the repair is still outstanding on that vehicle.

Common questions

Source: NHTSA, 49 CFR Part 573

Is 26-121-OUS the same recall as 26V287000?

Yes. 26-121-OUS is Micro Bird’s own number for it; 26V287000 is NHTSA’s. One recall, two references.

Which vehicles does 26-121-OUS cover?

2023–2026 Micro Bird G5 School BUS and 1 other Micro Bird model, 902 vehicles by the manufacturer’s count. A recall covers a build range, so the VIN decides whether one particular vehicle is in it.

Does the 26-121-OUS repair cost anything?

No. The manufacturer must remedy a safety defect at no charge for vehicles up to 15 years old from first sale.