International Motors Recalls IC Bus CESB School Buses Over Brake Line Leak Risk

Source: NHTSA · United States

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International Motors, LLC is recalling certain 2023-2027 IC Bus CESB school buses due to incorrect brake line hardware that may cause fluid leaks and increase crash risks.

What this NHTSA vehicle recall tells you, and what most readers miss

This notice was issued by NHTSA on March 4, 2026 and geographically references United States. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Vehicle Recalls — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NHTSA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NHTSA vehicle recall is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

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What Happened

International Motors, LLC (International) has issued a recall for specific school bus models due to a manufacturing defect in the braking system. The brake lines on these vehicles may have been installed using incorrect hardware. This error can lead to physical damage to the brake lines, potentially resulting in a brake fluid leak.

Which Products Are Affected

The recall involves approximately 4,393 units. The affected vehicles are:

  • Brand: IC Bus
  • Model: CESB School Buses
  • Model Years: 2023, 2024, 2025, 2026, and 2027

What You Should Do

International Motors will notify owners by mail, with letters expected to be sent out by April 27, 2026. Dealers will perform inspections and replace the brake lines and brake line retainers as necessary at no cost to the vehicle owners.

Owners may contact International's customer service at 1-800-448-7825. The internal recall number for this action is 26502. Additionally, Vehicle Identification Numbers (VINs) for the affected buses are expected to be searchable on the NHTSA website starting April 20, 2026.

Why This Matters

A brake fluid leak is a serious safety concern as it can significantly extend the distance required to stop the vehicle. In the context of a school bus, this malfunction increases the risk of a crash and threatens the safety of passengers and other motorists.

Source

Information provided by the National Highway Traffic Safety Administration (NHTSA), Campaign Number 26V111000.

Original source: NHTSA Official Notice ↗

All Vehicle Recalls →

Frequently Asked Questions

Common questions about this NHTSA vehicle recall.

What is this NHTSA vehicle recall about?
International Motors, LLC is recalling certain 2023-2027 IC Bus CESB school buses due to incorrect brake line hardware that may cause fluid leaks and increase crash risks.
Which agency issued this alert?
This alert was issued by NHTSA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects United States. Check with NHTSA for the most current geographic scope.
Where can I find more Vehicle Recalls updates?
Browse the full Vehicle Recalls feed on Areazine at areazine.com/recalls/vehicles/ for the latest updates from NHTSA and other agencies.