OFFICIAL NHTSA RECALL

25E083000

Engine And Engine Cooling:cooling System:pump

Reported Dec 5, 2025 · Nova Bus (US) Inc.

Summary

Nova Bus (US) Inc. (Nova Bus) is recalling certain Ametek MCP and ECP water pumps. The impeller shaft may be loose, causing the pump to fail.

Consequence

A pump failure can cause a loss of drive power, increasing the risk of a crash.

Remedy

Nova Bus will inspect and replace the pump as necessary, free of charge. Owner notification letters were mailed January 30, 2026. Owners may contact Nova Bus customer service at 1-450-472-6410. Nova Bus' number for this recall is ER25510.

Notes

Not supplied in the source record.

This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.

Vehicle entries in this campaign

This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗