WenmarOpen by Wenmar Pro

Service bulletin KC-2178

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10216852
Published by NHTSA2022-08-02
Manufacturer's numberKC-2178
Manufacturer's date2022-07-08
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Coolant Pump Conversion: Two-Speed To Single-Speed And Single-Speed To Two-Speed Accessory Kit

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
MACK MACK

Listing a model year does not mean every vehicle of it is concerned: the document says which.