WAI 6452NM Starter

Starter for heavy-duty applications

This WAI starter, part number 6452NM, is built for demanding commercial and motorhome applications that need reliable cranking performance. It uses a permanent magnet gear reduction design with a Delco family layout, and it is a 12-volt unit with clockwise rotation and a 9-tooth drive.

Compatible with a wide range of Chevrolet, GMC, Workhorse, Winnebago, Fleetwood, Tiffin, Thor Motor Coach, and Blue Bird applications, this starter is a direct-fit option for many 3-bolt flange mount setups. The 6452NM is engineered for vehicles that require consistent amp output and a specific mounting pattern.

• Permanent magnet gear reduction design for efficient starter operation
• 12-volt electrical system specification
• Clockwise rotation with 9-tooth drive engagement
• Flange mount construction for supported applications
• 100% new unit, not remanufactured

Fitment and application details

Fits 2001-2011 Tiffin Allegro Open Road, N/A; Fits 2002-2010 Tiffin Allegro Bay, N/A; Fits 2002-2010 Fleetwood Bounder, N/A; Fits 2001-2009 Workhorse W22, N/A; Fits 2003-2009 Chevrolet C4500 Kodiak, N/A. This part cross-references AMS Automotive 6452 and other listed interchange numbers for the same application.

Use this starter when replacing a worn unit that no longer delivers consistent cranking speed, shows intermittent engagement, or fails to turn the engine over reliably. It also addresses hard-start conditions tied to starter wear, drive wear, or electrical output loss.

Installation notes

Verify the mounting style, rotation, tooth count, and electrical specification before installation. Confirm the vehicle uses the matching 3-bolt flange mount or Delco PMGR configuration shown in the fitment notes. Compare the removed starter to part number 6452NM to confirm the correct application before final installation.

Quality assurance

WAI states that this starter is manufactured new with proprietary components and processes to support long service life and performance. The design is intended to provide the amp output needed for modern vehicle electrical demands.