Thermo King SB-III Alternator – 44-9572, 5D38604G01 – Discount Starter & Alternator

Need an alternator for your Thermo King SB-III?

This one's a direct fit for various Thermo King units, including those from around 1990.

It's a new alternator from Discount Starter & Alternator, so you're getting a solid piece without the dealership price.

Part numbers cross to 44-9572 and 5D38604G01, and the manufacturer part is 9-120-060-023.

It's brand new, still in the box, and comes with a 1-year warranty.

If your reefer unit's been running weak or the battery's not charging, this might be the fix.

Bolts right in—no mods needed.

Keep your refrigerated cargo cold and your rig running with a fresh alternator that won't quit.

Don't mess around with a dying unit; swap it out and get back on the road.