Thermo King parts
Alternators
Powering productivity. Preventing downtime. Thermo King alternators deliver the stable electrical output required to power refrigeration systems, controllers and supporting components.

Options.
| Specification | Extended Life OE | Standard Life Plus |
|---|---|---|
| Amps | 37, 65 or 120 | 37, 65 or 120 |
| For TriPac APUs | TriPac 65 or TriPac 120 | TriPac 65 or TriPac 120 |
| Parts warranty | 2 years | 18 months |
- Extended Life OE
- Delivers the same performance and life as factory-new Thermo King components
- Extended Life OE
- Maximum corrosion resistance with epoxy powder coat paint and stainless steel hardware
- Standard Life Plus
- Completely new alternators deliver reliable performance you can count on
- Standard Life Plus
- Fully backwards-compatible for all applicable Thermo King units
- High-end components
- Thermo King alternators use stainless steel hardware as well as superior varnish and paint to perform better in corrosive environments
- Increased lifespan
- Thermo King alternators use high quality bearings and a proprietary regulator design to increase the life and performance of the alternator
- Proven reliability
- Thermo King alternators are engineered by Thermo King and extensively tested for optimum performance and reliability under extreme conditions
What it fits.
- Thermo King refrigeration units: 37, 65 and 120 amp, in Extended Life OE or Standard Life Plus
- TriPac APUs: TriPac 65 and TriPac 120
- Send the unit model and serial number, and the counter will match the alternator.
Three ways to order.
Call the counter
TKSE's shops have parts departments with genuine Thermo King parts and other OEM parts.
Call TKSESend a parts request
No part number? Send the unit model, the serial number, and the part or what it does.
Request this partBuy it online
Have the part number? Order on Thermo King's parts store. Ordering there takes a login that your shop sets up.
Thermo King parts store (opens in a new tab)
Questions
Extended Life OE or Standard Life Plus?
Extended Life OE delivers the same performance and life as factory-new Thermo King components, with epoxy powder coat paint and stainless steel hardware for maximum corrosion resistance. Standard Life Plus alternators are completely new and fully backwards-compatible for all applicable Thermo King units. Both come in 37, 65 and 120 amp, and for the TriPac 65 and TriPac 120.
How long is the warranty?
Extended Life OE has a 2-year parts warranty. Standard Life Plus has an 18-month parts warranty.
What does a good alternator protect?
Engineered to maintain consistent output, Thermo King alternators help protect batteries, wiring and critical electronics. OEM compatibility supports dependable performance while helping fleets limit disruptions and downtime caused by inconsistent power delivery.