We are pleased to announce the addition of two new products to our transport refrigeration parts portfolio: the 45-2325 Starter and 45-2257 Alternator. As a professional supplier of transport refrigeration components, we understand that reliable replacement parts are essential for refrigeration equipment distributors, maintenance companies, fleet operators, and service technicians.
With the continuous development of the transport refrigeration aftermarket, professional buyers are increasingly looking for replacement components that can be accurately identified by part number, application, and technical specifications. For this reason, we continue to expand our range of Thermo King New Products and provide customers with more options for sourcing essential refrigeration components.
The introduction of the 45-2325 Starter and 45-2257 Alternator strengthens our product offering and supports customers who require dependable Thermo King Parts for maintenance and replacement applications.
Introducing Our Latest Thermo King New Products
When we develop and add products to our portfolio, our primary consideration is practical application. Transport refrigeration equipment operates under demanding conditions, and components must work reliably as part of a larger mechanical and electrical system.
Starters and alternators are particularly important because they are directly related to the engine’s starting and electrical charging functions.
Our new product range currently includes:
Both products are intended for customers involved in transport refrigeration maintenance, aftermarket distribution, equipment servicing, and spare parts procurement.
For professional buyers, we recommend confirming the original part number, equipment model, application, and technical specifications before ordering. This is especially important when sourcing replacement parts for different refrigeration unit configurations.
45-2325 Starter for Transport Refrigeration Applications
The45-2325 Starter is one of the key additions to our latest product range.
A starter motor performs an essential function during engine startup. It provides the initial mechanical rotation required to start the engine, after which the engine can operate independently.
For refrigeration technicians and maintenance professionals, a starter failure can prevent the refrigeration unit from operating altogether. In transport refrigeration applications, this can potentially affect vehicle availability and maintenance schedules. Therefore, having the correct replacement starter available is an important consideration for service companies and parts distributors.
When sourcing an 45-2325 Starter, we recommend that buyers verify the original component number and relevant equipment information rather than selecting a replacement based solely on appearance.
Part-number identification can help procurement teams reduce the risk of ordering an unsuitable component. It can also make communication between distributors, technicians, and suppliers more efficient.
For customers purchasing for inventory, we also recommend considering expected equipment demand and maintenance frequency when determining stocking quantities.
45-2257 Alternator for Refrigeration Equipment
The second product in our latest release is the 45-2257 Alternator.
An alternator is an important part of the refrigeration unit’s electrical system. While the engine is running, the alternator generates electrical power and supports the charging system. Stable electrical performance is important for maintaining the operation of electrical components throughout the refrigeration system.
For this reason, selecting a suitable replacement alternator requires attention to more than just the product name.
Before purchasing a 45-2257 Alternator, professional buyers should check the original part number and compare relevant specifications. Depending on the equipment configuration, factors such as voltage, current output, mounting arrangement, pulley design, electrical connections, and application may need to be considered.
We encourage customers to provide as much original equipment information as possible when requesting a quotation. This allows us to review the replacement requirement more accurately and helps reduce the possibility of purchasing an incorrectly matched part.
Our Approach to Refrigeration Spare Parts
We consider Refrigeration Spare Parts to be an important part of maintaining the long-term performance of transport refrigeration equipment.
Regular maintenance and timely replacement of worn or failed components can help service teams keep equipment operating efficiently. For parts distributors, maintaining access to commonly requested components can also improve their ability to respond to customer requirements.
Our approach is to continue expanding our product portfolio while maintaining clear communication about product identification, applications, and purchasing requirements.
The 45-2325 Starter and 45-2257 Alternator are the latest additions to this effort. We will continue to monitor market requirements and develop additional products that can support professional refrigeration service and aftermarket supply.
What B2B Buyers Should Consider Before Ordering
Before placing an order for a refrigeration replacement component, we recommend that purchasing teams confirm several key details:
- First, check the original part number whenever possible. A complete part number provides a much stronger reference than a general component description.
- Second, confirm the equipment application. Different refrigeration units or engine configurations may use different specifications.
- Third, review the technical specifications of the replacement component, particularly for electrical products such as starters and alternators.
- Finally, consider the supplier’s ability to provide consistent product information and ongoing support. For B2B customers, a long-term supply relationship often requires more than a single successful transaction.
We believe that transparent communication and accurate product information are essential to building that relationship.
Expanding Our Product Portfolio
The launch of the 45-2325 Starter and 45-2257 Alternator represents another step in our ongoing product development.
We will continue to expand our Thermo King New Products portfolio according to the practical requirements of the transport refrigeration aftermarket. Our objective is to support professional buyers with a broader selection of components while making product identification and procurement as straightforward as possible.
For customers currently sourcing the 45-2325 Starter, 45-2257 Alternator, or other Thermo King Parts and Refrigeration Spare Parts, we welcome you to contact our team with the original part number, equipment model, or specific purchasing requirements.
We are committed to providing professional product information and supporting our B2B customers throughout the sourcing process.
Frequently Asked Questions
1. What information should I provide when purchasing the 45-2325 Starter?
We recommend providing the original part number, refrigeration unit model, engine information, and any available specifications. Providing the original component information allows us to review the application more accurately and helps reduce the risk of ordering an unsuitable replacement.
2. How can I confirm whether the 45-2257 Alternator is suitable for my equipment?
The original alternator part number should be used as an important reference. Buyers should also check the refrigeration unit model, electrical specifications, mounting configuration, pulley arrangement, and other relevant technical information. If you are uncertain, provide the available equipment and part-number information before ordering.
3. Are these Thermo King Parts available for wholesale or distributor purchasing?
Our product range is intended to support professional B2B customers, including parts distributors, refrigeration service companies, aftermarket suppliers, and fleet maintenance businesses. Customers with regular or bulk purchasing requirements can contact us to discuss their specific requirements.
4. How should professional buyers select Refrigeration Spare Parts?
We recommend selecting replacement parts based on part number, equipment application, technical specifications, and physical configuration. Buyers should avoid choosing critical components based solely on appearance, as similar-looking components may have different specifications or applications.
5. Why is part-number verification important when purchasing refrigeration components?
Part-number verification provides a reliable reference for identifying a replacement component. It can help procurement teams reduce ordering errors, improve inventory accuracy, and minimize unnecessary returns. For B2B buyers, accurate identification also makes communication between suppliers, distributors, and service technicians more efficient.
Nero Hu
International Sales Manager
Post time: Sep-01-2026

