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10_91b34061-a7ae-454a-a559-bb364b269acf - Northline Parts

New Belt Set 78-629 78-603 78-1341 for Thermo-King SB190 SB200 SB210 SB230 SB310

Alligator_819_x_200_px - Northline Parts

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$88.29
Sale price  $88.29 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

New Belt Set 78-629 78-603 78-1341 for Thermo-King SB190 SB200 SB210 SB230 SB310

Keep your refrigeration unit operating at peak efficiency with this high-quality aftermarket belt set. Specifically designed to fit a wide range of Thermo-King SB series units, this comprehensive replacement kit ensures reliable performance and helps prevent unexpected downtime. This set is a premium aftermarket alternative to OEM parts, offering durability and a precise fit for your transport cooling needs.

Key Features & Benefits

  • Complete replacement kit including part numbers 78-629, 78-603, and 78-1341.
  • High-performance aftermarket construction designed for long-lasting service life.
  • Engineered to meet standard operational specifications for heavy-duty refrigeration.
  • Provides a cost-effective solution for routine maintenance and repairs.
  • Durable materials resistant to heat and wear in demanding environments.

Compatible Models

  • Thermo-King SB190
  • Thermo-King SB200
  • Thermo-King SB210
  • Thermo-King SB230
  • Thermo-King SB310

Product Specifications

  • Part Numbers Included: 78-629, 78-603, 78-1341
  • Condition: Brand New
  • Part Type: Aftermarket Replacement Belt Set
  • Application: Cooling and Refrigeration Units

Frequently Asked Questions

Is this an OEM part?
No, this is a high-quality aftermarket replacement part. It is designed to meet or exceed the performance of the original part at a more competitive price point.

How do I confirm compatibility?
You can confirm compatibility by matching the part numbers 78-629, 78-603, and 78-1341 with your current belts or by verifying your Thermo-King model number against the list provided above.


Important: This item is an aftermarket replacement part sold by Northline Parts. It is not an OEM part unless specifically stated. Any brand names, model names, or part numbers are used for compatibility reference only. Please verify fitment by comparing your original part, product photos, and vehicle or equipment details before ordering.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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