Description
When you’re hauling fresh produce or keeping refrigerated trailers running all season long, there’s nothing more important than keeping that refrigeration engine running smooth. A dirty oil filter lets contaminants build up in the engine oil, causing wear on expensive compressor parts and potentially leaving you with a broken cooling system when you need it most. This Baldwin B128 keeps your Thermo King unit’s oil clean and flowing right.
What You’re Getting
- Heavy-duty construction that handles the constant start-stop cycles of refrigeration work
- Quality filtration media that traps contaminants while maintaining steady oil flow
- Precise 7 3/8 inch length and 4 1/4 inch outer diameter for proper fitment
- 3/4-20 thread size matches factory specifications exactly
- Built to Baldwin’s proven standards for commercial refrigeration applications
Built for Commercial Refrigeration Work
This filter is designed specifically for Thermo King refrigeration units that keep your cargo at the right temperature mile after mile. Whether you’re running a reefer trailer cross-country or operating refrigerated delivery trucks around town, these units work hard in all kinds of weather and road conditions. Clean oil is what keeps the compressor and engine components protected from the heat and stress of constant operation.
Made to Last
Baldwin filters have been protecting engines for decades with quality media that captures contaminants while maintaining proper oil flow. The sturdy construction handles temperature swings from hot summer days to cold winter runs, plus all the vibration that comes with over-the-road hauling. This isn’t just any filter—it’s built for the demanding world of commercial refrigeration.
Installation Notes
This is a spin-on filter that threads directly onto your Thermo King unit’s filter base. Apply a thin coat of clean oil to the gasket before installation, then hand-tighten three-quarters turn after the gasket contacts the mounting surface. Check your oil level after the change and keep a spare filter on hand for regular maintenance intervals.






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