Bomag 05579045 Thermostat

The Bomag 05579045 Thermostat is a genuine OEM thermostat designed for a wide range of Bomag single drum rollers, tandem rollers, refuse and landfill compactors, and the MPH 122 recycler/stabilizer. Sourced directly from Bomag, this thermostat meets the exact specifications of the original component it replaces, ensuring correct coolant regulation from the first start-up. Compatible machines include BW-series single drum rollers such as the BW 145 D-3, BW 177 D-3, BW 213 D-3, BW 216 D-3, and BW 225 D-3, tandem rollers including the BW 161 AD-2, BW 174 AD, BW 184 AD, and BW 202 AD-2, BC-series refuse and landfill compactors such as the BC 571 RB, BC 671 RB, BC 771 RB, BC 772 RB, and BC 972 RB, and the MPH 122 recycler/stabilizer — making it a broadly versatile OEM cooling system component across the Bomag lineup.

Key Features

• OEM Cooling Precision — manufactured to Bomag's exact temperature rating and flow-valve calibration, so the engine reaches operating temperature correctly and holds it within the intended range
• Direct-Fit Installation — engineered to the same housing dimensions and seal interface as the original, dropping into the cooling circuit without modification
• Broad Bomag Compatibility — fits BW-series single drum rollers including the BW 145 D-3, BW 177 D-3, BW 213 D-3, BW 216 D-3, and BW 225 D-3; BW-series tandem rollers including the BW 161 AD-2, BW 174 AD, BW 184 AD, and BW 202 AD-2; BC-series refuse and landfill compactors including the BC 571 RB, BC 671 RB, BC 771 RB, BC 772 RB, and BC 972 RB; and the MPH 122 recycler/stabilizer
• Engine Temperature Stability — a properly functioning thermostat keeps the engine in its optimal thermal window, protecting against overheating and inefficient cold running that accelerate wear on internal components
• Fuel Efficiency Protection — correct thermostat operation ensures the engine warms to its designed operating temperature promptly, avoiding the excess fuel consumption and carbon build-up associated with a stuck-open or failed unit

The thermostat is the valve that controls coolant flow between the engine and the radiator. When the engine is cold, the thermostat stays closed, allowing coolant to circulate only within the engine block so it warms up quickly. Once the coolant reaches the designed operating temperature, the valve opens and routes hot coolant through the radiator to be cooled before returning to the engine. A thermostat that is stuck open keeps the engine running too cold, wasting fuel and increasing wear; one that is stuck closed causes rapid overheating and can lead to serious engine damage. Replacing a failed thermostat with a genuine OEM unit restores proper thermal management and protects the engine across every operating cycle.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.