Genuine Motorcraft RT-1249 Dual Thermostat 2011-2025 6.7L Powerstroke BC3Z-8575-E

Maintain proper engine temperature and cooling system performance with this Genuine Motorcraft Dual Thermostat Assembly, part number RT-1249 / BC3Z-8575-E, designed for 2011–2025 Ford 6.7L Powerstroke diesel engines.

This is the OEM factory dual thermostat unit, calibrated to operate at 90°C (194°F) and 94°C (201°F) for precise coolant flow and temperature control. Using a genuine Motorcraft thermostat ensures proper engine warm-up, consistent operating temperatures, and long-term reliability.

Features & Benefits:
- Genuine OEM Ford Motorcraft thermostat assembly
- Dual thermostat design for precise temperature control
- Maintains correct engine operating temperature
- Supports optimal cooling system efficiency
- Direct replacement for factory unit

Part Information:
Motorcraft Part Number: RT-1249
Ford Part Number: BC3Z-8575-E
Temperature Ratings: 90°C / 194°F & 94°C / 201°F
UPC: 031508133440

Replaces OEM Part Numbers: BC3Z-8575-A, BC3Z-8575-D, RT-1205, RT-1231

Fitment:
2011–2025 Ford F250/F350/F450/F550 Super Duty 6.7L Diesel

Why Buy From BackWoods Diesel?
- Fast and reliable shipping (ships same or next business day)
- Trusted diesel experts since 2017
- Genuine OEM and quality aftermarket parts
- Family-run business dedicated to Powerstroke, Duramax, and Cummins owners
- Guaranteed authentic parts—no counterfeits, no compromises