How much does this cost to the nearest dollar?

Dorman Diesel Exhaust Fluid Heater Compatible with Select Chevrolet/GMC Models (OE FIX)
The factory DEF heater on certain vehicles often fails from fluid intrusion. This Dorman OE FIX solution modifies the OEM design to address this failure point and increase reliability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. Chevrolet Silverado 2500 HD 2010, 2011 - Chevrolet Silverado 3500 HD 2010, 2011 - GMC Sierra 2500 HD 2010, 2011 - GMC Sierra 3500 HD 2010, 2011 Upgraded replacement - this diesel exhaust fluid (DEF) heater features additional protection from fluid intrusion Restores performance - designed to match the fit and function

Price is $167.00
Price: $166.78