Labor costs are estimated between $56 and $82 while parts are priced between $353 and $361. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed. Cost of Replacement Parts The cost of replacement parts is a major factor in the. The average cost of replacing a car battery is $120. In addition, if you have a mechanic install the battery for you instead of doing the work yourself, you'll pay around $30 in. Ensure the replaced cells match the voltage and capacity of the existing ones. This battery powers your trailer's electric brakes in the event that your trailer accidently disconnects from your tow vehicle. Features: Sealed lead-acid batteryreplaces the battery that came with your trailer breakway kit Works.
