The replacement cost of the piston rings will be quite expensive. The piston rings themselves only cost between $30 to $150 for the parts. However, most of the replacement cost has to do with the labor behind it. ... After they replace the piston rings, they must reassemble the engine and install it back into your vehicle.

How much does it cost to replace the piston rings?

On average, a mechanic can charge anywhere from $1,800 to as much as $3,500+ to replace a worn out piston ring/s. Even though the piston rings are cheap, almost all of the costs will be in the labor involved since it can sometimes take longer than 10 hours to pull apart the engine and put it back together again.

Is replacing piston rings a big job?

It's important to have piston rings that fit well in order for your car to perform properly. Replacing piston rings is a big job and most people will take their vehicle to a garage to have the work done. ... You only need some basic tools and a little time, along with the service manual for your vehicle.