17 Most Expensive Car Parts to Repair

Most Expensive Car Parts to Repair

Your vehicle is made up of thousands of parts, and some are drastically more expensive to repair.

We like to educate our readers on vehicle maintenance costs so they can make better-informed decisions about car buying or warranty options.

We’ll answer some questions about how to repair these parts and whether it may be better to replace the vehicle.

17 Most Expensive Car Parts to Repair

Here is the list of the 17 most expensive car parts to repair, starting from the most expensive to the least expensive.

Note that the actual repair or replacement cost will vary according to the manufacture and the model

1). Engine and Cylinders

Most Expensive Parts EngineAverage Cost - $10,000

It should come as no surprise that the engine and the cylinders are the most expensive part of any vehicle. After all, it is the heart of the driving component of any car, truck, SUV, or minivan.

2). Hybrid Car Battery

Average Cost - $6,000

If you drive a hybrid car, then you need to know about the repair and replacement cost of the battery. The battery is the second more expensive part of any hybrid car.

3). Transmission 

Average Cost - $4,000 - $5,000

The transmission handles all the shifting duties of a vehicle. Therefore, it will experience lots of wear. Be sure to have your transmission regularly maintained to avoid unexpected repairs.

4). Airbags

Most Expensive Parts AirbagsAverage Cost - $2,500 - $4,000

Airbags are life savers. Of course, this kind of safety does not come cheap. However, given their importance, they are always important to have in prime shape.

5). Engine Control Unit

Average Cost - $3,000

The engine control unit regulates the function of the engine. Therefore, it is one of the most important and one of the most expensive parts of a vehicle.

6). Diesel Particulate Filter

Average Cost - $3,000

If you drive a diesel-powered vehicle, then it will have a diesel particulate filter to prevent soot from entering the environment. Therefore, it needs to be properly maintained.

7). Suspension

Most Expensive Parts SuspensionAverage Cost - $2,500 - $3,000

A poor suspension can affect ride quality and performance. Therefore, it is an important part of the vehicle.

8). Camshaft

Average Cost - $1,500 - $3,000

The camshaft handles the opening and the closing of the valves in an engine. Therefore, it plays an important role in overall performance.

9). Head Gasket

Average Cost - $2,000 - $2,500

The head gasket helps protect the engine from outside particles. Also, the head gasket keeps fuel inside of the engine.

10). Catalytic Converter

Average Cost - $1,500 - $2,000

The catalytic converter is responsible for changing harmful compounds into safe steam, which is then sent to the exhaust.

11). Fuel Pump

Most Expensive Parts Fuel PumpAverage Cost - $1,000

The fuel pump regulates how much fuel is sent to the engine. This part has a lifespan of about 100,000 miles.

12). Brakeline

Average Cost - $500 - $750

The brake line handles the communication from the brake pedal to the brake pads.

13). Infotainment Screen

Average Cost - $500

The infotainment screen is located inside the vehicle and allows you to interface with the vehicle’s infotainment system.

14). Timing Belt

Average Cost - $500 - $750

The timing belt handles the timing of the camshaft, which regulates the opening and closing of the valves.

15). Air Conditioning Compressor

Average Cost - $500

The air conditioning compressor handles compressing the refrigerant to help cool down the system in hot and humid conditions.

16). Fuel Injector

Average Cost - $500

The fuel injector regulates the injection of fuel from the fuel pump into the engine.

17). Water Pump

Average Cost - $400

The water pump will send water around the engine to help prevent it from overheating.

Should I Repair or Sell?

Most Expensive Parts Repair or SellIf the cost of the repair exceeds the value of the vehicle, then it will make sense to sell. The good news is that several car-buying services will make you an instant offer. Sites such as CarBrain, Peddle, Carvana, and WeBuyAnyCar are great places to get started.

Will An Extended Warranty Cover Repairs?

Extended car warranties can cover repair costs after your original warranty has expired. Be sure to check out our page on the best-extended warranty companies to find the right coverage for your vehicle.

Frequently Asked Questions

What is the most expensive part to repair?

On just about any vehicle, the most expensive part to repair are the engine and the cylinders. You can expect to pay anywhere between $7,000 to $10,000 on such a repair.

What is the most expensive brand to repair?

Excluding exotic and ultraluxury car brands, the most expensive brand to repair is Porsche followed by BMW and Mercedes-Benz.

Can a car be unfixable?

At a certain point, it may not make sense to repair a vehicle if the repair costs exceed that of the value of the vehicle. At this point, it would be better to sell the vehicle.

What car part brakes the most?

When it comes to important car parts that affect drivability, the car part that brakes the most often are the brake pads. This part usually needs to be replaced every 30,000 to 70,000 miles. When it comes to minor parts of your vehicle, you will most likely have to replace the windshield wipers every 20,000 miles.

How do I prevent expensive car repairs?

The best way to prevent expensive car repairs is to follow your vehicle’s regularly scheduled maintenance. All brands have an interval maintenance schedule where a technician can check the vehicle for any signs of excessive wear. Also, be sure to use OEM parts. These are parts that are specifically designed for your vehicle. These parts tend to last longer and they are guaranteed by the manufacturer.