Original or Equivalent? What You Need to Know When Choosing Spare Parts

One of the most important questions you will face when your vehicle breaks down or when it is time for maintenance is: "Original or equivalent?" The choice of spare part directly affects not only your budget but also your vehicle's performance, safety and long-term maintenance costs.

In this guide, we cover in detail the differences between original and equivalent spare parts, their areas of use, cost comparisons and what to consider when making an informed choice.

What is Original Spare Part?

Original spare parts are parts that are manufactured or licensed by your vehicle's manufacturer (OEM - Original Equipment Manufacturer) and are fully compatible with the vehicle.

Advantages:

• Perfect fit and high quality

• Long-lasting use

• Being under warranty

Disadvantages:

• Usually more expensive

• Delivery time may be longer

What is Equivalent Spare Part?

Equivalent (aftermarket) parts are spare parts produced by companies other than the vehicle manufacturer. Their quality may vary depending on the manufacturer.

Advantages:

• It is usually more economical

• It is abundantly available in the market

• In some cases, its performance may be the same as the original.

Disadvantages:

• There is no guarantee of quality and compatibility.

• May be out of warranty

Which One Should Be Preferred In Which Situation?

• For new and under warranty vehicles: Original spare parts must be preferred. Otherwise, the vehicle warranty may be void.

• For second-hand and out-of-warranty vehicles: Quality equivalent parts can be a budget-friendly alternative.

• For critical safety parts (brakes, steering, airbags, etc.): Original parts should be preferred.

• For frequently replaced parts (filters, spark plugs, wipers): Quality equivalent products may be suitable.

Cost Comparison

Examples of price differences in common parts in the Turkish market as of 2025:

Part Type	Original Price (TL)	Equivalent Price (TL)
Oil Filter	350 TL	150 TL
Air Filter	450 TL	180 TL
Brake Pad	1,500 TL	700 TL
Headlight Bulb	950 TL	400 TL

How to Identify a Quality Equivalent Part?

• Must have quality certificates such as ISO/TS 16949

• Reliable brands and sellers should be preferred

• Pay attention to signs of counterfeiting on packaging and product labels.

• Customer reviews and forum reviews should be examined

How to Know if It is an Original Part?

• Includes manufacturer logo and part number

• Purchased from authorized service or dealer

• Usually has a holographic label and security seal

Conclusion: Balance Budget and Security

The final decision in choosing a spare part depends on the age of your vehicle, its intended use and your budget. However, it is possible to find a budget-friendly solution without compromising on safety. Original parts are not essential, but quality is!