buhindai ga takai desu.

to be

Breakdown of buhindai ga takai desu.

• が: subject particle
• 高たかい: high
• 部品代ぶひんだい: the cost of parts

Questions & Answers about buhindai ga takai desu.

What does 部品代 mean exactly?

部品代 means the cost of parts or parts fee.

It is made up of:

• 部品 = parts, components
• 代 = charge, cost, fee

So this sentence is specifically talking about the price of the parts themselves, not necessarily the total price of a repair or service.

For example:

• 部品代 = parts cost
• 修理代 = repair fee
• 送料 = shipping cost

Why is が used here?

In this sentence, が marks 部品代 as the thing being described.

So:

• 部品代 が 高いです。
• literally: As for the parts cost, it is high / expensive.

A very natural English translation is The parts are expensive or The cost of the parts is high.

In simple terms, が is marking what has the property 高い.

Could this sentence also use は instead of が?