[dragin]

Air Filter - 气滤器
Oil Filter - 油滤器
Brakes - 制动器 and ive also seen 煞车 but not sure if thats bicycle related or not.
Spark Plugs - 火星塞
Fan Belt - 风扇皮带
Lubricants - 润滑油
Door Mouldings - 车门模子
Alternator - 交流发电机

Hope this helps - You will need the Chinese language pack installed though - if you need more help, send me an email [email protected] and I will see what I can do, especially if you want the characters romanized.

Here's the pinyin (romanization) for these characters:
(corrections are welcome)
Maybe someone can add the tone marks so we don't make a monkey of ourselves when we try to use them.

气滤器 kong lu qi
油滤器 you lu qi
制动器 zhi dong qi
火星塞 huo xing sai
风扇皮带 feng shan fa dai
润滑油 run hua you
车门模子 che men mo zi
交流发电机 jiao liu fa dian ji

Maybe we can get an auto industry glossary going here at the forum.