1978 Mercedes-Benz 300CD Belt Tensioners

Keep Your 1978 Mercedes-Benz 300CD in Top Shape with a Quality Belt Tensioner

When it comes to maintaining or upgrading your 1978 Mercedes-Benz 300CD, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Belt Tensioner for your 300CD. We currently carry a top Belt Tensioner in stock that is built to last. Whether you’re replacing a damaged Belt Tensioner or looking to upgrade, our selection for the 1978 Mercedes-Benz 300CD ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Engine Cooling Hoses and Serpentine and V Belts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1978 Mercedes-Benz 300CD running smoothly and looking great.

Most Popular Belt Tensioner Assembly for 1978 Mercedes-Benz 300CDs

Enhance your 1978 Mercedes-Benz 300CD with this popular Belt Tensioner Assembly we have in stock, for $128.34.

INA – Air Conditioning Idler Pulley (Part No.R108125327INA)

Air Conditioning Idler Pulley

from

$128.34
Air Conditioning Idler Pulley

FAQs for 1978 Mercedes-Benz 300CD Belt Tensioners

What’s the price range for 1978 Mercedes-Benz 300CD Belt Tensioners?

We currently have just one Belt Tensioners for the 1978 Mercedes-Benz 300CD in stock: Air Conditioning Idler Pulley and it costs $128.34.

Does Advance Auto Parts sell Belt Tensioners for other Mercedes-Benz 300CD model years?

Yes, we carry Belt Tensioners for 2 model years of Mercedes-Benz 300CDs between 1979 and 1981. The following model years are the most popular for Belt Tensioner purchases: 1981, 1980, and 1979.

Does Advance Auto Parts sell Belt Tensioners for any other 1978 Mercedes-Benz models?

Yes. We stock Belt Tensioners for 7 other popular 1978 Mercedes-Benz models. Some of the most popular are 1978 240D Belt Tensioners, 1978 280CE Belt Tensioners, 1978 280E Belt Tensioners, 1978 280SE Belt Tensioners, and 1978 300D Belt Tensioners.

What types of Belt Tensioners do you sell for my 1978 Mercedes-Benz 300CD?

We currently have just 1 Belt Tensioner in stock for a 1978 Mercedes-Benz 300CD, and as of 11/2/25, it is a Belt Tensioner Assembly.

Can I get help with 1978 Mercedes-Benz 300CD Belt Tensioner orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercedes-Benz Belt Tensioners and more.

What is your return policy for Mercedes-Benz 300CD Belt Tensioners?

Advance Auto Parts keeps returns simple. For new Mercedes-Benz 300CD Belt Tensioners and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.