1981 Mercedes-Benz 300CD Engine Blocks

Keep Your 1981 Mercedes-Benz 300CD in Top Shape with a Quality Engine Block

When it comes to maintaining or upgrading your 1981 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 Engine Block for your 300CD. We currently carry a top Engine Block in stock that is built to last. Whether you’re replacing a damaged Engine Block or looking to upgrade, our selection for the 1981 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 Gaskets and Seals and Engine Mounts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1981 Mercedes-Benz 300CD running smoothly and looking great.

Most Popular Oil Cap for 1981 Mercedes-Benz 300CDs

Enhance your 1981 Mercedes-Benz 300CD with this popular Oil Cap we have in stock, for $9.99.

Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10079)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$9.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
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FAQs for 1981 Mercedes-Benz 300CD Engine Blocks

What’s the price range for 1981 Mercedes-Benz 300CD Engine Blocks?

We currently have just one Engine Blocks for the 1981 Mercedes-Benz 300CD in stock: Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack and it costs $9.99.

Does Advance Auto Parts sell Engine Blocks for other Mercedes-Benz 300CD model years?

Yes, we carry Engine Blocks for 2 model years of Mercedes-Benz 300CDs between 1978 and 1980. The following model years are the most popular for Engine Block purchases: 1980, 1979, and 1978.

Does Advance Auto Parts sell Engine Blocks for any other 1981 Mercedes-Benz models?

Yes. We stock Engine Blocks for 8 other popular 1981 Mercedes-Benz models. Some of the most popular are 1981 380SEL Engine Blocks, 1981 300SD Engine Blocks, 1981 300D Engine Blocks, 1981 280E Engine Blocks, and 1981 280CE Engine Blocks.

What are the top-rated Engine Blocks that fit the 1981 Mercedes-Benz 300CD?

The one 1981 Mercedes-Benz 300CD Engine Block we have in stock is the Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack. It is rated 3.5 stars and costs $9.99.

What types of Engine Blocks do you sell for my 1981 Mercedes-Benz 300CD?

We currently have just 1 Engine Block in stock for a 1981 Mercedes-Benz 300CD, and as of 11/2/25, it is an Oil Cap.

Can I get help with 1981 Mercedes-Benz 300CD Engine Block orders?

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

What is your return policy for Mercedes-Benz 300CD Engine Blocks?

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