2003 Peterbilt 385 Engine Blocks

Keep Your 2003 Peterbilt 385 in Top Shape with Quality Engine Blocks

Whether you’re repairing or upgrading your Engine Block, using high-quality parts is key to keeping your 2003 Peterbilt 385 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Caps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Explore Related Parts

While you’re upgrading or replacing your Engine Block, don’t forget to check out other key components like Engine Switches, Sensors and Relays and Turbochargers. At Advance Auto Parts, we’re here to help you keep your 2003 Peterbilt 385 in peak condition, inside and out.

Essential 2003 Peterbilt 385 Engine Blocks

Carquest Premium – HD Engine Oil Filler Plug (Part No.10153)

HD Engine Oil Filler Plug

from

$19.49
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
See More

Carquest Premium – Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10136)

Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$5.99
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
See More

Most Popular Oil Caps for 2003 Peterbilt 385s

Enhance your 2003 Peterbilt 385 with one of the 2 Oil Caps we have in stock, starting at just $5.99.

Carquest Premium – Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10136)

Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$5.99
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
See More

Carquest Premium – HD Engine Oil Filler Plug (Part No.10153)

HD Engine Oil Filler Plug

from

$19.49
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
See More

FAQs for 2003 Peterbilt 385 Engine Blocks

What are the best-selling Engine Blocks for 2003 Peterbilt 385s?

Out of 2 Engine Blocks that fit 2003 Peterbilt 385s, the following parts are the top sellers:

What’s the price range for 2003 Peterbilt 385 Engine Blocks?

The prices of Engine Blocks for the 2003 Peterbilt 385 range from $5.99 up to $19.49 for the most premium parts.

What is the average price of an Engine Block for a 2003 Peterbilt 385?

The average price for Engine Blocks for the 2003 Peterbilt 385 is $12.74. Keep in mind the variety of part types within our Engine Block category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Engine Blocks for my 2003 Peterbilt 385?

The cheapest 2003 Peterbilt 385 Engine Blocks we carry are:

Does Advance Auto Parts sell Engine Blocks for any other 2003 Peterbilt models?

Yes. We stock Engine Blocks for 5 other popular 2003 Peterbilt models. Some of the most popular are 2003 387 Engine Blocks, 2003 379 Engine Blocks, 2003 378 Engine Blocks, 2003 357 Engine Blocks, and 2003 362 Engine Blocks.

What types of Engine Blocks do you sell for my 2003 Peterbilt 385?

We currently have just 1 Engine Block in stock for a 2003 Peterbilt 385, and as of 11/2/25, it is an Oil Cap.

Can I get help with 2003 Peterbilt 385 Engine Block orders?

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

What is your return policy for Peterbilt 385 Engine Blocks?

Advance Auto Parts keeps returns simple. For new Peterbilt 385 Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.