2003 Peterbilt 379 Engine Blocks
Keep Your 2003 Peterbilt 379 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 379 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.
Competitive Prices and Extensive Inventory
The average price for a 2003 Peterbilt 379 Engine Block at Advance Auto Parts is around $12.74, with a range that starts at $5.99 and goes up to $19.49. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack and HD Engine Oil Filler Plug start at just $5.99 and offer a great balance of form and function.
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 379 in peak condition, inside and out.
Find Your Specific 2003 Peterbilt 379 Engine Blocks
Looking for the perfect Engine Block for your 2003 Peterbilt 379? You’re in the right place. Below, you’ll find links to various types of Engine Blocks that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Blocks, ensuring durability and a precise fit for your Peterbilt 379. Whether you’re driving a 2003 model or another popular model year like
1991,
1992,
1994,
1995,
1996,
1999,
2000,
2001, and
2002, we’ve got you covered. Purchasing Engine Blocks from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Blocks that fit your vehicle.
Essential 2003 Peterbilt 379 Engine Blocks
Carquest Premium – HD Engine Oil Filler Plug (Part No.10155)
from
$17.29
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:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Carquest Premium – Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10136)
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:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Carquest Premium – HD Engine Oil Filler Plug (Part No.10153)
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:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Popular 2003 Peterbilt 379 Engine Blocks Categories
Most Popular Oil Caps for 2003 Peterbilt 379s
Enhance your 2003 Peterbilt 379 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)
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:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Carquest Premium – HD Engine Oil Filler Plug (Part No.10153)
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:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
FAQs for 2003 Peterbilt 379 Engine Blocks
What are the best-selling Engine Blocks for 2003 Peterbilt 379s?
Out of 2 Engine Blocks that fit 2003 Peterbilt 379s, the following parts are the top sellers:
- Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (5020022) – $5.99
- HD Engine Oil Filler Plug (10980450) – $19.49
What’s the price range for 2003 Peterbilt 379 Engine Blocks?
The prices of Engine Blocks for the 2003 Peterbilt 379 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 379?
The average price for Engine Blocks for the 2003 Peterbilt 379 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.
Does Advance Auto Parts sell Engine Blocks for other Peterbilt 379 model years?
What are the cheapest Engine Blocks for my 2003 Peterbilt 379?
The cheapest 2003 Peterbilt 379 Engine Blocks we carry are:
- Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (5020022) – $5.99
- HD Engine Oil Filler Plug (10980450) – $19.49
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 378 Engine Blocks, 2003 357 Engine Blocks, 2003 385 Engine Blocks, and 2003 362 Engine Blocks.
What types of Engine Blocks do you sell for my 2003 Peterbilt 379?
We currently have just 1 Engine Block in stock for a 2003 Peterbilt 379, and as of 11/2/25, it is an Oil Cap.
Can I get help with 2003 Peterbilt 379 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 379 Engine Blocks?
Advance Auto Parts keeps returns simple. For new Peterbilt 379 Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.