2003 Mazda Miata Engine Internals
Keep Your 2003 Mazda Miata in Top Shape with Quality Engine Internals
Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 2003 Mazda Miata looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Crankshaft Seals, Standard Rod Bearing Sets, and Oversized Main Bearings. 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 Mazda Miata Engine Internal at Advance Auto Parts is around $26.65, with a range that starts at $3.79 and goes up to $77.99. With 7 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Engine Crankshaft Seal Kit, Engine Crankshaft Seal Kit, and Multi-Purpose Seal start at just $8.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Internal, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2003 Mazda Miata in peak condition, inside and out.
Find Your Specific 2003 Mazda Miata Engine Internals
Looking for the perfect Engine Internal for your 2003 Mazda Miata? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your Mazda Miata. Whether you’re driving a 2003 model or another popular model year like
1995,
1996,
1997,
1999,
2000,
2001,
2002,
2004, and
2005, we’ve got you covered. Purchasing Engine Internals 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 Internals that fit your vehicle.
Essential 2003 Mazda Miata Engine Internals
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7204M)
from
$77.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4175CP)
from
$46.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Driveworks – Crankshaft Seal (Part No.S-710355)
National – Multi-Purpose Seal (Part No.223830)
from
$9.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40634)
from
$21.79
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
National – Multi-Purpose Seal (Part No.710355)
from
$8.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Felpro – Engine Crankshaft Seal Kit (Part No.TCS 45921)
from
$16.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Popular 2003 Mazda Miata Engine Internals Categories
Most Popular Crankshaft Seals for 2003 Mazda Miatas
Enhance your 2003 Mazda Miata with one of the 5 Crankshaft Seals we have in stock, starting at just $3.79.
National – Multi-Purpose Seal (Part No.223830)
from
$9.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40634)
from
$21.79
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Seal Kit (Part No.TCS 45921)
from
$16.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
National – Multi-Purpose Seal (Part No.710355)
from
$8.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Driveworks – Crankshaft Seal (Part No.S-710355)
Best-Selling 2003 Mazda Miata Standard Rod Bearing Set
Upgrade your Miata with our best-selling Standard Rod Bearing Set.
Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4175CP)
from
$46.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Top-Quality Oversized Main Bearings for 2003 Mazda Miatas
Choose a high-quality OEM or aftermarket Oversized Main Bearing for Mazda Miatas and enjoy top-notch performance from $77.99.
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7204M)
from
$77.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
FAQs for 2003 Mazda Miata Engine Internals
What are the best-selling Engine Internals for 2003 Mazda Miatas?
Out of 7 Engine Internals that fit 2003 Mazda Miatas, the following parts are the top sellers:
- Engine Crankshaft Seal Kit (3502643) – $21.79
- Engine Crankshaft Seal Kit (3503690) – $16.99
- Multi-Purpose Seal (12028338) – $8.99
What’s the price range for 2003 Mazda Miata Engine Internals?
The prices of Engine Internals for the 2003 Mazda Miata range from $3.79 up to $77.99 for the most premium parts.
What is the average price of an Engine Internal for a 2003 Mazda Miata?
The average price for Engine Internals for the 2003 Mazda Miata is $26.65. Keep in mind the variety of part types within our Engine Internal 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 Internals for other Mazda Miata model years?
What are the cheapest Engine Internals for my 2003 Mazda Miata?
The cheapest 2003 Mazda Miata Engine Internals we carry are:
- Crankshaft Seal (11468539) – $3.79
- Multi-Purpose Seal (12028338) – $8.99
- Multi-Purpose Seal (15440036) – $9.99
- Engine Crankshaft Seal Kit (3503690) – $16.99
- Engine Crankshaft Seal Kit (3502643) – $21.79
Does Advance Auto Parts sell Engine Internals for any other 2003 Mazda models?
Yes. We stock Engine Internals for 6 other popular 2003 Mazda models. Some of the most popular are 2003 MPV Engine Internals, 2003 B4000 Engine Internals, 2003 6 Engine Internals, 2003 B2300 Engine Internals, and 2003 Protege Engine Internals.
What are the top-rated Engine Internals that fit the 2003 Mazda Miata?
The one 2003 Mazda Miata Engine Internal we have in stock is the Crankshaft Seal. It costs $3.79.
What types of Engine Internals do you sell for my 2003 Mazda Miata?
As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 2003 Mazda Miata:
Can I get help with 2003 Mazda Miata Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mazda Engine Internals and more.
What is your return policy for Mazda Miata Engine Internals?
Advance Auto Parts keeps returns simple. For new Mazda Miata Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.