2003 Kia Optima Engine Internals

Keep Your 2003 Kia Optima 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 Kia Optima looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Crankshaft Seals, Crankshaft Angle Sensor Blades, and Main Bearing Repair Sleeves. 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.

Top-Rated Engine Internals from Trusted Brands

Looking for a reliable Engine Internal? We’ve got you covered with options from brands you know and trust like Driveworks. For example, Driveworks Engine Internals start at just $2.79 with an average 4.2 star rating. With over 3 reviews and a solid 3 star average, you can shop with confidence knowing other Kia Optima owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Kia Optima Engine Internal at Advance Auto Parts is around $20.64, with a range that starts at $2.79 and goes up to $37.49. With 9 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Engine Crankshaft Seal Kit, Shaft Repair Sleeve, and Multi Purpose Seal start at just $25.99 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 Kia Optima in peak condition, inside and out.

Essential 2003 Kia Optima Engine Internals

Driveworks – Oil Seal (Part No.S-224460)

Oil Seal

from

$4.49
Product Features:
  • Brand may vary by location
See More

National – Multi Purpose Seal (Part No.710608)

Multi Purpose Seal

from

$11.49
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46166)

Engine Crankshaft Seal Kit

from

$8.49
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
See More

Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46133)

Engine Crankshaft Seal Kit

from

$9.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
See More

Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46167)

Engine Crankshaft Seal Kit

from

$19.99
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:
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
See More

SKF – Crankshaft Seal (Part No.A8060663432SKF)

Crankshaft Seal

from

$15.94
Crankshaft Seal

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40740)

Engine Crankshaft Seal Kit

from

$21.49
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:
  • 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
See More

National – Multi Purpose Seal (Part No.710936)

Multi Purpose Seal

from

$20.99
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:
  • Low swell in hydrocarbon fluids
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Recognized worldwide for their quality and reliable performance for every type of repair
  • Temperature range: -40°F to 400°F; -40°C to 204°C
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40663)

Engine Crankshaft Seal Kit

from

$25.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

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
See More

National – Shaft Repair Sleeve (Part No.99157)

Shaft Repair Sleeve

from

$37.49
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Dorman – Crankshaft Position Sensor Reluctor Wheel (Part No.A2256380079DOR)

Crankshaft Position Sensor Reluctor Wheel

from

$9.83
Dorman’s Crankshaft Angle Sensor Blade is engineered to restore the crankshaft angle sensor to proper operation. Replacement helps to ensure that information is consistently transmitted to the fuel pump to send fuel to the engine.

Product Features:
  • Replacement restores proper vehicle operation
  • High-quality metal construction for long-lasting durability
  • Direct replacement for a proper fit
  • Vehicle try-on testing has been conducted on this part to ensure trouble-free performance
See More

Most Popular Crankshaft Seals for 2003 Kia Optimas

Enhance your 2003 Kia Optima with one of the 7 Crankshaft Seals we have in stock, starting at just $2.79.

Driveworks – Oil Seal (Part No.S-223750)

Oil Seal

from

$2.79
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40663)

Engine Crankshaft Seal Kit

from

$25.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

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
See More

National – Multi Purpose Seal (Part No.710767)

Multi Purpose Seal

from

$32.49
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Elwis – Crankshaft Seal (Part No.A8060663510ELW)

Crankshaft Seal

from

$26.48
Crankshaft Seal

Ishino Stone – Crankshaft Seal (Part No.A8060535610ISH)

Crankshaft Seal

from

$18.32
Crankshaft Seal

NOK – Crankshaft Seal (Part No.A8060115666NOK)

Crankshaft Seal

from

$11.07
Crankshaft Seal

Driveworks – Oil Seal (Part No.S-224460)

Oil Seal

from

$4.49
Product Features:
  • Brand may vary by location
See More

Best-Selling 2003 Kia Optima Crankshaft Angle Sensor Blade

Upgrade your Optima with our best-selling Crankshaft Angle Sensor Blade.

Dorman – Crankshaft Position Sensor Reluctor Wheel (Part No.A2256380079DOR)

Crankshaft Position Sensor Reluctor Wheel

from

$9.83
Dorman’s Crankshaft Angle Sensor Blade is engineered to restore the crankshaft angle sensor to proper operation. Replacement helps to ensure that information is consistently transmitted to the fuel pump to send fuel to the engine.

Product Features:
  • Replacement restores proper vehicle operation
  • High-quality metal construction for long-lasting durability
  • Direct replacement for a proper fit
  • Vehicle try-on testing has been conducted on this part to ensure trouble-free performance
See More

Top-Quality Main Bearing Repair Sleeves for 2003 Kia Optimas

Choose a high-quality OEM or aftermarket Main Bearing Repair Sleef for Kia Optimas and enjoy top-notch performance from $37.49.

National – Shaft Repair Sleeve (Part No.99157)

Shaft Repair Sleeve

from

$37.49
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Top-Rated Engine Internal Brands For Your 2003 Kia Optima

When it comes to finding the perfect Engine Internal for your 2003 Kia Optima, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Engine Internal brands including Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $2.79. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 2003 Kia Optima, providing peace of mind with parts that meet or exceed OEM standards.

Popular Driveworks 2003 Kia Optima Engine Internals

If you’re looking for a top-quality Engine Internal for your 2003 Kia Optima, Advance Auto Parts has exactly what you need with our selection of Driveworks Engine Internals. We have 1 Driveworks Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.79, you’ll find the perfect Engine Internal for your needs and budget. Driveworks Engine Internals for the 2003 Kia Optima come highly rated, with over 1 customer reviews and an impressive average rating of 4.2 stars. Choosing a Driveworks Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Oil Seal
from $2.79
(1)
Oil Seal
“Exactly as OE part. Even had the same part number as the original crankshaft oil seal on my mitsubishi mirage 98 1.8l.”

FAQs for 2003 Kia Optima Engine Internals

What are the best-selling Engine Internals for 2003 Kia Optimas?

Out of 9 Engine Internals that fit 2003 Kia Optimas, the following parts are the top sellers:

What’s the price range for 2003 Kia Optima Engine Internals?

The prices of Engine Internals for the 2003 Kia Optima range from $2.79 up to $37.49 for the most premium parts.

What is the average price of an Engine Internals Engine Internal for a 2003 Kia Optima?

The average price for Engine Internals for the 2003 Kia Optima is $20.64. 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 Kia Optima model years?

Yes, we carry Engine Internals for 18 model years of Kia Optimas between 2001 and 2020. The following model years are the most popular for Engine Internal purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Engine Internals for my 2003 Kia Optima?

The cheapest 2003 Kia Optima Engine Internals we carry are:

Does Advance Auto Parts sell Engine Internals for any other 2003 Kia models?

Yes. We stock Engine Internals for 3 other popular 2003 Kia models. Some of the most popular are 2003 Rio Engine Internals, 2003 Sorento Engine Internals, 2003 Sedona Engine Internals, and 2003 Spectra Engine Internals.

What are the top-rated Engine Internals that fit the 2003 Kia Optima?

Based on 3 reviews by customers, our 2003 Kia Optima Engine Internals have an average customer rating of 3 stars. These are the highest-rated categories of Engine Internals for the 2003 Kia Optima and their top-rated products:

What types of Engine Internals do you sell for my 2003 Kia Optima?

As of 4/10/25, these are some of the most in-demand types of Engine Internals for a 2003 Kia Optima:

Can I get help with 2003 Kia Optima Engine Internal orders?

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

What is your return policy for Kia Optima Engine Internals?

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