2003 Ford Focus Engine Internals

Essential 2003 Ford Focus Engine Internals

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4135RA)

Engine Connecting Rod Bearing Set

from

$59.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-4930A)

Engine Connecting Rod Bearing Set

from

$58.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-1400AA)

Engine Connecting Rod Bearing Set

from

$26.49
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Piston Ring Set (Part No.E-923K)

Engine Piston Ring Set

from

$81.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston Ring Set (Part No.E-973KC)

Engine Piston Ring Set

from

$103.99
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:
  • Chrome plated ring face
  • Increases wear resistance in dirty air conditions
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston Ring Set (Part No.E-910K)

Engine Piston Ring Set

from

$126.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7193MA)

Engine Crankshaft Main Bearing Set

from

$296.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7411MA .50MM)

Engine Crankshaft Main Bearing Set

from

$94.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.6695MA .25MM)

Engine Crankshaft Main Bearing Set

from

$56.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

Dorman – Harmonic Balancer Bolt (Part No.926-885)

Harmonic Balancer Bolt

from

$21.49
This engine harmonic balancer bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.1400AA .25MM)

Engine Connecting Rod Bearing

from

$6.49
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.1400AA)

Engine Connecting Rod Bearing

from

$6.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.4135RA)

Engine Connecting Rod Bearing

from

$13.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.4135RA .25MM)

Engine Connecting Rod Bearing

from

$12.49
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.
See More

National – Shaft Repair Sleeve (Part No.99145)

Shaft Repair Sleeve

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:
  • 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

Sealed Power – Engine Piston (Part No.WH848CP)

Engine Piston

from

$50.99
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:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD« skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on start-up
See More

Driveworks – Crankshaft Seal (Part No.S-3772)

Crankshaft Seal

from

$12.99
Product Features:
  • Brand may vary by location
See More

Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46132)

Engine Crankshaft Seal Kit

from

$26.99
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:
  • 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
  • Includes all the parts necessary to complete the repair unless otherwise noted
See More

Timken – Crankshaft Seal (Part No.A8060328632TIM)

Crankshaft Seal

from

$31.45
Crankshaft Seal

Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40646)

REAR MAIN BEARING SEAL SET

from

$24.99
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.5287)

Multi Purpose Seal

from

$32.99
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
  • 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

Mahle – Crankshaft Seal (Part No.A8060400710MAH)

Crankshaft Seal

from

$20.39
Crankshaft Seal

National – Multi Purpose Seal (Part No.3772)

Multi Purpose Seal

from

$21.79
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

National – Multi Purpose Seal (Part No.713771)

Multi Purpose Seal

from

$25.49
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

Driveworks – Oil Seal (Part No.S-3771)

Oil Seal

from

$8.29
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

NOK – Crankshaft Seal (Part No.A8060277210NOK)

Crankshaft Seal

from

$10.38
Crankshaft Seal

National – Multi Purpose Seal (Part No.710600)

Multi Purpose Seal

from

$85.99
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
  • 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.BS 40158)

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

2003 Ford Focus Engine Internals

Maybe you’re in the middle of a full rebuild of that 2003 Ford Focus. Maybe you just need a couple of Engine Internals. Either way, Advance Auto Parts has 39 different Engine Internals in our inventory ranging from $2.79 to $296.99. That means you can find the exact parts or products you need to keep that 2003 Ford Focus running smoothly.

Engine Internals are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Ford Focus. Felpro, DriveWorks, and Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Internals for your 2003 Ford Focus, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 66 reviews in this category, some of the top rated parts include Engine Connecting Rod Bearing Set with 5.0 stars.

So if you’re in the market for aftermarket Engine Internals to keep your 2003 Ford Focus rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Internals Brands To Make Your 2003 Ford Focus Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Ford Focus demands trusted brand parts and products to keep it running. Many trusted brands of Engine Internals make up Advance Auto Parts’ inventory, and all are ready to help make your Focus the best it can be. Be sure to browse some of our top Engine Internals brands and parts.

Popular Felpro Engine Internals

We carry Felpro parts in our stock across Crankshaft Seals categories, plus more. For a 2003 Ford Focus, our most popular Felpro Engine Internals include:
REAR MAIN BEARING SEAL SET
from $24.99
(2)
REAR MAIN BEARING SEAL SET
Crankshaft Seals
Engine Crankshaft Seal Kit
from $25.99
(2)
Engine Crankshaft Seal Kit
Crankshaft Seals

Top 2003 Ford Focus Engine Internals from Driveworks

Driveworks products are another trusted brand when it comes to Engine Internals for your 2003 Ford Focus. Popular Driveworks parts include:
Oil Seal
from $8.29
(3)
Oil Seal
Crankshaft Seals
Oil Seal
from $2.79
(1)
Oil Seal
Crankshaft Seals

FAQs for 2003 Ford Focus Engine Internals

What are the most purchased Engine Internals for the 2003 Ford Focus?

Out of 39 Engine Internals for the 2003 Ford Focus, the most popular in our inventory are:
Harmonic Balancer Bolt
from $21.49
This product is not rated
Harmonic Balancer Bolt
Crankshaft Bolts
Multi Purpose Seal
from $21.79
(1)
Multi Purpose Seal
Crankshaft Seals
Multi Purpose Seal
from $25.49
(1)
Multi Purpose Seal
Crankshaft Seals

What are the top-rated 2003 Ford Focus Engine Internals?

Top-rated Engine Internals for your 2003 Ford Focus based on customer reviews/ratings are:
Engine Connecting Rod Bearing Set
from $26.49
(1)
Engine Connecting Rod Bearing Set
“Good Product”