2003 Kia Optima Engine Parts

Essential 2003 Kia Optima Engine Parts

Dorman – Freeze Plug (Part No.A1030831286DOR)

Freeze Plug

from

$4.21
Freeze Plug

Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)

Ultra-Cool Engine Oil Cooler Kit

from

$167.99
Product Features:
  • Size: 3/4 in. x 10 in. x 12-1/4 in.
  • Medium duty applications
  • All except Chevrolet V8 applications
  • Two-pass design for increased cooling
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Carquest Premium – Multi Purpose Relay (Part No.RAA2631)

Multi Purpose Relay

from

$22.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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MAHLE Original – Timing Cover Seal (Part No.67825)

Timing Cover Seal

from

$11.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – Lwr Oil Pan Gasket Hi-Temp Rubber-Ctd Fiber & Sealing Bead W/Gasket Sealant 3 Piece (Part No.OS 30753)

Lwr Oil Pan Gasket Hi-Temp Rubber-Ctd Fiber & Sealing Bead W/Gasket Sealant 3 Piece

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$16.99
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Dayco – Timing Water Pump Kit; With Pump, Belt, Timing Belt Actuator, Pulley And Idler (Part No.WP315K1B)

Timing Water Pump Kit; With Pump, Belt, Timing Belt Actuator, Pulley And Idler

from

$345.99
Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:
  • Engineered for both domestic and import vehicle applications with a timing belt
  • Includes premium Dayco components and a tough, wear-resistant belt
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Felpro – CIRCULAR PLUG (Part No.CP 75023)

CIRCULAR PLUG

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$6.79
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
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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NOK – Crankshaft Seal (Part No.A8060277210NOK)

Crankshaft Seal

from

$10.36
Crankshaft Seal

MAHLE Original – Head Set (Part No.HS54741B)

Head Set

from

$163.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • Head gasket set (HS) contains all the gaskets and seals required to remove and replace a cylinder head(s) on an engine.
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Dayco – Timing Belt Kit; With 2 Belts, Pulley, Tensioner, Idler, 5 Piece Set (Part No.95313K1)

Timing Belt Kit; With 2 Belts, Pulley, Tensioner, Idler, 5 Piece Set

from

$174.99
Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:
  • Engineered for both domestic and import vehicle applications with a timing belt
  • All components needed for a complete timing belt replacement included in one box
  • Includes premium Dayco components and tough, wear-resistant belt
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GMB – T-Belt Tensioner Pulley (Part No.A5340111887GMB)

T-Belt Tensioner Pulley

from

$38.61
GMB is one of the world’s largest designers and manufacturers of automotive service products. GMB offers OE quality water pumps, universal joints, tensioner idler bearings and chassis parts for most European, Asian and Domestic vehicles.
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Felpro – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.26708 PT)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

from

$46.99
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:
  • PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Original Equipment – Timing Chain (Part No.A5100109139OEA)

Timing Chain

from

$28.54
Timing Chain

Cloyes Gear – Engine Timing Chain Tensioner Guide (Part No.9-5557)

Engine Timing Chain Tensioner Guide

from

$27.99
A timing chain guide serves as a track or guide, for the timing chain, connecting the crankshaft and camshaft. Designed to meet or exceed OEM performance requirements, Timing Guides, which are available in kits or as a stand-alone product, utilize the latest in design and material technology, ensuring quiet and maintenance-free experience

Product Features:
  • Extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • CAD designed and manufactured using premium materials
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • 10.85″ OD
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Dayco – Timing Hydraulic Belt Actuator; 1 Piece, Meets Or Exceeds OE Quality (Part No.85061)

Timing Hydraulic Belt Actuator; 1 Piece, Meets Or Exceeds OE Quality

from

$85.99
Designed to absorb changes in timing belt tension caused by variations in engine temperatures, speed or the general wear and aging of the belt, the Dayco hydraulic timing belt actuator keep belt tension at a constant level. It reduces noise, prevents belt flapping and ensures proper timing effectiveness throughout the entire service life of the belt. The Dayco hydraulic timing belt actuator is manufactured to meet the critical OE quality, form, fit and function requirements necessary for superior performance.

Product Features:
  •  Designed to dampen noise and enhance belt life
  •  Keeps belt tension at a constant level for better performance
  •  Meets OE fit, form and function criteria
  • Prevents belt flapping
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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
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Spartan – Engine Cylinder Head; Hyundai G4KE/KD Cyl Head (Part No.2270C)

Engine Cylinder Head; Hyundai G4KE/KD Cyl Head

from

$709.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
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Ishino Stone – Valve Cover Gasket (Part No.A8030113388ISH)

Valve Cover Gasket

from

$17.27
ISHINO STONE® – Ishino Corporation of Japan – has been manufacturing gaskets since 1932 and tier-1 OEM supplier to Toyota, Honda and other Japanese auto manufacturers. The Ishino Stone solution is to supply gaskets featuring a combination of different elastomer layers, carefully adapted to complement each other and preserve the integrity of the seal.

Product Features:
  • Superb quality and precision manufacturing process to ensure overall sealing dependability
  • Static sealing solutions are guaranteed to supply strong sealing power to eliminate any leakage
  • Manufactured to exact OEM specifications
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NOK – Crankshaft Seal (Part No.A8060104038NOK)

Crankshaft Seal

from

$13.39
Crankshaft Seal

MANDO – OE Engine Camshaft Position Sensor (Part No.22A1218)

OE Engine Camshaft Position Sensor

from

$68.99
HL Mando is the leading original equipment manufacturer utilizing its state-of-art technology and various quality tests to offer customers great satisfaction and safety. Mando is producing a variety of Sensor Parts with the latest equipment that boasts highest quality from passenger vehicles to commercial vehicles. With the state-of-the-art electronic control technology that maximizes the safety and convenience of the driver and passenger, Mando is being recognized for its high quality and supply system by world’s best automakers. In addition, obtaining ISO/TS 16949 certification proves excellent quality and reliability of suspension parts. – We Are OE!

Product Features:
  • Direct Original Equipment Replacement
  • Tested for Quality, Durability, and Reliability
  • Manufactured in Korea
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National – Multi Purpose Seal (Part No.710615)

Multi Purpose Seal

from

$18.79
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
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Felpro – VALVE STEM SEAL SET (Part No.SS 72819)

VALVE STEM SEAL SET

from

$50.99
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:
  • RIGHT TYPE — Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS — Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE — Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID — Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE — Available for domestic and foreign nameplate vehicles
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Victor Reinz – Fuel Injection Plenum Gasket (Part No.71-15378-00)

Fuel Injection Plenum Gasket

from

$9.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Meets or exceeds OE specifications
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Felpro – CONVERSION GASKET SET (Part No.CS 26561)

CONVERSION GASKET SET

from

$37.49
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:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • 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
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Dayco – Timing Component Kit; With Tensioner Pulley-Idler-Balance Shaft Tensioner (Part No.84129)

Timing Component Kit; With Tensioner Pulley-Idler-Balance Shaft Tensioner

from

$92.99
Manufactured to meet critical OE quality fit, form and function requirements demanded by today’s vehicle manufacturers, Dayco’s timing component kit ensures long lasting peak performance. This kit is designed to replace worn or damaged original equipment timing belts, tensioners and idler pulleys. It includes pre-packaged tensioners, idler pulleys and instructions – each matched to a specific make, model and vehicle year.

Product Features:
  • Engineered for the majority of domestic and import vehicle applications with a timing belt
  • All components needed for a complete timing belt replacement included in one box
  • Includes premium Dayco components and a tough, wear-resistant belt
  • Meets or exceeds OE quality
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Dorman – Crankshaft Position Sensor (Part No.907-755)

Crankshaft Position Sensor

from

$71.99
This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine crankshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
  • Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Dorman – Engine Oil Pan: Direct Fit, Steel, Front Sump (Part No.264-428)

Engine Oil Pan: Direct Fit, Steel, Front Sump

from

$60.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Spectra Premium – Engine Oil Pan (Part No.HYP31A)

Engine Oil Pan

from

$67.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium oil pans meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE expertise
  • Durable powder coating applied to exterior of oil pan for a long lasting rust free unit
  • Washed and then sealed with an anti-corrosive spray on the interior for a rust free unit at installation
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Coating salt spray tested for over 200 hours to insure durability
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2003 Kia Optima Engine Parts

You count on your 2003 Kia Optima to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 133 Engine Parts ranging in price from $2.71 to $3,964.99, you’re sure to find everything you need for your 2003 Kia Optima.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 32 different brands like Felpro, Carquest Premium, and Dayco. 2003 Kia Optima Engine Parts start as low as $2.71!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 61 extensive product reviews on 2003 Kia Optima Engine Parts. Some of the top-rated Engine Parts products we carry are Multi Purpose Seal with 3.8 stars and Multi Purpose Seal with 3.4 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 2003 Kia Optima below to get started!

Top-Rated Engine Parts Brands For Your 2003 Kia Optima

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Kia Optima running right for years to come. In our inventory you’ll find brands like Felpro, Carquest Premium, Dayco, and even more.

Popular Carquest Premium Engine Parts

You’ll find popular Carquest Premium brand products across Engine Blocks. All are waiting to get your 2003 Kia Optima back on the road. Some of the top-rated Carquest Premium products in these categories are:
Engine Water Pump: New, Gasket/Seals Included
from $99.99
(4)
Engine Water Pump: New, Gasket/Seals Included
Timing Belt Jobs

FAQs for 2003 Kia Optima Engine Parts

What are the most purchased Engine Parts for the 2003 Kia Optima?

Out of 133 Engine Parts for the 2003 Kia Optima, the most popular in our inventory are:
Timing Water Pump Kit; With Pump, Belt, Timing Belt Actuator, Pulley And Idler
from $345.99
This product is not rated
Timing Water Pump Kit; With Pump, Belt, Timing Belt Actuator, Pulley And Idler
Engine Timing Belt Kit With Water Pumps
Crankshaft Sensor
from $44.99
This product is not rated
Crankshaft Sensor
Crankshaft Position Sensors

What are the top-rated 2003 Kia Optima Engine Parts?

Top-rated Engine Parts for your 2003 Kia Optima based on customer reviews/ratings are:
Multi Purpose Seal
from $14.79
(5)
Multi Purpose Seal
“Super”
Multi Purpose Seal
from $8.99
(5)
Multi Purpose Seal
“Should be as good as oem”
Econo-Kool® Engine Oil Cooler
from $141.99
(3)
Econo-Kool® Engine Oil Cooler
“Good price perfect fit had all the parts I needed good quality”