2003 Kia Optima Engine Parts
Select Your Submodel
- Motor Mounts
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Engine Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Timing Belts
- Engine Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Throttle Bodies
- Motor Oils
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Westar®Front Passenger Side Engine MountKia Optima 2003, Front Passenger Side Engine Mount by Westar®. Westar's OE replacement motor mounts effectively control engine movement for vibration-free driving. Since 1986, Westar has specialized in distributing top-of-the-line...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$87.12 - $92.34 - Westar®Rear Engine MountKia Optima 2003, Rear Engine Mount by Westar®. Westar's OE replacement motor mounts effectively control engine movement for vibration-free driving. Since 1986, Westar has specialized in distributing top-of-the-line engine mounts and...Build with quality that matches or exceeds OEM SpecificationsPerfect fit$28.87 - $35.54
- Gates®DriveAlign™ OE Exact Automatic Belt TensionerKia Optima 2.7L 2003, DriveAlign™ OE Exact Automatic Belt Tensioner by Gates®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Comprehensive line includes parts to fit cars, vans, SUVs, and light trucksFull line coverage for import, domestic, and heavy-duty cars, trucks, and vehicle applications$63.64
- Continental® ContiTech™Serpentine BeltKia Optima 2003, Serpentine Belt by Continental® ContiTech™. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Made with precision and quality in mindDesigned to meet your specific needs$7.88 - $17.19
- Gates®DriveAlign™ Drive Belt Idler PulleyKia Optima 2003, DriveAlign™ Drive Belt Idler Pulley by Gates®. Built to last by resisting dirt, salt, and other under-hood contaminants and are designed for use on passenger cars and light trucks as a locked center tensioning pulley,...High quality construction provides high durability for long lifeBearing meets or exceeds OE and is designed for application specific speed and load requirements$21.28 - $47.44
- DEA®Front Engine MountKia Optima 2003, Front Engine Mount by DEA®. Designed to meet all OE standards and specifications, these engine mounts will fit your vehicle with no modifications. They will safely connect the engine to the car frame keeping it in...Designed to meet or exceed OE specificationsConstructed to deliver consistent performance$21.47 - $23.82
- DEA®Front Passenger Side Engine MountKia Optima 2003, Front Passenger Side Engine Mount by DEA®. Designed to meet all OE standards and specifications, these engine mounts will fit your vehicle with no modifications. They will safely connect the engine to the car frame...Designed to meet or exceed OE specificationsConstructed to deliver consistent performance$66.79 - $86.64
- DEA®Rear Engine MountKia Optima 2003, Rear Engine Mount by DEA®. Designed to meet all OE standards and specifications, these engine mounts will fit your vehicle with no modifications. They will safely connect the engine to the car frame keeping it in proper...Designed to meet or exceed OE specificationsConstructed to deliver consistent performance$30.44
- Spectra Premium®Camshaft Position SensorKia Optima 2003, Camshaft Position Sensor by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$13.63 - $14.04
- Dayco®Poly Rib™ Serpentine BeltKia Optima 2003, Poly Rib™ Serpentine Belt by Dayco®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$19.74 - $28.17
- Bando®Rib Ace™ V-Ribbed Serpentine BeltKia Optima 2003, Rib Ace™ V-Ribbed Serpentine Belt by Bando®. Trusted by the world's Top Automakers, Bando is OE on Domestic and Import nameplates. The V-ribbed belt is precision engineered for long life under severe operating...Combines our OE technology and experience to offer an accessory drive belt that outperforms the competitionExtensive coverage for Domestic and Import applications$7.05 - $16.74
- TRQ®Drive Belt TensionerKia Optima 2.7L 2003, Drive Belt Tensioner by TRQ®. Want to get rid of the rattling noise coming from the timing cover area? This high-grade TRQ drive belt tensioner is exactly what you need. Built to meet or exceed the OEM...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$44.60$46.95Save $2.35 (5%)
- Fel-Pro®Cylinder Head GasketKia Optima 2003, Cylinder Head Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...Unsurpassed quality you can trustValidated for fit, form and function$27.77 - $29.63
- Continental® ContiTech™Conti-V Multirib™ Serpentine BeltKia Optima 2003, Conti-V Multirib™ Serpentine Belt by Continental® ContiTech™. Designed to transmit torque and drive engine accessories, this serpentine belt provides quieter and cooler performance, greater durability, and maximum...OE quality product for safe, reliable, and efficient performanceProvides quiet performance, even in wet conditions$14.91 - $32.50
- TRQ®Oil Pressure SensorKia Optima with Oil Pressure Light 2003, Oil Pressure Sensor by TRQ®. If your vehicle has symptoms of a bad cylinder head, replace it with a cost-efficient solution by TRQ. Built to optimize your driving experience, this product is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$16.87$17.95Save $1.08 (6%)
- Mahle®Lower Engine Oil Pan Gasket SetKia Optima 2003, Lower Engine Oil Pan Gasket Set by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Made with precision and quality in mindDesigned to meet your specific needs$8.22 - $14.57
- Apex Auto®Lower Engine Oil Pan Gasket SetKia Optima 2003, Lower Engine Oil Pan Gasket Set by Apex Auto®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Made with precision and quality in mindDesigned to meet your specific needs$5.82 - $6.00
- Timken®Crankshaft SealKia Optima 2003, Crankshaft Seal by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design, enhanced...Expertly crafted from premium materialsDesigned to match rigorous quality standards$6.23 - $29.34
- Dorman®OE Solutions™ Crankshaft Position SensorKia Optima 2003, OE Solutions™ Crankshaft Position Sensor by Dorman®. This direct replacement crankshaft position sensor matches the fit and function of the original equipment sensor for a reliable repair. This part has undergone...Direct replacement - this crankshaft position sensor is a precise match for the fit and function of the original equipment sensorReady to install - matches the factory-style connector for plug-and-play installation$29.92 - $37.08
- Walker Products®Crankshaft Position SensorKia Optima 2003, Crankshaft Position Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$19.85 - $35.94
- Dorman®TECHoice™ Drive Belt Idler PulleyKia Optima 2.4L 2003, TECHoice™ Drive Belt Idler Pulley by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and...Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley$39.89
- Dorman®TECHoice™ Idler PulleyKia Optima 2.7L 2003, TECHoice™ Idler Pulley by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models,...Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley$17.03
- Continental® ContiTech™Elite™ Drive Belt Tensioner AssemblyKia Optima 2.7L 2003, Elite™ Drive Belt Tensioner Assembly by Continental® ContiTech™. This belt tensioner assembly is constructed to meet OE requirements for fit, form, and function. It provides smooth, noiseless, and...Constructed to match OE form, fit, and functionMaintains its correct alignment to the belt and correct accessory belt tension$70.60
- Fel-Pro®Cylinder Head Gasket SetKia Optima 2003, Cylinder Head Gasket Set by Fel-Pro®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Proprietary coating - nonstick anti-friction coating seals small surface scratches and imperfectionsSealing technologies - exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair$130.58 - $170.73
- Apex Auto®Cylinder Head Gasket SetKia Optima 2003, Cylinder Head Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Quick accurate delivery with excellent fill-rateExcellent inventory availability$97.37 - $141.50
- ACDelco®Professional™ 1 Blade Oil Pressure SenderKia Optima 2003, Professional™ 1 Blade Oil Pressure Sender by ACDelco®. With Light. ACDelco Professional Engine Oil Pressure Sender With Gauge is an ideal high quality aftermarket replacement component for one or more of the following...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$12.73
- Mitsuboshi®Accessory Drive BeltKia Optima 2003, Accessory Drive Belt by Mitsuboshi®. Do you hear chirping or squealing noise? Has the "power" disappeared from your steering? Does your engine crank slowly and are your lights dim? You may need accessory drive belt...Made with precision and quality in mindDesigned to meet your specific needs$14.28 - $39.35
- ACDelco®Professional™ A/C Drive Belt Idler PulleyKia Optima 2.7L 2003, Professional™ A/C Drive Belt Idler Pulley by ACDelco®. The ACDelco Professional, premium aftermarket Idler Pulley is designed for use on automobiles and light duty trucks as a locked center tensioning pulley, an...Bearing is designed for application specific speed and load requirementsProvides reliable operation under severe conditions for year round performance$21.57
- ACDelco®Professional™ Drive Belt Idler PulleyKia Optima 2.4L with A/C 2003, Professional™ Drive Belt Idler Pulley by ACDelco®. The ACDelco Professional, premium aftermarket Idler Pulley is designed for use on automobiles and light duty trucks as a locked center tensioning...Bearing is designed for application specific speed and load requirementsProvides reliable operation under severe conditions for year round performance$54.87
- ACDelco®Professional™ Idler PulleyKia Optima 2.7L 2003, Professional™ Idler Pulley by ACDelco®. The ACDelco Professional, premium aftermarket Idler Pulley is designed for use on automobiles and light duty trucks as a locked center tensioning pulley, an automatic belt...Bearing is designed for application specific speed and load requirementsProvides reliable operation under severe conditions for year round performance$33.90
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