2007 Kia Optima Parts
The 2007 Kia Optima came with 2 engines (2.4L L4, 2.7L V6), and the right parts depend on which one you have. We list 5,860 parts across all of them — each category page below covers every engine, and each row shows which engine(s) it fits.
Use the part number on every part as your anchor: match it to the number on your old part, or use it to cross-reference an aftermarket equivalent for an OEM part that's discontinued or overpriced.
Browse by Engine
2.4L L4
2,969 parts · 21 categories Verified fitment2.7L V6
2,891 parts · 21 categories Verified fitmentNot sure which engine you have? Check the emissions label under the hood, your registration, or decode the VIN — the 8th character usually identifies the engine.
Parts by Category
Belt Drive Parts
68 parts · 4 subcategories · 17 brands Verified fitment Spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.Body & Lamp Assembly Parts
168 parts · 34 subcategories · 19 brands Verified fitment Covers the exterior panels, bumpers, mirrors, lamps and the trim that keeps weather and road debris out.Brake & Wheel Hub Parts
972 parts · 27 subcategories · 54 brands Verified fitment Handles stopping power and keeps each wheel turning true on its bearing and hub assembly.Cooling System Parts
244 parts · 19 subcategories · 52 brands Verified fitment Keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.Drivetrain Parts
65 parts · 5 subcategories · 17 brands Verified fitment Moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.Electrical Parts
219 parts · 12 subcategories · 35 brands Verified fitment Covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.Electrical Bulb & Socket Parts
418 parts · 18 subcategories · 10 brands Verified fitment Covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.Electrical Connector Parts
283 parts · 35 subcategories · 14 brands Verified fitment Supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.Electrical Switch & Relay Parts
413 parts · 32 subcategories · 19 brands Verified fitment Covers the switches, relays and flashers that route power to everything the driver touches.Engine Parts
1,319 parts · 77 subcategories · 81 brands Verified fitment Covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.Exhaust & Emission Parts
431 parts · 19 subcategories · 40 brands Verified fitment Carries combustion gases out safely and keeps emissions equipment — catalytic converters, O2 sensors, EGR — doing its job.Fuel & Air Parts
305 parts · 21 subcategories · 49 brands Verified fitment Meters fuel and air — pumps, injectors, filters, intake components and the sensors that balance the mixture.Heat & Air Conditioning Parts
402 parts · 20 subcategories · 40 brands Verified fitment Keeps the cabin comfortable and the windshield clear through the compressor, condenser, evaporator, heater core and blower.Ignition Parts
287 parts · 7 subcategories · 35 brands Verified fitment Delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.Interior Parts
231 parts · 16 subcategories · 12 brands Verified fitment Covers cabin hardware — seat components, handles, switch bezels, carpet, pedals and the pieces that take daily wear.Steering Parts
249 parts · 11 subcategories · 32 brands Verified fitment Connects driver to road through the rack, pump, tie rods, and column components.Suspension Parts
685 parts · 15 subcategories · 28 brands Verified fitment Controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.Automatic Transmission Parts
201 parts · 14 subcategories · 34 brands Verified fitment Covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.Manual Transmission Parts
93 parts · 10 subcategories · 22 brands Verified fitment Covers the manual gearbox and clutch system — discs, pressure plates, flywheels, slave and master cylinders, shift components.Wheel Parts
270 parts · 9 subcategories · 15 brands Verified fitment Covers lug nuts, studs, hub caps, TPMS sensors and trim rings.Wiper & Washer Parts
333 parts · 6 subcategories · 20 brands Verified fitment Keeps the glass clear — blades, arms, linkages, washer pumps and nozzles.Each category page covers all 2 engine options for the 2007 Kia Optima — every part shows the engine(s) it fits, and an on-page filter narrows it to yours.
Confirm your configuration
Other Kia Optima Years
Getting Fitment Right on the 2007 Kia Optima
Most wrong-part orders for the 2007 Kia Optima trace back to the engine choice: with 2 options listed, components that look interchangeable — cooling parts, tensioners, mounts, sensors — often carry different part numbers per engine. Each row shows which engine(s) it fits, and each category page filters to one engine at a time.
Every part across the 21 categories shows its brand and manufacturer part number. Use the number to cross-reference: match it to the part coming off the vehicle, compare an OEM-supplier part against its aftermarket equivalent, or verify a shop's estimate line by line. When a number is discontinued, the same-fitment parts around it are the fastest path to a current replacement.
Frequently Asked Questions
How many parts fit the 2007 Kia Optima?
We list 5,860 parts for the 2007 Kia Optima, organized into 21 categories across 2 engine options. Every part includes the brand, manufacturer part number and fitment notes.
Which engines came in the 2007 Kia Optima?
Our records list 2.4L L4, 2.7L V6. Parts frequently differ between them — a part verified for one engine is not guaranteed to fit another — so identify your engine first (emissions label under the hood, or the VIN's 8th character), then use the engine filter on each category page.
Are OEM and aftermarket parts both available for the 2007 Kia Optima?
Yes — parts come from original-equipment suppliers and established aftermarket brands, shown side by side with their part numbers where both cover the same fitment. Cross-referencing those numbers is how you confirm an aftermarket part genuinely replaces the OEM one.
How do I verify a part number fits my 2007 Kia Optima?
Search the number on this site: the result shows the part, its brand and every configuration with published fitment. If your exact year, model and engine appear in that list, the number is a match. The notes column carries any remaining qualifiers — position, trim or production date.
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.