Optima
2003 Kia Optima 2.4L Timing Belt, Water Pump & Component Kit
2003 Kia Optima 2.4L Timing Belt, Water Pump & Component Kit
Part number: TBK123WP_11
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Listed for: Kia Optima 2.4LFitment notes & questions
Timing belt from Optima, listed for 2003 Kia Optima with the 2.4L engine. The timing belt keeps the crankshaft and camshafts turning in step, so the valves open at exactly the right moment.
Quick facts
- Brand: Optima
- Part type: Timing belt
- Listed for: 2003 Kia Optima
- Engine: 2.4L
- Engine code: 16V DOHC
- Part number: TBK123WP_11
Listed fitment
- [1999-2006] HYUN, KIA [10 Components: 2 Belts, 3 Bearings, 1 Hydraulic Adjuster, 3 Seals, 1 Water Pump] / L4 / 2.4L DOHC 16V
Good to know
- Notes: Premium Kit, 10 Components: 2 Belts, 3 Bearings, 1 Hydraulic Adjuster, 3 Seals, 1 Water Pump
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Replace the tensioner and idler pulleys with the belt, and double-check the timing marks before the first start.

Optima timing belt for the Kia Optima 2.4L: what to know
Timing belts wear with age and miles. On many engines a broken belt can bend valves, so it is replaced on a schedule.
Fitment notes
- Listed for: Kia Optima 2.4L.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- Specs, lead time and warranty come from Optima and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Water pump. On many engines the belt drives the water pump, so replace it while you are in there.
- Cam and crank seals. Leaking front seals can ruin a new belt.
- Tensioner and idlers. A worn tensioner is a common reason belts fail early.
More for your car: Kia Water Pumps · Kia Parts · All Timing Belts · Engine
Questions about Kia Optima 2.4L timing belt
Will this fit my Kia Optima 2.4L?
How often should a timing belt be replaced?
Is my engine interference?
Where do specs and warranty details come from?
Questions & answers
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