Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.
Wrenchy
Go-Parts Garage
Expert guides for diagnosing, troubleshooting, and replacing auto parts Expert guides for diagnosing and replacing auto parts
Browse All Articles →
🎬 Helpful Videos 🛍️ Shop This Part

A Guide to the Starter for the 2008-2013 Kia Optima

If your Kia Optima just clicks or refuses to crank, this guide will help you understand the problem and find the right replacement starter.

4 minutes to read 2008-2013 Kia Optima
Difficulty
2/5
Est. Time
1.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$150-$300
🚫 Do not drive — A failing starter is unreliable and will eventually leave you stranded when the car won't start.
Key Takeaways
  • The most common sign of starter failure is a loud click with no engine crank; however, always test the battery first.
  • Replacement is a feasible DIY job, requiring the intake manifold to be loosened for access.
  • There are no recalls for the starter, so repair costs will not be covered by the manufacturer.
  • For a reliable replacement, choose an OEM-equivalent brand like Mando or a premium brand like Bosch or Denso.
The starter is a small, powerful electric motor that gets your engine running. When you turn the key in your 2008-2013 Optima, the battery sends a strong electrical current to the starter. The starter then spins the engine's flywheel, beginning the combustion process. Without a working starter, your car's engine cannot turn over, and you will be left stranded.

Is Your Optima's Starter Failing?

A brand new replacement starter motor for a 2008-2013 Kia Optima.
A new starter motor ready for installation in a 2008-2013 Kia Optima.

A failing starter rarely dies without warning. For the 2008-2013 Kia Optima, the signs are usually clear. Recognizing them early can save you from being stranded. The most common symptom owners report is a single, loud click when turning the key, with the engine failing to crank.

Always Test Your Battery First!

🎬 Watch: Troubleshooting a no-crank issue with a good battery.

Many starter symptoms can also be caused by a weak or dead battery, or corroded battery terminals. Before you decide to replace the starter, make sure your battery is fully charged and the connections are clean and tight. Many auto parts stores will test your battery for free.

Common Failure Symptoms

Comparison between a healthy starter motor with clean gears and a failed starter with worn teeth and burnt internal components.
Left: A healthy starter with clean pinion gears. Right: A failed unit showing significant wear and electrical damage.
  • Single Loud Click: This is the classic sign of a bad starter. The noise is the starter's solenoid engaging, but the motor itself lacks the power or has an internal failure preventing it from turning the engine.
  • No Crank, No Click: If you turn the key and nothing happens, the issue could be in the electrical path to the starter, including the starter relay or the solenoid itself.
  • Intermittent Starting: The car starts fine one day but refuses to crank the next. This can indicate a developing dead spot in the starter motor or a loose electrical connection.
  • Whirring or Grinding Noise: If you hear a whirring sound without the engine engaging, the starter gear may not be properly meshing with the engine's flywheel. A grinding noise after the engine has started means the starter is not disengaging, which can cause serious damage.

Choosing the Right Aftermarket Starter

A premium aftermarket starter motor from a brand like Bosch or Denso in its retail packaging.
Choosing premium or OEM-equivalent brands like Bosch, Denso, or Mando ensures longevity and factory-level performance.

When replacing the starter on your Optima, you have several quality tiers to choose from. The original starters were typically made by Mando or Valeo.

Brand Quality Tiers

  • Premium Brands (Bosch, Denso): These brands are known for high-quality engineering and are often considered equal to or better than original equipment. They are a top choice for reliability and longevity, though they usually come at a higher price.
  • OEM-Equivalent Brands (Mando, Valeo): Since Mando and Valeo were original suppliers to Kia, choosing one of these brands is like getting a factory part. They offer a great balance of proven quality and cost.
  • Standard Aftermarket Brands (WAI Global, Remy, BBB Industries): These brands provide a cost-effective solution for getting your car back on the road. They are reliable options that meet standard replacement needs.

Replacement Cost for a 2008-2013 Kia Optima Starter

A view of the Kia Optima engine bay showing the intake manifold area where the starter is located.
The starter is located under the intake manifold, contributing to the 1-2 hour labor estimate for replacement.

The cost can vary based on the brand you choose and labor rates in your area. The starter is located under the intake manifold, and replacement typically takes 1-2 hours.

Part Type Estimated Part Cost
New Aftermarket $123 - $289
New OEM $190 - $350
Remanufactured $160 - $345
Shop Labor $150 - $300

A Note on Installation

The starter is located underneath the plastic intake manifold on both the 2.4L and 2.7L engines. While some guides show a full removal of the manifold, many DIY mechanics have found success by simply unbolting the manifold and propping it up to gain the necessary clearance to access the two starter bolts. This can save significant time and complexity. 🎬 See how to replace the starter without removing the manifold. Always disconnect the negative battery terminal before beginning work.

Frequently Asked Questions

Can I drive my Optima with a failing starter?

No. While the car will run normally once started, a failing starter is unreliable. The next time you turn the car off, it may not start again, leaving you stranded.

Is a new aftermarket starter as good as the original Kia part?

It depends on the brand. Premium brands like Bosch and Denso, or OEM-equivalent brands like Mando and Valeo, often meet or exceed original specifications and are excellent choices. Standard brands offer a good value but may not have the same longevity as a premium or OEM part.

Is this a difficult DIY job? 🎬 Watch this video to see the starter location and removal.

For a moderately experienced DIYer, this job is very manageable. It requires basic hand tools (sockets, wrenches). The main challenge is accessing the starter by loosening the intake manifold. The job can typically be done in 1-2 hours.

Are there any recalls on the 2008-2013 Optima starter?

No, there are no specific recalls or widespread Technical Service Bulletins (TSBs) from Kia or the NHTSA for starter motor failure on the 2008-2013 Optima.

Troubleshooting A No Crank No Start Problem On A 2011 Kia Optima/ Good Battery/ Won't Run...Fix
Troubleshooting A No Crank No Start Problem On A 2011 Kia Optima/ Good Battery/ Won't Run...Fix
Easy Kia Optima Starter Replacement
Easy Kia Optima Starter Replacement
2008 Kia Optima starter replacement, you're doing it wrong, work smart not hard.
2008 Kia Optima starter replacement, you're doing it wrong, work smart not hard.
2013 KIA Optima replace the starter please subscribe for more videos thanks for watching 🇨🇦🇵🇭
2013 KIA Optima replace the starter please subscribe for more videos thanks for watching 🇨🇦🇵🇭
starter replacement 2013 Kia optima
starter replacement 2013 Kia optima
KIA OPTIMA ENGINE STARTER REPLACEMENT LOCATION REMOVAL
KIA OPTIMA ENGINE STARTER REPLACEMENT LOCATION REMOVAL

Technical Specifications

OEM Part Numbers: 36100-25020 36100-2G000 36100-3E020 36100-3E100 36100-2G100

Fits 2.4L I4 and 2.7L V6 engines for the 2008-2013 Kia Optima. Typically a 12-volt motor with an 8-tooth pinion gear and a power rating of 1.2 kW. Part numbers may vary between engine sizes, so confirm fitment before ordering.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Jun 1, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Starter for:
  • Kia Optima: 200820092010201120122013
In this article
🎬 Helpful Videos
Jump to ▴

Email This Guide

We'll send you a link to this article so you can read it later or share it.

Added to cart · Part