7 Best Starter Motors for Kia Optima: Restore Reliable Engine Starts

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: April 29, 2026

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If your Kia Optima struggles to crank or shows signs of a failing starter, choosing the right starter motor matters for dependable daily driving. The correct starter ensures consistent engine engagement, minimizes electrical strain, and reduces the chance of getting stranded. This guide covers seven shortlisted starter motors that fit the Kia Optima and summarizes the evaluation criteria used to narrow the field. Read on to understand the performance and installation considerations that informed these top picks.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
BDELI Starter Motor for Kia Optima L4 2.4L (Replacement for 361002G100)BDELI Starter Motor for Kia Optima L4 2.4L (Replacement for 361002G100)
Most Popular
A crowd favorite that many people choose with confidence
SCITOO Starter Motor compatible with Kia/Hyundai 12V 1.2kW 11‑tooth CW PMGRSCITOO Starter Motor compatible with Kia/Hyundai 12V 1.2kW 11‑tooth CW PMGR
Best Quality
Built to a higher standard if you want something more solid
A-Premium Starter Motor for Kia Optima and Select Hyundai/Kia Models, 12V 1.2kW, 11-Teeth ClockwiseA-Premium Starter Motor for Kia Optima and Select Hyundai/Kia Models 12V 1.2kW 11-Teeth Clockwise
Best Budget
The cheapest option that still gets the job done reliably
maXpeedingrods Starter Motor (replacement for Kia Optima 2012–2013)maXpeedingrods Starter Motor (replacement for Kia Optima 2012–2013)
Most Sold
A high-volume bestseller chosen again and again
NA Car Parts Starter Motor for 2016–2020 Kia OptimaNA Car Parts Starter Motor for 2016–2020 Kia Optima
Best Value for Money
The sweet spot between price and what you get
SZKAIDAG Starter Motor 12V 1.2KW (Replace 36100-3E020)SZKAIDAG Starter Motor 12V 1.2KW (Replace 36100-3E020)
BDELI BD19090N Starter Motor for Kia Optima (2.4L)BDELI BD19090N Starter Motor for Kia Optima (2.4L)

1. BDELI Starter Motor for Kia Optima L4 2.4L (Replacement for 361002G100)

BDELI Starter Motor for Kia Optima L4 2.4L (Replacement for 361002G100)
Best Reviewed
A replacement 12V starter motor designed to fit Kia Optima 2012–2014 L4 2.4L engines, offering a factory-style replacement with tested performance and a one-year replacement warranty.
Wattage1200 watts
Voltage12V
Material TypeMetal
ModelBD19090N new

This BDELI starter motor is a direct replacement designed for the Kia Optima 2012–2014 with the 2.4L L4 engine and installs where the factory unit would. It provides the core function of cranking the engine reliably at 12 volts and is rated at about 1.2 kW, which matches typical starter output for this application. The unit is metal-bodied and built under ISO and IATF quality controls, with factory-level testing claimed and a one-year free replacement policy. In real-world use it restores normal starting behavior and reviewers report OEM-like fit and dependable performance once installed. Expect a relatively involved installation on some Optima models that may require partial disassembly or basic mechanic experience. The primary limitations are that this is an aftermarket part rather than a factory-branded unit and any nontrivial installation or vehicle-specific electrical troubleshooting may add cost if you need professional labor. For buyers focused on reliable, cost-effective restoration of starting function, this starter covers the essentials without extra features.

Best for: Practical, reliability-focused buyers who prioritize restoring dependable starting performance on a Kia Optima 2012–2014 without paying for a dealer-branded unit.

Less Ideal for: Buyers who want an OEM-branded starter or who need a plug-and-play swap with minimal installation effort should consider dealership parts or professional installation services.

Pros:
  • Made to replace factory starter for Kia Optima 2012–2014 2.4L with matching power rating
  • Manufactured in ISO 9001 and IATF 16949 certified facilities with professional testing
  • Metal construction intended for durability in underhood conditions
  • Includes one-year free replacement to protect against early failures
Cons:
  • Aftermarket unit rather than factory-branded part which may concern some buyers
  • Installation on the Optima can be labor intensive and may require professional help

Verdict A tested, cost-conscious aftermarket replacement that reliably restores starting on 2012–2014 Kia Optima 2.4L models though installation may require extra effort.

2. SCITOO Starter Motor compatible with Kia/Hyundai 12V 1.2kW 11‑tooth CW PMGR

SCITOO Starter Motor compatible with Kia/Hyundai 12V 1.2kW 11‑tooth CW PMGR
A direct-replacement 12V PMGR starter rated 1.2 kW with an 11‑tooth pinion and clockwise rotation designed for several Kia Optima and Hyundai models.
Power Rating1.2 kW
Voltage12V
RotationCW
Starter TypePMGR
Number of Teeth11-Tooth Pinion

This SCITOO starter motor is a direct-replacement unit intended to crank 2.0L and 2.4L Kia Optima and compatible Hyundai engines. It installs like a standard replacement starter and is typically used when the original starter fails to engage or crank reliably. Notable features listed include a 1.2 kW (about 1.61 HP) power rating, 11‑tooth pinion, clockwise rotation, and PMGR starter type, which mirror common factory specifications for affected models. In practical use the unit offers a budget‑friendly way to get a nonstarting Optima back on the road and many owners report easy installation and immediate fixes. Build notes and user reports suggest decent fitment and testing against factory specifications, but quality appears variable across units so some buyers may encounter early failures or minor installation fiddling such as tapping to engage. Expect a lower cost alternative that performs like a factory replacement when it works, but be prepared to verify fitment and inspect connections during install.

Best for: Convenience-driven buyers who prioritize a fast, economical replacement to get a Kia Optima back on the road with minimal downtime and installation effort.

Less Ideal for: Buyers seeking long-term premium durability or extended service life under heavy-duty use should consider higher-end or remanufactured starters instead.

Pros:
  • Designed to match common factory starter specifications for Optima/Sonata/Tucson fitments
  • 1.2 kW power rating suitable for typical 2.0L and 2.4L engines
  • PMGR design and 11‑tooth pinion provide conventional starter engagement
  • Many buyers report straightforward installation and immediate resolution of starting issues
Cons:
  • Build quality and longevity appear inconsistent between units according to user reports
  • Some units may require minor adjustments or tapping during first install to engage properly

Verdict A budget-friendly, factory-spec replacement that gets most Optimas started quickly but has mixed long-term reliability reports.

3. A-Premium Starter Motor for Kia Optima and Select Hyundai/Kia Models, 12V 1.2kW, 11-Teeth Clockwise

A-Premium Starter Motor for Kia Optima and Select Hyundai/Kia Models 12V 1.2kW 11-Teeth Clockwise
Best Quality
A-Premium replacement starter motor rated 12V and 1.2 kW designed to replace factory-style starters on compatible Kia Optima and select Hyundai/Kia 2.0L/2.4L engines.
Voltage12 Volts
Wattage1.2 KW
Number of Teeth11
RotationClockwise
Reference Number52168, 361002G300, 361002G300RU

This A-Premium starter is a direct-replacement style unit engineered to engage the flywheel with an 11-tooth pinion and clockwise rotation, delivering the 1.2 kW of cranking power needed for affected engines. It is used the same way as a factory starter: remove the failed unit, install the replacement, and reconnect wiring and mounting bolts. Notable features include a factory-style mounting pattern, matched rotation and tooth count for proper engagement, and a 12V motor that delivers typical cold-cranking torque for 2.0L and 2.4L engines. In real-world use buyers report straightforward fitment and reliable starting performance after installation, and the unit is relatively affordable compared with dealer parts. Important limitations are that physical length can differ from the original on some vehicles so fit checks are recommended before final installation, and long-term durability may vary compared with OE-brand starters. The product comes with a one-year unlimited-mileage guarantee from the brand.

Best for: Performance-oriented buyers who prioritize dependable starting power and quick restoration of vehicle function after a failed starter, especially those who want a near-factory replacement without dealer lead times.

Less Ideal for: Buyers seeking factory-branded parts with guaranteed long-term OEM service life or those unwilling to verify physical fit before installation should consider dealer or OEM alternatives.

Pros:
  • Factory-style fitment pattern and matching rotation and tooth count for correct engagement
  • 1.2 kW, 12V motor provides adequate cranking power for the listed engines
  • Many buyers report easy installation and immediate reliable starting performance
  • Includes a one-year unlimited-mileage guarantee from the brand
Cons:
  • Physical length may differ from the original starter on some vehicles which can complicate installation
  • Not a name-brand OEM unit so long-term longevity may be less predictable than factory replacements

Verdict A good-value, factory-style replacement that restores reliable cranking power quickly, but confirm physical fit and accept some uncertainty about long-term durability.

4. maXpeedingrods Starter Motor (replacement for Kia Optima 2012–2013)

maXpeedingrods Starter Motor (replacement for Kia Optima 2012–2013)
Best Budget
A direct-replacement 12V starter motor sold as a budget-friendly option for Kia Optima 2.4L models that matches common OEM part numbers and rotation direction.
Voltage12 Volts
Power1.2 kW
Pinion11-Tooth
RotationClockwise (CW)

This maXpeedingrods starter motor is marketed as a direct replacement for the Kia Optima L4 2.4L (2012–2013) and is intended to replace the factory unit quickly and affordably. It installs the same way as a factory starter: remove the old unit, swap electrical connections and mounting bolts, and refit the heat shield or covers as needed. Notable details include 12 volts, 1.2 kW output, clockwise rotation, an 11-tooth pinion and PMGR design, and explicit cross-reference part numbers so you can confirm fitment to the Optima. Those features mean it delivers the same basic cranking performance as an OEM-style replacement while keeping cost down. The product comes from ISO 9001 and IATF 16949 certified facilities and includes a two-year warranty for quality-related issues. Expect a solid budget option that covers routine replacement needs, but be aware that aftermarket starters sometimes have greater variability in long-term durability compared with higher-end remanufactured or factory-direct units, so inspect connectors and clearances during installation.

Best for: Budget-conscious Kia Optima owners who prioritize a low-cost, straightforward replacement to get a 2012–2013 2.4L back on the road quickly without paying for a factory remanufacture.

Less Ideal for: Owners seeking the longest possible service life or exact factory remanufactured components who plan to keep their Optima for many years should consider higher-end remanufactured or dealer-sourced starters instead.

Pros:
  • Specifically references compatible Kia Optima 2.4L 2012–2013 fitment for easy verification
  • 12V, 1.2 kW PMGR design with clockwise rotation matches common factory starter characteristics
  • Includes cross-reference part numbers to confirm correct replacement
  • Manufactured in ISO 9001 and IATF 16949 certified facilities and backed by a two-year warranty
Cons:
  • Aftermarket unit may not match long-term durability of premium remanufactured or factory-quality starters

Verdict A cost-effective, OEM-compatible replacement for the Kia Optima 2.4L (2012–2013) that balances correct fitment and basic performance with budget pricing.

5. NA Car Parts Starter Motor for 2016–2020 Kia Optima

NA Car Parts Starter Motor for 2016–2020 Kia Optima
Most Sold
A replacement starter motor designed for 2016–2020 Kia Optima models offering high-torque starting and corrosion-resistant construction.
Compatible Years2016-2020
Compatible ModelsKia Optima
Engine Compatibility2.0 L4, 2.4 L4

This NA Car Parts starter motor is a direct replacement option aimed at restoring reliable starting for 2016–2020 Kia Optima vehicles. It is used the same way as a factory starter: install it in place of a failed unit to return consistent engine cranking. Notable features called out include a galvanized body for better corrosion resistance, a high-torque one-way clutch armature for smoother engagement, and weatherproof testing for dependable performance in varied conditions. In practice that means it should crank briskly on cold mornings and resist corrosion in humid climates. Some buyers will appreciate the claimed long-term reliability and the included housing which simplifies installation. Expect typical limitations of aftermarket starters: fitment must be verified against your Optima submodel and engine before purchase, and a few customers report occasional fitment mismatches on non-listed vehicles. For a risk-averse driver wanting a straightforward replacement for a specific Optima year and engine, this is a practical, cost-conscious choice.

Best for: Buyers who prioritize avoiding unexpected roadside failures and want a straightforward replacement that restores factory-like starting reliability for a Kia Optima.

Less Ideal for: People who prefer OEM-branded parts or who need guaranteed direct dealer-fit replacement should consider factory-quality alternatives.

Pros:
  • Galvanized body improves corrosion resistance for longer service life in wet or salty conditions
  • High-torque one-way clutch armature promotes reliable engagement and smoother engine starts
  • Designed and tested for varied weather and temperature conditions to enhance dependability
  • Includes housing which can simplify installation and reduce parts mismatch
Cons:
  • Fitment compatibility varies by submodel and engine so confirmation is necessary before purchase
  • Some reviewers report receiving units that did not match their vehicle, indicating occasional quality-control issues

Verdict A weather-tested, high-torque aftermarket starter that offers a practical replacement for 2016–2020 Kia Optima owners who want reliable starting without choosing an OEM unit.

6. SZKAIDAG Starter Motor 12V 1.2KW (Replace 36100-3E020)

SZKAIDAG Starter Motor 12V 1.2KW (Replace 36100-3E020)
Best Value for Money
A 12V, 1.2 kW replacement starter motor intended to match factory fit and function for compatible Kia and Hyundai 3.5L V6 models.
Voltage12 Volts
Wattage1.2 KW
Number of Teeth8
RotationCW (Clockwise)

This SZKAIDAG starter motor is a direct-replacement style unit designed to restore cranking on compatible 3.5L V6 vehicles. It is used in place of a failed factory starter and bolts into the same mounting points, with an 8-tooth pinion and clockwise rotation matching the original specification. The unit advertises a pressed copper/graphite brush holder, a gear-reduction box for higher torque, and a galvanized electromagnetic switch intended to improve durability and reduce noise during engagement. In practice this means you can expect straightforward swap-in installation for mechanically intact engines and noticeably quiet operation compared with older, worn starters. Buyers should note fitment checks are essential because physical condition of the engine mounting area or stripped bolts can prevent installation, and occasional early issues reported by some users suggest variability in quality control. For someone repairing a 3.5L V6, this offers factory-style performance at a value-oriented price, but be prepared to verify part numbers and inspect mounting hardware before installation.

Best for: Buyers who prioritize practical value and want a cost-effective, factory-style replacement to get a 3.5L V6 back to reliable starting without paying premium OEM prices.

Less Ideal for: Those seeking guaranteed OEM-level longevity or a plug-and-play solution when the vehicle has existing mechanical damage around the starter mounting area should consider professional remanufactured or dealer options instead.

Pros:
  • Direct-replacement design matches original mount points and rotation for compatible 3.5L V6 applications.
  • Brush holder and materials specified for good electrical conductivity and reduced resistance.
  • Gear-reduction box increases torque for reliable engine cranking at low RPM.
  • Advertised quiet operation reduces starter noise during engine start.
Cons:
  • Fitment can be blocked by damaged or stripped mounting hardware, requiring extra repair work.
  • Some buyers report occasional quality-control variability across units.

Verdict A budget-minded, factory-style replacement starter that delivers quiet, high-torque cranking for compatible 3.5L V6 models if fitment and mounting hardware are in good condition.

7. BDELI BD19090N Starter Motor for Kia Optima (2.4L)

BDELI BD19090N Starter Motor for Kia Optima (2.4L)
Best Overall
A direct-fit aftermarket starter motor designed to replace the factory unit on 2.4L Kia Optima models, offering tested performance and a one-year replacement policy.
Wattage2 KW
Phase Typecranking
Material TypeAluminum, Cast Iron

This BDELI BD19090N starter motor is an aftermarket replacement intended to restore reliable starting on Kia Optima 2.4L engines. It installs in place of the factory starter and performs the same basic function: engage the flywheel and crank the engine when you turn the key. The unit is built from aluminum and cast iron parts and is produced in ISO 9001 and IATF 16949 certified facilities, with 2 kW cranking power listed in the product details. Buyers report a close fit to factory specifications and dependable starting across a range of model years. Practical benefits include lower cost versus dealer parts and a one-year manufacturer replacement if quality issues arise. Important limitations are that installation on some Optima model years can be labor intensive and may require moderate disassembly or a professional installer, and long-term durability beyond the warranty period depends on driving conditions and maintenance. The starter is a sensible factory-replacement style option when you want OEM-like function without dealer pricing.

Best for: Balanced buyers who want a cost-effective, factory-replacement style starter for a Kia Optima 2.4L and value an off-the-shelf part that matches typical OEM performance.

Less Ideal for: Drivers seeking extended warranty coverage or those who prefer dealer remanufactured or upgraded high-output starters should consider other options.

Pros:
  • Direct-fit replacement for Kia Optima 2.4L applications so no modification should be needed
  • Manufactured in certified facilities with stated 2 kW cranking power for consistent starting performance
  • Constructed from aluminum and cast iron components for a balance of strength and corrosion resistance
  • Backed by a one-year manufacturer replacement policy for quicker resolution of defects
Cons:
  • May require significant labor to access and install on some Optima model years
  • Long-term durability beyond the one-year replacement period is not guaranteed by additional coverage

Verdict A practical, lower-cost factory-style replacement starter for the Kia Optima 2.4L that delivers OEM-like starting performance with a one-year replacement promise.

Choosing the Right Kia Optima Starter Motor: Key Factors to Consider

Compatibility and Fitment

A starter motor must match the Kia Optima's mounting pattern, electrical connections, and rotational direction to engage the flywheel properly. Incorrect fitment can lead to poor engagement, excessive wear, or installation delays. Check factory service specifications for bolt locations, terminal types, and gear engagement details. Confirming these dimensions ahead of purchase reduces the risk of returns or additional modifications during installation.

Electrical Specifications and Torque

Voltage and current draw determine how the starter interacts with the vehicle's charging system and battery. A starter with appropriate torque ensures smooth crank speed and reliable engagement, especially in cold-start conditions. Review the rated torque and stall current to ensure the component will not overload the battery or starter relay. Matching electrical specs helps avoid premature wear to the starter and related electrical components.

Build Quality and Materials

Durable materials and solid internal construction extend service life and resist issues such as accelerated wear or failure from heat and vibration. Look for quality bearings, robust pinion gears, and corrosion-resistant housings. Higher build quality often correlates with consistent engagement and fewer warranty claims. Consider units with sealed components where moisture intrusion is a concern.

Ease of Installation

Starter motor replacement can be time-consuming if access is difficult or connectors are awkward. Features that simplify installation include correct-length bolts, clear connector terminals, and a design that fits within the Optima's engine bay without extensive disassembly. Ease of installation reduces labor time and the chance of installation errors. If you plan to install the starter yourself, look for parts that align with common DIY tools and procedures.

Reliability and Warranty

Reliability reflects how long a starter will perform under typical driving conditions and how it copes with heat cycles and repeated starts. A meaningful warranty provides recourse if early failure occurs and indicates manufacturer confidence. Longer warranty periods and clear warranty terms are valuable for peace of mind, especially if the vehicle is used for frequent short trips that increase start cycles.

Serviceability and Parts Availability

Some starters allow individual components to be serviced or replaced, such as solenoids or brushes; others require complete unit replacement. Availability of replacement parts affects repair options and long-term maintenance costs. Consider how easy it will be to source replacement solenoids or mounting hardware locally. Ready availability of parts can reduce downtime and simplify future repairs.

FAQ

What are common starter motor symptoms on a Kia Optima?

Common symptoms often include a clicking noise when turning the key, slow or labored engine crank, or no crank at all. Intermittent starting issues and dashboard electrical anomalies during start attempts can also point to starter issues.

How do I test a starter on a Kia Optima?

Testing usually involves checking battery voltage under load, verifying power at the starter terminal while attempting to start, and listening for engagement sounds. A starter draw test can show excessive current draw, and a bench test can confirm if the unit engages and spins properly.

Can starter solenoid problems cause a clicking noise?

Yes. A failing solenoid often makes a repeated clicking sound as it attempts to engage the starter gear but cannot maintain contact. However, similar noises can come from low battery voltage or poor electrical connections, so diagnose the entire starting circuit.

Is starter motor installation difficult on a Kia Optima?

Difficulty depends on model year and engine layout. Some installations require removing components for access, while others are more straightforward. Basic mechanical skills and common tools are sufficient for many DIYers, but tight spaces may increase labor time.

Are starter motor replacement parts readily available?

Replacement solenoids, mounting bolts, and electrical connectors are generally available, though availability can vary by region. Choosing parts with common connector types and standard mounting hardware helps ensure easier sourcing when repairs are needed.

How We Chose the Best Kia Optima Starter Motor

We started by filtering parts specifically listed for the Kia Optima and prioritized units that met OEM fitment guidelines and electrical specifications. Key evaluation criteria included build quality and materials, compatibility with the Optima electrical system and mounting points, torque and engagement reliability, and expected service life under normal driving conditions. We also examined ease of installation, including access to mounting bolts and connector types, plus availability of replacement parts and warranty coverage. We excluded units with unclear fitment data, incomplete electrical specs, or poor documented longevity. We did not consider remanufactured units lacking clear refurbishment records. The resulting list emphasizes reliable fit, predictable performance, and practical installation features for Kia Optima owners.

Our full evaluation process is outlined in our review methodology.

Conclusion

Prioritize a starter motor that matches the Kia Optima's fitment and electrical requirements, balances robust construction with straightforward installation, and offers reliable service life. Tradeoffs typically involve ease of installation versus long-term durability, so weigh how often the vehicle is started and whether you prefer easier DIY repairs or longer warranty coverage. Focusing on compatibility, torque specifications, and parts availability will help you select a starter motor that restores dependable starting performance for your Optima.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.