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If your Kia Forte is sputtering, hesitating, or running roughly, the ignition coil can be a common source of those drivability problems. Choosing the right ignition coil matters because fit, electrical output, and durability directly affect engine performance and reliability. This guide shortlists the top options for the Kia Forte and explains the practical criteria we used when evaluating them. Expect clear guidance on fitment, electrical specs, and common symptoms to help you decide which coil suits your needs. Read on for the top picks and what to look for next.
Looking for other parts? See all Kia Forte parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | PZ Ignition Coil Pack and Iridium Spark Plugs Set (fit for Kia Forte) |  |
| Most Popular A crowd favorite that many people choose with confidence | AA Ignition Coil Pack Set of 4 — Replacement for Hyundai & Kia (replaces 27300-2E000) |  |
| Best Quality Built to a higher standard if you want something more solid | Autowxjq Ignition Coil and Iridium Spark Plug Kit (Set of 4) Compatible with Kia Forte 2.0L |  |
| Best Budget The cheapest option that still gets the job done reliably | Motorevo UF651 Ignition Coil Pack (4-pack) |  |
| Most Sold A high-volume bestseller chosen again and again | LCWRGS Set of 4 Ignition Coil Packs and Spark Plugs for Kia Forte 2.0/1.8 L4 |  |
| Best Value for Money The sweet spot between price and what you get | TAUTOY UF651 Ignition Coil Pack with Iridium Spark Plugs (4-Pack) |  |
| Best Overall The best all-around choice for most situations | A-Premium Ignition Coil Pack and Iridium Spark Plug Kit (Set of 4) |  |
1. PZ Ignition Coil Pack and Iridium Spark Plugs Set (fit for Kia Forte)
| Included Components | Set of 4 ignition coils and 4 spark plugs |
|---|---|
| Compatible with Vehicle Type | Car |
| Part Interchange Info | Replaces UF651, 273002E000, C1804, 97390, LKR7BGPS |
| Connector Gender | Male |
This PZ kit combines four ignition coil packs with four iridium spark plugs to replace worn ignition components on compatible Kia Forte models. Installation is straightforward for a routine tune-up: swap the coil packs and plugs one bank at a time to maintain correct firing order. The coils are described as built to OEM-style specifications with high-conductivity wire and high-dielectric resin for heat resistance, while the iridium plugs use fine electrodes intended to extend service life and support stable idling and combustion. In practice the set addresses common symptoms like misfires, hard starts, and reduced fuel efficiency and should restore smooth power delivery when matched to the correct part numbers. Buyers should check part interchange details carefully because fit depends on matching the listed part numbers. Some users report the spark plugs arrive ungapped and may need checking and adjustment before installation. The kit offers a convenient all-in-one replacement for a reliability-focused owner but requires basic gap checking and proper fit confirmation before fitting.
Best for: A reliability-focused buyer who prefers replacing multiple ignition components at once to restore consistent starting and fuel economy on a Kia Forte and values factory-quality replacements.
Less Ideal for: Drivers who want pre-gapped, ready-to-install plugs with no adjustment or those unwilling to verify part numbers against their vehicle before purchase.
- Includes both four coil packs and four iridium spark plugs for a complete ignition tune-up
- Coils built to factory-style specification with materials aimed at heat resistance and stable conductivity
- Iridium spark plugs with fine electrodes for longer life and more consistent combustion
- Clear part interchange information to verify compatibility with Kia Forte models
- Spark plugs may ship without the gap set and require pre-installation checking and adjustment
- Fitment depends on matching listed part numbers so incorrect selection will lead to poor fit
Verdict A practical, reliability-minded tune-up kit for Kia Forte owners that bundles coil packs and iridium plugs but requires part-number verification and plug gap checking before installation.
2. AA Ignition Coil Pack Set of 4 — Replacement for Hyundai & Kia (replaces 27300-2E000)
| Compatible engines | 1.8L and 2.0L (listed for Forte 2014-2018 models) |
|---|---|
| Connector | Two-pin connector |
| Installation type | Bolt-On |
| Replaces part numbers | 27300-2E000, UF651, C1804, 5C1861, 1788511 |
This AA Ignition coil pack set of four replaces factory ignition coils on compatible Kia Forte models and is intended to fix misfires, rough idle, hesitation, and check-engine light codes caused by failed coils. Installation is bolt-on and straightforward for the accessible coils, so a DIYer can typically swap the exposed coils in under an hour; harder-to-reach positions may take longer. The listing notes the parts are made by an original equipment supplier and claim factory-quality fit and finish, which translates into a near-direct replacement that snaps into the two-pin connector used on many Forte engines. Buyers report immediate improvement in smoothness and fuel economy after replacement when coils were the root cause. Some users do report occasional early failures, so while the set offers clear value compared with dealer parts, there is some variability in longevity compared with genuine factory parts. This product is best used as a cost-effective repair or to keep spare coils on hand for a convenience-focused owner who prefers quick fixes over dealer visits.
Best for: Convenience-driven buyers who want a quick, affordable repair for a Kia Forte and prefer having replacement parts on hand to minimize downtime and shop trips.
Less Ideal for: Buyers who prioritize guaranteed factory-sourced parts or long-term OEM-backed durability should consider dealer or branded replacements instead.
- Direct-fit replacement for compatible Kia Forte engines to restore spark and eliminate misfires.
- Bolt-on installation that is straightforward for accessible coils, enabling DIY repairs.
- Sold as a set of four which provides spares and can be more economical than buying single factory parts.
- Made by an original equipment supplier and advertised to match factory fit and finish for easy installation.
- Some buyers report early failures on individual coils, so longevity can vary compared with factory parts.
- Not a genuine OEM part, so performance and durability may differ from dealer-sourced coils.
Verdict A cost-effective, direct-fit replacement set that gets a Kia Forte back to smooth running quickly, but with some variability in long-term durability.
3. Autowxjq Ignition Coil and Iridium Spark Plug Kit (Set of 4) Compatible with Kia Forte 2.0L
| Compatible engines | Kia Forte 2.0L |
|---|---|
| OEM part number | UF816 |
| Brand | Autowxjq |
This Autowxjq kit pairs four ignition coils with pre-gapped iridium spark plugs designed as a direct replacement for Kia Forte 2.0L engines. Installation is straightforward for anyone familiar with basic ignition work and is commonly used to restore lost power, stop misfires, and improve cold-start behavior. The iridium plugs arrive pre-gapped which saves time and reduces installation error, while the coils are built to operate under typical engine conditions. Buyers report fast fixes for misfires and smoother idle after replacement, and the parts are intended to be swapped in sync to avoid ignition-system mismatch. Expect the practical benefits of improved throttle response and potentially better fuel economy when replacing worn components. Some users have reported early failures and mixed durability experiences, so long-term reliability may vary and replacement support could be limited. Fitment is specific to the Forte 2.0L; if you want guaranteed longevity you may prefer a higher-cost branded alternative backed by extensive warranty support.
Best for: Performance-oriented owners who want a cost-effective, factory-style ignition refresh to restore throttle response and fix misfires on a Kia Forte 2.0L.
Less Ideal for: Drivers seeking the longest-lasting, top-tier branded ignition components or those who prefer extended manufacturer support should consider alternatives.
- Pre-gapped iridium spark plugs for easier, correct installation
- Designed to match factory-style fitment for Kia Forte 2.0L engines
- Addresses common symptoms like misfires, rough idle, and weak acceleration
- Some customers report premature coil failures indicating variable long-term reliability
- Manufacturer support and replacement process may be less convenient than larger brands
Verdict A practical, performance-focused ignition coil and iridium plug kit for the Kia Forte 2.0L that restores driveability affordably but has mixed long-term reliability reports.
4. Motorevo UF651 Ignition Coil Pack (4-pack)
| Compatible with Vehicle Type | Car |
|---|---|
| Connector Gender | male |
| Part Interchange Info | Direct replacement for UF651, UF-651, SKIC507, GN10633, COP571, C898, C1804, 5C1861, 27300-2E000, 21A0112, 178-8511, 6738305, 1788511, 48871, 5147, 273002E000, 27301-2E000, 273012E000 |
| Included Components | UF651 Ignition Coil Pack x 4 |
This Motorevo UF651 four-pack provides direct-replacement ignition coils intended to restore spark consistency and resolve misfires on compatible Kia Forte engines. Installation is straightforward for a typical DIYer or technician because the pack matches factory connector orientation and part interchange numbers listed for UF651-type coils. The product emphasizes stable high-voltage output and copper windings with ceramic insulation, which in practice helps the engine run smoother and can clear cylinder misfire codes. Buyers report the coils fit like originals and are easy to install, making them a practical budget repair when one or more coils fail. Important limitations are that this is an aftermarket part and long-term durability can vary compared with factory-quality coils, and fitment is vehicle- and engine-specific so you must confirm the Forte submodel and year before installing. For owners replacing a single failed coil, the four-pack gives spares but may be more than needed for an isolated issue.
Best for: Budget-conscious Forte owners who prioritize low-cost repairs and prefer replacing coils themselves or getting a simple shop installation to clear misfires and restore drivability.
Less Ideal for: Owners seeking a long-term OEM-level replacement or those who prefer single-coil purchases to replace only one failed unit should consider other options.
- Sold as a complete four-pack so you can replace all coils at once and avoid future mismatch issues
- Direct replacement connector and listed interchange numbers simplify fitment verification for Forte models
- Copper windings and ceramic insulation aim to provide stable high-voltage output for consistent ignition
- Multiple user reports of easy installation and resolved misfire codes on Forte engines
- Aftermarket construction may not match long-term durability of factory-quality coils
- Pack includes four coils which may be unnecessary if only one failed coil needs replacement
Verdict A cost-conscious, direct-replacement four-pack that restores ignition on compatible Kia Forte models but may not match factory longevity.
5. LCWRGS Set of 4 Ignition Coil Packs and Spark Plugs for Kia Forte 2.0/1.8 L4
| Compatible with Vehicle Type | Car |
|---|---|
| Part Interchange Info | Replaces UF651, 5C1861, C1804, 273002E000, 1788511, 6738305, GN10633 |
| Connector Gender | Male |
| Installation Type | Screw-In/Bolt-On |
This LCWRGS kit bundles four ignition coil packs with four spark plugs intended as a direct factory-style replacement for Kia Forte four-cylinder engines. It is used when a misfire, rough idle, poor fuel economy, or a check engine light points to failing coils or fouled plugs. The coils claim high-dielectric epoxy and conductive copper windings to deliver reliable spark and longer service life, while the included plugs let you replace both wear items in one service, simplifying maintenance and saving a trip to the parts store. Installation is screw-in/bolt-on and follows the factory procedure for coil swap and plug replacement. Practical benefits include getting all four cylinders refreshed at once and compatibility with common Forte engine part numbers so fitment is straightforward. Limitations are that this is an aftermarket kit rather than factory-brand components and spark plugs may require gap checking before installation, so a cautious owner should verify gap and torque values during install.
Best for: Risk-averse mainstream buyers who prefer replacing worn ignition components with a complete kit that reduces repeat visits and simplifies maintenance.
Less Ideal for: Buyers seeking OEM-branded parts with manufacturer-backed fitment assurances or those who prefer professional shop-supplied components with dealer warranty handling.
- Includes both coil packs and spark plugs so you can replace coils and plugs in one service visit
- Designed to match common Kia Forte four-cylinder part numbers for straightforward fitment
- Claims improved dielectric and conductivity features intended to support consistent spark and longer life
- Screw-in/bolt-on installation follows factory replacement procedure for DIY or shop installation
- Aftermarket product so exact longevity and tolerance match to factory parts can vary
- Spark plugs may not be pre-gapped and require verification before installation
Verdict A practical, all-in-one coil and plug replacement kit for Kia Forte owners who want a straightforward, lower-risk fix without sourcing parts separately.
6. TAUTOY UF651 Ignition Coil Pack with Iridium Spark Plugs (4-Pack)
| Compatible with Vehicle Type | Car |
|---|---|
| Part Interchange Info | Interchangeable with OEM part UF651 |
| Connector Gender | Female-to-Male |
| Installation Type | Bolt-On or Screw-In |
This TAUTOY kit bundles four ignition coils with four iridium spark plugs intended as a direct replacement for UF651-style coils on 1.8L and 2.0L Kia Forte engines. It is used to restore proper spark delivery when a misfire, rough idle, or hesitation appears. The coils are described as corrosion-resistant with high dielectric epoxy and copper windings, and the plugs are iridium for stable spark performance. Installation is bolt-on and matches the factory connector orientation, making it suitable for a DIY swap or quick shop install. Buyers will appreciate the full-set approach that replaces all cylinders at once, reducing diagnosis time and mismatched component wear. Limitations are typical for aftermarket kits: long-term durability may vary from factory parts, and the product relies on correct fitment to the Forte engine—confirming part numbers before purchase is recommended. The kit includes a one-year warranty and is function tested at production, which helps with short-term reliability confidence.
Best for: Practical optimizers looking to refresh the ignition system on a Kia Forte affordably and reduce the likelihood of repeated diagnostics by replacing all coils and plugs together.
Less Ideal for: Drivers seeking factory-brand parts with long-term OEM-proven longevity or professional restorations where OEM matching is required should consider alternatives.
- Complete 4-cylinder kit replaces all coils and plugs at once to eliminate mismatched wear and save installation time.
- Designed to match factory connector orientation for straightforward bolt-on installation.
- Iridium spark plugs provide consistent spark and improved ignition stability over basic copper plugs.
- Manufacturer states function and leakage testing during production and corrosion-resistant connections for improved short-term reliability.
- Aftermarket construction may not match long-term durability of factory-brand parts.
- Fitment must be verified against the Forte engine and part number before installation to avoid compatibility issues.
Verdict A budget-friendly full-set coil and iridium plug kit that makes a practical, quick replacement for Forte 1.8L/2.0L ignition issues, provided you confirm fitment.
7. A-Premium Ignition Coil Pack and Iridium Spark Plug Kit (Set of 4)
| Compatible with Vehicle Type | Car |
|---|---|
| Part Interchange Info | Equivalent to UF651, 273002E000, C1804, 97390, LKR7BGPS |
| Connector Gender | Male |
| Coil Terminal Quantity | 2 |
This kit bundles four 2‑pin bolt‑on ignition coil packs with iridium‑tipped spark plugs intended as direct replacements for compatible 2.0L and 1.8L 4‑cylinder engines. Installation is plug‑and‑play on supported vehicles and typically takes less than an hour for a DIY owner with basic hand tools. The iridium center electrode is marketed to extend spark plug life and stabilize idle, which in practice means smoother starting and improved throttle response after replacing worn components. The coils use blade terminals and a valve‑cover mounting style, so they fit the factory mounting points and connector orientation for the listed engines. Buyers should expect factory‑replacement fit and immediate symptom relief for misfires, rough idle, and hard starting, but long‑term durability is subject to driving conditions and maintenance. The kit includes parts referenced to common interchange numbers for easy crosschecking. If you need OEM lifetime expectations or dealer‑level warranty service, a dealer part may be preferable, but this kit offers strong value for routine maintenance or corrective repairs.
Best for: Balanced buyers who want a cost‑effective, one‑purchase replacement to restore smooth running and fix misfires on their Kia Forte without the premium cost of dealer parts.
Less Ideal for: Those seeking guaranteed dealer‑level longevity or a full manufacturer service package should consider OEM parts or dealer replacements instead.
- Complete kit with four coil packs and matching iridium spark plugs for single‑service replacement
- Iridium plugs provide a finer electrode for longer service life and crisper starting compared with standard nickel plugs
- Bolt‑on, plug‑in design matches factory mounting points for straightforward DIY installation
- Includes commonly used part interchange numbers to verify fitment before purchase
- Not a branded dealer part so long‑term longevity versus factory parts can vary
- Warranty covers the cost of the item only and excludes labor or related repair expenses
Verdict A convenient, value‑oriented kit that replaces all four coils and plugs to quickly cure misfires and restore smooth operation on supported Kia Forte engines.
Choosing the Right Kia Forte Ignition Coil: Key Factors to Consider
Fitment and Connector Type
Correct fitment is the most basic requirement for an ignition coil. The coil must match the Kia Forte's mounting points, electrical connector, and spark plug boot length to avoid installation problems or poor electrical contact.
A mismatched connector or incorrect boot length can cause intermittent connection, arcing, or mechanical strain. Confirming OEM-style mounting and connector geometry reduces the risk of vibration-related failures and simplifies replacement without modifications.
Electrical Specifications
Primary and secondary resistance values, as well as maximum voltage rating, determine how the coil performs under load. Coils with documented resistance and voltage handling allow you to compare against factory specifications and ensure consistent spark energy across operating conditions.
A coil that cannot sustain adequate voltage or that has out-of-spec resistance may cause weak sparks, leading to misfires, poor fuel economy, and rough idle. Prefer coils with clear electrical data so you can match them to the vehicle's ignition requirements.
Thermal Durability and Materials
Ignition coils operate in a hot engine bay and must resist heat cycles and thermal stress. Materials, potting compounds, and design features like improved heat sinks affect how long a coil will function reliably.
A coil with better thermal management is less likely to crack, develop internal shorts, or degrade insulating materials. For vehicles driven in hot climates or with stop-and-go traffic, thermal durability becomes even more important to prevent premature failure.
Resistance to Moisture and Contaminants
Exposure to moisture, oil, and road grime can degrade coil performance over time. Sealing quality, protective boots, and corrosion-resistant terminals help prevent path-to-ground leaks and electrical leakage that cause misfires or erratic behavior.
Choose coils with robust sealing and corrosion-resistant contacts to minimize service issues, especially if the vehicle is used in wet or salty environments where contamination risk is higher.
Warranty and Support Documentation
A clear warranty and accessible documentation signal manufacturer confidence and make troubleshooting easier. Warranties vary in length and coverage, so consider the level of protection offered for electrical failure or premature degradation.
Good documentation includes installation notes, electrical specifications, and troubleshooting tips. These materials reduce guesswork during installation and help identify whether a replacement part is defective or incompatible.
Ease of Installation and DIY Considerations
For many owners replacing an ignition coil, straightforward installation reduces time and risk. Features that matter include OEM-style connectors, clear polarity markings, and availability of simple instructions for torque values and connector mating.
If you plan to replace coils yourself, check that typical tools are sufficient and that access to the coil on the Kia Forte is manageable. Ease of installation lowers the chance of damage during service and makes it practical to address multiple coils if symptoms suggest several have aged together.
FAQ
What are common signs I need a new ignition coil on a Kia Forte?
Common signs include engine misfires, rough idle, reduced acceleration, and the check engine light. You may also notice increased fuel consumption or hesitation during acceleration. These symptoms often point to an ignition issue but can also stem from spark plugs, fuel delivery, or sensors, so diagnose carefully.
Can I replace a Kia Forte ignition coil myself?
Many owners can replace a coil with basic hand tools, a torque wrench, and some mechanical confidence. Accessible coils and OEM-style connectors make DIY replacement straightforward. Follow safety precautions, disconnect the battery when needed, and consult vehicle service procedures for torque specs and connector release methods.
How do I test an ignition coil on a Kia Forte?
You can perform basic checks with a multimeter by measuring primary and secondary resistance and comparing values to specifications. Additional testing with a dedicated ignition tester or oscilloscope reveals voltage output and waveform characteristics. Balanced testing helps distinguish coil faults from spark plug or wiring issues.
Will changing the ignition coil fix a persistent misfire?
Replacing a failing coil often resolves misfires caused by weak or intermittent spark, but misfires can have multiple causes. If misfire codes persist after coil replacement, inspect spark plugs, ignition wiring, fuel delivery, and engine sensors. A methodical diagnostic approach usually identifies the root cause.
How long do ignition coils typically last in a Kia Forte?
Lifespan varies with driving conditions, heat exposure, and maintenance, but coils commonly last many years under normal use. Factors such as frequent short trips, extreme temperatures, and contamination can shorten service life. Regular inspection and addressing early symptoms can extend coil longevity.
What should I check before buying a replacement ignition coil?
Verify exact fitment for your Kia Forte year and engine, confirm connector type and boot length, and check electrical specifications like resistance values. Also review installation notes and warranty terms. Ensuring these factors match reduces the risk of installation issues and premature failure.
How We Chose the Best Kia Forte Ignition Coil
To build this shortlist we focused on factors that have the biggest impact on in‑service performance and long term reliability for Kia Forte ignition coils. Primary evaluation criteria included exact fitment to the Kia Forte ignition system and connector type, measured or specified secondary and primary coil resistance and voltage handling, and build features such as coil packaging and thermal protection that affect heat tolerance. We also considered claims and documentation for durability, warranty coverage, and manufacturer quality controls. Ease of installation and the availability of installation guidance were assessed for the DIY-minded buyer, and we reviewed reported symptom resolution for common issues like misfire and rough idle.We excluded coils that lack clear fitment data for the Kia Forte or that do not provide electrical specifications. Units intended for racing or heavily modified engines were not included, since they fall outside typical replacement needs. The resulting list emphasizes parts that balance correct electrical performance, reliable fitment, and long-term durability for everyday driving.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a replacement ignition coil for a Kia Forte, prioritize correct fitment, documented electrical specs, and robust thermal and moisture protection. These attributes have the biggest impact on restoring reliable ignition performance and avoiding repeat visits.Balance ease of installation and warranty support against long-term durability. Addressing symptoms early and selecting a coil that matches the vehicle's electrical requirements will reduce misfires and improve drivability.
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