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If your Buick Regal is hesitating, misfiring, or struggling to start, choosing the right ignition coil matters for everyday drivability and long-term engine health. The right coil restores consistent spark delivery, reduces rough idling, and helps avoid downstream issues like catalytic converter stress or fuel trim imbalance. This guide highlights seven shortlisted Buick Regal ignition coil options that meet common fitment and performance needs. We evaluated each on electrical output consistency and physical fitment, plus durability and ease of installation. Read on to see which features to prioritize for your situation.
Looking for other parts? See all Buick Regal parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | MANATEE UF680 Ignition Coil Pack with Double Iridium Spark Plugs (4-Pack) |  |
| Most Popular A crowd favorite that many people choose with confidence | A-Premium Ignition Coil Pack Set for Buick Regal (Set of 4) |  |
| Best Quality Built to a higher standard if you want something more solid | ENA Ignition Coil and Spark Plug Wire Set (Set of 3 coils + 6 spark plug wires) |  |
| Best Budget The cheapest option that still gets the job done reliably | Likala UF680 Ignition Coil Pack, 4-Pack |  |
| Most Sold A high-volume bestseller chosen again and again | Motorevo UF680 Ignition Coil Pack, set of 4 |  |
| Best Value for Money The sweet spot between price and what you get | ENA Ignition Coil Set (4) Compatible with Buick Regal 2.0L/2.4L |  |
| Best Overall The best all-around choice for most situations | X4XZ UF491 Ignition Coil and XP5263 Double Iridium Spark Plug Kit |  |
1. MANATEE UF680 Ignition Coil Pack with Double Iridium Spark Plugs (4-Pack)
| Included Components | Ignition Coil Pack and Double Iridium Spark Plugs Set |
|---|---|
| Installation Type | coil-on-plug |
| Part Interchange Info | UF680, 12654078 compatible |
| Connector Gender | Male |
This MANATEE kit bundles four UF680-style coil-on-plug ignition coils with matching double iridium spark plugs to replace a failing coil set on a 2.0T Buick Regal. Intended for straightforward swap-in replacement, the coils use thermoplastic connectors, epoxy sealing, and higher-insulation windings to resist heat and deliver consistent spark under typical driving. Including spark plugs in the same kit saves sourcing time and helps ensure the ignition system is refreshed all at once, which can resolve misfires, rough idle, and loss of power. Installation is the familiar coil-on-plug routine and should be within reach for home mechanics or techs servicing a Regal. The notable limitations are that long-term durability depends on component quality and correct fitment, and the product documentation and plug labeling show minor quality control issues reported by some buyers. For Regal owners seeking a full ignition refresh without buying separate parts, this package is a practical, reliability-oriented option if confirmed compatible with the specific model year and engine.
Best for: Reliability-focused buyers who prioritize restoring consistent engine performance on a Buick Regal 2.0T and prefer replacing the entire ignition coil and plug set at once to avoid repeat visits.
Less Ideal for: Those who want an exact factory-brand replacement or who prefer to replace only individual coils rather than the full set should consider alternative options.
- Complete kit includes four coil-on-plug units plus matching spark plugs for a synchronized ignition refresh
- Designed for high-temperature durability with epoxy resin and higher-insulation copper windings
- Listed as direct replacement for UF680/12654078 style coils for compatible engine applications
- Connector is male and uses a standard coil-on-plug installation familiar to technicians
- Long-term reliability is uncertain compared with established factory-quality brands
- Some users reported labeling or quality-control inconsistencies on the spark plugs
Verdict A convenient all-in-one coil and spark plug replacement aimed at Regal owners who want to restore reliable ignition performance without sourcing parts separately.
2. A-Premium Ignition Coil Pack Set for Buick Regal (Set of 4)
| Terminal Quantity | 4 |
|---|---|
| Terminal Type | Pin |
| Voltage | 12V |
| Mount Type | Bolt On |
These A-Premium coil packs replace the factory coil packs on compatible Buick Regal four-cylinder engines and come as a set of four for a full-bank service. Installation is bolt-on and intended to mount on the valve cover in place of the original coils, so a routine DIY swap or shop replacement is straightforward. Each coil is a 12V unit with a pin-type terminal and male connector that pairs with the factory wiring harness; the set lists several OEM reference numbers for fit confirmation. Practical benefits include the convenience of changing all four coils at once, which can quickly cure misfires, rough idle, and hesitation without sourcing individual parts. The product carries a one-year unlimited-mileage guarantee for the cost of the part. Buyers should note that build quality reports are mixed in long-term use, with some users seeing early failures or splitting rubber boots, so longevity may vary compared with higher-price factory-quality coils.
Best for: Drivers who prioritize convenience and want an affordable, ready-to-install replacement to quickly fix misfires and restore smooth running without sourcing individual coils.
Less Ideal for: Buyers seeking the highest-end, long-life performance or those who prefer OEM-brand ignition components for extended durability should consider higher-tier factory-quality options instead.
- Sold as a complete set of four for convenient full-bank replacement.
- Bolt-on installation designed for direct swap onto the valve cover for a quick repair.
- Lists OEM reference numbers to simplify verifying compatibility with Regal engines.
- 12V design and standard pin terminals match factory electrical connections.
- Quality and long-term durability appear inconsistent across user reports.
- Some customers reported rubber boots or parts degrading sooner than expected.
Verdict A convenient and budget-friendly four-pack replacement for Buick Regal four-cylinder engines that works well for quick repairs but may not match premium factory-quality longevity.
3. ENA Ignition Coil and Spark Plug Wire Set (Set of 3 coils + 6 spark plug wires)
| Compatible with Vehicle Type | Car |
|---|---|
| Connector Gender | male |
| Installation Type | Plug In |
| Part Interchange Info | replacement |
This ENA kit combines three plug-in ignition coils with a six-wire spark plug lead set intended as a direct replacement for 3.8L Buick Regal engines. It is used as a tune-up or repair when worn coils or cracked wires cause misfires, rough idle, or reduced performance. The plug-in installation type simplifies swapping parts without major wiring modifications and the male connector design matches factory-style connectors for straightforward fitment. Buyers will appreciate getting coils and wires together so both high-voltage components are refreshed at once, which helps restore consistent spark delivery and smoother running. Some listings note a two-year warranty and multiple compatibility references, but a few customers reported missing items in shipments, so verify the package contents on arrival. Expect a helpful upgrade for restoring engine smoothness and drivability on Regal 3.8L cars, though confirmation of exact model year coverage and a quick fit check before installation is advised.
Best for: Performance-oriented buyers who want to restore or maintain smooth spark delivery on a 3.8L Buick Regal and prioritize a coordinated coil-and-wire refresh to improve throttle response and reduce misfires.
Less Ideal for: Buyers who prefer OEM-branded parts or those unwilling to verify package contents on delivery should consider factory-quality alternatives or dealer-sourced replacements.
- Complete tune-up bundle includes ignition coils plus spark plug wires for a coordinated repair
- Plug-in installation type matches factory-style connectors for simpler replacement
- Designed specifically for 3.8L Buick Regal compatibility listed by the manufacturer
- Some customers reported receiving incomplete packages or missing components
- Fitment and exact year coverage should be double-checked before installation
Verdict A practical coil-and-wire kit for restoring spark consistency on 3.8L Buick Regal engines, but check contents and exact year fit before installing.
4. Likala UF680 Ignition Coil Pack, 4-Pack
| Brand Name | Likala |
|---|---|
| Replace Part Number | UF680 |
| Package Includes | 4 X Ignition Coils |
This Likala UF680 4-pack replaces worn ignition coils to restore reliable spark delivery and smooth engine operation on compatible Buick Regal vehicles. Installation is typical for coil-on-plug systems and is often done at-home with basic hand tools; the set includes four coils to cover all cylinders that need replacing at once. The product emphasizes silicone rubber sealing and robust construction to resist heat and reduce insulation breakdown that can cause misfires, stalling, or poor fuel economy. In practice you can expect reduced rough idle and improved throttle response when failing coils are the root cause. As a budget-oriented option the coils provide a cost-effective way to refresh the ignition system, but they do not include extended testing documentation or brand-backed multi-year warranties, and longevity can vary compared with higher-end aftermarket or factory-quality replacements. Fitment is specific so confirm the UF680 replacement number matches your Buick Regal engine before ordering.
Best for: Budget-conscious owners looking to fix ignition-related drivability problems on a Buick Regal and replace multiple coils at once without a large investment.
Less Ideal for: Owners who prioritize long-term durability or prefer parts with manufacturer-backed extended warranties should consider higher-tier or factory-quality replacements.
- Includes four coils to replace all affected cylinders in one service, simplifying repairs.
- Designed with silicone rubber sealing to resist heat and reduce insulation failure.
- Addresses common ignition issues like misfires and rough idle to restore engine smoothness.
- Economical option that can improve fuel efficiency and drivability when old coils are failing.
- No explicit long-term warranty or detailed durability testing is provided.
- Performance and lifespan may vary compared with premium or factory-quality coil packs.
Verdict A cost-effective 4-pack that restores ignition performance on compatible Buick Regal engines, but expect variable longevity compared with premium factory-quality coils.
5. Motorevo UF680 Ignition Coil Pack, set of 4
| Included components | UF680 Ignition Coil Pack x 4 |
|---|---|
| Connector Gender | Male |
| Installation Type | Bolt-On |
| Compatible with Vehicle Type | Car |
This Motorevo UF680 coil pack set replaces four factory ignition coils on compatible Buick models and installs as a bolt-on replacement. It is intended for mid‑range turbo and naturally aspirated 2.0L and 2.5L Buick engines and is sold as a complete set so you can swap all coils at once during a tune‑up. Notable features include copper windings, a ceramic insulator and a waterproof casing, which together aim to deliver steady high‑voltage output for reliable spark delivery and smoother combustion. In practice buyers report straightforward installation and immediate improvements in idle smoothness and drivability when replacing worn coils. Limitations to note are that correct fitment depends on matching OEM reference numbers and the vehicle application, and some users may prefer an OEM‑branded coil for long‑term peace of mind. This aftermarket pack is practical for restoring engine performance without a dealer visit but pay attention to exact Buick year and engine fit to avoid compatibility issues.
Best for: A risk‑averse mainstream buyer seeking a straightforward, lower‑risk replacement to restore smooth running on a Buick Regal or other compatible Buick 2.0L/2.5L models after misfires or rough idle.
Less Ideal for: Buyers who prioritize an exact factory‑brand part or those uncertain about matching OEM reference numbers should consider dealer or OEM replacements instead.
- Sold as a complete four‑pack for replacing all cylinders at once
- Designed to match factory connectors for direct bolt‑on installation
- Copper windings and ceramic insulator for stable high‑voltage output
- Waterproof casing for better durability in engine bay conditions
- Aftermarket part so long‑term durability may vary compared with factory‑brand coils
- Fitment requires confirming OEM reference numbers to ensure compatibility
Verdict A practical four‑pack aftermarket coil set that offers direct bolt‑on replacement for select Buick 2.0L and 2.5L engines, best for owners wanting a straightforward repair without dealer service.
6. ENA Ignition Coil Set (4) Compatible with Buick Regal 2.0L/2.4L
| Compatible with Vehicle Type | Car |
|---|---|
| Connector Gender | Female-to-Male |
| Installation Type | Bolt-On |
These ENA coils are a budget-focused replacement pack that supplies four bolt-on ignition coils compatible with Buick Regal 2.0L and 2.4L engines. They install in place of the factory coils using the vehicle's stock connector and are intended for routine maintenance or to replace failed coils that cause misfires, rough idle, or reduced performance. The listing highlights female-to-male connector compatibility and a bolt-on installation type, which makes swapping coils straightforward for a DIYer with basic tools. Buyers report improved smoothness and fuel economy after installation, and the set covers multiple cylinder positions so you replace all worn units at once. Expect practical benefits like restored engine smoothness and potential MPG gains at a lower cost than many factory-replacement options. Possible limitations are variable long-term durability versus higher-end branded coils and occasional reports of fitment or hardware issues, so careful inspection during installation is advised.
Best for: Practical optimizers who want the most reliable repair for the least cost and who prefer replacing all coils at once to restore engine smoothness and fuel economy.
Less Ideal for: Drivers seeking a lifetime, high-end factory-quality coil or those unwilling to accept potential variability in longevity should consider branded or dealer replacement options instead.
- Complete set of four coils so all cylinders can be serviced at once
- Bolt-on installation with OEM-style connector for straightforward DIY replacement
- Specifically listed as compatible with Buick Regal 2.0L and 2.4L engines, simplifying fitment checks
- Long-term durability may vary compared with higher-end factory-quality coils
- Some reviewers reported hardware or fit issues during removal or reinstallation
Verdict A cost-effective four-coil replacement that restores smoothness and efficiency on Buick Regal 2.0L/2.4L engines, with decent DIY fitment but mixed long-term durability reports.
7. X4XZ UF491 Ignition Coil and XP5263 Double Iridium Spark Plug Kit
| Manufacturer | X4XZ |
|---|---|
| Model | UF491 Ignition Coil & XP5263 Double Iridium Spark Plug |
| Package | Ignition Coils x4, Spark Plugs x4 |
| Compatible Engines | Buick Regal 2.0L and 2.4L listed years |
This kit pairs four ignition coil packs with four double-iridium spark plugs to address misfires, rough idle, and poor throttle response on compatible Buick and GM 4-cylinder engines. Installation is straightforward for a DIYer servicing a Buick Regal with the listed 2.0L or 2.4L engines: coils are plug-and-play replacements and the plugs come pre-gapped for immediate fitment. The coils use a thermoplastic connector and internal ferrite noise suppressor to reduce interference and help maintain a stable high-voltage transfer, while the iridium plugs promise long life and consistent spark for improved cold starts and fuel combustion. Practical benefits include a complete set for replacing all cylinders at once, likely smoother idling and potential fuel-economy gains, and parts that match factory-style fitment. Limitations are that longevity claims depend on driving conditions and installation quality, and the kit does not include printed instructions so some users may prefer professional installation or to consult a service manual for torque specs and sequence.
Best for: A balanced all-round buyer who wants a single, complete replacement kit to restore smooth running and address ignition issues on compatible Buick Regal 2.0L or 2.4L engines without sourcing parts separately.
Less Ideal for: Drivers who prefer brand-certified dealer parts or who lack basic mechanical skills and do not plan to reference a repair manual should consider professional installation or OEM options.
- Complete four-cylinder kit includes both ignition coils and double-iridium spark plugs for a full tune-up
- Plugs are double iridium for longer service life and consistent spark performance
- Coils designed with ferrite noise suppressor and robust connector to reduce radio interference and resist heat-related cracking
- Factory-style fitment for direct replacement on listed GM 2.0L and 2.4L engines
- No printed installation manual included so novice installers must reference a repair guide
- Durability and lifespan depend on vehicle use and cannot be guaranteed beyond manufacturer claims
Verdict A convenient, full four-cylinder ignition kit that offers factory-style fitment and long-life iridium plugs to fix misfires and smooth a Buick Regal 2.0L/2.4L engine.
Choosing the Right Buick Regal Ignition Coil: Key Factors to Consider
Fitment and Connector Type
Correct physical fit and matching connector type are essential because an ignition coil must seat securely and plug directly into the engine harness. If the coil does not match the mounting points or connector profile, you may need adapters or hardware changes that complicate installation and can introduce failure points.
Choosing a coil that mirrors the original equipment geometry ensures proper spark plug alignment and prevents additional stress on engine components. Proper fitment also shortens installation time and reduces the chance of vibration-related wear over time.
Electrical Specifications
Primary resistance, secondary voltage capability, and coil turns affect spark energy and consistency. A coil with appropriate primary resistance will draw the correct current from the ignition control module, while a coil with sufficient secondary output can generate the high voltage needed for reliable spark across a worn or high-compression engine.
Matching electrical specs to factory values reduces the risk of misfires and protects the vehicle's ignition control systems from abnormal loads. When these specs are documented, it is easier to troubleshoot ignition-related faults.
Thermal and Environmental Durability
Ignition coils sit in hot, vibrating environments and are exposed to oil and moisture. Materials that resist thermal degradation and seals that keep out contaminants extend service life and prevent early failure.
Look for coils with heat-resistant housings, robust potting compounds, and corrosion-resistant terminals. Better environmental durability reduces the likelihood of intermittent failures that are hard to diagnose.
Mounting and Serviceability
How easy a coil is to remove and replace affects repair time and cost if multiple coils need service. Coils that reuse factory bolts and allow access without extensive disassembly save labor, especially on engines with cramped engine bays.
Consider whether the coil design allows bench testing or straightforward inspection. Serviceable designs make it simpler to isolate a bad coil during troubleshooting and reduce the chance of damaging surrounding components during replacement.
Compatibility With Ignition System Controls
Modern vehicles rely on precise ignition timing and coil control from the engine control module. A replacement coil should be electrically compatible with the vehicle's coil-on-plug strategy and the control signals used by the control unit.
Incompatible coils can cause erratic firing, diagnostic trouble codes, or stress on the control module. Verify that the coil supports the control strategy and dwell control used in Buick Regal ignition systems.
Warranty and Support Documentation
Warranty length and the availability of clear specification sheets and installation guidance matter because they reflect manufacturer confidence and help with troubleshooting. Good documentation makes it easier to confirm specs such as resistance values and connector pinouts.
A solid warranty reduces risk on replacement parts and signals better quality control. Access to technical support or clear return policies can save time if an issue arises after installation.
FAQ
What are common symptoms of a failing ignition coil on a Buick Regal?
Common signs include rough idling, intermittent misfires, difficulty starting, and reduced engine power. You may also see the check engine light with misfire-related codes, and fuel economy can decline when a coil is weak.
Can I test an ignition coil at home?
You can perform basic tests such as measuring primary resistance with a multimeter and checking for visible damage or corrosion. More advanced testing of secondary output usually requires specialized tools or subassembly tests to avoid injury and get accurate results.
Is it practical to replace an ignition coil DIY on a Buick Regal?
Many Buick Regal ignition coils are accessible and can be replaced with basic hand tools, provided you follow safety steps like disconnecting the battery and avoiding damage to nearby components. Tight spaces or seized hardware can complicate DIY replacements.
How long do ignition coils usually last?
Lifespan varies with driving conditions and environment but coils often last several years under normal use. Heat, oil exposure, and frequent short trips can shorten life, so observe symptoms rather than relying solely on age.
Will a bad ignition coil cause a misfire code?
Yes, a weak or failing coil commonly leads to misfire conditions and will often trigger diagnostic trouble codes related to cylinder misfires. Intermittent coil faults can produce sporadic codes that come and go.
How We Chose the Best Buick Regal Ignition Coil
To assemble this list we screened available ignition coils for direct fitment with Buick Regal engines and prioritized units that matched factory electrical specifications and connector types. We focused on coils with consistent secondary voltage ratings, proper primary resistance ranges, and robust insulation materials that resist heat and oil exposure common in engine bays. Serviceability was another key filter, favoring coils that allow straightforward replacement or reuse of existing mounting hardware. Durability testing criteria included thermal cycling tolerance and moisture resistance as indicated by manufacturer specifications. We excluded universal or modified-fit coils that require wiring changes or adapter kits, and we did not include units lacking clear specification sheets. Final selections balance electrical performance, mechanical compatibility, and installation practicality.
Our full evaluation process is outlined in our review methodology.
Conclusion
Picking the right ignition coil for a Buick Regal means balancing fitment, electrical compatibility, and durability. Prioritize coils that match factory connector types and electrical specifications, because those factors directly affect spark reliability and long-term engine health. Also weigh serviceability and documented durability when deciding. If you encounter symptoms like rough idling or misfires, use the diagnostic steps discussed here to confirm electrical causes before replacing parts.
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