HomeIgnition > Hardware, Fasteners and FittingsStandard Ignition SPP186E Direct Ignition Coil Boot
Part #: SPP186E

Standard Ignition SPP186E Direct Ignition Coil Boot

⚙️ 75 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$13.39Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 3, 3 Sport, 6, CX-3, CX-30, CX-5, CX-50, and CX-9
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Direct Ignition Coil Boot for Mazda Vehicles

The Standard Ignition SPP186E direct ignition coil boot is designed to provide a secure and efficient connection for your Mazda's ignition system. Engineered with durable silicone and a built-in spring, this straight boot ensures consistent performance for various Mazda models including the 3, 3 Sport, 6, CX-3, CX-5, CX-9, CX-30, and CX-50.

  • Straight boot configuration for precise fitment
  • Includes spring within the boot for optimal electrical contact
  • Constructed from high-quality silicone material for heat and wear resistance
  • O.E.M. replacement part ensuring compatibility and reliability
  • Sold per vehicle requirement of four boots

Durable Silicone Construction and OEM Compatibility

The Standard Ignition direct ignition coil boot (part number SPP186E) is crafted from silicone, a material known for its excellent heat resistance and flexibility. This ensures the boot maintains a tight seal and reliable electrical insulation under demanding engine conditions. The integrated spring inside the boot enhances the electrical connection between the ignition coil and spark plug, reducing misfires and improving ignition efficiency. Designed as an OEM replacement, this part meets factory specifications for Mazda vehicles, providing a dependable fit and function.

Compatible Mazda Models and Applications

This ignition coil boot is compatible with a range of Mazda vehicles, including the Mazda 3, 3 Sport, 6, CX-3, CX-5, CX-9, CX-30, and CX-50. It is intended for use where a straight boot configuration is required and is sold in sets of four to meet the per vehicle requirement. The part number SPP186E ensures you receive the correct component for your specific Mazda model.

Common Issues Addressed by the Ignition Coil Boot

  • Prevents ignition coil misfires caused by poor electrical contact
  • Protects ignition components from heat and environmental damage
  • Eliminates spark plug boot cracking and deterioration
  • Maintains consistent spark delivery for engine performance
  • Reduces engine hesitation and rough idling related to ignition faults

Installation Notes and Tips

When installing the Standard Ignition SPP186E coil boot, ensure the ignition coil and spark plug terminals are clean and free of corrosion. Carefully seat the boot over the coil and plug to avoid damaging the silicone material or the internal spring. Since this part is sold per vehicle requirement of four boots, replace all boots simultaneously to maintain balanced ignition performance across all cylinders.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The SPP186E ignition coil boot is backed by Standard Ignition's quality assurance processes. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberSPP186E
Boot ConfigurationStraight
ContentSpring included within boot
O.E.M. ReplacementYes
Part MaterialSilicone
Per Vehicle Requirement4

This part fits 75 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025MazdaCX-302.5LL4N/A
2025MazdaCX-52.5LL4N/A
2025MazdaCX-502.5LL4N/A
2024MazdaCX-302.5LL4N/A
2024MazdaCX-52.5LL4N/A
2024MazdaCX-502.5LL4N/A
2023MazdaCX-302.5LL4N/A
2023MazdaCX-52.5LL4N/A
2023MazdaCX-502.5LL4N/A
2023MazdaCX-92.5LL4N/A
2022Mazda32.0LL4N/A
2022MazdaCX-302.5LL4N/A
2022MazdaCX-52.5LL4N/A
2022MazdaCX-92.5LL4N/A
2021Mazda32.0LL4N/A
2021Mazda62.5LL4N/A
2021MazdaCX-32.0LL4N/A
2021MazdaCX-302.5LL4N/A
2021MazdaCX-52.5LL4N/A
2021MazdaCX-92.5LL4N/A
2020Mazda32.0LL4N/A
2020Mazda62.5LL4N/A
2020MazdaCX-32.0LL4N/A
2020MazdaCX-302.5LL4N/A
2020MazdaCX-52.5LL4N/A
2020MazdaCX-92.5LL4N/A
2019Mazda32.0LL4N/A
2019Mazda62.5LL4N/A
2019MazdaCX-32.0LL4N/A
2019MazdaCX-52.5LL4N/A
2019MazdaCX-92.5LL4N/A
2018Mazda32.0LL4N/Aw/ Skyactiv Technology
2018Mazda32.5LL4N/A
2018Mazda3 Sport2.0LL4N/Aw/ Skyactiv Technology
2018Mazda3 Sport2.5LL4N/A
2018Mazda62.5LL4N/A
2018MazdaCX-32.0LL4N/A
2018MazdaCX-52.5LL4N/A
2018MazdaCX-92.5LL4N/A
2017Mazda32.0LL4N/Aw/ Skyactiv Technology
2017Mazda32.5LL4N/A
2017Mazda3 Sport2.0LL4N/Aw/ Skyactiv Technology
2017Mazda3 Sport2.5LL4N/A
2017Mazda62.5LL4N/A
2017MazdaCX-32.0LL4N/A
2017MazdaCX-52.5LL4N/A
2017MazdaCX-92.5LL4N/A
2016Mazda32.0LL4N/Aw/ Skyactiv Technology
2016Mazda32.5LL4N/A
2016Mazda3 Sport2.0LL4N/Aw/ Skyactiv Technology
2016Mazda3 Sport2.5LL4N/A
2016Mazda62.5LL4N/A
2016MazdaCX-32.0LL4N/A
2016MazdaCX-52.5LL4N/A
2016MazdaCX-52.0LL4N/A
2016MazdaCX-92.5LL4N/A
2015Mazda32.0LL4N/Aw/ Skyactiv Technology
2015Mazda32.5LL4N/A
2015Mazda3 Sport2.0LL4N/Aw/ Skyactiv Technology
2015Mazda3 Sport2.5LL4N/A
2015Mazda62.5LL4N/A
2015MazdaCX-52.0LL4N/A
2015MazdaCX-52.5LL4N/A
2014Mazda32.0LL4N/Aw/ Skyactiv Technology
2014Mazda32.5LL4N/A
2014Mazda3 Sport2.0LL4N/Aw/ Skyactiv Technology
2014Mazda3 Sport2.5LL4N/A
2014Mazda62.5LL4N/A
2014MazdaCX-52.5LL4N/A
2014MazdaCX-52.0LL4N/A
2013Mazda32.0LL4N/Aw/ Skyactiv Technology
2013Mazda3 Sport2.0LL4N/Aw/ Skyactiv Technology
2013MazdaCX-52.0LL4N/A
2012Mazda32.0LL4N/Aw/ Skyactiv Technology
2012Mazda3 Sport2.0LL4N/Aw/ Skyactiv Technology

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

SPB249SPP186E

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.