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OE Quality
60-Day Returns
KarlynPart #: 5104
Karlyn 5104 Direct Ignition Coil
⚙️ 82 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Karlyn-STI
🚗Fitment: Mazda, 3, 6, CX-7, and MX-5 Miata
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Direct Ignition Coil for Mazda Applications
Karlyn-STI 5104 is a direct ignition coil for select Mazda vehicles, built as an OEM replacement for factory-style ignition service. It is listed for the Mazda MX-5 Miata, Mazda 3, Mazda 6, and Mazda CX-7 across 2006-2015 model years.
Key Features
- Direct ignition coil replacement for OE-style service
- Fits 2006-2015 Mazda MX-5 Miata, N/A
- Fits 2006-2013 Mazda 3, N/A
- Fits 2006-2013 Mazda 3, N/A, 3-pin terminal
- Fits 2006-2013 Mazda 6, N/A
- Fits 2007-2012 Mazda CX-7, N/A
- Four required per vehicle on listed applications
- Karlyn-STI product line
Detailed Description
The Karlyn 5104 ignition coil is a direct replacement part for Mazda ignition systems that use an individual coil at each cylinder. This Karlyn-STI part number 5104 is listed for the Mazda MX-5 Miata, Mazda 3, Mazda 6, and CX-7, making it a practical choice for drivers searching for a Mazda 3 ignition coil replacement, Mazda MX-5 Miata coil, or Mazda CX-7 ignition coil by exact fitment.
Karlyn-STI focuses on OE-style replacement components, and this part is cataloged for multiple Mazda platforms from 2006 through 2015. For Mazda 3 applications, verify the terminal style before ordering, as one listing specifies a 3-pin terminal. Part number 5104 is also a useful reference when comparing ignition coil options for Mazda 6 and Mazda MX-5 Miata service.
What It Helps Address
- Engine misfire caused by a failing ignition coil
- Rough idle or uneven engine operation
- Hard starting related to weak spark delivery
- Check engine light conditions tied to ignition performance
- Loss of power or hesitation during acceleration
Installation Notes and Tips
- Confirm engine application, model year, and terminal configuration before installation.
- Listed fitments require 4 coils per vehicle.
- Inspect spark plugs and coil boots during service to avoid repeat ignition issues.
- Use the vehicle’s factory service procedure for removal and installation.
Quality Assurance
Karlyn-STI 5104 is cataloged as an OEM replacement ignition coil for the listed Mazda applications. Verify fitment against the vehicle’s original coil design and connector style before purchase.
This part fits 82 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2014 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2013 | Mazda | 3 | S | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Mazda | 3 | GT | 2.5L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2013 | Mazda | 3 | GX | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2013 | Mazda | 3 | i | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2013 | Mazda | 3 | GS-SKY | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2013 | Mazda | 6 | GS | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Mazda | 6 | i | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2012 | Mazda | 3 | S | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | 3 | GS | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | 3 | GT | 2.5L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | 3 | GX | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | 3 | i | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | 3 | GS-SKY | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | 6 | GS | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | 6 | i | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2012 | Mazda | CX-7 | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2012 | Mazda | CX-7 | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2012 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2011 | Mazda | 3 | S | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 3 | GS | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 3 | GT | 2.5L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 3 | GX | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 3 | i | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 3 | Sport GT | 2.5L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 3 | Sport GS | 2.5L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 3 | Sport GX | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 6 | GS | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | 6 | i | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2011 | Mazda | CX-7 | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2011 | Mazda | CX-7 | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2011 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2010 | Mazda | 3 | S | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | 3 | i | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | 6 | i | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | CX-7 | Touring | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | CX-7 | Sport | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | CX-7 | SV | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | CX-7 | Grand Touring | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | MX-5 Miata | Touring | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | MX-5 Miata | Sport | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2010 | Mazda | MX-5 Miata | Grand Touring | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | 3 | S | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | 3 | i | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | 3 | Mazdaspeed | 2.3L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | 3 | Mazdaspeed | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | 6 | i | 2.5L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | CX-7 | Touring | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | CX-7 | Sport | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | CX-7 | Grand Touring | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | MX-5 Miata | Touring | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | MX-5 Miata | Sport | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | MX-5 Miata | SV | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2009 | Mazda | MX-5 Miata | Grand Touring | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | 3 | S | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | 3 | i | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | 3 | Mazdaspeed | 2.3L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | 3 | Mazdaspeed | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | 6 | i | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | CX-7 | Touring | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | CX-7 | Sport | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | CX-7 | Grand Touring | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | MX-5 Miata | Touring | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | MX-5 Miata | Sport | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | MX-5 Miata | SV | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2008 | Mazda | MX-5 Miata | Grand Touring | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2007 | Mazda | 3 | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI | |
| 2007 | Mazda | 3 | 2.3L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI | |
| 2007 | Mazda | 3 | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2007 | Mazda | 6 | i | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2007 | Mazda | 6 | Mazdaspeed | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2007 | Mazda | CX-7 | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2007 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | |
| 2006 | Mazda | 3 | S | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2006 | Mazda | 3 | GT | 2.3L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2006 | Mazda | 3 | GX | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2006 | Mazda | 3 | i | 2.0L | L4 | N/A | OEM Replacement; 3 Pin Terminal~4 Required Per Vehicle; Karlyn-STI |
| 2006 | Mazda | 6 | i | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2006 | Mazda | 6 | Mazdaspeed | 2.3L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2006 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.