OE Quality
60-Day Returns

Karlyn 5171 Direct Ignition Coil
Reliable Ignition Coil for Fiat 500 Vehicles
The Karlyn 5171 ignition coil is designed specifically for Fiat 500 models, providing consistent spark delivery for efficient engine performance. This direct ignition coil ensures precise ignition timing and reliable operation under various driving conditions.
- Direct ignition coil designed for Fiat 500
- Part number 5171 for accurate identification
- Manufactured by Karlyn under the Karlyn-STI product line
- Compatible with ignition systems requiring direct coil replacement
- GTIN 00010975051716 for product verification
About the Karlyn-STI Product Line
The Karlyn-STI line focuses on ignition components engineered to meet the specific demands of modern vehicles. This product line emphasizes durability and precise fitment, ensuring that parts like the Karlyn 5171 ignition coil integrate seamlessly with the Fiat 500 ignition system for optimal performance.
Product Details and Functionality
The Karlyn 5171 ignition coil converts the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs. This process is critical for igniting the air-fuel mixture in the engine cylinders. Designed as a direct ignition coil, it fits directly onto the spark plug, eliminating the need for spark plug wires and reducing energy loss. This coil is engineered to maintain consistent spark energy, which supports smooth engine operation and helps maintain fuel efficiency in Fiat 500 vehicles.
Common Issues Addressed by This Ignition Coil
- Engine misfires or rough idling in Fiat 500 models
- Difficulty starting the engine or intermittent stalling
- Reduced fuel efficiency due to incomplete combustion
- Check engine light triggered by ignition system faults
- Loss of power or hesitation during acceleration
Installation Notes and Tips
When replacing the ignition coil on a Fiat 500, ensure the engine is cool before beginning installation. Disconnect the battery to prevent electrical shock. Remove the old coil carefully to avoid damaging the spark plug or ignition components. The Karlyn 5171 coil is a direct replacement, so it should fit securely without modification. Verify all electrical connections are tight and free of corrosion before reassembly.
Quality Assurance and Warranty
Karlyn ignition coils, including part number 5171, are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Karlyn products typically undergo rigorous quality control to ensure reliability in automotive ignition systems.
This part fits 33 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Fiat | 500 | Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2017 | Fiat | 500 | Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2017 | Fiat | 500 | c Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2017 | Fiat | 500 | c Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2016 | Fiat | 500 | Sport | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2016 | Fiat | 500 | Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2016 | Fiat | 500 | Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2016 | Fiat | 500 | c Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2016 | Fiat | 500 | c Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2016 | Fiat | 500 | Easy | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2016 | Fiat | 500 | c Easy | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2015 | Fiat | 500 | Sport | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2015 | Fiat | 500 | Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2015 | Fiat | 500 | Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2015 | Fiat | 500 | c Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2015 | Fiat | 500 | c Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2014 | Fiat | 500 | Sport | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2014 | Fiat | 500 | Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2014 | Fiat | 500 | Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2014 | Fiat | 500 | c Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2014 | Fiat | 500 | c Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Fiat | 500 | Sport | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Fiat | 500 | Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Fiat | 500 | Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Fiat | 500 | c Pop | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2013 | Fiat | 500 | c Lounge | 1.4L | L4 | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI |
| 2012 | Fiat | 500 | Sport | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | ||
| 2012 | Fiat | 500 | Pop | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | ||
| 2012 | Fiat | 500 | Lounge | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | ||
| 2012 | Fiat | 500 | c Pop | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | ||
| 2012 | Fiat | 500 | c Lounge | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | ||
| 2012 | Fiat | 500 | Gucci | N/A | OEM Replacement; 4 Required Per Vehicle; Karlyn-STI | ||
| 2012 | Fiat | 500 | c Gucci | 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.