OE Quality
60-Day Returns

Karlyn 5015 Direct Ignition Coil
Reliable Ignition Coil for Toyota 4Runner, T100, Tacoma, and Tundra
The Karlyn 5015 direct ignition coil is designed to provide consistent ignition performance for select Toyota models. Engineered to meet the demands of vehicles like the 4Runner, T100, Tacoma, and Tundra, this ignition coil ensures efficient spark delivery for optimal engine operation.
- Direct ignition coil design for precise spark control
- Compatible with Toyota 4Runner, T100, Tacoma, and Tundra models
- Part number 5015 for accurate identification and fitment
- Manufactured under the Karlyn-STI product line for quality assurance
- GTIN 00010975050153 for easy product tracking
About the Karlyn-STI Product Line
The Karlyn-STI line focuses on ignition components engineered to deliver reliable performance and durability. This product line emphasizes direct ignition coil technology, which eliminates the need for traditional spark plug wires, reducing energy loss and improving ignition efficiency. The 5015 ignition coil is part of this line, designed specifically for Toyota vehicles requiring precise ignition timing and consistent spark output.
Product Details and Compatibility
The Karlyn 5015 ignition coil is a direct ignition coil compatible with Toyota 4Runner, T100, Tacoma, and Tundra models. It replaces the factory ignition coil to restore proper spark generation, which is critical for engine combustion. This coil is engineered to meet OEM specifications, ensuring proper fit and function within the ignition system of the specified Toyota vehicles.
Common Applications and Issues Addressed
- Resolves engine misfires caused by faulty ignition coils
- Improves starting reliability in Toyota 4Runner, T100, Tacoma, and Tundra
- Eliminates rough idling and hesitation during acceleration
- Restores proper ignition timing and spark intensity
- Prevents check engine light triggers related to ignition faults
Installation Notes and Tips
When installing the Karlyn 5015 ignition coil, ensure the vehicle is turned off and the battery is disconnected to avoid electrical hazards. Remove the old ignition coil carefully, noting the orientation and connector placement. Install the new coil securely, making sure all electrical connections are tight and free of corrosion. It is recommended to inspect related ignition components during installation for optimal performance.
Quality Assurance and Warranty
The Karlyn 5015 ignition coil is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Karlyn products typically undergo quality control testing to ensure reliability. For warranty information, refer to the product packaging or contact the manufacturer directly.
This part fits 43 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2004 | Toyota | Tacoma | Pre Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2004 | Toyota | Tacoma | S-Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2004 | Toyota | Tundra | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2004 | Toyota | Tundra | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2003 | Toyota | Tacoma | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2003 | Toyota | Tacoma | Pre Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2003 | Toyota | Tacoma | S-Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2003 | Toyota | Tundra | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2003 | Toyota | Tundra | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2002 | Toyota | 4Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI | |
| 2002 | Toyota | Tacoma | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2002 | Toyota | Tacoma | Pre Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2002 | Toyota | Tacoma | S-Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2002 | Toyota | Tundra | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2002 | Toyota | Tundra | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2001 | Toyota | 4Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI | |
| 2001 | Toyota | Tacoma | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2001 | Toyota | Tacoma | Pre Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2001 | Toyota | Tacoma | S-Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2001 | Toyota | Tundra | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2001 | Toyota | Tundra | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | 4Runner | Limited | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | 4Runner | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | Tacoma | Limited | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | Tacoma | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | Tacoma | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | Tacoma | Pre Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | Tundra | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 2000 | Toyota | Tundra | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1999 | Toyota | 4Runner | Limited | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1999 | Toyota | 4Runner | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1999 | Toyota | Tacoma | Limited | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1999 | Toyota | Tacoma | Base | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1999 | Toyota | Tacoma | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1999 | Toyota | Tacoma | Pre Runner | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1998 | Toyota | 4Runner | Limited | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1998 | Toyota | 4Runner | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1998 | Toyota | T100 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI | |
| 1997 | Toyota | 4Runner | Limited | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1997 | Toyota | 4Runner | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1996 | Toyota | 4Runner | Limited | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
| 1996 | Toyota | 4Runner | SR5 | 3.4L | V6 | N/A | OEM Replacement; 3 Required Per Vehicle; Karlyn-STI |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.