OE Quality
60-Day Returns

Karlyn 485 Spark Plug Wire Set
Karlyn-STI 485 Spark Plug Wire Set
The Karlyn-STI 485 spark plug wire set is an OE-style ignition wire replacement with OEM boot type, OEM engine application, and a red finish. It is built for direct-fit service on select Geo and Toyota models, including Toyota Corolla, Toyota Celica, and Geo Prizm applications.
Key Features
- OE boot type for factory-style fit at the spark plug and ignition connection points
- OEM engine application for original-equipment-style replacement needs
- Red wire set for easy visual identification in the engine bay
- Direct-fit ignition wire set for select 1993-1997 Geo Prizm, Toyota Celica, and Toyota Corolla applications
- Karlyn-STI 485 part number for accurate ordering and catalog matching
Product Details
Karlyn-STI is the product line used by Karlyn for ignition components that follow OE-style fitment and application coverage. Part number 485 is a spark plug wire set made for vehicles that require OEM-style boots and engine-specific routing. For buyers searching for a spark plug wire set for 1993-1997 Toyota Corolla, 1994-1997 Toyota Celica, or 1993-1997 Geo Prizm, this listing provides a direct replacement option with the correct application coverage. Karlyn-STI 485 is also a practical match when replacing aging ignition wires on Toyota Corolla and Toyota Celica models where factory-style connection points matter.
Common Issues This Part Can Address
- Misfires caused by worn or deteriorated ignition wires
- Hard starting related to weak spark delivery
- Rough idle from inconsistent ignition transfer
- Cracked or heat-aged wire insulation
- Loss of performance from poor plug-wire connection quality
Installation Notes and Tips
Verify engine routing and connector locations against the original wire set before installation. Match each lead to the correct cylinder and ignition terminal, and inspect the distributor or coil connections for wear before installing the new wires. For best results, route the wires away from hot or moving components and confirm a secure boot seat at each connection point.
Quality Assurance
This Karlyn-STI ignition wire set is built as an OE-style replacement for the listed applications. Part number 485 should be matched to the vehicle fitment shown for 1993-1997 Geo Prizm, 1994-1997 Toyota Celica, and 1993-1997 Toyota Corolla coverage.
Fitment
- Fits 1993-1997 Geo Prizm, N/A
- Fits 1994-1997 Toyota Celica, N/A
- Fits 1993-1997 Toyota Corolla, N/A
| Brand | Karlyn |
|---|---|
| Part Number | 485 |
| Position | Karlyn-STI |
| Boot Type | Oem |
| Color | Red |
| Engine | Oem |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1997 | Geo | Prizm | N/A | Karlyn-STI | |||
| 1997 | Toyota | Celica | ST | 1.8L | L4 | N/A | Karlyn-STI |
| 1997 | Toyota | Corolla | N/A | Karlyn-STI | |||
| 1996 | Geo | Prizm | N/A | Karlyn-STI | |||
| 1996 | Toyota | Celica | ST | 1.8L | L4 | N/A | Karlyn-STI |
| 1996 | Toyota | Corolla | N/A | Karlyn-STI | |||
| 1995 | Geo | Prizm | N/A | Karlyn-STI | |||
| 1995 | Toyota | Celica | ST | 1.8L | L4 | N/A | Karlyn-STI |
| 1995 | Toyota | Corolla | N/A | Karlyn-STI | |||
| 1994 | Geo | Prizm | N/A | Karlyn-STI | |||
| 1994 | Toyota | Celica | ST | 1.8L | L4 | N/A | Karlyn-STI |
| 1994 | Toyota | Corolla | N/A | Karlyn-STI | |||
| 1993 | Geo | Prizm | N/A | Karlyn-STI | |||
| 1993 | Toyota | Corolla | Base | 1.6L | L4 | N/A | Karlyn-STI |
| 1993 | Toyota | Corolla | LE | 1.8L | L4 | N/A | Karlyn-STI |
| 1993 | Toyota | Corolla | DX | 1.8L | L4 | N/A | Karlyn-STI |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.