OE Quality
60-Day Returns

Standard Ignition SK135 Fuel Injector Seal Kit
Reliable Fuel Injector Seal Kit for Hyundai and Kia Vehicles
The Standard Ignition SK135 Fuel Injector Seal Kit provides essential sealing components designed specifically for Hyundai and Kia models such as the Optima, Santa Fe Sport, Sonata, and Sorento. This kit includes assorted sizes of durable rubber O-rings to ensure a proper fit and reliable fuel injector performance.
- Includes 3 rubber O-rings in assorted sizes for one fuel injector
- Color-coded seals in blue, brown, and white for easy identification
- Seal type: MFI (Multi-Fuel Injector) compatible
- Designed for Hyundai Optima, Santa Fe Sport, Sonata, and Kia Sorento
- Part number SK135 for precise replacement and fitment
Detailed Fuel Injector Seal Kit Specifications
The SK135 kit contains three O-rings made from high-quality rubber material, engineered to withstand fuel system conditions. The O-rings vary in size, with inside diameters ranging from 6.604 mm to 7.62 mm and thicknesses between 1.778 mm and 3.302 mm, ensuring a secure seal around the injector components. The kit does not include hardware, nozzle seals, pintle caps, or upper intake manifold gaskets, focusing solely on injector sealing needs. The color-coded seals (blue, brown, white) help technicians quickly identify and install the correct components during service.
Compatible Hyundai and Kia Models
This fuel injector seal kit is compatible with the following vehicles:
- Hyundai Optima
- Hyundai Santa Fe Sport
- Hyundai Sonata
- Kia Sorento
Using the Standard Ignition SK135 ensures proper sealing and helps maintain optimal fuel injector function in these specific models.
Common Issues Addressed by the SK135 Fuel Injector Seal Kit
- Fuel leaks around the injector seals
- Reduced engine performance due to improper sealing
- Injector misfires caused by worn or damaged O-rings
- Fuel odor inside the engine compartment
- Difficulty maintaining fuel pressure in the injector system
Installation Notes and Tips
- Ensure the engine is cool before beginning installation
- Clean the injector and surrounding area to prevent contamination
- Inspect injector bores for damage or debris before installing new seals
- Lubricate O-rings lightly with clean engine oil for easier installation
- Replace seals one injector at a time to avoid mix-ups
Quality Assurance and Warranty
Standard Ignition manufactures the SK135 Fuel Injector Seal Kit to meet OEM specifications for fit and function. The rubber materials used are selected for durability and resistance to fuel and heat exposure. While specific warranty details may vary, Standard Ignition products typically come with a limited warranty against defects in material and workmanship, providing confidence in the product's reliability.
| Brand | Standard Ignition |
| Part Number | SK135 |
| Assorted Sizes | Yes |
| Injectors Covered per Kit | 1 |
| Kit/Set Contents | Yes |
| Material | Rubber |
| Pintle Cap Included | No |
| Seal Type | MFI |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Kia | Optima | N/A | ||||
| 2015 | Kia | Sorento | 2.4L | L4 | N/A | ||
| 2014 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | |
| 2014 | Kia | Optima | N/A | ||||
| 2014 | Kia | Sorento | 2.4L | L4 | N/A | ||
| 2013 | Hyundai | Santa Fe Sport | 2.4L | L4 | N/A | ||
| 2013 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | |
| 2013 | Kia | Optima | 2.0L | L4 | N/A | ||
| 2013 | Kia | Optima | 2.4L | L4 | GAS | N/A | |
| 2013 | Kia | Sorento | 2.4L | L4 | N/A | ||
| 2012 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | |
| 2012 | Kia | Optima | 2.0L | L4 | N/A | ||
| 2012 | Kia | Optima | 2.4L | L4 | GAS | N/A | |
| 2012 | Kia | Sorento | 2.4L | L4 | N/A | ||
| 2011 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | |
| 2011 | Kia | Optima | 2.0L | L4 | N/A | ||
| 2011 | Kia | Optima | 2.4L | L4 | GAS | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.