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Mahle GS33993 Fuel Injector O-Ring Kit
Mahle Fuel Injector O-Ring Kit for Subaru
Restore proper sealing at the fuel injector with the Mahle GS33993 fuel injector O-ring kit. Built for service work on select Subaru WRX and Subaru Forester applications, this kit supports clean, reliable sealing during injector-related maintenance.
- Fuel injector O-ring kit for air and fuel delivery service
- Mahle sealing products trusted by OEMs and technicians
- Direct fit for select Subaru WRX and Subaru Forester models
- Part number GS33993 for easy ordering and cross-reference
Fitment
- Fits 2015-2019 Subaru WRX, N/A
- Fits 2014-2018 Subaru Forester, N/A
Product Details
The Mahle GS33993 is a service kit focused on injector sealing performance for Subaru fuel system maintenance. Mahle is known for gasket and sealing products used by OEMs and professional technicians, making this a practical choice when replacing worn injector seals during repair or service. If you are searching for a Subaru WRX fuel injector O-ring kit or a Subaru Forester injector seal service kit, GS33993 is the relevant part number to reference.
This part cross-references 16677 AA050 and 16677 AA060 for the same application.
Common Repair Uses
- Fuel seepage around injector seals
- Hard starting caused by poor injector sealing
- Rough idle related to air intrusion at the injector
- Fuel odor from deteriorated O-rings
- Injector service during intake or fuel system maintenance
Installation Notes
Inspect the injector bore and sealing surfaces before installation. Clean all mating areas thoroughly and replace damaged seals during service. For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
Quality Assurance
Mahle sealing products are engineered for professional repair use and are trusted in OEM and technician service environments.
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Subaru | WRX | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2018 | Subaru | Forester | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2018 | Subaru | WRX | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2017 | Subaru | Forester | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2017 | Subaru | WRX | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2016 | Subaru | Forester | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2016 | Subaru | WRX | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2015 | Subaru | Forester | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2015 | Subaru | WRX | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
| 2014 | Subaru | Forester | 2.0L | H4 | N/A | For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set. |
* 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.