
If you own a Subaru, you may be curious about the year of your dark blue fuel injectors. This is a question that has been asked by many Subaru owners, particularly those with the 565cc model. The injectors are compatible with several Subaru models, including the WRX and STI, and can be found on vehicles manufactured between 2006 and 2017.
| Characteristics | Values |
|---|---|
| Manufacturer Part Number | 16611AA720 |
| Interchange Part Number | 800-1896N, FJ860, M1367, 4G2209 |
| Other Part Number | Impreza STI WRX Forester EJ20 EJ25 EJ255 EJ257 58117N,842-12341N,800-1896N, FJ860, M1367, 4G2209; 297-0013, 058052521,67460, 842-12341, C1000-194564-ND |
| Compatible With | 2006-2014 Subaru Impreza WRX 2.5L, 2006-2013 Subaru Forester XT 2.5L, 2012 Subaru Legacy 2.5GT 2.5L, 2008-2011 Subaru Impreza 2.5L H4 Turbocharged EJ255, 2008-2011 Subaru Impreza 2.5L H4 Turbocharged EJ257, 2008-2010 Subaru Impreza DOHC EJ255, 2008-2010 Subaru Impreza DOHC EJ257, 2006-2007 Subaru Impreza 2.5L H4 Turbocharged EJ255, 2007 Subaru Impreza 2.5L H4 Turbocharged EJ257, 2008-2011 Subaru Forester 2.5L H4 Turbocharged EJ255, 2007-2009 Subaru Forester 2.5L H4 DOHC EJ255, 2006-2007 Subaru Forester 2.5L H4 Turbocharged EJ255 |
| Color | Dark Blue |
| Injector Size | 565cc |
| Year | 2006-2017 |
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What You'll Learn

Denso dark blue injectors for the 2006 Subaru Forester XT
Denso manufactures dark blue fuel injectors for various Subaru models, including the WRX, STI, Legacy, and Forester. These injectors are designed to deliver precise fuel flow and optimal performance for Subaru vehicles.
For the 2006 Subaru Forester XT specifically, Denso offers the dark blue injectors as an upgrade option for enhanced performance. These injectors are typically 565cc, providing a good balance between performance and safety. While some stock injectors for this model may have smaller capacities, such as 440cc, upgrading to the 565cc Denso dark blue injectors can support higher horsepower targets.
It's important to note that when upgrading to these injectors, other modifications may be necessary to ensure optimal performance and safety. For example, a larger intercooler or a turbo upgrade, such as the vf34 or vf39, can help achieve higher horsepower goals. Additionally, ensuring a reputable tuner inspects and tunes your vehicle after installing the injectors is crucial for safety and proper functionality.
The Denso dark blue injectors for the 2006 Subaru Forester XT are available through various retailers, including Amazon and eBay. When purchasing, it's important to verify compatibility with your vehicle and ensure the injectors have been properly tested and cleaned. Some sellers offer warranties and guarantees, providing added peace of mind.
Overall, upgrading to Denso dark blue injectors can be a great choice for enhancing the performance of your 2006 Subaru Forester XT while maintaining a safe and reliable driving experience.
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565cc fuel injectors for Subaru WRX/STI
The 565cc fuel injectors are available for the Subaru WRX/STI models, with the manufacturer part number 16611AA720. These injectors are compatible with various Subaru models, including the Impreza WRX, Forester XT, Legacy, and more, covering a range of production years from 2006 to 2015.
These 565cc fuel injectors are available from different sellers and are often advertised as "flow tested" and cleaned. This process involves completely disassembling, cleaning, and examining the injectors for any wear or breakage. Worn-out or non-functioning components are replaced, making these injectors virtually indistinguishable from new ones.
The injectors are a popular choice for automotive enthusiasts looking to upgrade their Subaru WRX/STI models. They are known for their performance and durability, with internal seal rings protected from fuel exposure, minimising "sticking" and ensuring longer-lasting use.
It is important to note that when installing injectors with different flow rates, ECU tuning is typically required. Consulting a qualified tuner before installation is recommended to ensure optimal performance and safety. Additionally, some sellers offer warranties on these injectors, providing customers with peace of mind and assurance of their quality.
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2006-2014 Subaru Impreza WRX 2.5L compatibility
The 2006-2014 Subaru Impreza WRX 2.5L is compatible with the EJ25T 4-cylinder engine motor. These engines are remanufactured and come with a 6-month guarantee. They are typically sold as bare blocks, so you will need to reapply your original accessories to ensure fitment and compatibility.
The 2.5L engine has 16 valves, a turbo compression ratio of 10, and a bore diameter of 99.5 mm. It can produce a maximum horsepower of 286 ps and a maximum power of 210 kW at 6000 rpm. The engine block's dimensions are 34x20x21 inches.
In terms of specific fuel injectors, the 2006-2014 Subaru Impreza WRX 2.5L is compatible with the Denso 565cc dark blue fuel injectors. These injectors are also compatible with other Subaru models, including the 2006-2013 Forester XT 2.5L, the 2012 Legacy 2.5GT 2.5L, and various years of the Subaru Impreza 2.5L H4 Turbocharged.
It is important to note that when upgrading or modifying your vehicle, it is always recommended to consult a reputable mechanic or tuner to ensure that all installations are correct and safe.
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2012 Subaru Legacy 2.5GT 2.5L compatibility
The 2012 Subaru Legacy 2.5GT 2.5L engine is compatible with fuel injectors from other years and models of Subaru. The injectors compatible with the 2012 2.5GT 2.5L engine are also compatible with the following:
- 2006-2014 Subaru Impreza WRX 2.5L
- 2006-2013 Subaru Forester XT 2.5L
- 2008-2011 Subaru Impreza 2.5L H4 Turbocharged EJ255
- 2008-2011 Subaru Impreza 2.5L H4 Turbocharged EJ257
- 2008-2010 Subaru Impreza DOHC EJ255
- 2008-2010 Subaru Impreza DOHC EJ257
- 2006-2007 Subaru Impreza 2.5L H4 Turbocharged EJ255
- 2007 Subaru Impreza 2.5L H4 Turbocharged EJ257
- 2008-2011 Subaru Forester 2.5L H4 Turbocharged EJ255
- 2007-2009 Subaru Forester 2.5L H4 DOHC EJ255
- 2006-2007 Subaru Forester 2.5L H4 Turbocharged EJ255
The 2012 2.5GT 2.5L engine is also compatible with the Subaru FB25 engine, which was introduced in 2012 to replace the EJ engine series.
It is important to note that the 2012 2.5GT 2.5L engine is not compatible with the 3.6 L flat-6 engine or the turbocharged gasoline engine. Additionally, the North American version of the 2012 2.5GT 2.5L may have different features compared to the international versions, such as exposed cupholders without retractable covers.
When considering fuel injectors for the 2012 2.5GT 2.5L engine, it is worth noting that there are dark blue 565cc fuel injectors available for the Subaru WRX and STI models from 2006 to 2017. These injectors have been professionally flow-tested and ultrasonically cleaned, and they come with new seals and O-rings.
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Fuel injector seal/O-ring kits
Over time, the original seals and O-rings in your Subaru's fuel injectors can become worn, brittle, or damaged, leading to fuel leaks and reduced engine performance. By having a fuel injector seal/O-ring kit on hand, you can quickly replace these critical components and restore your vehicle's fuel system to optimal condition.
When choosing a fuel injector seal/O-ring kit, it is important to select one that is specifically designed for your Subaru model and year. Kits are available for various Subaru models, including the WRX, STI, Impreza, Forester, and Legacy, covering a wide range of model years. For example, the DeatschWerks Top Feed Injector O-Ring Set is compatible with the 2002-2014 Subaru WRX and 2008-2021 Subaru WRX STI.
The kits typically include multiple seals and O-rings of different sizes to accommodate various fuel injector configurations. This ensures a precise fit and prevents leaks. It is recommended to replace the seals and O-rings as a set, even if only one component appears damaged, to maintain uniform performance and longevity.
In addition to the Subaru-specific kits, some universal fuel injector seal/O-ring kits are available that offer a range of sizes to fit different vehicle makes and models. These kits can be useful if you are unsure about the specific dimensions required for your Subaru or if you own multiple vehicles. However, it is always best to refer to your Subaru's service manual or consult a trusted mechanic to identify the exact replacement parts needed for your particular model.
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Frequently asked questions
Dark blue fuel injectors are available for Subaru models from 2006 to 2017.
The injectors are available for the WRX, STI, Forester, Legacy, and Impreza models.
The dark blue fuel injectors are 565cc.
You can find these injectors on Amazon and eBay.




















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