Fuel Injector Rebuild Kit – Subaru Impreza, Forester, Legacy, Outback, XV 16611AA521 16611AA680 16611AA75A 16611AA77A 16611AA80
The Fuel Injector Rebuild Kit services the fuel injection system for Subaru Impreza, Forester, Legacy, Outback, XV 16611AA521 16611AA680 16611AA75A 16611AA77A 16611AA80. It is intended for the specific component identified by OEM/P/N 16611AA521. Compare the installed part number and physical design before ordering.
Fits OEM #16611AA521.
When to Inspect This Part
- rough or unstable idle
- misfire or uneven engine operation
- fuel odor or leakage around the injector
- increased fuel consumption
What's Included
- fuel injector sealing rings;
- injector filters;
- Details for maintenance of four injectors.
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Subaru Impreza WRX
- Subaru Impreza
- Subaru Forester
- Subaru Legacy
- Subaru Outback
- Subaru XV
- Subaru Impreza WRX 2.0 Turbo - 2000–2007
- Subaru Forester 2.0 Turbo – 1998–2007
- Subaru Legacy 2.0 and 2.5 - 2003–2014
- Subaru Outback 2.5 - 2003-2012
- Subaru Impreza 2.0 – 2011–2016
- Subaru Impreza 2.5 - 2004-2011
- Subaru Forester 2.0 – 2010–2014
- Subaru Forester 2.5 - 2003–2010
- Subaru XV 2.0 - 2011–2017
Injector P/N to Engine and Vehicle Fitment
| Injector P/N | Confirmed application |
|---|---|
| 16611AA521 | Subaru Impreza WRX and Forester, 2.0 DOHC Turbo |
| 16611AA680 | Subaru Legacy, Forester and Impreza, naturally aspirated 2.0 SOHC and 2.5 SOHC |
| 16611AA75A | Subaru Legacy, naturally aspirated 2.5 SOHC |
| 16611AA77A | Subaru Legacy and Outback, naturally aspirated 2.5 SOHC |
| 16611AA800 | Subaru Impreza, Forester, Legacy and XV, naturally aspirated 2.0 DOHC |
Confirmed Model-Year Ranges
- Subaru Impreza WRX 2.0 Turbo: 2000–2007
- Subaru Forester 2.0 Turbo: 1998–2007
- Subaru Legacy 2.0 and 2.5: 2003–2014
- Subaru Outback 2.5: 2003–2012
- Subaru Impreza 2.0: 2011–2016
- Subaru Impreza 2.5: 2004–2011
- Subaru Forester 2.0: 2010–2014
- Subaru Forester 2.5: 2003–2010
- Subaru XV 2.0: 2011–2017
Part Number / PN
16611AA521, 16611-AA521, 16611AA680, 16611-AA680, 16611AA75A, 16611-AA75A, 16611AA77A, 16611-AA77A, 16611AA800, 16611-AA800, 146012118, 181042217
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 16611AA521 is the primary fitment check.
FAQ
How do I confirm fitment for this product?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 16611AA521. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this product?
Confirmed symptoms include rough or unstable idle, misfire or uneven engine operation, fuel odor or leakage around the injector, increased fuel consumption. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this product?
The confirmed kit contents are: fuel injector sealing rings;, injector filters;, Details for maintenance of four injectors..
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings