How to Replace the Fuel Injectors and Fuel Rail on My Subaru Impreza?

On non-turbo models, depressurize the fuel system and disconnect the negative battery terminal. Disconnect spark plug wires from cylinders 1 and 3. Unbolt the power steering pump and remove the fuel rail protector. Disconnect the electrical connectors from the fuel injectors and the fuel line fitting. Remove the fuel rail and injectors as a unit. Plug the injector holes in the intake manifold. Remove the old O-rings from each injector and replace them with new ones. Reinstall the injectors and fuel rail. For the left fuel rail, remove the windshield washer fluid reservoir and disconnect spark plug wires from cylinders 2 and 4. Disconnect the PCV hose and remove the fuel rail protector. Disconnect the injector harness and remove the fuel rail and injectors as a unit. Replace the O-rings as before. For turbo models, remove the intake manifold and disconnect the fuel injector electrical connector. Remove the fuel rail cover and lift up the rail to remove the injectors. Replace the O-rings and reinstall.

Genuine Subaru Impreza Fuel Injector

Gas Injector

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23 Fuel Injectors found

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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA720
$134.79 MSRP: $195.35
You Save: $60.56 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2011 Subaru Impreza | 2.5 GT, STI, STI Limited, STI Special Edition, STI Sport, WRX, WRX Sport, WRX TR, WRXSS | 2.5L H4 Turbo
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA680
$113.61 MSRP: $164.65
You Save: $51.04 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005-2011 Subaru Impreza | 2.5i, 25i, Outback, Outback Sport, RS | 2.5L H4
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AB030
$232.69 MSRP: $340.18
You Save: $107.49 (32%)
ADD TO CART
Product Specifications
- Other Name: INJECTOR Sub Assembly
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2024-2025 Subaru Impreza | 4 Cyl 2.5L
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA981
$260.85 MSRP: $381.37
You Save: $120.52 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: INJECTOR Sub Assembly
- Replaced by: 16611AA982
- Replaces: 16611AA980
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2022-2025 Subaru Impreza | 4 Cyl 2.0L, 4 Cyl 2.0L 5MT, 4 Cyl 2.0L CVT
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA991
$317.44 MSRP: $468.21
You Save: $150.77 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: INJECTOR Sub Assembly
- Replaces: 16611AA990
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2022-2025 Subaru Impreza | 4 Cyl 2.0L, 4 Cyl 2.0L 5MT, 4 Cyl 2.0L CVT
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA971
$292.12 MSRP: $430.85
You Save: $138.73 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: INJECTOR Sub Assembly
- Replaced by: 16611AA972
- Replaces: 16611AA970
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2022-2025 Subaru Impreza | 4 Cyl 2.0L, 4 Cyl 2.0L 5MT, 4 Cyl 2.0L CVT
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA521
$168.25 MSRP: $245.98
You Save: $77.73 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2005 Subaru Impreza | WRX | 2.0L H4 Turbo
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA920
$240.39 MSRP: $351.45
You Save: $111.06 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2016 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA800
$134.37 MSRP: $194.73
You Save: $60.36 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2012-2014 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA840
$145.22 MSRP: $212.32
You Save: $67.10 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2012-2014 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
View related parts
Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA970
$292.12 MSRP: $430.85
You Save: $138.73 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly
- Manufacturer Note: MARK"4"
- Replaced by: 16611AA972
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru Impreza | Base, Limited, Premium, Sport
View related parts
Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA990
$317.44 MSRP: $468.21
You Save: $150.77 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly
- Manufacturer Note: MARK"6"
- Replaced by: 16611AA991
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru Impreza | Base, Limited, Premium, Sport
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA350
$154.88 MSRP: $226.43
You Save: $71.55 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999 Subaru Impreza | Brighton, L, Outback, RS | 2.2L H4 Series, 2.5L H4 SOHC
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA980
$260.85 MSRP: $381.37
You Save: $120.52 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injector Sub Assembly
- Manufacturer Note: MARK"5"
- Replaced by: 16611AA982
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2020 Subaru Impreza | Base, Limited, Premium, Sport
View related parts
Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA430
$154.88 MSRP: $226.43
You Save: $71.55 (32%)
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2000-2004 Subaru Impreza | Outback, RS, TS | 2.5L H4, 2.5L H4 SOHC
View related parts
Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA180
Product Specifications
- Other Name: Injector Sub Assembly
- Replaced by: 16611AA300
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1994 Subaru Impreza | Base, L, L+, LE, LS | 1.8L H4
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Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA310
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Replaces: 16611AA260R1, 16611AA140, 16611AA141, 16611AA210, 16611AA260
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1998 Subaru Impreza | RS | 2.5L H4 DOHC
- 1995-1996 Subaru Impreza | L, LX, Outback | 2.2L H4
View related parts
Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA300
Product Specifications
- Other Name: Injector Sub Assembly; Injector
- Replaces: 16611AA270, 16611AA270R1, 16611AA181, 16611AA180
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1998 Subaru Impreza | Base, Brighton, L, L+, LE, LS, Outback | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO)
View related parts
Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA270
Product Specifications
- Other Name: Injector Sub Assembly
- Replaced by: 16611AA300
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1996 Subaru Impreza | Brighton, L | 1.8L H4
View related parts
Subaru Impreza Fuel Injector Sub Assembly
Part Number: 16611AA181
Product Specifications
- Other Name: Injector Sub Assembly
- Replaced by: 16611AA300
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1994-1996 Subaru Impreza | Base, Brighton, L, LE, LS | 1.8L H4

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1-20 of 23 Results

Subaru Impreza Fuel Injector

The Subaru Impreza Fuel Injector electronically delivers pressurized fuel into the engine cylinders to mix the fuel with air for combustion. The Fuel Injector is the electronic equivalent of a carburetor. It injects fuel into a cylinder or the intake manifold under the control of the engine control unit, which meters quantity and timing to match load conditions. On returnless arrangements, the fuel pump or engine control module sets pressure, cutting the number of fuel lines and helping the Subaru Impreza maintain a simpler layout. This exact delivery means Subaru engines are able to perform efficiently, yet the Fuel Injector can become clogged, internally leaked, or stuck, causing a performance drop or engine damage. Due to only one design being confirmed for Subaru models, the Subaru Impreza Fuel Injector is provided here as a single electronically managed component and without implied variations. The reliable operation of each Fuel Injector remains important for routine Impreza operation.

Our website stands as the go-to online destination for OEM Subaru Impreza Fuel Injector. With complete lines of genuine Subaru Impreza Fuel Injector available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

Subaru Impreza Fuel Injector Parts Questions & Experts Answers

Fuel Injector Sub Assembly
16611AA720
Q:
How to Replace the Fuel Injectors and Fuel Rail on My Subaru Impreza?
Posted by Al B.
A:
On non-turbo models, depressurize the fuel system and disconnect the negative battery terminal. Disconnect spark plug wires from cylinders 1 and 3. Unbolt the power steering pump and remove the fuel rail protector. Disconnect the electrical connectors from the fuel injectors and the fuel line fitting. Remove the fuel rail and injectors as a unit. Plug the injector holes in the intake manifold. Remove the old O-rings from each injector and replace them with new ones. Reinstall the injectors and fuel rail. For the left fuel rail, remove the windshield washer fluid reservoir and disconnect spark plug wires from cylinders 2 and 4. Disconnect the PCV hose and remove the fuel rail protector. Disconnect the injector harness and remove the fuel rail and injectors as a unit. Replace the O-rings as before. For turbo models, remove the intake manifold and disconnect the fuel injector electrical connector. Remove the fuel rail cover and lift up the rail to remove the injectors. Replace the O-rings and reinstall.
Answered by Subaru Parts Specialist Albert / Nov 02, 2025