Will this fuel injector fit my vehicle?

This injector is verified compatible with: 2015 Subaru WRX; 2014 Subaru Impreza; 2014 Subaru WRX; 2013 Subaru Forester; 2013 Subaru Impreza; 2013 Subaru WRX; 2012 Subaru Forester; 2012 Subaru Impreza and more (see full fitment list). Always cross-reference your OEM part number for guaranteed fit.

What warranty comes with this injector?

Every Aurus fuel injector ships with our Lifetime Warranty covering manufacturing defects, flow rate issues, electrical failures, and internal component failure. Replacement is hassle-free with order number.

How fast does this ship?

In-stock injectors ship same-day from our Long Beach, California facility for orders placed before 3PM PST. Standard delivery is 3–5 business days within the continental US. Free shipping on all orders.

Is this OEM or aftermarket?

This is a genuine OEM DENSO fuel injector, professionally remanufactured to factory specifications. Same brand as your original equipment.

ORIGINAL DENSOBench-Tested by Aurus · Certificate Included

DENSO

Denso Fuel Injectors with Test Report for Subaru Impreza Forester

Name: Denso Fuel Injectors with Test Report for Subaru Impreza Forester
Brand: DENSO
SKU: TR-16600-AA720-X4
Price: 155.99 USD
Availability: InStock
Rating: 4.9 (50 reviews)

VERIFIED FITMENT

Subaru WRXSubaru ImprezaSubaru Forester+2 more

$155.99

Get it in 3–5 days·Faster options at checkout

Part Numbers

OEM / Manufacturer Part Number

16600-AA720

ORIGINAL DENSOBench-Tested by Aurus · Certificate Included

DENSO

VERIFIED FITMENT

Plug-and-play installation

Subaru WRX 2015 2.5LSubaru Impreza 2014 2.5LSubaru WRX 2014 2.5LSubaru Forester 2013 2.5L+25 more vehicles

SKU: TR-16600-AA720-X4

✓

With Independent Test Report

Every injector in this set is bench-tested at rated PSI on calibrated Bosch lab equipment. A serialized Test Report Certificate is included in the box.

✓ Flow rate cc/min✓ Pulsed idle 800 RPM✓ Pulsed cruise 2,500 RPM✓ Leak test✓ Spray pattern

OEM-Level Engineered Product

Built to Precision Standards • Multi-Stage Tested • Lifetime Warranty

Part Numbers

OEM / Manufacturer Part Number

16600-AA720

$155.99

Get it in 3–5 days·Faster options at checkout

LifetimeWarranty

30-DayReturns

Same / Next-DayShipping

Fitment

2006–2013Subaru Forester2.5L
2006–2014Subaru Impreza2.5L
2007–2012Subaru Legacy2.5L
2007–2009Subaru Outback2.5L
2013–2015Subaru WRX2.5L

5 vehicle fitments

Part Numbers

OEM / Manufacturer Part Number

16600-AA720

Item Specifics

Manufacturer Part Number	16600-AA720
Superseded Part Number	16-2054, MP4301, 158-1459, 842-12341, FJ860
Injectors per set	4 pieces
Brand	DENSO
Specifics	Sumitomo port / 12 hole Nozzle
Interchange Part Number	0580 / 297500-0580 / 297-0013
Manufacturer Warranty	Lifetime
OE/OEM Part Number	16611-AA720 16600-AA720
Manufacturer	DENSO
Country of Origin	United States
Fitment	2007-2013 2014 2015 2016 2017 2018 2019 2020 2021 Subaru STI 2.5L, 2007 2008 2009 2010 2011 2012 Subaru Legacy 2.5L, 2006 2007 2008 2009 2010 2011 2012 2013 2014 Subaru Impreza 2.5L, 2006 2007 2008 2009 2010 2011 2012 2013 Subaru Forester 2.5L, 2007 2008 2009 Subaru Outback 2.5L, 2006-2012 2013 2014 2015 2016 2017 2018 2020 2021 Subaru WRX 2.5L

Description

This is a premium tier set. Each injector is bench-tested at rated PSI on calibrated Bosch equipment in our facility.

This is manufactured by us using Denso components.

Each unit ships with a serialized Test Report Certificate inside the box.

Each unit will be professionally tested before leaving our facility. The Test Report Certificate will be included in the box and emailed to you.

What You Get

✓ Bench-tested on calibrated Bosch lab equipment
✓ Serialized Test Report Certificate (flow rate, leak test, spray pattern)
✓ Lifetime Warranty
✓ Free shipping (US)
✓ Certificate emailed AND included in the box
✓ View Sample Report

Warranty

Lifetime Warranty

All AURUS fuel injectors are backed by a Lifetime Warranty. If any injector fails under normal use, we will replace it free of charge — no questions asked.

What's Covered

Manufacturing defects, electrical failure, flow performance degradation, and leaks under normal operating conditions.

Not Covered

Physical damage, misuse, improper installation, or use with incompatible vehicles not listed in fitment.