Sale

Air and Fuel Fuel Injection Systems and Components - Electronic

STI

Fuel Injector

$257.35 $176.03 Save $81.32

SKU: 16600AA300

In Stock
In Stock
Ships by Aug 4
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The STI 16600AA300 Fuel Injector is a genuine OEM component engineered to deliver precise fuel metering directly into the engine’s combustion chamber. As a critical part of the fuel delivery system, this injector ensures efficient combustion, optimal engine performance, and reduced emissions in line with factory specifications. Its fine atomization and factory-calibrated flow rate help maintain smooth engine operation, fuel efficiency, and throttle responsiveness. Each unit comes with the necessary o-rings and seals for a complete installation. It serves as a direct replacement that integrates seamlessly into the original fuel rail and electrical connector system. No adjustments or additional programming are required for installation. Please note that this part is not compatible with 1987 Subaru models, and verifying fitment with your VIN is recommended for accuracy.

MIA's Description

The STI 16600AA300 Fuel Injector is a genuine OEM component designed for precise fuel metering. Built for reliability, this replacement part helps restore proper engine combustion and throttle responsiveness in your Subaru.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSTI
Part Number16600AA300
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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