Mazda 3 Fuel Injectors and Injection Parts
This page brings together fuel injectors and injection parts for the Mazda 3, covering model years 2004 through 2025. The range includes everything from OE-replacement fuel injectors and throttle bodies to performance cold air intake kits and short ram intakes. Select your year above and we'll show only the fuel injectors and injection parts that fit your Mazda 3. Fitment is checked against our vehicle data for every part listed.
Representative Photo, actual item may vary
Weapon-R 302-131-101 Secret Weapon Cold Air Intake System
Weapon-R 302-137-101 Secret Weapon Short Ram Air Intake System - Polished
Representative Photo, actual item may vary
Dorman 977-129 Fuel Injection Throttle Body for Select Mazda Vehicles
Representative Photo, actual item may vary
What's here for your Mazda 3
- Engine cold air intakes and cold air intake performance kits, including heat-shielded and black finish options
- Short ram air intakes for a compact induction setup
- Fuel injectors, including remanufactured and OE-replacement units
- Fuel injection throttle bodies and throttle body assemblies
- Complete fuel injection system components
The widest selection here comes from Injen, GB Remanufacturing, HPS Performance Products, and Standard Motor Products, spanning performance-focused intakes, remanufactured injectors, and direct-fit replacement parts. Other categories Mazda 3 owners shop for: Mazda 3 Springs and Suspension Parts, Mazda 3 Shocks and Struts and Mazda 3 Brake Rotors and Drums, or browse all Mazda 3 parts and accessories.