4X Fuel Injectors 84212245 For 2001-2003 Mazda Protege Protege5 2.0L I4 INP-782

4X Fuel Injectors 84212245 for Mazda

This set of 4 fuel injectors, with OEM cross-reference numbers 84212245 and INP-782, delivers precise fuel delivery for 2001-2003 Mazda Protege and Protege5 equipped with the 2.0L I4 engine.

Overview

The 4X fuel injectors 84212245 for Mazda provide a direct-fit upgrade for worn or leaking injectors that cause rough idle, hard starts, and poor fuel economy. These injectors are engineered to the exact flow and spray pattern required by the 2.0L Protege and Protege5, restoring factory metering. For anyone tackling a tune-up or performance restoration, the 4X fuel injectors 84212245 for Mazda offer reliable drop-in performance with no modifications needed.

Built For Performance

• OEM-matched flow rate and atomization for the 2.0L I4 engine
• High-precision pintle and solenoid design for consistent multi-point injection
• Corrosion-resistant stainless-steel body and internal components
• Pre-calibrated coil resistance eliminates ECU compatibility issues
• Includes new O-rings and seals for a leak-free installation

Fits These Machines

• for Mazda Protege 2.0L I4 (2001-2003)
• for Mazda Protege5 2.0L I4 (2001-2003)

On-The-Job Use

• Replacing clogged injectors that cause cylinder misfire and hesitation
• Fleet servicing for delivery or commuter Protege models
• Restoring fuel economy after high-mileage wear
• Diagnostic step when fuel trim readings indicate lean conditions
• Complete injector refresh during intake manifold or cylinder head repairs

Specs At A Glance

Good To Know

Q: Do these injectors require ECU reprogramming? A: No, they are plug-and-play drop-in replacements that maintain the factory flow rate and do not require any tuning or recalibration.

Q: Are these genuine Mazda injectors? A: No, these are high-quality aftermarket injectors built to meet or exceed OEM spray pattern and durability specifications for 2001-2003 Mazda Protege and Protege5 2.0L engines.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.