Hyundai Elantra 2004 Old Model Fuel Injector 35310-23630

When your Hyundai Elantra (2004 old model) shows rough idle, hesitation during acceleration, noticeably higher fuel consumption, or cold-start difficulty, this usually indicates the original fuel injector is carboned up or aged, requiring replacement. This fuel injector sprays atomized fuel precisely during normal operation to ensure full combustion and smooth power output. OEM number 35310-23630; fits 2004 old-model Hyundai Elantra. Clean the intake port during installation, replace the seal ring, and tighten to the factory torque to prevent leaks or improper installation causing secondary faults.