Not for Elantra 2003. Electrical wiring harness is totally incompatible. Waiting period. Revision: After some research I found out that there are two different types of coil packs for the 2003 Elantra. This one didn't suit me. The difference lies in the shape and position of the electrical connections. If you have a 2003 Elantra, compare the electrical connections before ordering. I'm changing the rating to 1-3 stars as this is just misinformation and not a product defect.
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