FCC ID SY5MDFNA433

SY5MDFNA433 is the FCC ID printed on the label under the fob’s battery cover — on this code we verify fit for Hyundai (2013–2018). 9 (4 genuine OEM, 5 aftermarket) replacements are published, 7 in stock. Everything below — vehicles, original part-number cross-references, chip and frequency — comes straight from the live catalog. Wholesale for the trade; pricing unlocks with an approved account.

Compatible vehicles

Hyundai — Elantra, Elantra Coupe GS-SE, Elantra GT, Santa Fe

Model years 2013–2018.

Cross-references (original part numbers)

The original part numbers our SY5MDFNA433 replacements match against.

81996-A5020
95440-3X500
95440-3X520
95440-A5010
95440-B8100

Electronics

Transponder chip: PCF7945A / HITAG 2 / 46 CHIP
Frequency: 433 MHz, 434 MHz
Key types: Emergency / Insert Key, Smart Key

What vehicles use FCC ID SY5MDFNA433?

FCC ID SY5MDFNA433 is verified in our catalog for Hyundai (Elantra, Elantra Coupe GS-SE, Elantra GT, Santa Fe), model years 2013–2018.

What chip and frequency does SY5MDFNA433 use?

SY5MDFNA433 keys use the PCF7945A / HITAG 2 / 46 CHIP transponder chip and operate at 433 MHz, 434 MHz.

Is there a replacement for SY5MDFNA433?

Yes — Car Key Source stocks 9 (4 genuine OEM, 5 aftermarket) emergency / insert key / smart key replacements for FCC ID SY5MDFNA433, sold wholesale to the trade with US & Canada same-day dispatch.

What original part numbers cross-reference to SY5MDFNA433?

FCC ID SY5MDFNA433 cross-references to original part numbers 81996-A5020, 95440-3X500, 95440-3X520, 95440-A5010, 95440-B8100 — our replacements are matched against these originals.