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Home/FCC ID directory/SY5MDFNA433
FCC ID cross-reference

FCC ID SY5MDFNA433

Fits Hyundai (2013–2018)

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.

See all 9 parts
FCC ID
SY5MDFNA433
IC: 8325A-DMFNA433
+
Match this code on the customer’s key.
  • Makes
    1
    Hyundai
  • Models
    4
  • Model years
    2013–2018
  • Frequency
    433 / 434
    MHz
  • In stock
    7 / 9
    9 SKUs
VehiclesPart numbers & specsFit checkPartsQuestions
Will it fit?

Vehicles verified for SY5MDFNA433

Hyundai

4 models
  • Elantra
  • Elantra Coupe GS-SE
  • Elantra GT
  • Santa Fe

Model years 2013–2018.

Which part fits which model

Each listing for this code, with the models and years it is verified for.

PartFitsYearsButtonsStock
2015-2018 Hyundai / 4-Button Smart-Key / PN: 95440-B8100 / FCC ID: SY5MDFNA433 (OEM)
Smart KeyGenuine OEM
Santa Fe2015–20184 In stock
2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433
Smart Key
Santa Fe2015–20184 Backorder
2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433 (Aftermarket)
Smart Key
Santa Fe2015–20184 In stock
2013-2017 Hyundai Elantra / 4-Button Smart Key / PN: 95440-3X520 / SY5MDFNA433
Smart Key
Elantra2013–20174 Backorder
2014-2017 Hyundai Elantra GT / 4-Button Smart Key / PN: 95440-A5010 / SY5MDFNA433 (OEM)
Smart KeyGenuine OEM
Elantra GT2014–20174 In stock
2015-2017 Hyundai Elantra GT / Emergency Key / HY18 / PN: 81996-A5020
Emergency / Insert Key
Elantra GT2015–2017— In stock
2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X500 / SY5MDFNA4333 (OEM)
Smart KeyGenuine OEM
Elantra Coupe GS-SE, Elantra2013–20164 In stock
2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X520 / SY5MDFNA4333 (OEM)
Smart KeyGenuine OEM
Elantra Coupe GS-SE, Elantra2013–20164 In stock
2013-2016 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433
Smart Key
Santa Fe2013–20164 In stock
  • 2015-2018 Hyundai / 4-Button Smart-Key / PN: 95440-B8100 / FCC ID: SY5MDFNA433 (OEM)
    Santa Fe
    2015–20184-buttonGenuine OEM In stock
  • 2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433
    Santa Fe
    2015–20184-button Backorder
  • 2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433 (Aftermarket)
    Santa Fe
    2015–20184-button In stock
  • 2013-2017 Hyundai Elantra / 4-Button Smart Key / PN: 95440-3X520 / SY5MDFNA433
    Elantra
    2013–20174-button Backorder
  • 2014-2017 Hyundai Elantra GT / 4-Button Smart Key / PN: 95440-A5010 / SY5MDFNA433 (OEM)
    Elantra GT
    2014–20174-buttonGenuine OEM In stock
  • 2015-2017 Hyundai Elantra GT / Emergency Key / HY18 / PN: 81996-A5020
    Elantra GT
    2015–2017 In stock
  • 2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X500 / SY5MDFNA4333 (OEM)
    Elantra Coupe GS-SE, Elantra
    2013–20164-buttonGenuine OEM In stock
  • 2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X520 / SY5MDFNA4333 (OEM)
    Elantra Coupe GS-SE, Elantra
    2013–20164-buttonGenuine OEM In stock
  • 2013-2016 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433
    Santa Fe
    2013–20164-button In stock
Part numbers & specs

Cross-reference data for SY5MDFNA433

Cross-references (original part numbers)

5

The original part numbers our SY5MDFNA433 replacements match against. Tap a number to copy it.

Electronics

Frequency
433 MHz, 434 MHz
Transponder chip
PCF7945A / HITAG 2 / 46 CHIP
Buttons
4
Key types
Emergency / Insert KeySmart Key
IC ID (Canada)
Visual guide

Four checks before you program

  1. 1

    FCC ID on the label

    The code on the customer's key must read exactly the same.

    This code
    SY5MDFNA433
  2. 2

    Frequency

    A remote on the wrong frequency will never talk to the car, even if it looks identical.

    This code
    433 MHz · 434 MHz
  3. 3

    Buttons & layout

    Match the button count and the button layout to the original key.

    This code
    4-button
  4. 4

    Transponder chip

    For push-to-start and keyed ignitions, the chip has to match the immobiliser.

    This code
    PCF7945A / HITAG 2 / 46 CHIP
Programming guaranteeIf it won't program on the listed vehicle, we refund it and pay the return freight.Terms
Order

Genuine OEM and aftermarket parts for SY5MDFNA433

7 of 9 in stock
2015-2018 Hyundai / 4-Button Smart-Key / PN: 95440-B8100 / FCC ID: SY5MDFNA433 (OEM)
In stock
HyundaiSmart Key

2015-2018 Hyundai / 4-Button Smart-Key / PN: 95440-B8100 / FCC ID: SY5MDFNA433 (OEM)

FCC SY5MDFNA433434MHz4-btn2015–2018
Members-only pricing
View details
2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433
ILCOSmart Key

2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433

FCC SY5MDFNA4334-btn2015–2018
Members-only pricing

Backorder · Ships when it arrives in stock

View details
2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433 (Aftermarket)
Low stock
In stock
CKSSmart Key

2015-2018 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433 (Aftermarket)

FCC SY5MDFNA433433MHz4-btn2015–2018PCF7945A / HITAG 2 / 46 CHIP
Members-only pricing
View details
2013-2017 Hyundai Elantra / 4-Button Smart Key / PN: 95440-3X520 / SY5MDFNA433
ILCOSmart Key

2013-2017 Hyundai Elantra / 4-Button Smart Key / PN: 95440-3X520 / SY5MDFNA433

FCC SY5MDFNA4334-btn2013–2017
Members-only pricing

Backorder · Ships when it arrives in stock

View details
2014-2017 Hyundai Elantra GT / 4-Button Smart Key / PN: 95440-A5010 / SY5MDFNA433 (OEM)
In stock
HyundaiSmart Key

2014-2017 Hyundai Elantra GT / 4-Button Smart Key / PN: 95440-A5010 / SY5MDFNA433 (OEM)

FCC SY5MDFNA433434MHz4-btn2014–2017
Members-only pricing
View details
2015-2017 Hyundai Elantra GT / Emergency Key / HY18 / PN: 81996-A5020
In stock
CKSEmergency / Insert Key

2015-2017 Hyundai Elantra GT / Emergency Key / HY18 / PN: 81996-A5020

FCC SY5MDFNA4332015–2017
Members-only pricing
View details
2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X500 / SY5MDFNA4333 (OEM)
In stock
HyundaiSmart Key

2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X500 / SY5MDFNA4333 (OEM)

FCC SY5MDFNA433434MHz4-btn2013–2016
Members-only pricing
View details
2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X520 / SY5MDFNA4333 (OEM)
In stock
HyundaiSmart Key

2013-2016 Hyundai Elantra / 4-Button Smart-Key / PN: 95440-3X520 / SY5MDFNA4333 (OEM)

FCC SY5MDFNA433434MHz4-btn2013–2016
Members-only pricing
View details
2013-2016 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433
In stock
CKSSmart Key

2013-2016 Hyundai Santa Fe / 4-Button Smart Key / PN: 95440-B8100 / SY5MDFNA433

FCC SY5MDFNA433434MHz4-btn2013–2016
Members-only pricing
View details
Quick answers

Quick answers — FCC ID SY5MDFNA433

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.

More Hyundai FCC IDs we stock

Browse all FCC IDs
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  • CQOFD01480Ioniq1 SKU
  • CQOFN01200Ioniq3 SKUs
  • CQOFN01210Ioniq 51 SKU
  • NYOMBEC4FOB2004Elantra2 SKUs
  • NYOMBEC4TX2004Elantra1 SKU
  • NYOMBEC5FOB2004Elantra, Elantra Hybrid6 SKUs
  • NYOMBEC7FOB2208Elantra, Elantra Avante9 SKUs
  • NYOMBECFOB2208Elantra1 SKU
  • NYOSEKS-TF10ATXOptima, Veloster3 SKUs
  • NYOSYEC4FOB1608Accent Limited, Elantra4 SKUs
  • NYOSYEC4TX1707Accent1 SKU
  • OKA-860TTucson1 SKU
  • OKA-NO38Elantra1 SKU

Need help confirming fit for SY5MDFNA433?

Leave your email and phone — we’ll verify the cross-reference against the vehicle on your bench and reply with the exact SKU. No spam, ever.

So we can call you about fitment or your order.

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