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Home/FCC ID directory/KR55WK45144
FCC ID cross-reference

FCC ID KR55WK45144

Fits Smart (2008–2015)

KR55WK45144 is the FCC ID printed on the label under the fob’s battery cover — on this code we verify fit for Smart (2008–2015). 1 aftermarket replacement is published, all in stock.

See the part
FCC ID
KR55WK45144
+
Match this code on the customer’s key.
  • Makes
    1
    Smart
  • Models
    1
  • Model years
    2008–2015
  • Frequency
    315
    MHz
  • In stock
    1 / 1
    1 SKU
VehiclesPart numbers & specsFit checkPartsQuestions
Will it fit?

Vehicles verified for KR55WK45144

Smart

1 model
  • Fortwo

Model years 2008–2015.

Part numbers & specs

Cross-reference data for KR55WK45144

Electronics

Frequency
315 MHz
Transponder chip
PCF7941A / HITAG 2 / 46 CHIP
Buttons
4
Key types
Remote Head Key
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
    KR55WK45144
  2. 2

    Frequency

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

    This code
    315 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
    PCF7941A / HITAG 2 / 46 CHIP
Programming guaranteeIf it won't program on the listed vehicle, we refund it and pay the return freight.Terms
Order

Aftermarket replacements for KR55WK45144

1 of 1 in stock
2008-2015 Smart Fortwo / 4-Button Remote Head / KR55WK45144 (Aftermarket)
In stock
CKSRemote Head Key

2008-2015 Smart Fortwo / 4-Button Remote Head / KR55WK45144 (Aftermarket)

FCC KR55WK45144315MHz4-btn2008–2015PCF7941A / HITAG 2 / 46 CHIP
Members-only pricing
View details
Quick answers

Quick answers — FCC ID KR55WK45144

What vehicles use FCC ID KR55WK45144?

FCC ID KR55WK45144 is verified in our catalog for Smart (Fortwo), model years 2008–2015.

What chip and frequency does KR55WK45144 use?

KR55WK45144 keys use the PCF7941A / HITAG 2 / 46 CHIP transponder chip and operate at 315 MHz.

Is there a replacement for KR55WK45144?

Yes — Car Key Source stocks 1 aftermarket remote head key replacement for FCC ID KR55WK45144, sold wholesale to the trade with US & Canada same-day dispatch.

More Smart FCC IDs we stock

Browse all FCC IDs
  • CWTWB1G767Forfour, Fortwo3 SKUs

Need help confirming fit for KR55WK45144?

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.

Apply for trade pricing Browse all FCC IDsFind my key

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