FCC ID KR5T21
Fits Acura (2019–2023)
KR5T21 is the FCC ID printed on the label under the fob’s battery cover — on this code we verify fit for Acura (2019–2023). 4 genuine OEM replacements are published, all in stock.
- Makes1Acura
- Models2
- Model years2019–2023
- Frequency433MHz
- In stock4 / 44 SKUs
Vehicles verified for KR5T21
Acura
2 models- RDX
- TLX
Model years 2019–2023.
Which part fits which model
Each listing for this code, with the models and years it is verified for.
- 2021–2023 Acura TLX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TGV-A01 / 433 MHz / Driver 1 / Chip: ID47 (OEM)TLX2021–20234-buttonGenuine OEM In stock
- 2021–2023 Acura TLX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TGV-A110 / 433 MHz / Driver 2 / Chip: ID47 (OEM)TLX2021–20234-buttonGenuine OEM In stock
- 2019–2020 Acura RDX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TJB-A01 / 433 MHz (OEM)RDX2019–20204-buttonGenuine OEM In stock
- 2019–2020 Acura RDX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TJB-A11 Driver 2 (OEM)RDX2019–20204-buttonGenuine OEM In stock
Cross-reference data for KR5T21
Cross-references (original part numbers)
4The original part numbers our genuine OEM KR5T21 replacements match against. Tap a number to copy it.
Electronics
- Frequency
- 433 MHz
- Transponder chip
- ID47
- Buttons
- 4
- Key types
- Smart Key
- IC ID (Canada)
Four checks before you program
- 1
FCC ID on the label
The code on the customer's key must read exactly the same.
This codeKR5T21 - 2
Frequency
A remote on the wrong frequency will never talk to the car, even if it looks identical.
This code433 MHz - 3
Buttons & layout
Match the button count and the button layout to the original key.
This code4-button - 4
Transponder chip
For push-to-start and keyed ignitions, the chip has to match the immobiliser.
This codeID47
Genuine OEM parts for KR5T21
2021–2023 Acura TLX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TGV-A01 / 433 MHz / Driver 1 / Chip: ID47 (OEM)
Retail $158.95— trade price is lower
Members-only pricing
2021–2023 Acura TLX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TGV-A110 / 433 MHz / Driver 2 / Chip: ID47 (OEM)
Retail $158.95— trade price is lower
Members-only pricing
2019–2020 Acura RDX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TJB-A01 / 433 MHz (OEM)
Retail $117.95— trade price is lower
Members-only pricing
2019–2020 Acura RDX Smart Key Remote / 4-Button / FCC ID: KR5T21 / PN: 72147-TJB-A11 Driver 2 (OEM)
Retail $117.95— trade price is lower
Members-only pricingQuick answers — FCC ID KR5T21
What vehicles use FCC ID KR5T21?
FCC ID KR5T21 is verified in our catalog for Acura (RDX, TLX), model years 2019–2023.
What chip and frequency does KR5T21 use?
KR5T21 keys use the ID47 transponder chip and operate at 433 MHz.
Is there a replacement for KR5T21?
Yes — Car Key Source stocks 4 genuine OEM smart key replacements for FCC ID KR5T21, sold wholesale to the trade with US & Canada same-day dispatch.
What original part numbers cross-reference to KR5T21?
FCC ID KR5T21 cross-references to original part numbers 72147-TGV-A01, 72147-TGV-A110, 72147-TJB-A01, 72147-TJB-A11 — the parts we stock for this code carry these original numbers.
More Acura FCC IDs we stock
Browse all FCC IDs- A269ZUA108CL, Integra1 SKU
- E4EG8D-444H-ACL, MDX4 SKUs
- E4EG8D444HAMDX, RSX1 SKU
- KR5434760ILX, RDX3 SKUs
- KR5BTPIntegra1 SKU
- KR5TP-2MDX, RDX4 SKUs
- KR5V21ILX, TLX1 SKU
- M3N5WY8145ILX, RDX4 SKUs
- N5F-A05TAACivic, MDX1 SKU
- N5F0602A1AMDX, RDX4 SKUs
- N5F0602AIAMDX, RDX2 SKUs
- OUCG8D-355H-ARSX2 SKUs
- OUCG8D-387H-ATL, TSX2 SKUs
- OUCG8D-439H-ATL1 SKU
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