FCC ID KR5T21
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. 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.
Cross-reference data for KR5T21
Compatible vehicles
- Acura — RDX, TLX
Model years 2019–2023.
Cross-references (original part numbers)
The original part numbers our genuine OEM KR5T21 replacements match against.
- 72147-TGV-A01
- 72147-TGV-A110
- 72147-TJB-A01
- 72147-TJB-A11
Electronics
- Transponder chip
- ID47
- Frequency
- 433 MHz
- Key types
- Smart Key
Quick 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.
Aftermarket replacements for KR5T21 in stock
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 pricingMore Acura FCC IDs we stock
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