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Fits 34 KYMCO model-years, including MXU 450 (2017~) and MXU 450 I 2026 EPA.

Genuine KYMCO OEM Part no. 19300-PTA1-900 Also written 19300PTA1900 Fits 34 model-years

Part number

19300-PTA1-900

Also written

19300PTA1900

Factory name

THERMOSTAT ASSY

$132.06

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What this part is

Thermostat Assembly is the component KYMCO's factory catalogue lists under number 19300-PTA1-900, in the cooling group. It is drawn on 2 factory exploded views; the table below gives the diagram, the callout number and the quantity for every model-year that takes it.

Fits these KYMCO models (34 model-years)

Model	Years	Factory code	Diagram	Callout	Qty
MXU 450 (2017~)	2017+	LC90EJ(US)	E05 Cover Left Crank Case	12	1
MXU 450 I 2026 EPA	2026	LC90LT(US)	E05 Cover Left Crank Case	12	1
MXU 450i (2017~)	2017+	LC90EE(US)	E05 Cover Left Crank Case	12	1
MXU 450i (2021)	2021	LC90LG(US)	E05 Cover Left Crank Case	12	1
MXU 450i (2023)	2023	LC90LK(US)	E05 Cover Left Crank Case	12	1
MXU 450i (2024)	2024	LC90LN(US)	E05 Cover Left Crank Case	12	1
MXU 450i LE (2017~)	2017+	LC90EF(US)	E05 Cover Left Crank Case	12	1
MXU 450i LE (2023)	2023	LC90LL(US)	E05 Cover Left Crank Case	12	1
MXU 450I LE 2026 EPA	2026	LC90LU(US)	E05 Cover Left Crank Case	12	1
MXU 450i LE(2018)	2018	LC90EN(US)	E05 Cover Left Crank Case	12	1
MXU 450i LE(2019)	2019	LC90ES(US), LC90ET(US)	E05 Cover Left Crank Case	12	1
MXU 450i LE(2020)	2020 (Flat Deep Green)	LC90LC(US), LC90LB(US)	E05 Cover Left Crank Case	12	1
MXU 450i LE(2021)	2021 (Black)	LC90LF(US), LC90LE(US)	E05 Cover Left Crank Case	12	1
MXU 450i(2019)	2019	LC90ER(US)	E05 Cover Left Crank Case	12	1
MXU 450i(2020)	2020	LC90LA(US)	E05 Cover Left Crank Case	12	1
MXU 450i(2021)	2021	LC90LD(US)	E05 Cover Left Crank Case	12	1
MXU 700 Exi(2019)	2019	LAADNA(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700 LE(2020)	2020	LAADNF(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700(2020)	2020	LAADMF(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700(2021)	2021	LAADMG(US)	E04 Right Crankcase Cover ● Water Pump	9	1

Show the remaining 14 fitments

Model	Years	Factory code	Diagram	Callout	Qty
MXU 700i	2026	LAADML(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i (2016~)	2016+	LAADAM(US), LAADCH(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i (2017~)	2017+	LAADAP(US), LAADAR(US), LAADCK(US), LAADCG(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i (2022)	2022	LAADMJ(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i EPS (2017~)	2017+	LAADCL(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i EPS(2018)	2018	LAADCN(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i LE	2023	LAADNR(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i LE	2025	LAADNT(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i LE 2024	2024	LAADNS(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i LE(2021)	2021	LAADNJ(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i Prime(2018)	2018	LAADCR(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i(2018)	2018	LAADCM(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU 700i(2019)	2019	LAADAS(US), LAADMA(US), LAADCS(US)	E04 Right Crankcase Cover ● Water Pump	9	1
MXU Hunter 700i(2018)	2018	LAADCP(US)	E04 Right Crankcase Cover ● Water Pump	9	1

See it on the diagram

The 2 factory exploded views this part is drawn on.

Often needed for the same job

From the same assembly diagrams as this part.

Not sure it’s yours?

• Check the callout number: on the diagram above, 19300-PTA1-900 is the part at the callout numbers listed in the table.
• Decode your VIN to land on the exact model, year and colour KYMCO built for you.
• Still unsure? Email us the number and your VIN and we will confirm the fit.

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