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21124-LDB5-E00 Oil Seal 42X51X4

Fits 8 KYMCO model-years, including MXU (2022) and MXU 500i (4X4/IRS) (2016~). Callout 6 on the E05 Drive Pulley diagram, 2 per machine.

Genuine KYMCO OEM Part no. 21124-LDB5-E00 Also written 21124LDB5E00 Fits 8 model-years

Part number: 21124-LDB5-E00
Also written: 21124LDB5E00
Factory name: OIL SEAL 42X51X4

$0.93

US shipping, calculated at checkout · Special orders come from KYMCO’s US distributor · 14-day returns & fitment guarantee

What this part is

Oil Seal 42X51X4 is the component KYMCO's factory catalogue lists under number 21124-LDB5-E00, in the engine group. It is drawn on the E05 Drive Pulley exploded view as callout 6, and the table below lists every model-year that takes it.

Fits these KYMCO models (8 model-years)

Model	Years	Factory code	Diagram	Callout	Qty
MXU	2022	LEA0LB(US)	E05 Drive Pulley	6	2
MXU 500i (4X4/IRS) (2016~)	2016+	LEA0AH(US)	E05 Drive Pulley	6	2
MXU 500i(4X4/IRS) (2017~)	2017+ (Deep Green, Red, Blue)	LEA0AK(US)	E05 Drive Pulley	6	2
MXU 550(2021)	2021	LEA0LA(US)	E05 Drive Pulley	6	2
MXU 550i (2023)	2023	LEA0LC(US)	E05 Drive Pulley	6	2
MXU 550i (2026MY)	2026	LEA0LN(US)	E05 Drive Pulley	6	2
MXU 550i EPS (2024MY)	2024	LEA0LE(US)	E05 Drive Pulley	6	2
MXU 550i EPS(2025MY)	2025	LEA0LL(US)	E05 Drive Pulley	6	2

See it on the diagram

The factory exploded view this part is drawn on.

E05 — Drive Pulley

View diagram →

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, 21124-LDB5-E00 is the part at callout 6.
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.