90503-0A51-870
Fits 10 KYMCO model-years, including AK550 (2025) and AK550 2022.
- Part number
- 90503-0A51-870
- Also written
- 905030A51870
- Factory name
- WASHER STEERING STEM NUT
$1.86
US shipping, calculated at checkout · Special orders come from KYMCO’s US distributor · 14-day returns & fitment guarantee
What this part is
Washer Steering Stem Nut is the component KYMCO's factory catalogue lists under number 90503-0A51-870, in the bolts & hardware group. It is drawn on 3 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
| Model | Years | Factory code | Diagram | Callout | Qty |
|---|---|---|---|---|---|
| AK550 | 2025 | SAA1AL(US) | F16 Rear Cushion | 28 | 1 |
| AK550 2022 | 2022 | SAA1AJ(US) | F16 Rear Cushion | 28 | 1 |
| AK550 2022 | 2023 | SAA1AK(US) | F16 Rear Cushion | 28 | 1 |
| AK550 ST | 2026 | SBA1BA(US) | F17 Rear Cushion | 25 | 1 |
| AK550(2021) | 2021 | SAA1AA(US) | F16 Rear Cushion | 28 | 1 |
| CV3 | 2026 | SBA1CC(US) | F17 Rear Cushion | 20 | 1 |
| CV3 2023 | 2023 | SBA1CA(US) | F17 Rear Cushion | 20 | 1 |
| SPADE 150 FI 2021 | 2021 | RT30HG(US) | F04 Steering Handle●Stem | 20 | 1 |
| SPADE 150 FI(2018) | 2018 | RT30HE(US) | F04 Steering Handle●Stem | 20 | 1 |
| SPADE 150 FI(2020) | 2020 | RT30HF(US) | F04 Steering Handle●Stem | 20 | 1 |
See it on the diagram
F04 — Steering Handle●Stem
View diagram →
F16 — Rear Cushion
View diagram →
F17 — Rear Cushion
View diagram →Often needed for the same job
Not sure it’s yours?
- Check the callout number: on the diagram above, 90503-0A51-870 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.