Upgrade your CastelGarden mower with a reliable flat idler pulley – the perfect replacement for models such as TC102, TCP122 and a wide range of Champion, LawnKing, Sovereign and TwinCut series. This brand‑new pulley is engineered to match the original specifications (diameter 86 mm, bore 17 mm, height 26 mm) while delivering smooth power transmission and reduced wear.
Why choose this pulley?
- Exact fit – Works with dozens of model codes (J92, J98S Hydro, TC102, TC122, TCC12.5/102, XD150 HD, etc.) so you can install it without modifications.
- Premium material – Made from high‑strength alloy for durability and quiet operation.
- Easy installation – Simple bolt‑on design saves you time and effort compared with aftermarket alternatives.
- Cost‑effective – Provides the same performance as OEM parts at a fraction of the price.
Compatibility snapshot
| Brand / Series | Model codes |
|---|---|
| CastelGarden / Champion | J92, J98S Hydro, TC102, TCP122 |
| LawnKing / Sovereign | JD92 Hydro, JN98S, JTPN98S |
| TwinCut | JT92 Hydro, JX98S, XG170 HD |
Replace the worn idler pulley and restore your mower’s belt tension and cutting efficiency. This part is fully compatible, not an original manufacturer component, but it meets or exceeds the original design standards. Keep your lawn looking pristine—order the flat transmission idler pulley today!





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