This Support Ring compatible with Sea-Doo will fit all models GTR STD 230 1503 2017; GTR STD HO 1503 2019; GTR X 230 1503 2017; GTR X HO 1503 2019 Watercraft Part# 003-118-05 OEM# 295501153, 2955011747
Note: 29.5mm ID
Details: OD:65.90mm ID:29.40mm Height:18.50mm