1Fitment: Replacement for SeaDoo CHALLENGER 20072012; Replacement for SeaDoo GTX 20072015; Replacement for SeaDoo ISLANDIA 20072009, etc. 2Part Number: OE numbers for reference are 420888852 420250055. Please double check the part number of your item before ordering. 3Function: The oil cooler can cool the engine temperature, keep the engine within the normal operating temperature range, reduce the engine load and extend its service life. 4Fast Heat Dissipation: Engine oil cooler is made of high strength aluminum alloy, with good heat dissipation performance, stable structure and durability. 5Ideal Substitute: The cooler can be used to replace the aging and worn oil radiators. Better cooling performance gives your engine to improve power. Item Type: Engine Oil Cooler Material: Aluminum Alloy OE: 420888852 420250055 Fitment: Replacement for Sea-Doo CHALLENGER 2007-2012 Replacement for Sea-Doo 2007-2015 Replacement for Sea-Doo GTX 2007-2015 Replacement for Sea-Doo ISLANDIA 2007-2009 Replacement for Sea-Doo RXP 2007-2015 Replacement for Sea-Doo RXP-X 2009-2015 Replacement for Sea-Doo RXT 2007-2015 Replacement for Sea-Doo RXT-X 2009-2015 Replacement for Sea-Doo SPEEDSTER 2007-2012 Replacement for Sea-Doo UTOPIA 2007-2009 Replacement for Sea-Doo WAKE 2008-2015 1 x Engine Oil Cooler