Designed specifically for XF and XJ models equipped with the C2D21475 engine Direct-fit replacement for the coolant return hose to maintain proper cooling system function Constructed from EPDM rubber to resist heat, coolant chemicals, and under-hood aging Meets OEM specifications for inner diameter, outer diameter, and bend radius to secure installation Compatible with 2008–2019 XF (X250) and XJ (X350/X351) variants using the C2D21475 powertrain, Manufacturer: OGBtkLOrs