Radiator Neck Filling Kit 16502-21020 For Probox Succeed XP50 XP160 NCP51 NCP50 NCP59 1NZFE 1.5L 2002-2014 1650221020 Material: ABS Plastic Placement on Vehicle: Engine Coolant Filler Neck OEM NO.: 16502-21020, 1650221020 Compatibility: Probox, Succeed, XP50, XP160, NCP51, NCP50, NCP59, 1NZFE 1.5L models from 2002 to 2014 Special Features: Accuracy, hermetically sealed, small size The Radiator Neck Filling Kit 16502-21020 is designed for performance and.Constructed from ABS plastic, it features a sealed design to a secure, leak-free fit.Its compact size and precise engineering allow for integration into the cooling system.This kit is compatible with Probox models including XP50, XP160, and restyled versions up to 2014, as well as Succeed models in the same series.It fits 1 generation vehicles equipped with the 1NZFE 1.5L engine from 2002 to 2014, offering broad applicability across multiple variants.Engineered to meet OEM specifications with part numbers 16502-21020 and 1650221020, this radiator neck filling kit ensures proper fitment and function.It is built to withstand operating temperatures up to 105℃, supporting consistent performance within the vehicle's cooling system.