Just installed my Sutton oil cooler for New Mexico hot summers. It comes in all black or natural aluminum. Painted the tank black and left the fins au natural. Pretty happy! :
Honda XR400 Oil Cooler pic's | KTM ATV HQ Forums
Honda 15600-KCY-671 - OIL COOLER | Partzilla.com
Amazon.com: NICECNC Black Oil Cooler Compatible with Honda XR650L 1993-2023 2022 2020 2021 2019 2018 2017 : Automotive
COOLER COMP,OIL for XR400R 2002 (2) USA - order at CMSNL
xr650l oil cooler review - Chin on the Tank – Motorcycle stuff in Philadelphia.