This Volvo Transmission Cooler Line Release Hand Tools will save you time and tie straps. They are replacement for OEM 85108827and 85108826. Used on 15mm and 18mm Europower Fittings that are seen on Volvo trucks. These tool set are a heavy duty aftermarket product reliable and precise. This Volvo Transmission Cooler Line Release Hand Tools will save you time and tie straps. Use on Models VHD VN VT Function Group 49.