It was Scarlets’ fifth victory of the season with wing Tomi Lewis scoring two tries.
The Scarlets have signed 20-year-old Ellis Mee from Championship outfit Nottingham ahead of next season.
Gareth Davies ran in two of Scarlets’ four tries as they picked up a fourth win of the season with a 32-18 bonus-point victory over Zebre Parma at Stadio Sergio Lanfranchi.
Ulster ran in four second-half tries to give their BKT United Rugby Championship play-off hopes a major boost with a 31-20 bonus-point victory at Scarlets.
Werner Kok scored a hat-trick of tries to help the Sharks to just a fourth United Rugby Championship victory of the season as they beat the Scarlets 32-27 in Llanelli.
Scotland wing Kyle Rowe scored a hat-trick of tries as Glasgow climbed into second place in the United Rugby Championship by blowing away ill-disciplined Scarlets 45-3 in Llanelli.
Connacht secured a third BKT United Rugby Championship win in a row as Sean Jansen’s 57th-minute bonus-point try gave them a 26-10 victory over Scarlets in Galway.
Munster lock RG Snyman is set to make his first appearance for the province this season against the Scarlets at the Parc y Scarlets on Friday in the United Rugby Championship.
Leinster’s international-laden team moved to the top of the BKT United Rugby Championship after beating a young Scarlets side 54-5 at the RDS.