With Corus losing 22-13 at Pontyberem, Dunvant took full advantage to record a 43-16 win over Quins, with left winger Mitchell Ford and flanker Rory Gallagher each scoring two tries.
Tonmawr recorded the biggest win of the day, belting Seven Sisters 57-5 on the back of a hat-trick of tries from winger Martin Morgan. Centre Ken Morris grabbed a couple and outside-half Austin Howells kicked seven conversions and a penalty goal for a personal haul of 17 points.
Loughor and Kidwelly fought out an entertaining 27-all draw, with Loughor winger Ian Wright snatching a share of the points with a late try. Mumbles are still looking for their first win after a frustrating 21-18 loss at home to Carmarthen Athletic, but Banwen are finally on the board with a 20-16 victory at Gorseinon, who slip a couple of places in the table.
In Division 3 West, Trimsaran and Penclawdd continue their battle at the top of the table after both sides recorded big wins on Saturday.
Trimsaran fullback Thomas Bollell (four) and right winger Mark Davis (three) helped themselves to tries in a 71-12 thumping of bottom-placed Hendy, while Penclawdd ran out 47-20 winners at Pembroke Dock Quins. Tumble's impressive 30-3 win over Lampeter was their first victory of the season.
Pontarddulais have stretched their lead to five points in Division 4 West after the match between nearest rivals Neyland and Llandeilo was postponed. Pontarddulais beat Milford 34-14, with braces of tries to outside-half Jonathan Lloyd and backrower Nic Walters.
In Division 5 West, Llanybydder winger Ken Payne helped himself to a hat-trick as the leaders trounced cellar dwellers St Davids 56-0, while second-placed Burry Port beat Aberaeron 22-9 thanks to three tries from scrum-half Rhodri Morris.
Whenever Bedlinog tackle Penallta a massive fixure is guaranteed but this Sunday there will be even more emphasis placed on the two rivals when they contest the SSE Swalec Plate final at Principality Stadium.
Ahead of their SSE SWALEC Bowl Final clash with Taffs Well at Principality Stadium on Sunday, Burry Port share their #FABXV nomination with WRUTV in the search for Welsh rugby's greatest volunteers. Everyone can get involved by sending nominations via twitter to @WRU_Community using the hashtag #FABXV
Cardiff Blues prop Gethin Jenkins and Ospreys centre Ben John look ahead to the first game at Principality Stadium in Saturday's double header which is promising to be a special occasion for all Welsh fans.
Carmarthen Quins Director of Rugby Ian Jones and committee member Jeff Thomas along with Llandovery chairman Handel Davies look ahead to Sunday's SSE SWALEC Cup showdown where both teams are out to prove 'West is best'
SWALEC ambassador Shane WIlliams is looking forward to Sunday's Finals Day where the Cup, Bowl and Plate offers a great opportunity for players and teams to experience the magic of playing at Principality Stadium
Carmarthen Quins coach Richard Kelly believes it is an exciting time to be part of the Scarlets region as his side take on local rivals Llandovery in the SSE Swalec Cup final on Sunday, as WRU TV's Graeme Gillespie discovers