Carlisle boosted their promotion hopes and dented Tranmere's own bid with a 2-0 win at Prenton Park.
Goals in each half from Danny Graham and Kevin Gall gave Carlisle all three points.
Graham broke the deadlock after just ten minutes to put Carlisle in control.
Gall made sure of the win with Carlisle's second on 67 minutes.
The only sour point of the night for Carlisle was the sending off of Paul Thirlwell for violent conduct seven minutes from time.
The win sees Carlisle go level on points with Tranmere just three points shy of the promotion places.
Click on fixture for full match summary
Tranmere 0-2 Carlisle