Ndabayithethwa Ndlondlo netted a brace, while Monde Mpambaniso and Edgar Manaka weighed in with a goal apiece for a one-sided victory at the Dr Petrus Molemela Stadium.
Gallant's were subsequently paired with Golden Arrows in their semis as Richards Bay were drawn to face Orlando Pirates.
Arrows overcame TS Galaxy 2-1 in their quarter-final clash, while Pirates beat Magesi 2-1, as Richards Bay saw off Durban City 3-1.
All the dates, venues and kick-off times will be announced by the Premier League.
The full semi-final draw:
Golden Arrows vs Marumo Gallants
Richards Bay vs Orlando Pirates
Marumo Gallants coach Alexandre Lafitte believes his side has what it takes to pull off another upset when they face Orlando Pirates in the Carling Knockout final at Peter Mokaba Stadium on December 6.
Golden Arrows coach Manqoba Mngqithi cut a frustrated figure after watching his side crash out of the Carling Knockout semi-finals despite dominating large spells against Marumo Gallants at King Goodwill Zwelithini Stadium on Sunday.
Former Kaizer Chiefs midfielder Kgaogelo Sekgota is embracing a new chapter in his life and career after completing a four-month rehabilitation programme at the Hope of Achievers Rehabilitation Centre outside Polokwane.
Orlando Pirates will enjoy home advantage when they take on Marumo Gallants in the 2025 Carling Knockout Cup final, after the Premier Soccer League (PSL) confirmed the venue and date for the much-anticipated clash.
