5 out of 5
Customer Reviews
Items 1 - 5 of 5 reviews
1
By
Jason S.
Date: November 17, 2025
They work perfect
Rating: 
[4 of 5 Stars!]
[4 of 5 Stars!]
By
Diesel Daddy
Date: August 25, 2025
Great Couplers. Much better than the automatic ones. Mastercool puts on their gauge sets. Work perfectly. I don't know why these don't come standard with the gauge set
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By
Brandon Lutz
Date: June 30, 2025
Bought this to replace the original high side coupling on my Mastercool 89660-PRO5 set of gauges. Works great.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By
MTS Customer Service
Date: November 18, 2024
This is a very high quality adapter and works great.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By
john gillman
Date: October 16, 2022
Well I've only used it once.it will probally be next summer before I use it again.i bought the high and low side,and they worked very well,and seemed of good quality,which for the price they should. Thanks John Gillman
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
Items 1 - 5 of 5 reviews
1