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What is Diameter of Furrion Windshield Monitor Mount Ball  

Updated 09/22/2025 | Published 09/20/2025

Question:

Can you tell me the diameter of the ball on the fr79sr furion windshield suction mounting plate? I have another question also. Will the 7-in monitor work with the system in place that was originally a 5 inch monitor? My monitor and bracket were stolen and if Im going to have to replace them I thought about replacing the screen with the 7 inch. Thank you so much!

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Expert Reply:

Hey Doreen, the diameter of the ball on the Furrion windshield mount part # FR79SR is .85 inch in diameter. This is the same size mount that the 5 inch monitor fits too. The 7 inch replacement monitor is the part # FR47FR which does fit this mount. Sorry about the theft though! Thieves are the worst!

expert reply by:
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Jameson C
Doreen C. profile picture

Doreen C.

9/22/2025

Thanks for the answer and yes, it's not the worst, they are up there on the high end of the scale! Will I be with the 7-in screen pair with the original 5 inch screen setup? I still have the rear-facing camera in addition to the side cameras. Thank you again! ??

Jameson C. profile picture
Etrailer Expert

Jameson C.

9/22/2025

@DoreenC Yes the same pairing and camera view setup will work with the 7 inch monitor as well as the 5 inch that you have now.

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