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maximum Crossbar Dimensions For MOS UpLift Roof Rack Lift Assist w/ Cargo Box MR79ZV  

Updated 01/05/2026 | Published 09/25/2024

Question:

What are the maximum crossbar dimensions for this part MR79ZV

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Expert Reply:

The MOS UpLift Roof Rack Lift Assist w/ Cargo Box - Universal # MR79ZV will fit crossbars up to 3-1/2" wide and 1-1/2" tall. It will work with virtually any crossbar shape so aero, square, round and most factory crossbars are compatible as long as they do not exceed the max crossbar dimensions.

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Jesse M
Jesse M. profile picture
Etrailer Expert

Jesse M.

1/5/2026

Hey, how did the MOS UpLift roof rack lift assist work with your crossbars? Knowing how the fit turned out could help others checking their bar sizes too.

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