Thanks for being here. This is the aftermarket part but it is as close as the OEM you can get. The installation is similar however. The followings are Amazon Affiliate links for these items.
This is for 144WB:
amzn.to/48oCz9O
This is for 170WB:
amzn.to/42PnXPJ
@bochuonoutdoorsvanbuild
bchuon66@gmail.com
Where I purchase the aluminum extrusion.
www.tnutz.com/aff-id/bchuon66/
bellabays.com/
Also check out these van build items
14Guage Marine wire
amzn.to/46Q8HD1
38.6" LED lightbar
amzn.to/3LWFVby
Renogy 175 watts solar panel
amzn.to/3EVNcEC
Maxxair fan deluxe 7500k
amzn.to/3rwnQKG
42" Curved light bar
amzn.to/3ZEeqsU
7" LED Spotlight
amzn.to/3rGnzVn
14Guage Marine wire
amzn.to/48zgLJJ
Tie wrap mount
amzn.to/3LJgfPA
Tie wrap UV res.
amzn.to/3ZyYBUx
14Guage wire
amzn.to/3ZzXnZ2
12guage Marine wire
amzn.to/48AlHy7
Wire looms
amzn.to/3rB94SP
Victron Energy Multiplus controller
amzn.to/3Ejg0HB
Diesel heater
amzn.to/3RUxGyM
6 gang aluminum rocker switches
amzn.to/3IesylV
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amzn.to/3HNoNCk
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amzn.tamzn.to/3I6JxFg...