If I lived in the tundra I wouldn't worry about it too much - but on a hot summer day I would definitely want the fan -

I also went with Sachs fan clutch mine took a dump shortly after I took ownership at 9 years of age yet only 62k miles - (another example of age taking a toll on parts rather than miles)

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards