Truck Upfitters®Parts for truck caps, tonneaus & RVs
12.2″ gas props, 40 lbs (pair)

12.2″ gas props, 40 lbs (pair)

Extended 12.2″Compressed 7.5″40 lbs each10 mm ends

A pair of Truck Upfitters gas props, 12.2″ extended and 7.5″ compressed, rated 40 lbs (178 N) each. Fits A.R.E., Snugtop and Leer camper doors; aluminum Weatherguard toolboxes.

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Extended length12.2″ (center to center)
Compressed length7.5″
Stroke4.7″
Force per prop40 lbs (178 N)
End fittings10 mm ball socket
QuantityPair (2 props) with ball mounts
FitsA.R.E., Snugtop and Leer camper doors; aluminum Weatherguard toolboxes
Part number122075-40-10

Make sure it fits

  1. Measure your old prop fully extended, center of socket to center of socket. It should be within about ¼″ of 12.2″.
  2. Check the force printed on the old cylinder and compare it to 40 lbs (178 N).
  3. Install rod-down and replace both props at once.

Full sizing guide · Installation steps

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