UD-3 Gas Cap

The UD-3 flush fuel cap assembly is an unvented cap similar in design to the #5 style cap. The aluminum mounting ring has a 2" dia. opening and an overall dia. of 3-3/4 inch. It may be riveted, bolted or molded to the tank. It is currently used on many popular homebuilts such as the RV’s, Lancair, Velocity & White Lightning. Specify flat or contoured adapter.

• 2-5/16" OD on top of cap
• Approx 1-1/2" total height