Here we have an universal access door to be used for fuel fill or other uses. The body is made of 18 gauge stainless steel and has a brass 'coin slot' latch.
Stainless Steel Fuel Access Door - 6" x 6" -Low Profile-Flush Mount - AD-44
Universal 1.5" Stainless Steel Fuel Filler Neck With Stainless Flip Top Cap
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Durable Stainless Steel Fuel Injector for Polaris Ranger & RZR Models, 1 Count