Wayne Meter 2PM-6-52 Electronic Hi Speed Gallons for Diesel

Meter has one metal (aluminum) gear.

Diesel version includes: Upgraded steel cylinder covers to aluminum cylinder covers, upgraded steel bottom plate to thicker gauge, nickel-plated bottom plate, upgraded cylinder cover, inlet and outlet O-rings from fluroelastomer to Fluorosilicone O-rings, upgraded steel screws to corrosion-resistant stainless steel screws, upgraded installation O-rings to Fluorosilicone.