Boat part number 1040680 is a new Euro Stainless Steel / Black series oil pressure gauge from Faria, part number GP2487A .
This clear halogen illuminated oil pressure gauge features a domed lens, silver colored bezel, black face, white needle, and white graphics. Measures approximately 2 1/4" Dia. across the face (including bezel) x 2 1/4" D overall. Requires an approximate 2" Dia. cutout. Has (3) threaded bolts, and (1) single spade male connection. Mounting bracket included.
Specifications:

• Part Manufacturer: Faria
• Series: Euro Stainless Steel / Black
• Part Number: GP2487A
• Color: Silver / Black
• Overall Dimensions: 2 1/4" Dia. x 2 1/4" D
• Cutout: 2" Dia.
• Connections: (3) threaded bolts, (1) single spade male