Perko DECK CAP DIESEL Md.#1270DPD99A: Chrome-plated zinc alloy. Black plastic cap. Includes: #1248 deck Plate key, O-Ring & integral retainer on cap. Caps have slot between holes. Hose: 1-1/2''. Flange OD: 3-1/2". Neck: 2-1/2".

Item as shown but has 'Diesel' spelled out on it