Jabsco Engine Cooling Pumps are constructed with all bronze body, bearing housing and stainless steel shaft to withstand harsh marine environments. They can directly replace the Sherwood models G-30-2 on current Chris-Craft production engines. They may also fit some models of Volvo, Escort, Pleasurecraft and Datsun engines.SpecificationsPump size: 40Mount type: FlangeBearing type: Sealed ballPort type: Hose barbPort size: 1″ (25 mm)Pulley “A” size belt: 6 1/2″ (16.5 cm)Weight: 7 lb (3.2 kg)Engine application: Nisson LDM 4 cylinderMaterials of ConstructionBody material: BronzeImpeller material: NeopreneShaft material: Stainless steelShaft seal material: Carbon ceramic face typeService Kits and Common PartsGasket/O-Ring – 18753-0005Impeller – 3085-0001Water Seal – 96080-0080End Cover Screws – 18753-0010Technical FileDatasheet .input-wrapper a { text-decoration: none; / Removes underline / background-color: transparent; / Ensures no background color / } .input-wrapper a:hover { text-decoration: underline; / Adds underline on hover / background-color: transparent !important; / Removes grey highlight / }