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)Weight: 5 lb (2.26 kg)Sherwood model: G-30-2Engine application: Chris Craft engines (305, 327 and 350 C.I.)Materials of ConstructionBody material: BronzeImpeller material: NeopreneShaft material: Stainless steelShaft seal material: Carbon-Ceramic face typeService Kits and Common PartsService Kit – J90180-0001Gasket/O-Ring – J18753-0005Impeller – J1210-0001Water Seal – J96080-0080End Cover Screws – J18753-0001Technical 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 / }