Sierra Water Pump Impeller - Mercury/ Mariner - S18-3017Sierra Water Pump Impeller Mercury Mariner S18 3017 Replacement impeller manufactured to OEM specifications. Part Number SRA S18 3017

Advanced corrosion inhibitors outperform FC-W standards

Weight: - 2

Please Note:When purchasing for non-Menace life jackets

Complete anchoring package

Extracts up to 900 cubic feet of air per hour in bright sunlight conditions

Won't support flame

Non-Acid Barnacle Growth

2 x rubber finger cots

4 m Fully detachable UV stable white fibreglass whip with glass impregnatedNylon ferrule

Replaces OMC 432941

suitable for aluminium boats

when ordered "with stops"