Seachoice Primer Bulb, 5/16 In., Fuel - 21321 - 50-21321F1

Designed for the harsh marine environment, this primer bulb quickly replaces air in the fuel line and ensures fast priming and low-restriction of fuel flow to your engine. Low permeation material prevents primer bulb fuel evaporation, saving fuel and money while also protecting air quality. Suitable for use with ethanol blended fuels and features a multi-layer design that resist ballooning and collapsing. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters offering a wide-ranging product line while remaining affordable. Low perm primer bulb replaces air in fuel lines for fast engine priming with fewer strokes to primeIndustry leading vertical fuel draw for priming in any applicationHigh flow double check valvesUV inhibitors ensure lasting durabilityFor use with 5/16 inch inside diameter fuel hoseManufacturer part number 50-21321