Sale!
Attwood Primer Bulb – 5/16″ Inner Diameter Hose [93516LP7]
Original price was: $19.99.$12.20Current price is: $12.20.
Description
Primer Bulb – 5/16″ Inner Diameter Hose
This Atwood Primer Bulb is engineered and constructed to deliver the most reliable priming and long-term leak-free performance. The exclusive three-layer construction prevents collapse under vacuum and prevents ballooning or bursting under pressure. The low-permeation material prevents fuel evaporation, and this bulb delivers 60 percent more output per pump than leading competitors.
Features:
- It is intended for use with a 5/16-inch interior diameter hose
- Exclusive high-efficiency check-valves deliver faster priming and low fuel restriction (less than 1kPa restriction at 50 liters/hour)
- Engineered hose barbs and stainless steel stepless clamps ensure leak-free performance
- This bulb is compatible with Ethanol blended fuels, and it is EPA and CARB certified
Quick Guide (pdf)

![Attwood Universal Fuel Line Kit - 3/8" Dia. x 12 Length w/Sprayless ConnectorsFuel Demand Valve [93812UUSD7]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-universal-fuel-line-kit-3-8-dia-x-12-length-w-sprayless-connectorsfuel-d.webp)
![Attwood Universal Fuel Line Kit - 3/8" Dia. x 6 Length w/Sprayless Connectors [93806UUS7]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-universal-fuel-line-kit-3-8-dia-x-6-length-w-sprayless-connectors-93806u.webp)
![Attwood Primer Bulb - 5/16" Inner Diameter Hose [93516LP7]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-primer-bulb-5-16-inner-diameter-hose-93516lp7.webp)
![Attwood Yamaha Fuel Line Kit – 3/8″ Diameter x 6 Length (No Tank Fitting) [93806YLP7]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-yamaha-fuel-line-kit-3-8-diameter-x-6-length-no-tank-fitting-93806ylp7.webp)
![Attwood Primer Bulb – 1/4″ Inner Diameter Hose [93014LP7]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-primer-bulb-1-4-inner-diameter-hose-93014lp7.webp)
![Attwood Mercury Twist-Lock Male Hose Fitting – Zinc [14532-6]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-mercury-twist-lock-male-hose-fitting-zinc-14532-6.webp)
![Attwood Universal Fuel Line Kit – 3/8″ Dia. x 12 Length w/Sprayless Connectors [93812UUS7]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-universal-fuel-line-kit-3-8-dia-x-12-length-w-sprayless-connectors-93812.webp)
![Attwood Mercury Fuel Line Kit – 3/8″ Diameter x 6 Length (1998Newer) [93806MUS7]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-mercury-fuel-line-kit-3-8-diameter-x-6-length-1998newer-93806mus7.webp)
![Attwood Yamaha Tank Fitting – 1/4″ NPT Thread [8897-6]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-yamaha-tank-fitting-1-4-npt-thread-8897-6.webp)
![Attwood Mercury Twist-Lock Female Tank Fitting – Zinc [14530-6]](https://www.bestwildcamplab.com/wp-content/uploads/2026/09/attwood-mercury-twist-lock-female-tank-fitting-zinc-14530-6.webp)