Top 10 Best 3 8 primer bulb marine in 2026

Last Updated - 6/16/2026

🏆Best Choice

BestCosy

Fuel Pump Fuel Line Hand Primer Bulb 10mm 3/8‘’ inch Rubber fit for Car/Boat/Marine/Motorcycle

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【Portable Electric Pump】:This transfer pump With a battery-powered design, this gas siphon pump is perfect for on-the-go fuel transfer. Our fuel transfer pump is a great investment for any DIY mechanic or outdoor enthusiast.
•【Battery Powered Water Pump】: Liquid transfer pump features a battery-operated, making it convenient and practical for outdoor activities or emergency situations , ideal if power is unavailable. Requires 2 D Cell batteries or 6 AA batteries(not included).
•【Powerful Suction Performance & Efficiently Transfer】: Fluid transfer pump with a 1/2 inch discharge tube, 24 inches long, Impeller is used to increase suction power, making transferring liquids a breeze. Is capable of pumping 2.6 gpm and over 1000 gallons on a single set of batteries.
•【Versatile Use】:Transfer pump is widely used transfer water ,gas, light oil, kerosene, diesel and more, Suction Tube Length of 16 inch fits 3 to 5 gallon gas cans, Jerrycans, Pail Buckets etc.（Corrosive liquids cannot be transported）
•【Quality Guarantee and Sincerely At Your Service】Electric water pump is made of high-quality materials, non-toxic, tasteless, easy to use, corrosion-resistant and durable. Please feel free to contact us if you have any questions. We are committed to the satisfaction of all our customers and hope that every customer can feel our sincerity.

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$5.08

$5.98

-15%

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JRL

JRL Fuel Pump Fuel Line Hand Primer Bulb 10mm 3/8‘’ inch Rubber fit for Car/Boat/Marine/Motorcycle 9001080A

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Manufacturer Part Number: 9001080A 50073805 73805 universal fuel line Suitable for Carburettor and low pressure fuel systems
•Package include:1x fuel primer bulb(Rubber) Gasoline Petrol Diesel Pump Black
•Interface Size: 10mm
•Input and Output connections: for 10mm and 11 mm both all can use
•Length (overall): 150mm

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$6.29

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Automotive-leader

Automotive-leader 10mm 3/8" Black Bulb Type Rubber Fuel Transfer Vacuum Fuel Line Hand Primer Gasoline Petrol Diesel Pump Bulb for Marine Boat Accessories

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•【Warranty】12 months. (100% Brand New High Quality Aftermarket Pump Primer Bulb)
•【Product Size】10 mm (Diameter) 3/8 (Length: About 8 cm / 3.2" ; Width: About 3 /1.2")
•【100% Qualified Materials】High quality ,Light weight aluminum alloy material and rubber for extended service life
•【Application】Automotive leader 10mm 3/8” black bulb Often used for outboard or inboard engines. And for fuel supply to the out-board engine.
•【Features】Suitable for vehicles without ESP start-up, using 1 or 2 tank systems to transport vegetable oil, natural gas, and gasoline. with a one way valve installed to help quickly prime the fuel system.

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$7.27

$7.99

-9%

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attwood

Attwood 93038LP7 High-Output Primer Bulb, EPA and CARB Certified - 3/8-Inch

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•ATTWOOD 93038LP7, ATT93038LP7

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$20.95

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H-veenjor

H-veenjor 3/8" Boat Primer Bulb Marine for Outboard Motor Universal Fuel Line Hand Primer Bulb Manual Black Rubber Fuel Transfer Vacuum Pump for Gas, Gasoline,Diesel, Water

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Input and Output Connections: Fit 10 mm or 11 mm fuel lines.
•Wide Compatibility: This marine primer bulb works with most carburetors and low-pressure fuel systems, making it ideal for boats, cars, motorcycles, trucks, and helicopters etc. It’s compatible with both outboard and inboard engines, as well as vehicles without anti-theft filter nets.
•Reliable Materials: Constructed from high-grade rubber and aluminum alloy, the fuel primer bulb resists wear and prevents leaks, ensuring long-lasting performance and dependable fuel priming.
•User-Friendly Design: The portable boat fuel bulb features a directional arrow for easy installation, helping you quickly identify the inflow and outflow. The reinforced metal springs on the hose connectors add extra durability and prevent leaks.
•Customer Satisfaction Guaranteed: You can trust our premium fuel line hand primer bulb. H-veenjor is committed to providing exceptional customer support. If you have any questions, don’t hesitate to contact us.

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$5.79

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attwood

Attwood 93038AI7 Primer Bulb for 3.8 inch ID Fuel Line - Not for use in The U.S.A

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Fuel line primer bulb is alcohol resistant and suitable for use with leaded or non-leaded fuels. (NOT FOR USE in U.S.A)
•Double check valve assures correct fuel flow direction and unrestricted flow.
•Barb end fuel hose connectors included and attached with stainless steel hose clamps.
•Easy to replace old primer bulbs with common tools. Hose clamps for fuel line on barb connectors required.
•Check primer bulb and fuel line periodically for leaks, wear or loss of flexibility. Replace as needed.

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$8.51

$9.64

-12%

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Generic

Moeller Marine Primer Bulb with Dual 3/8" Check Valves

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Passes all 2011 Emission Standards implemented by both the EPA and CARB
•Gasoline, ethanol, and solvent resistant construction
•Maximum flow for improved engine performance
•Dual internal check valves to ensure a more rapid prime while preventing fuel flow back
•Stainless steel Oetiker clamps

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$14.99

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Sierra

SIERRA INTERNATIONAL 18-8005EP-1 Primer Bulb - 3/8"

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Primer bulb for 3/8" hose
•large capacity bulb
•Replaces 174512
•Double check valves with viton balls and stainless steel springs
•Bulbs are molded in house

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$31.60

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Moeller

Moeller Marine 034590-10LP EPA/CARB Compliant Primer Bulb - 3/8" Barb

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Passes all 2011 Emission Standards implemented by both the EPA and CARB
•Gasoline, ethanol, and solvent resistant construction
•Maximum flow for improved engine performance
•Dual internal check valves to ensure a more rapid prime while preventing fuel flow back
•Stainless steel Oetiker clamps

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$37.98

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Heurofosh

HeuroFosh 3/8 Inch Marine Fuel Line with Primer Bulb Compatible with Yamaha Outboard RVs Tractors Caravans Boats 10mm Fuel Hose

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Universal Fuel Line 3/8" 10mm with 6.56 FT （200cm） hose，3.28 FT per side
•This marine fuel line assembly with dual check valves and triple sealing protection, it ensures reliable priming in various orientations without restricting fuel flow. The robust design prevents leaks
•Universal fuel line fit for marine outboards, boat tanks, RVs, tractors and taravans
•Made with flexible rubber material, that has the advantages of anti-aging, anti hardening and avoiding fuel evaporation
•Note: This is rubber product, please do not store this item under direct sunlight or other rough environment

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$24.99

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