Walbro Bellows Fuel Pumps

Walbro fixed pressure bellows pump Walbro adjustable pressure bellows pump

Walbro bellows pumps are time-tested, reliable units that offer exceptional versatility for carbureted applications.   One model fits most domestic cars and trucks.   A second number covers most imports.  

Walbro bellows pumps provide reliable, positive fuel flow for easier starting and reduced vapor lock problems.   They are easy to install, and come complete with installation instructions and mounting hardware.

High performance and adjustable pressure bellows pumps are also included in the Walbro lineup, to satisfy special application needs.

In addition to automotive applications, Walbro bellows pumps are used in a variety of fluid delivery systems in industrial, agricultural and other specialized fields.

Part Number Pump Old Part Number MSRP Our Price
2404 6V Standard pressure
[4-6 psi]
flow graph
WEP11
Autopulse 2102
Dupree 802
$83.18
plus shipping
discontinued
2401 12V Standard pressure
[4-6 psi]
flow graph
WEP12 Autopulse 2101
Dupree 801
$83.18
plus shipping
discontinued
Only difference between 2401 and 2402 is the spring.   Make your own 2401 by getting a 2402 and 300-715S (below)
2402 12V Low pressure
[2.5-4 psi]
flow graph
WEP13 Autopulse 2113
Dupree 803
$91.24
plus shipping
$60.00
including US shipping
2402IP 12V Import
[2.5-4 psi]
same pump as 2402, but with mounting kit for most import vehicles
flow graph
WEP42 Autopulse 2240
Dupree 840
$87.74
plus shipping
discontinued
2403 12V adjustable
[1.75-6 psi]
flow graph
WEP38 Autopulse 2138
Dupree 838
$107.82
plus shipping
discontinued
Check out the FR pumps

Pump Rebuild parts

Walbro makes kits to help you rebuild your bellows pump.

You can purchase these parts online by adding them to your shopping cart. Click on "checkout" when you are done.

Part Number Application MSRP Our Price
300-665S
Valve kit
Use with all bellows pumps
$4.31 $2.50
plus shipping
300-714S
Bellows kit
Use with standard pressure pumps
$13.80 $8.75
plus shipping
300-715S Bellows kit
Use with low pressure pumps
n/a discontinued
Use 300-714S and your original pressure spring
300-831S
Points kit
Use with all bellows pumps
$17.20 discontinued
135-631
Adjustable Fuel Pressure Regulator
1 3/4 to 5 psi.   Install between pump and carb or replace regulator on top of 2403 pump.   Comes with two 5/16 hose fittings and clamps.
$68.64 $40
plus shipping


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