Walbro Bellows Fuel Pumps
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 |
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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 | $11.00 plus shipping |
| 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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