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Rebuild Kit for Edelbrock Quadrajets (4021), carb #1903/04/05/06 1Rebuild Kit for Edelbrock Quadrajets (4021), carb #1903/04/05/06 2Rebuild Kit for Edelbrock Quadrajets (4021), carb #1903/04/05/06 3

Quality USA MADE Quadrajet rebuild kit is proper kit for rebuilding Edelbrock Quadrajet carburetors #1903, #1904, #1905, #1906. Contains detailed instructions.

Opened kits are not returnable.

Suggested Parts:
We recommended the following additional items to complement this carburetor rebuild kit:
- Carburetor Float -
(Go to the Quadrajet Floats page  and enter your carburetor number in the red box on the center of the page to identify the correct float for your application)
- 4802 Idle Pickup Tubes -
(We highly recommend that you pull the original Idle Pickup Tubes during your rebuild to ensure carburetor passages are completely clean and idle pickup tube orifices are not blocked)
Click here to view tech article on replacing 4802. 
- 1742/1743 Secondary Metering Well Plugs -
(It's very common for the factory installed well plugs to leak down overnight causing hard/delayed starting, we recommend installing these 0-ringed well plugs and solving the problem)
Click here to view tech article on replacing 1742/1743 Secondary Well Plugs. 
- 3622 Power Piston Retaining Bushing -
Click here to view tech article on preventing bent rods. 

Picture Information:
Picture showing carburetor rebuild kit components is an accurate representation of the style of gaskets you will receive. However, there may be slight differences in materials due to parts availability. These differences will not affect performance of the rebuild kit.

Not sure which rebuild kit is correct for your carburetor?
Use the "Search for your Rebuild Kit" search on the Rebuild Kits main page, just enter in your Quadrajet carburetor number.

Edelbrock Quadrajet carburetors serviced with this rebuild kit:
1903, 1904, 1905, 1906

Not sure where to find your carburetor number? Click here to read article on Carburetor Number Identification. 


Quadrajet Carburetor Rebuild Kit Instructions, Specifications, & How to Information:

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