Accelerator Pump Cup, 21/32", Double Lip Ethanol Resistant
Accelerator Pump Cup, 21/32", Double Lip Ethanol Resistant
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Accelerator Pump- "Double Lip" Cup, 21/32", Ethanol Resistant
Our Part # [1012]

Quantity1+3+ 10+ 
Price for each$3.25$2.92$2.60
Your savings- 10%20%

Fits:
Rochester 2G, 2GC, 2GE and 2GV carburetors
Rochester 4G carburetors
Rochester Quadrajet carburetors
Carter RBS carburetors

This pump cup is firmer than other cups on the market and holds up better. The other (flimsy/softer) cups sold elsewhere are prone to folding over on themselves and pulling off the accelerator pump plunger.

Cup OD: approx. .675"
ID: approx. .350"
Cup height: .190"

Note: For use with accelerator pump plungers designed to accept the double lip pump cup.

For more information regarding the various styles of Rochester Quadrajet accelerator pump styles review the Accelerator Pump article.  

Instructions when replacing Rochester accelerator pumps:
It is very important that the accelerator pump bore is completely smooth. Today's fuels with ethanol have less lubrication and demand super smooth pump bore surfaces. Polish pump bore with crocus cloth as required. Rough pump bore surfaces will cause pump cup to stick to bore and tear or dislodge from plunger assembly.
Do not allow carburetor cleaner come in contact with pump assembly.
Coat outer edges of pump cup with a light coating of grease, if pump bore is not submerged in fuel.
Long term vehicle storage:
If vehicle is dormant and fuel bowl is allowed to go dry, pump cup has a much higher chance of sticking to pump bore. If bowl has run dry, fill fuel bowl with fuel before pumping accelerator pump assembly.

Additional recommended items:
Replacing the accelerator pump requires the removal of the air horn/bowl cover, it's always a good idea to have an extra set of air horn/bowl cover gaskets on hand to replace a ripped or worn gasket.

Current Reviews: 3
This product was added to our catalog on Saturday 12 February, 2011.
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