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Mallory 29859 Diaphragm Kit Review

1

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Terrible

Revainrating 1 out of 5  
Rating 
1.0
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Description of Mallory 29859 Diaphragm Kit

Fast, easy way to restore the accuracy and performance of fuel pressure regulators. Compatible with 4309 and 4310 Mallory regulators. Perfect for gasoline applications. Effortless to install. Genuine Mallory replacement parts.

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Revainrating 1 out of 5

not compatible with 4309

I bought this to refresh my 4309 pressure regulator The instructions clearly state that it is compatible but it is not clear what to do with the spring on the original install it will at all not mentioned ! I tried to do with a spring and without an additional gasket according to the instructions with a gasket as in the photo. I only have full pressure, no adjustment. Tried the same seal configuration with no spring, same high pressure scenario. tried with additional seal (against the…

Pros
  • automotive
Cons
  • compatibility