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Autolite 4100 Secondary Diaphragm Kit Ford 4100 Motorcraft 4100
This kit replaces both types originally fitted to the Autolite/Motorcraft 4100 series carburettor
Kit consists of Diaphragm, & Rocker Arm [OEM #: C5AZ-9853-A]
Having this rocker arm allows the diaphragm to replace both male and female OEM types.
This is a vacuum diaphragm, not a fuel one, it opens the secondary throttle as the vaccum increases in the primary venturis
Why Choose Gator Carburettor Parts?
Gator carburettor parts are engineered for precision and performance. Our components are trusted by enthusiasts, mechanics, and tuners restoring Carburettor systems across Australia and beyond.
Shipping
We ship Australia-wide via Australia Post, with tracked shipping starting from $10.95. Orders are usually dispatched within 24–48 hours, with most deliveries arriving in 2–3 business days. Rural and remote areas may take up to 5 business days.
International shipping is available, with rates calculated at checkout. Local pickup is available from Echuca, VIC — please call ahead on 03 9989 9921 before visiting.
Returns
Returns and exchanges may be accepted within 30 days of receiving your order, provided items are in saleable condition, include original packaging and proof of purchase. Returns are assessed case by case.
Change-of-mind returns, incorrectly ordered items, clearance items and products damaged through misuse or wear and tear are not returnable. Please contact us before sending back any item, especially for warranty claims.