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Aftermarket Replacement for
Part Number: A121796
MPPARTS A121796 Back Up Sender Switch
This item is NOT eligible for returns or cancellations

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Reviewed by 1 customer
for the Allison 29503665 backup switch
Item was as described, an electrical switch identical to my old backup switch. It has 18 mnpt thread, pressure switched, approx 20psi. Pin type male connectors. I must have broke the included connector female pins, without even trying, not sure what happened, did not force the connector, and was
Submitted August, 2022
By David
From Galiano Isld, BC
Verified Buyer
By David
From Galiano Isld, BC
Verified Buyer