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Aftermarket Replacement for
Part Number: S4739
S&S Newstar S-4739 Back Up Lamp Switch
This item is NOT eligible for returns or cancellations
- 1/8 inch NPT threads
PSI: 25-30, 24 Volt
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Reviewed by 1 customer
Back-up alarm switch
Was experiencing back-up alarm and lights coming on intermittently on my Allison MT643 equipped truck while transmission was in drive gear. This pressure switch solved the problem.The switch was an exact match for the original and fixed the problem instantly.
Submitted July, 2021
By Jim
From Auburn, CA
Verified Buyer
By Jim
From Auburn, CA
Verified Buyer