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Discussion Starter · #1 · (Edited)
A semi-popular mod from years ago was combining the coolant sensor to PCM
with the gauge sender from the passenger side cylinder head. Due to gauge sender's close proximity to exhaust manifold ,and even closer to headers. Sensor part # 10096181 ,and pigtail #12102748....GM installed these on some 3.8 V6's. Found six Buick Le Sabre's at our localPick-N-Pull to go that route ,though sensors are still available new.
 

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Discussion Starter · #3 ·
Eliminates one to the cylinder head. Long as wired properly one could eliminate either.
 
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Discussion Starter · #4 ·
Rock Auto shows this as ACDELCO 213815
 
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