I just bought an ACDelco Coolant Temp Sensor for an '89 L98 and the part number is 12146312. Is this the correct part? Reason I ask is that the parts guy said it was for a 5.0 liter TPI but I have a 5.7. They don't return electrical parts eighter if they were installed.

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1989 Iroc-Z L98 Original engine-58K miles!!

SLP 1 3/4 SS headers, Hooker Areochamber catback, no cat, BBK AFPR, 3.8L Turbo V6 200* fan switch, MSD GM coil, ported and gasket matched plenum, TB coolant bypass, relocated MAT sensor, screenless MAF sensor, K&N filters, Accel cap and rotor, Taylor SpiroPro 8mm wires, Bosch Platinum plugs, Mobil 1 oil, and more to come...
Best ET not corrected- 14.24@96.76MPH / 2.17 60ft on street tires with the crappy B/W 2.77 gears.

Homepage currently under construction: http://www.iit.edu/~wicktho/len

 

Do you mean the sensor that goes into the front of the intake manifold?

I bought part #25036979 from the dealer and it works fine for me.

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1989 IROC-Z 5.7L

 

Yeah its the one from the front of the manifold. It only cost me $9 but the one you said you bought cost $20. Thats all the info I got.......

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1989 Iroc-Z L98 Original engine-58K miles!!

SLP 1 3/4 SS headers, Hooker Areochamber catback, no cat, BBK AFPR, 3.8L Turbo V6 200* fan switch, MSD GM coil, ported and gasket matched plenum, TB coolant bypass, relocated MAT sensor, screenless MAF sensor, K&N filters, Accel cap and rotor, Taylor SpiroPro 8mm wires, Bosch Platinum plugs, Mobil 1 oil, and more to come...
Best ET not corrected- 14.24@96.76MPH / 2.17 60ft on street tires with the crappy B/W 2.77 gears.

Homepage currently under construction: http://www.iit.edu/~wicktho/len