'90 - '91 oil temperature gauge sensor - ZR-1 Net Registry Forums

Karl · 10-13-2019

Look like the sensor is no longer available. Main difference seems to be the size.

Earlier years seema to be 1/4" and the latter seems to be bigger....maybe a 3/8".

Anyone know where I can find one?

I got the old one out in about 2 or 3 minutes with a small breaker bar (for swiveling reasons), a few extensions, a deep socket and a swivel end. I got in from an angle near the a/c lines and small coolant lines.

What is the difference between the available coolant temperature sensors? They are available, 1/4" and they measure the temp of a fluid.

Jerry's gaskets does not have it in stock (I sent you a email) and I am in need of one.

Btw the '93 I have has a built motor from a '90 thus the reason for the early model unit.

Anyone have a lead on one?

Thanks.

Karl · 10-15-2019

Looks like a standard 3 prong coolant sensor.

The connection harness is the same for a couple of LS coolant sensors I have found but the mounting flange is a little different and it is not as long a sensor.

A26B · 10-15-2019

Karl,
I shipped one out to you today. It's new. I removed it from a new Oil Filter Housing Assembly.

Karl · 10-15-2019

Quote:

Originally Posted by A26B

Karl,
I shipped one out to you today. It's new. I removed it from a new Oil Filter Housing Assembly.

Thank you very much Jerry!!!

Karl · 10-19-2019

Sensor is in and connected in about 5 minutes.

Pics and tips for anyone who wants to know.

It took more time to get the connector tab on than to secure the sensor.

Job done in under 5 minutes.

-=Jeff=- · 06-21-2020

Now I am in need of one of these, if I want my gauge to work. Any ideas on one somewhere?

Karl · 06-22-2020

Quote:

Originally Posted by -=Jeff=-

Now I am in need of one of these, if I want my gauge to work. Any ideas on one somewhere?

https://www.ebay.com/itm/Corvette-Oi...YAAOSwnxdeWxZS

In all seriousness I think any oil sensor will work as long as it plugs up and fits the thread size.

-=Jeff=- · 06-22-2020

Per Marc...

92-95 will work.. there is a bushing ( fitting) that allows for the smaller size sensor

90-91 1/8 NPT

92-95 1/4 NPT

Karl · 06-22-2020

Odds are any sensor with a 1/8" npt will work in your car. Assuming the harness plug up is the same.

Most of these GM sensor are universal.

You may want to ask Jerry to see if he has an extra around.

FWIW I am using a iat sensor from a 2002 - 2006 Buick Rendezvous. Only difference is it is made of plastic vs metal. I have the sensor in my cold air intake and the original one still in the air horn.

-=Jeff=- · 06-22-2020

Yeah, winter project now, since the car is running.

10-13-2019	#1
Karl Join Date: May 2013 Location: Chicago Posts: 977	'90 - '91 oil temperature gauge sensor Look like the sensor is no longer available. Main difference seems to be the size. Earlier years seema to be 1/4" and the latter seems to be bigger....maybe a 3/8". Anyone know where I can find one? I got the old one out in about 2 or 3 minutes with a small breaker bar (for swiveling reasons), a few extensions, a deep socket and a swivel end. I got in from an angle near the a/c lines and small coolant lines. What is the difference between the available coolant temperature sensors? They are available, 1/4" and they measure the temp of a fluid. Jerry's gaskets does not have it in stock (I sent you a email) and I am in need of one. Btw the '93 I have has a built motor from a '90 thus the reason for the early model unit. Anyone have a lead on one? Thanks. __________________ 1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black Sold 1985 L98 Blue On Blue Sold Last edited by Karl; 10-14-2019 at 01:54 PM.

10-15-2019	#2
Karl Join Date: May 2013 Location: Chicago Posts: 977	Re: '90 - '91 oil temperature gauge sensor Looks like a standard 3 prong coolant sensor. The connection harness is the same for a couple of LS coolant sensors I have found but the mounting flange is a little different and it is not as long a sensor. __________________ 1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black Sold 1985 L98 Blue On Blue Sold Last edited by Karl; 10-15-2019 at 04:49 PM.

10-15-2019	#3
A26B Join Date: Dec 2003 Location: Arcadia,OK Posts: 3,376	Re: '90 - '91 oil temperature gauge sensor Karl, I shipped one out to you today. It's new. I removed it from a new Oil Filter Housing Assembly. __________________ Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 *ZR-1*, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed.

10-19-2019	#5
Karl Join Date: May 2013 Location: Chicago Posts: 977	Re: '90 - '91 oil temperature gauge sensor Sensor is in and connected in about 5 minutes. Pics and tips for anyone who wants to know. It took more time to get the connector tab on than to secure the sensor. Job done in under 5 minutes. __________________ 1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black Sold 1985 L98 Blue On Blue Sold Last edited by Karl; 10-19-2019 at 02:24 PM.

06-21-2020	#6
-=Jeff=- Join Date: Jul 2007 Location: Bartlett, IL Posts: 7,144	Re: '90 - '91 oil temperature gauge sensor Now I am in need of one of these, if I want my gauge to work. Any ideas on one somewhere? __________________ 1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978

06-22-2020	#8
-=Jeff=- Join Date: Jul 2007 Location: Bartlett, IL Posts: 7,144	Re: '90 - '91 oil temperature gauge sensor Per Marc... 92-95 will work.. there is a bushing ( fitting) that allows for the smaller size sensor 90-91 1/8 NPT 92-95 1/4 NPT __________________ 1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 Last edited by -=Jeff=-; 06-22-2020 at 05:05 PM.