1990-1995 ZR-1 AC Condensers

[XfireZ51]

Does anyone know if there is a difference between AC condensers for 1990-93 v 94/95 condensers? Some places show same part # while others do not.
Picked one up from AZ and hose alignments are off and oil cooler mounting is missing.

[WVZR-1]

Originally Posted by XfireZ51

Does anyone know if there is a difference between AC condensers for 1990-93 v 94/95 condensers? Some places show same part # while others do not.
Picked one up from AZ and hose alignments are off and oil cooler mounting is missing.

very different - thread specifications would verify maybe what you received.

Brand and part #?

Best of recollection maybe R12 fittings remained SAE thread spec and R134 was the first GM Metric thread spec. A quick check would be if a '94 or '95 owner checked the 'nut' to condenser and see if it has a 'notch' on the hex. That would indicate Metric. I'm quite sure earlier didn't have the notch.

I have the thread specs I'm quite sure in a document not on this computer. A note in this link hints I could be correct.

https://coldhose.com/fittings/metric.html

*** If I'm correct a 'screw pitch gauge' would confirm what's in your hand.

[XfireZ51]

The AZ condenser is part# 7-4306. It says it fits a 92 C4 ZR-1 as well as a C4 and the brand is Spectra.
The 94 part# is 7-4557. Same here for both ZR-1 and C4.
Pictures show mounting holes for oil cooler but the part came without any of that.

https://www.autozone.com/cooling-hea...nser/52697_0_0

[WVZR-1]

Originally Posted by XfireZ51

The AZ condenser is part# 7-4306. It says it fits a 92 C4 ZR-1 as well as a C4 and the brand is Spectra.
The 94 part# is 7-4557. Same here for both ZR-1 and C4.
Pictures show mounting holes for oil cooler but the part came without any of that.

https://www.autozone.com/cooling-hea...nser/52697_0_0

I use some different ID information and I don't see the 7-4306 having the bracketry for the cooler. AZ might use some random/older images and 'maybe' years ago the condenser did have the bracketry. A side by side and screw pitch gauge I'd think wise for confirmation.

[XfireZ51]

Originally Posted by WVZR-1

I use some different ID information and I don't see the 7-4306 having the bracketry for the cooler. AZ might use some random/older images and 'maybe' years ago the condenser did have the bracketry. A side by side and screw pitch gauge I'd think wise for confirmation.

Side by side, the OEM v the Spectra are different. The hose connections are at differing angles as a start along with no provision for cooler mounting.

[-=Jeff=-]

Maybe they sent you an 89-older version by mistake, that would explain the differences..
post a pic of the 2?

[XfireZ51]

Originally Posted by -=Jeff=-

Maybe they sent you an 89-older version by mistake, that would explain the differences..
post a pic of the 2?

The AZ condenser is physically somewhat smaller than the OEM. The hose connections are lower and the bottom connection goes off at the wrong angle.
The top connection can work, but the bottom one will not without bending the tube somehow. I have Jason at V2V looking for a good condenser.

[-=Jeff=-]

what is the AZ PN.. I bet that is an 89 part

[XfireZ51]

Jeff,

Look at my #3 post.

[-=Jeff=-]

Which AZ PN did you use:

7-4306 or 7-4020?

Ecklers shows it:

https://www.ecklerscorvette.com/corv...1990-1993.html