Heater box part #

[AXXE]

Does anyone know the part # for the heater box on the firewall without A/C?

 

[StuckinCincy]

Re: Heater box part #

I've come across two numbers in the parts catalog
'91 is listed as CASE, orifice & baffle cutoff #3053722
'92-93 is listed as CASE, BLO #52456642

 

[atkonkler]

Re: Heater box part #

What are you trying to accomplish?

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[AXXE]

Re: Heater box part #

It looks like GM discontinued this part. Has anyone purchased one recently from another vendor?