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I'm searching for a 399596 code "MO" alternator belt for my 1970 Cutlass W-31. NOS or REPRODUCTION only. My car was selected for the W-31 invitational at MCACN 2018 and I'm working to make my car as correct as possible. My car is fairly odd because it was not equipped with the HD cooling option which makes this belt somewhat unique. I've tried every source that I can think of for a reproduction belt and I haven't been able to find anyone that makes one. Any leads or advice are welcome. Thanks in advance for your help. PM me or email me at PJBW31@GMAIL.COM
Have also been searching for original style PS & Alt belt for non-AC. Quanta https://www.gastanks.com/GM-FAN-BELTS/departments/254/ has a great reproduction, the part numbers are GM and equivalent, they fit and look perfect. If you're still looking, their numbers are 3953786 (9433741) PS and 3909819 (399596) Alt. I know this post is old but came across during a web search for the part number.
Have also been searching for original style PS & Alt belt for non-AC. Quanta https://www.gastanks.com/GM-FAN-BELTS/departments/254/ has a great reproduction, the part numbers are GM and equivalent, they fit and look perfect. If you're still looking, their numbers are 3953786 (9433741) PS and 3909819 (399596) Alt. I know this post is old but came across during a web search for the part number.
Those are pics of a '70 Rallye 350; W-31 was not available with power brakes to the best of my knowledge.
