This is a genuine Alternator 90-01-4329 Delco Remy 34SI 12V 135A fits Md Hd Truck from our surplus inventory of heavy-equipment parts in San Antonio, Texas. It is unused new old stock (NOS) — original OEM manufacture, not aftermarket reproduction.
Machine fitment: MD/HD Truck CUMMINS/CATERPILLAR
Verify fitment with your machine's serial number before ordering — we're happy to help cross-reference. Call (210) 942-3553 or send a quote request with your model and serial number.
We ship nationwide and to US freight forwarders for export buyers. Volume and fleet inquiries welcome.