Price of PartsINDUSTRIAL PRICE INDEX
Siemens

6ES5377-0AA21

3 sellers — below our five-seller verification bar

Market snapshot

Prices updated 10 Aug 2026 · next refresh 10 Sep
$139
Low
$461
High
4D Controls — $139PLC-Mall.com — $181vb-steuerungstechnik.de — $4614D Controls4D Controls$139PLC-Mall.comPLC-Mall.com$181 · MEDIANvb-steuerungstechnik.devb-steuerungst…$461

Median $181 · 3 sellers · $42.00 below median at the lowest

$ Compare your quote against 3 current asking prices.

Asking prices for the exact catalog number 6ES5377-0AA21 currently range from $139 to $461 across 3 sellers, observed 10 Aug 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

3 SELLERS · SORTED BY PRICE
SellerPricevs medianListing
4D Controls $139.00-23% View offer
PLC-Mall.com $181.00· View offer
vb-steuerungstechnik.de $461.29+155% View offer

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Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
6ES5377-0AA11one character apart6$142-21%

These are different products that read almost identically on a purchase order. Google groups them together; we do not. Confirm the exact suffix against the nameplate before ordering.

Frequently asked

How much does a 6ES5377-0AA21 cost?

As of 10 Aug 2026, the Siemens 6ES5377-0AA21 is listed from $139 to $461 across 3 sellers. The median asking price is $181. Prices are published seller asking prices and are refreshed monthly.

Who sells the 6ES5377-0AA21?

3 sellers currently list the 6ES5377-0AA21, including 4D Controls, PLC-Mall.com, vb-steuerungstechnik.de. 3 of them are specialist industrial distributors. The lowest current asking price is $139 from 4D Controls.

Why do 6ES5377-0AA21 prices vary so much?

The highest asking price for the 6ES5377-0AA21 is 3.3× the lowest. Industrial parts trade in a market where new surplus, refurbished stock and list-price sellers coexist without a shared price reference, so identical catalog numbers are listed at very different prices.