Price of PartsINDUSTRIAL PRICE INDEX
Siemens

6ES5-421-8MA12

Limited data — single seller

Market snapshot

Prices updated 9 Oct 2026 · next refresh 9 Nov
$19.01
Low
$139
High
Bullseye Industrial Sales — $19.01SB Industrial Supply, Equipt — $40.00Radwell.com — $55.64www.SterlingServices.com — $75.00AeliyaMarineTech.com — $82.76Seamatic Surplus — $99.00PLC Source — $1014D Controls — $139Bullseye Industrial SalesBullseye Indus…$19.01SB Industrial Supply, EquiptSB Industrial … +1$40.00Radwell.comRadwell.com$55.64www.SterlingServices.comwww.SterlingSe…$75.00 · MEDIANAeliyaMarineTech.comAeliyaMarineTe…$82.76Seamatic SurplusSeamatic Surpl…$99.00PLC SourcePLC Source$1014D Controls4D Controls$139

Median $75.00 · 9 sellers · $55.99 below median at the lowest

$ Compare your quote against 9 current asking prices.

Asking prices for the exact catalog number 6ES5-421-8MA12 currently range from $19.01 to $139 across 9 sellers, observed 9 Oct 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

9 SELLERS · SORTED BY PRICE
SellerConditionPricevs medianListing
Bullseye Industrial Salesnot stated $19.01-75% View offer
SB Industrial Supplynot stated $40.00-47% View offer
Equiptnot stated $40.00-47% View offer
Radwell.comUSED / REFURB $55.64-26% View offer
www.SterlingServices.comnot stated $75.00· View offer
AeliyaMarineTech.comnot stated $82.76+10% View offer
Seamatic SurplusUSED / REFURB $99.00+32% View offer
PLC Sourcenot stated $101.48+35% View offer
4D ControlsUSED / REFURB $139.00+85% View offer

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Condition

AS STATED BY SELLERS
Used / refurbished3
Not stated6

Most industrial listings do not state condition — treat unstated as unknown, not as new. Across 864 comparable parts across the index, used and refurbished units are listed at a median 85% of the new price. These are asking prices, not sold prices, and the spread around that median is wide. Ask the seller to state condition in writing before comparing quotes.

Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
6ES5-421-8MA11one character apart3$109+45%

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 6ES5-421-8MA12 cost?

As of 9 Oct 2026, the Siemens 6ES5-421-8MA12 is listed from $19.01 to $139 across 9 sellers. The median asking price is $75.00. Prices are published seller asking prices and are refreshed monthly.

Who sells the 6ES5-421-8MA12?

9 sellers currently list the 6ES5-421-8MA12, including Bullseye Industrial Sales, SB Industrial Supply, Equipt. 9 of them are specialist industrial distributors. The lowest current asking price is $19.01 from Bullseye Industrial Sales.

Why do 6ES5-421-8MA12 prices vary so much?

The highest asking price for the 6ES5-421-8MA12 is 7.3× 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.