Price of PartsINDUSTRIAL PRICE INDEX
Siemens

6ES5-421-8MA12

Limited data — single seller

Market snapshot

Prices updated 20 Sep 2026 · next refresh 21 Oct
$11.99
Low
$101
High
4D Controls — $11.99kjcontracting.net — $19.00JA Jordan Anwar EST. — $32.00iGAM Industrial Marketplace — $35.00SB Industrial Supply, Equipt — $40.00Radwell.com — $51.45Axxa Automation — $79.92Aeliya Marine — $86.99PLC Source — $1014D Controls4D Controls$11.99kjcontracting.netkjcontracting.…$19.00JA Jordan Anwar EST.JA Jordan Anwa…$32.00iGAM Industrial MarketplaceiGAM Industria…$35.00SB Industrial Supply, EquiptSB Industrial … +1$40.00 · MEDIANRadwell.comRadwell.com$51.45Axxa AutomationAxxa Automation$79.92Aeliya MarineAeliya Marine$86.99PLC SourcePLC Source$101

Median $40.00 · 10 sellers · $28.01 below median at the lowest

$ Compare your quote against 10 current asking prices.

Asking prices for the exact catalog number 6ES5-421-8MA12 currently range from $11.99 to $101 across 10 sellers, observed 20 Sep 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

10 SELLERS · SORTED BY PRICE
SellerConditionPricevs medianListing
4D ControlsUSED / REFURB $11.99-70% View offer
kjcontracting.netnot stated $19.00-52% View offer
JA Jordan Anwar EST.not stated $32.00-20% View offer
iGAM Industrial Marketplacenot stated $35.00-12% View offer
SB Industrial Supplynot stated $40.00· View offer
Equiptnot stated $40.00· View offer
Radwell.comnot stated $51.45+29% View offer
Axxa Automationnot stated $79.92+100% View offer
Aeliya Marinenot stated $86.99+117% View offer
PLC Sourcenot stated $101.48+154% View offer

Get quotes for this part

We forward your request to sellers who currently list the 6ES5-421-8MA12 at or below the market median. They quote you directly — we never see your pricing and take no commission.

Free. No account. Your details go only to sellers of this exact catalog number.

Price watch

FREE · MONTHLY

Get an email when the market for the 6ES5-421-8MA12 moves: sellers appearing or disappearing, or the median shifting. One email per monthly refresh, and only when something changed. Unsubscribe any time.

Condition

AS STATED BY SELLERS
Used / refurbished1
Not stated9

Most industrial listings do not state condition — treat unstated as unknown, not as new. Across 666 comparable parts across the index, used and refurbished units are listed at a median 83% 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$169+322%

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 20 Sep 2026, the Siemens 6ES5-421-8MA12 is listed from $11.99 to $101 across 10 sellers. The median asking price is $40.00. Prices are published seller asking prices and are refreshed monthly.

Who sells the 6ES5-421-8MA12?

10 sellers currently list the 6ES5-421-8MA12, including 4D Controls, kjcontracting.net, JA Jordan Anwar EST.. 10 of them are specialist industrial distributors. The lowest current asking price is $11.99 from 4D Controls.

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

The highest asking price for the 6ES5-421-8MA12 is 8.5× 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.