Price of PartsINDUSTRIAL PRICE INDEX
Allen-Bradley

42SMP-7021

6 sellers — below our five-seller verification bar DISCONTINUED

Allen-Bradley lists this part as discontinued. The designated replacement is 42KD-B2LAR1-A2. Remaining stock of the 42SMP-7021 trades on the surplus market below.

Market snapshot

Prices updated 20 Sep 2026 · next refresh 21 Oct
$198
Low
$312
High
eBay — $198eBay - oxidizerpartsandmore — $225eBay - jj*industrial — $275MRO Global Solutions, eBay - industrial_blueline_special — $289DO Supply — $312eBayeBay$198eBay - oxidizerpartsandmoreeBay - oxidize…$225eBay - jj*industrialeBay - jj*indu…$275 · MEDIANMRO Global Solutions, eBay - industrial_blueline_specialMRO Global Sol… +1$289DO SupplyDO Supply$312

Median $282 · 6 sellers · $84.21 below median at the lowest

$ Compare your quote against 6 current asking prices.

Asking prices for the exact catalog number 42SMP-7021 currently range from $198 to $312 across 6 sellers, observed 20 Sep 2026. Distributor product page: santaclarasystems.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

6 SELLERS · SORTED BY PRICE
SellerPricevs medianListing
eBay $197.79-30% View offer
eBay - oxidizerpartsandmore $225.00-20% View offer
eBay - jj*industrial $275.00-2% View offer
MRO Global Solutions $289.00+2% View offer
eBay - industrial_blueline_special $289.00+2% View offer
DO Supply $312.00+11% View offer

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Variants and similar numbers

VERIFY BEFORE ORDERING
Catalog numberRelationshipSellersMedianvs this part
42SMP-7021-QDextends this number2$884+214%
42SMU-7001one character apart2$605+114%

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

Is the 42SMP-7021 still available?

Allen-Bradley lists the 42SMP-7021 as discontinued. 6 sellers still offer remaining or refurbished stock, currently from $198. Allen-Bradley designates 42KD-B2LAR1-A2 as the replacement.

How much does a 42SMP-7021 cost?

As of 20 Sep 2026, the Allen-Bradley 42SMP-7021 is listed from $198 to $312 across 6 sellers. The median asking price is $282. Prices are published seller asking prices and are refreshed monthly.

Who sells the 42SMP-7021?

6 sellers currently list the 42SMP-7021, including eBay, eBay - oxidizerpartsandmore, eBay - jj*industrial. 2 of them are specialist industrial distributors. The lowest current asking price is $198 from eBay.

Why do 42SMP-7021 prices vary so much?

The highest asking price for the 42SMP-7021 is 1.6× 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.