SMC

SYLVANIA-21877

Limited data — single seller

Market snapshot

Prices updated 9 Oct 2026 · next refresh 9 Nov

$12.73

Low

$38.86

High

Median $25.80 · 2 sellers · $13.07 below median at the lowest

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$ Compare your quote against 2 current asking prices.

Asking prices for the exact catalog number SYLVANIA-21877 currently range from $12.73 to $38.86 across 2 sellers, observed 9 Oct 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.

Current listings

2 SELLERS · SORTED BY PRICE

Seller	Price	vs median	Listing
ADLSupply.com	$12.73	-51%	View offer
Interlight	$38.86	+51%	View offer

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Variants and similar numbers

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Catalog number	Relationship	Sellers	Median	vs this part
SYLVANIA-24477	one character apart	2	$158	+513%
SYLVANIA-21878	one character apart	2	$280	+986%
SYLVANIA-21671	one character apart	2	$288	+1015%

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 SYLVANIA-21877 cost?

As of 9 Oct 2026, the SMC SYLVANIA-21877 is listed from $12.73 to $38.86 across 2 sellers. The median asking price is $25.80. Prices are published seller asking prices and are refreshed monthly.

Who sells the SYLVANIA-21877?

2 sellers currently list the SYLVANIA-21877, including ADLSupply.com, Interlight. 2 of them are specialist industrial distributors. The lowest current asking price is $12.73 from ADLSupply.com.

Why do SYLVANIA-21877 prices vary so much?

The highest asking price for the SYLVANIA-21877 is 3.1× 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.