| Description | Gap adjust sprocket assembly |
|---|---|
| Additional wording | Gap lead screw and sprocket |
| Platform context | AutoEtch 490/590 |
A mechanical assembly or hardware component used in wafer handling, chamber motion, or tool support structures.
Dimensions, revision, material, wear, and installation location must match the tool to avoid interference or handling faults.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.
No public documents were listed for this part when captured.
Prices and availability may change. Confirm details with the seller.
Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 3, 2026 16:11 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
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Auction listing history. Direct marketplace listings are shown separately.
| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 1 | 785.0000 | 785.0000 | 785.0000000000000000 |
Amounts without an established currency are retained in the history below and excluded from monetary comparisons. Bids, public listing prices and accepted amounts are distinct; no currency conversion is applied.
| Time recorded | Listing | Observation | Public price | Recorded acceptance |
|---|---|---|---|---|
| Mar 2, 2023 10:45 UTC | Lam Research AutoEtch P/N: 853-090221-001 / Gap Adjust Sprocket Assembly / NEW | Completed listing price | 785 (currency not captured) | Not established |
| Nov 10, 2022 07:37 UTC | Lam Research AutoEtch P/N: 853-090221-001 / Gap Adjust Sprocket Assembly / NEW | Completed listing price | 785 (currency not captured) | Not established |
| Nov 5, 2020 01:06 UTC | 18143 LAM RESEARCH ASSY AUTORTCH GAP ADJUST SPROCKET (NEW) 853-090221-001 | Completed listing price | 600 (currency not captured) | Not established |
| Oct 4, 2020 07:08 UTC | Lam Research P/N: 853-090221-001 / AutoEtch Gap Lead Screw & Sprocket / NEW | Completed listing price | 785 (currency not captured) | Not established |
| Dec 21, 2017 05:59 UTC | Lam Research P/N: 853-090221-001 / Assembly AutoEtch 490/590 Gap Adjust Sprocket | Completed listing price | 675 (currency not captured) | Not established |
| Dec 6, 2017 02:46 UTC | Lam Research P/N: 853-090221-001 / Assembly AutoEtch 490/590 Gap Adjust Sprocket | Completed listing price | 675 (currency not captured) | Not established |
| Oct 16, 2017 19:51 UTC | Lam Research P/N: 853-090221-001 / Assembly AutoEtch 490/590 Gap Adjust Sprocket | Completed listing price | 675 (currency not captured) | Not established |
| Oct 4, 2017 22:20 UTC | Lam Research P/N: 853-090221-001 / Assembly AutoEtch 490/590 Gap Adjust Sprocket | Completed listing price | 675 (currency not captured) | Not established |
| Sep 4, 2017 22:19 UTC | Lam Research P/N: 853-090221-001 / Assembly AutoEtch 490/590 Gap Adjust Sprocket | Completed listing price | 675 (currency not captured) | Not established |
| Aug 5, 2017 22:19 UTC | Lam Research P/N: 853-090221-001 / Assembly AutoEtch 490/590 Gap Adjust Sprocket | Completed listing price | 675 (currency not captured) | Not established |
| Jun 12, 2017 04:03 UTC | Semigroup / LAM Research 853-090221-001 490 Sprocket Assy. WE R308-0040 | Completed listing price | 400 (currency not captured) | Not established |
Public listing prices, direct recorded sale prices and recorded accepted Best Offer amounts remain distinct. Quantities are source estimates. No aggregate sales total or average is inferred.
Prices and availability may change. Confirm details with the seller.
Legacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
View on eBayOriginal public listing price is shown separately from recorded accepted amounts.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Acceptance recorded by the source; fulfillment is not verified. Availability has not been rechecked; current availability is unknown. Checked Aug 27, 2026 18:27 UTC.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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