Part 204-21A
Alcor · 7 listings from 3 suppliers (BAS Part Sales, Precision Aviation Group, Texas Air Salvage) · $30.00 – $225.00. Prices refresh weekly.
from $30
from $75
Cross references
Supplier data links this part number to: C6685320101
Price trend · weekly low by condition
| Week | Condition | Listings | Low | Avg |
|---|---|---|---|---|
| 2026-W35 | used | 3 | $75 | $142 |
| 2026-W35 | core | 3 | $30 | $30 |
Price spread · 6 priced listings
$30
$52
$225
Each dot is one listing (hover for supplier & condition); color = condition.
Price by condition · median
BAS Part Sales
204-21A Alcor Dual Exhaust Gas Temperature Indicator (CORE) (Damaged)
Alcor
core
BAS Part Sales
204-21A Alcor Dual Exhaust Gas Temperature Indicator (CORE) (INOP)
Alcor
core
BAS Part Sales
204-21A Alcor Exhaust Gas Temperature Indicator (Core)
Alcor
core
BAS Part Sales
204-21A (Alt: C668532-0101) Alcor Aviation Dual Exhaust Gas Temperature Gauge
alt: C668532-0101
Alcor
used
BAS Part Sales
204-21A Alcor Dual Exhaust Gas Temperature Indicator
Alcor
used
Texas Air Salvage
204-21A Alcor Inc - EGT INDICATOR
alt: C668532-0101
Avionics Indicators From a: 1970 Cessna 310Q
used
🔩
Precision Aviation Group
204-21A 204-21A – EGT INDICATOR (MRO capability)
PAG
