Part A490-T-DF-28 Avionics

Whelen · 8 listings from 4 suppliers (BAS Part Sales, Precision Aviation Group, Safe Skies Parts, Yingling Aviation) · $268.50 – $475.00. Prices refresh weekly.

from $268
from $475

Price trend · weekly low by condition

WeekConditionListingsLowAvg
2026-W35used 4$475 $475
2026-W35inspected/tested 2$268 $268

Description

Whelen Strobe Light Power Supply 28 volts. P/N A490, TDF-28. STC # SA800EA. This item was recently tested @ 12 volts and found to be in working condition. Removed in good condition from a parted out 1978 Cessna P337H Skymaster N5GY, S/N P3370305. TTAF 4,698.2. Guaranteed to pass inspection or your money back. 30 Day Money Back Guaranteed less shipping costs. It is the buyer's responsibility to determine the parts suitability for installation and airworthiness upon inspection. We are a full service aircraft maintenance shop that sells new aircraft parts from surplus inventory auctions and parts from salvaged airplanes. We try to be as clear as possible in the descriptions of the items we have listed for sale. If you have any question regarding the suitability or condition of a part please let us know and we will have one of our mechanics check it out and give an honest answer as to it's condition. Unless otherwise noted we will ship the majority of our items via UPS. Free shipping is usually USPS. Tracking information will be sent to the E-mail account on file with Paypal, so please make sure your information is up to date. Terms and Conditions: Payment: Please pay within two (2) business days of auction's close. We accept Paypal and all major credit cards. Shipping: We will ship with in one (1) business day of receiving payment. We will gladly ship almost any item worldwide. International buyers, please contact us prior to paying. All buyers from OHIO please add 6.5% sa

Price spread · 6 priced listings

$268
$475
$475
median Safe Skies Parts · $268 · inspected/tested Whelen Strobe Light Power Supply 28v A490 TESTED (0824-155) (click to open at supplier) Safe Skies Parts · $268 · inspected/tested Cessna 337 / P337H Whelen Strobe Light Power Supply P/N A490 TESTED (0724-1228) (click to open at supplier) BAS Part Sales · $475 · used A490-T-DF-28 Wheel Engineering Strobe Light Power Supply (Volts: 28, Amps: 0.85) (click to open at supplier) BAS Part Sales · $475 · used A490-T-DF-28 Whelen Engineering Strobe Light Power Supply (28V) (0.85A) (click to open at supplier) BAS Part Sales · $475 · used A490-T-DF-28 Whelen Strobe Light Power Supply (28V) (Unattached Base) (click to open at supplier) BAS Part Sales · $475 · used A490-T-DF-28 Whelen Strobe Light Power Supply with Mounting Bracket 28V (click to open at supplier) $268 $475

Each dot is one listing (hover for supplier & condition); color = condition.

Price by condition · median

inspected/tested (2) $268
used (4) $475
Whelen Strobe Light Power Supply 28v A490 TESTED (0824-155) Safe Skies Parts
Whelen Strobe Light Power Supply 28v A490 TESTED (0824-155)
Whelen Strobe Light Power Supply 28 volts. P/N A490, TDF-28. STC # SA800EA. This item was recently tested @ 12 volts and found to be in work…
Whelen
inspected/tested
$268.50 view at supplier ↗
Cessna 337 / P337H Whelen Strobe Light Power Supply P/N A490 TESTED (0724-1228) Safe Skies Parts
Cessna 337 / P337H Whelen Strobe Light Power Supply P/N A490 TESTED (0724-1228)
Cessna P337H Whelen Strobe Light Power Supply 28 Volts. P/N A490, T-DF-28. S/N T-28-/16722. This item was recently tested at 28 volts and fo…
Cessna
inspected/tested
$268.50 view at supplier ↗
A490-T-DF-28 Wheel Engineering Strobe Light Power Supply (Volts: 28, Amps: 0.85) BAS Part Sales
A490-T-DF-28 Wheel Engineering Strobe Light Power Supply (Volts: 28, Amps: 0.85)
No Brand
used
$475.00 view at supplier ↗
A490-T-DF-28 Whelen Engineering Strobe Light Power Supply (28V) (0.85A) BAS Part Sales
A490-T-DF-28 Whelen Engineering Strobe Light Power Supply (28V) (0.85A)
Whelen
used
$475.00 view at supplier ↗
A490-T-DF-28 Whelen Strobe Light Power Supply (28V) (Unattached Base) BAS Part Sales
A490-T-DF-28 Whelen Strobe Light Power Supply (28V) (Unattached Base)
Whelen
used
$475.00 view at supplier ↗
A490-T-DF-28 Whelen Strobe Light Power Supply with Mounting Bracket 28V BAS Part Sales
A490-T-DF-28 Whelen Strobe Light Power Supply with Mounting Bracket 28V
Whelen
used
$475.00 view at supplier ↗
🔩 Precision Aviation Group
A490TDF-28 STROBE POWER SUPPLY (3 in stock)
PAG
Ask / RFQ view at supplier ↗
🔩 Yingling Aviation
A490TDF28
SUPPLY POWER PRICE ON REQUEST
new
Ask / RFQ view at supplier ↗