The KA 33 Avionics Cooling Fan is ideal for avionics equipment concentrated in a stack configuration of three or more. This unit features virtually silent operation with its magnetically commutated fan motor and provides internal source of air for pressurized and non-pressurized aircraft.
- Promotes longevity of avionics by maintaining units under TSO maximums for temperature criteria
- Virtually silent operation via magnetically commutated fan motor
- Requires a minimum of 1-inch of clearance at air intake
- 14-Volt
- 6 ports
- 1-amp circuit breaker required for safe operation
Product Codes | |
|---|---|
| Mfr Part No: | 071-04037-0000 |
| PMA: | PQ1354NM THIS PART IS NOT A CRITICAL COMPONENT |
| SCHEDULE B CODE: | 8414.59.6040 |
Weight: 1.25 lb (0.57 kg)Dimensions: 5.275 x 6.90 x 4.013 in (134 x 175 x 102 mm)Airflow: Total of 27 ±0.3 cubic feet per minute maximum through six portsElectrical: 14 V @ 0.9A
- Stock: Warehouse
- Manufacturer Part #: 071-04037-0000
Available Options
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
