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
AI disclosure: this description was generated with AI assistance from this product's own listing data.
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 only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- 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
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed 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.
