Connector photo
Dimension drawing
SUNON SG40281BX-0000-S99 40x40x28mm 12V DC Axial Cooling Fan
- Product SKU: CFS-U000621
- Category: 12 Volt DC Cooling Fans, 40x40x28mm Cooling Fans, DC Brushless Fans, SUNON Cooling Fans
Confirm Fit Before Ordering
Use this quick check first, then review the full Product Specifications tab before placing an order.
Share the original fan label, connector photo, or target quantity so the team can check compatibility or quote bulk supply.
Reference model: SG40281BX-0000-S99
Product Specifications
Review the technical data used for replacement matching, procurement comparison and engineering approval.
External seller reference: SUNON SG40281BX-0000-S99, DC12V 8.16W, with F4524U marking. Both views show four red/black/yellow/blue leads and corresponding fan construction. The source shows a pale four-position housing; historical lead ends are outside the frame.
This external reference does not prove the actual shipping unit, condition or supplied connector. Confirm the full part number, dimensions, connector and pinout before ordering; lead count does not establish control functions. Historical listing photographs are retained in store records outside this gallery. Seller source.
SUNON SG40281BX-0000-S99: listed specifications
This listing identifies SUNON SG40281BX-0000-S99, a cooling fan. Compare the complete part number and listed specifications with the unit you need.
| Brand | SUNON |
|---|---|
| Complete model | SG40281BX-0000-S99 |
| Listed frame size | 40x40x28mm |
| Listed input | 12V DC |
Before ordering
What input is listed for SG40281BX-0000-S99?
The listed input is 12V DC. Compare the original supply rating and polarity before connection.
What dimensions should I check for SG40281BX-0000-S99?
The listed frame size is 40x40x28mm. Compare mounting-hole positions, frame thickness and available installation clearance.
How do I check the connection for SG40281BX-0000-S99?
Compare the full label, connector shape and pinout with your original unit. Ask for identification help if the harness or model suffix differs.
Send label and connector photos for identification help. For multiple units, request a wholesale quote.
Compatibility Verification Checklist
Before ordering, please confirm these critical points:
- 1Exact model number on the original fan label
- 2Frame size: length, width and thickness
- 3Rated voltage and current
- 4Connector type and wire sequence
- 5Wire count: 2-wire, 3-wire or 4-wire PWM
- 6Airflow direction and mounting hole position
- 7Cable length and application environment
Still unsure? Send us photos of your fan label, connector and equipment. We will help check compatibility before you order.
Datasheet / Drawing
Use official documents and dimensional references when available. If a document is missing, contact us before ordering for replacement matching support.
Bulk Order
For repair batches, OEM projects or distributor replenishment, send the model number, target quantity, connector requirements and delivery destination.
Shipping & Returns
Shipping options, lead time and return eligibility may vary by product, quantity and destination. Confirm compatibility before ordering replacement fans.
- For bulk orders, request freight planning and availability confirmation before payment.
- For replacement orders, compare model, size, voltage, current and connector before installation.
- Unused items should remain in original condition for return review according to store policy.
FAQ
Common checks for replacement cooling fan sourcing.
Can you help match an old fan?
Yes. Send photos of the fan label, connector and equipment so we can check model, voltage, frame size and wiring.
Can I use a different brand as a replacement?
Often yes, but only after confirming frame size, electrical rating, airflow requirement, bearing type, connector and wire sequence.
What information is needed for a bulk quote?
Send part number, quantity, target lead time, connector or cable requirements and shipping destination.
