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Description
529437004 Blower Fan Blade - Fits Ryobi 18V Cordless Leaf Blower P2108 P21081 - 2 Pack529437004 High Velocity Blower Fan Blade for Ryobi 18V Key Features Centrifugal Air Flow Design: Engineered with precision angled vanes to maximize air intake and compression, delivering the high CFM (Cubic Feet per Minute) required for clearing heavy debris. Reinforced Metal Insert Nut: Features a factory pressed threaded metal insert at the hub, ensuring a stripped resistant, high torque connection to the motor's drive shaft. Impact Resistant
529437004 High-Velocity Blower Fan Blade for Ryobi 18V
Key Features
- Centrifugal Air-Flow Design: Engineered with precision-angled vanes to maximize air intake and compression, delivering the high CFM (Cubic Feet per Minute) required for clearing heavy debris.
- Reinforced Metal Insert Nut: Features a factory-pressed threaded metal insert at the hub, ensuring a stripped-resistant, high-torque connection to the motor's drive shaft.
- Impact-Resistant Composite: Manufactured from a high-density, balanced polymer to withstand high-speed impacts from small pebbles or mulch drawn into the intake.
- Precision Dynamic Balance: Factory-balanced to minimize motor vibration, which reduces bearing wear and extends the overall lifespan of your cordless blower.
- Direct OEM Integration: Designed to the exact aerodynamic specifications of the original Ryobi 18V fan, maintaining the factory airspeed and battery efficiency.
Replaces / Cross-Reference Part Numbers
- 529437004
- 529437003
- 529437002
- 529437001
Compatibility & Fitment
This fan blade is the primary replacement part for the Ryobi ONE+ 18V compact cordless blower series. Key compatible models include:
- Ryobi 18V ONE+ Models: P2108, P21081, P21081VN, P21081VNM.
- Series Fitment: Designed specifically for the axial/centrifugal hybrid 18V handheld blower platform.
- Note: Not compatible with Ryobi 40V backpack blowers or corded electric models which utilize a larger diameter impeller.
When to Replace
- Excessive Vibration: The blower shakes violently during use, indicating a fin has chipped or the hub has become unbalanced.
- Loud Screeching or Grinding: A high-pitched noise that suggests the fan is rubbing against the internal housing or the metal insert has loosened.
- Loss of Air Pressure: The blower motor runs at full speed, but very little air comes out of the nozzle, often caused by shattered or "rounded" fan blades.
- Visible Hub Cracks: Small stress fractures appearing around the center nut, which can lead to a catastrophic fan failure if not addressed.
- Foreign Object Damage: Large chunks of plastic missing from the vanes after accidentally vacuuming up a stone or thick twig.
Installation Tips
- Safety First: Always remove the 18V battery before attempting to open the blower housing. Even a momentary motor pulse can cause serious injury during fan replacement.
- Reverse Threads Check: Many blower fans use Left-Hand Threads (Clockwise to loosen) to prevent the fan from spinning off during operation. Check your specific model's motor shaft before applying force.
- Housing Cleanup: While the blower is open, use a soft brush or compressed air to remove any accumulated dust or dried grass from the motor vents to prevent overheating.
- Do Not Over-Tighten: Tighten the insert nut firmly but avoid using an impact driver. Excessive torque can crack the plastic hub around the metal insert.
- Manual Spin Test: Before reassembling the outer housing, spin the fan by hand to ensure it clears the internal scroll and isn't wobbling on the shaft.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
Good Value for a Tall Chair
Size: 934W-Z, Color: White
I have received this chair just today and would like to give my first impressions of it.
Height is super adjustable as well as the foot rest. My desk is very tall (~34 inches vs standard ~29 inches) and does not suit a standard height chair. This chair's height is enough to sit comfortably at mybut also still having adjustment to be even higher.
Lumbar support is a manual adjustment that can be adjusted by sliding the lumbar piece up or down and it seems it can be tiled as well.
No reclining feature or slight backrest tilt adjustment. I'm used to my chairs reclining so it feels a little awkward siting in a flat base and straight backrest. I feel like I'm sitting too forward or leaning forward slightly but is probably something I can get use to.
Easy to put together and feels very sturdy. Plastic parts of chair are made from a really sturdy plastic, like playhouse plastic materials. Wheels roll around carpet easily. Mesh seems to be a strong material, though the mesh feels kind itchy on bare skin.
Overall, I think this is a good chair to get if you're needing a tall chair for a good value and can sacrifice no backrest tilt.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Excellent value for money!
Size: 934W-Z, Color: Black, Size: 934W-Z, Color: Black
I absolutely love this office chair! I needed a chair that could support my standing desk without sacrificing comfort, and this one completely exceeded my expectations. It's incredibly sturdy and durable, well-made, and the height adjustment is super convenient, making it easy to find the perfect fit. Even during long hours of work, the seat is comfortable, and the ergonomic design effectively reduces pressure on my back and legs. I love its clean, modern look—it fits my home office perfectly. Assembly was quick and easy, and for this price, the quality is absolutely fantastic!
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Perfect chair!
Size: 934-Z, Color: Blue, Size: 934-Z, Color: Blue
I have an adjustable-height desk (also purchased from Amazon) and needed a drafting chair for those times when my body gets tired of standing. This chair fits the bill and then some! I put it together myself; it took me about an hour, but would take me about half that next time, since now I know what to do (and what NOT to do!). All the parts were there; there are even spare parts (see photo). All the holes were drilled in exactly the right places, too, which isn't always the case when I buy things from Amazon (my standing desk is a great example). The chair fits me; I'm short (5'3.5"), and often the seats of furniture are too deep for me to rest my feet flat on the floor. The depth of the seat on this chair is just a little over 18 inches, and with the adjustable footrest ring, it's perfect. I don't think a tall or heavy person would fit in it, to be honest. But it's perfect for those of us who are vertically challenged. I love that it glides easily on my hardwood floors and that it turns 360 degrees. The chair comes in numerous luscious colors, so take your pick! It is very sturdy, has good lumbar support, and the seat and seat back are very comfortable. And the arms flip up, which was an absolute must when I was shopping for this chair. I got it on sale, too -- $109.00 -- and I'm delighted with this purchase.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Excellent adjustable drafting chair
Size: 934-Z, Color: Blue
Excellent chair design, extremely comfortable and exceptionally easy instructions to follow making for simple assembly. Love the amply wide cushioned seat and ergonomic backrest. The height adjustment feature works perfectly as well as positioning of the foot ring . Having the ability to raise the arms is also a big plus! I highly recommend this product for attractive appearance, comfort features, functionality and operation. Really nice chair!
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Comfortable, stylish, and perfect for long work hours 💗✨
Size: 934-Z, Color: Pink
I bought this chair because I spend a lot of time working and needed something comfortable but also stylish, and I absolutely love it.
Since I started using it, I feel much better support in my back thanks to the lumbar support. It makes a big difference, especially during long work hours. The adjustable footrest is also a feature I didn’t know I needed, but now I use it all the time.
The flip-up armrests are very convenient because I can adjust them depending on what I’m doing or move them out of the way when needed.
The pink color is beautiful and adds a soft, elegant touch to my workspace. It looks great in a modern home office.
It feels sturdy, well-made, and very stable. Overall, it’s a great purchase that improved both my comfort and the look of my workspace.
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Reviewed in the United States on April 29, 2026
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