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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
ARLEN NESS Stage-1 Air Cleaner - XL 18-445Each hidden breather is o ringed at the heads and exits at the mouth of the injector carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware Standard red filters are pre oiled, washable and feature four layers of surgical grade cotton for optimum filtration and maximum airflow Synthetic filters feature a black synthetic material that is water resistant and never needs to be oiled; just wash and re use One
- Each hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware
- Standard red filters are pre-oiled, washable and feature four-layers of surgical grade cotton for optimum filtration and maximum airflow
- Synthetic filters feature a black synthetic material that is water resistant and never needs to be oiled; just wash and re-use
- One-piece aluminum backing plate features patented hidden breather technology
- Radius air inlet provides maximum performance by providing unobstructed airflow
- Stage I kit accepts OEM outer cover or custom Ness outer cover
- All necessary hardware and instructions are included with each kit
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
4.8 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 2
Loose
Color: Black
Water tube fits to loose
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Reviewed in the United States on August 3, 2024
★★★★★ 5
Great quality and price
Perfect fit. Received quicker than boat shop
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Reviewed in the United States on June 22, 2025
★★★★★ 5
Easy to install if you watch some online how to videos.
The water pump kit worked great on my 35 year old, 2 stroke, 100hp, Mercury Outboard.
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Reviewed in the United States on May 15, 2025
★★★★★ 4
Very good shipped and received fast
Missing one bottom gasket. Maybe factor made changes from old style
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Reviewed in the United States on July 10, 2021
★★★★★ 5
Good impeller kit
Great kit for impeller alpha one gen two outdrive. The only thing that was missing is the instructions as a reference.
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Reviewed in the United States on August 14, 2025