
4F951 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $134.99 | Top Pick! Condition is New, Dayton 4F951 Louver, Intake, 12-18 In, Aluminum, FREE SHIPPING | 99.8% |
![]() | $153.24 | Top Pick! Condition is New, DAYTON 4F951 Louver,Intake,12-18 In,Aluminum 4F951, FREE SHIPPING | 99.8% |
![]() | $187.37 | Condition is New, Dayton Louver,Intake,12-18 In,Aluminum 4F951 Dayton 4F951 190735323403 Aluminum, FREE SHIPPING | 99.6% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $130.00 | Condition is New – Open box, Dayton Aluminum Adjustable Louver, (1) 4F951A, 14"H x 12" to 18"W, shipping cost = $20.87 | 0.0% |

The Dayton 4F951 Louver Intake is a high-performance air intake system designed for use in HVAC applications. This intake is suitable for 12-18 inch round ductwork and is identified by the part number 190735323403.
The intake features a louvered design, which helps to prevent debris and other airborne contaminants from entering the HVAC system. The louvers are angled at 45 degrees to ensure maximum airflow while minimizing the intake of unwanted particles. The louvers are also removable for easy cleaning or replacement.
The Dayton 4F951 Louver Intake is made of heavy-duty galvanized steel, which provides excellent corrosion resistance and durability. The intake is also designed to be easy to install, with a snap-together frame and pre-drilled mounting holes.
The intake is designed to be used with 1-1/2 inch thick ductwork and has a total height of 10 inches. The diameter of the intake is 12 inches at the inlet and 18 inches at the outlet, allowing for efficient airflow and good air circulation.
The Dayton 4F951 Louver Intake is an essential component for any HVAC system that requires clean, efficient airflow. Its durable design, easy installation, and effective debris prevention make it a popular choice among HVAC professionals and DIY enthusiasts alike. Whether you're looking to upgrade an existing system or build a new one, the Dayton 4F951 Louver Intake is a great addition to your HVAC toolkit.
Pros and Cons of Buying Dayton 4F951 Louver Intake 12-18 190735323403
The Dayton 4F951 Louver Intake 12-18 190735323403 is a popular aftermarket intake system designed to enhance the performance of certain Honda and Acura vehicles. Before making a purchase, it's essential to consider both the advantages and disadvantages.
Pros:1. Improved Airflow: The louvered design of the intake allows for better airflow and filtration, which can lead to increased horsepower and torque.
2. Enhanced Engine Sound: The intake system can provide a more aggressive engine sound, which some drivers find appealing.
3. Easy Installation: The intake system is relatively easy to install, and most users report that they were able to do it themselves within a few hours.
4. Affordable: Compared to other performance intake systems, the Dayton 4F951 is relatively affordable.
5. Increased Fuel Efficiency: Some users have reported that the intake system has helped improve their vehicle's fuel efficiency.
Cons:1. Potential Decrease in Filtration: While the louvered design allows for better airflow, it may also decrease the level of filtration, which could negatively impact the longevity of the engine.
2. Potential Increase in Engine Heat: The intake system may cause an increase in engine heat, which could potentially lead to premature wear and tear on some components.
3. Potential Check Engine Light: In some cases, installing the intake system may trigger the check engine light, which could require further investigation and potential additional costs.
4. Potential Noise: Some users have reported that the intake system can produce a significant amount of noise, which may not be desirable for all drivers.
5. Not Suitable for All Vehicles: The intake system is only compatible with select Honda and Acura vehicles, so it may not be an option for all drivers.
Conclusion:The Dayton 4F951 Louver Intake 12-18 190735323403 can provide several benefits, including improved airflow, enhanced engine sound, easy installation, affordability, and increased fuel efficiency. However, it also comes with potential drawbacks, such as decreased filtration, increased engine heat, potential check engine light, noise, and compatibility issues. Ultimately, the decision to purchase the intake system depends on individual preferences, vehicle compatibility, and the potential trade-offs.
Recommendation:If you are looking to enhance the performance of a compatible Honda or Acura vehicle and are willing to accept the potential risks and trade-offs, the Dayton 4F951 Louver Intake 12-18 190735323403 could be a worthwhile investment. However, if you prioritize engine longevity, filtration, or a quieter driving experience, you may want to consider other options. It's always a good idea to consult with a professional mechanic or performance specialist before making a purchase to ensure that it's the best fit for your vehicle and driving style.
Details:
If an order has already been shipped, simply refuse the package when it arrives or return to sender if courier delivers. Further warranty may be offered by the product manufacturer. Dayton louver,intake,12-18 in,aluminum 4F951: 18 in.h 16 in.w non-drably alu intake louver, louver type stationary blade, frame flanges, depth 4 in, mounting surface mount, outside height width rough opening 14 12 maximum 616 cfm , exhaust 875 22 minimum flange 2 free area 0.6 sq ft, beginning point of water penetration 766 FM, air velocity 3000 blade angle 45 degrees. Warranty issues with all power equipment must be addressed through the manufacture.
Mpn4f951upc 3.
specifications maxohvac:
- brand: Dayton
- mpn: 4f951
- type: Shutters, Dampers, And Louvers
- country of origin: United States
- material: Aluminum
- upc: 190735323403
offer maxohvac:
- started: october 21, 2025
- in stock #: 4
- options: ship-to-home
- prices: $130.00–$187.37
- item condition:
- New
- New – Open box
- availability: in stock
- sold #: 11
payments maxohvac:
- credit card: discover
- wallet: google-pay
- other
shipping maxohvac:
- transit: 3-5 days
- type: fixed
- service: ups ground
- class: standard
- carrier: ups
returns maxohvac:
- method: money back
- policy: returns accepted
- time: 30 days
- paid by: buyer
seller maxohvac:
- rating: 99.3%
- # reviews: 142536
- city: hibbing, minnesota
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration



