Frigidaire 24 in. White Front Control Smart vs WD21X31906 Dishwasher Electronic Control Board
Updated July 2026 — Frigidaire 24 in. White Front Control Smart wins on warranty and capacity, WD21X31906 Dishwasher Electronic Control Board wins on price.
The Frigidaire dishwasher is a complete appliance with excellent features, while the WD21X31906 is a cost-effective replacement part. Choose based on your needs.
Why Frigidaire 24 in. White Front Control Smart is better
Capacity
12 place-setting capacity for larger households
Warranty
1-year parts and labor warranty included
Features
5-level wash system for thorough cleaning
Why WD21X31906 Dishwasher Electronic Control Board is better
Price
Lower price at $183.99
OEM Part
Genuine OEM replacement part
Repair Focus
Designed specifically for repairing dishwashers
Overall score
Specifications
| Spec | Frigidaire 24 in. White Front Control Smart | WD21X31906 Dishwasher Electronic Control Board |
|---|---|---|
| Type | Dishwasher | Control Board |
| Current Price | $299.12 | $183.99 |
| Brand | Frigidaire | Allstar Appliance Parts |
| Sales Rank | 3750 | 4067 |
| Noise Level | 62 dB | N/A |
Dimension comparison
Overview of the Products
When comparing the Frigidaire 24 in. White Front Control Smart Built-in Tall Tub Dishwasher and the WD21X31906 Dishwasher Electronic Control Board, we see two distinct options catering to different needs. The Frigidaire dishwasher is a full appliance designed for efficient dish cleaning, while the WD21X31906 electronic control board serves as a replacement part for dishwashers. Understanding their functionalities and pricing is key to determining which option may be best for you.
The Frigidaire dishwasher is priced at $299.12 and offers a 12 place-setting capacity, making it suitable for families or those who entertain frequently. On the other hand, the WD21X31906 electronic control board is priced at $183.99 and is targeted at individuals looking to repair their existing dishwashing unit. This fundamental difference in purpose is essential to consider when making a purchasing decision.
Design and Build Quality
The Frigidaire dishwasher boasts a sleek design with front controls and a white finish, making it an attractive addition to any kitchen. It features a built-in tall tub design that enhances its capacity and usability. In contrast, the WD21X31906 is a functional electronic control board that replaces specific parts of a dishwasher and lacks a physical presence in terms of kitchen aesthetics.
While the Frigidaire is designed to be a visually appealing and practical kitchen appliance, the WD21X31906 is purely functional—its design is solely focused on compatibility and performance. This distinction highlights the Frigidaire as a complete solution for those needing a new dishwasher versus the WD21X31906, which is intended for users with existing dishwashers that require repairs.
Key Features
The Frigidaire dishwasher includes impressive features such as a 5-level wash system designed for thorough cleaning, a quiet operation at approximately 62 dB, and a no-heat dry option that saves energy. These features enhance the user experience by providing efficient cleaning with minimal noise.
In contrast, the WD21X31906 electronic control board is a genuine OEM part designed to replace several specific control board models. While it doesn’t offer features in the way an appliance does, its role is critical for maintaining the functionality of existing dishwashers. Therefore, the choice between these two products heavily depends on whether you need a complete appliance or a specific replacement part.
Performance
The Frigidaire dishwasher is built for performance, equipped with a robust wash system that ensures cleanliness across various dish types. Its ability to handle up to 12 place settings makes it a reliable choice for larger households or gatherings. Users can expect a balance of efficiency and effectiveness, particularly with the heavy cycle option available.
Conversely, the WD21X31906 control board's performance is contingent on the dishwasher it replaces. If the original dishwasher was functioning properly before the control board malfunctioned, then installing this part should restore its performance to its intended level. This means that while the control board itself does not have performance metrics, it is vital for the continued operation of compatible dishwashers.
Pricing Comparison
The Frigidaire dishwasher is available at $299.12, while the WD21X31906 electronic control board is priced at $183.99. This makes the control board about 38% cheaper than the dishwasher. However, it’s important to note that the two products serve very different purposes. The value of each product should be assessed in the context of the user’s needs—whether they require a new appliance or a replacement part.
Investing in the Frigidaire dishwasher means securing a new appliance with a warranty, while purchasing the WD21X31906 control board is a more cost-effective option for repair, assuming you already own a compatible dishwasher. The pricing highlights the necessity of evaluating personal circumstances before making a decision.
Customer Satisfaction and Sales Rank
The Frigidaire dishwasher holds a sales rank of 3750, indicating a solid presence in the market, which can suggest a level of customer satisfaction based on its popularity. Its ranking reflects a dependable choice for consumers seeking a new dishwasher solution.
On the other hand, the WD21X31906 control board has a sales rank of 4067. While it is slightly lower in ranking, this still indicates a respectable level of demand in the replacement parts market. Customers looking for reliability in repairs may find this part to be a trusted solution, particularly if it matches their existing dishwasher model.
Warranty and Support
The Frigidaire dishwasher comes with a 1-year parts and labor warranty, providing peace of mind for buyers concerned about potential issues after purchase. This warranty is a significant factor for consumers investing in a new appliance, as it indicates that the manufacturer stands behind its product.
In contrast, the WD21X31906 electronic control board does not offer a warranty once installed, which means buyers must be cautious during installation to ensure compatibility. If the part does not match the existing appliance, it cannot be returned once installed. This lack of warranty highlights the risk involved with purchasing replacement parts compared to a new appliance with guaranteed support.
Which should you buy?
Ultimately, the decision between the Frigidaire 24 in. White Front Control Smart Built-in Tall Tub Dishwasher and the WD21X31906 Dishwasher Electronic Control Board comes down to your specific needs. If you are in the market for a new, fully functional dishwasher with excellent features and a warranty, the Frigidaire at $299.12 is the clear choice. However, if you are looking to repair an existing dishwasher and need a replacement part, the WD21X31906 control board at $183.99 offers a cost-effective solution. Assessing your situation will guide you to the right purchase.

