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WD21X31906 Dishwasher Electronic Control Board vs Whirlpool

Updated July 2026 — WD21X31906 Dishwasher Electronic Control Board wins on sales rank, Whirlpool wins on price and noise.

The Whirlpool dishwasher offers advanced features and better cleaning performance, making it the superior choice for most users.

Why WD21X31906 Dishwasher Electronic Control Board is better

Price

WD21X31906 is significantly cheaper.

Functionality

Essential for repairing dishwashers.

Brand

Reputable part for appliance repair.

Why Whirlpool is better

Cleaning

Superior cleaning performance with advanced features.

Noise Level

Operates quietly at 55 dBA.

Capacity

Holds 14 place settings, ideal for families.

Overall score

WD21X31906 Dishwasher Electronic Control Board
45
Whirlpool
85

Specifications

SpecWD21X31906 Dishwasher Electronic Control BoardWhirlpool
TypeControl BoardDishwasher
BrandAllstarWhirlpool
FunctionRepairClean
WarrantyN/A1 Year
InstallationDIYProfessional

Dimension comparison

WD21X31906 Dishwasher Electronic Control BoardWhirlpool

Overview of the Products

When comparing the WD21X31906 Dishwasher Electronic Control Board and the Whirlpool 24 Inch Fully Integrated Dishwasher, the key distinctions lie in their functionality and design. The WD21X31906 is a crucial component for repairing dishwashers, while the Whirlpool model is a fully integrated appliance designed for efficiency and convenience. The WD21X31906 is priced at $183.99, whereas the Whirlpool dishwasher costs $611.00, making the former about 70% cheaper than the latter.

Functionality Comparison

The WD21X31906 Dishwasher Electronic Control Board is primarily designed to replace malfunctioning parts in dishwashers, ensuring they operate correctly. This OEM part is compatible with several models and is essential for those looking to restore their appliance’s functionality. Conversely, the Whirlpool dishwasher offers a variety of wash cycles, including a Quick Wash and a Boost Cycle for tough cleaning. The Boost Cycle is particularly notable, as it tackles stubborn, dried-on food without pre-rinsing, making it ideal for those who often deal with heavily soiled dishes.

Cleaning Performance

In terms of cleaning performance, the Whirlpool dishwasher clearly stands out. It features a Triple Filtration Wash System that continuously removes food particles throughout the wash cycle, ensuring cleaner dishes. This three-stage system includes a coarse filter for large debris and micro-fine filters for tiny soils, enhancing overall cleaning effectiveness. While the WD21X31906 is critical for function, it does not offer cleaning features, as it is not an appliance in itself. Thus, for actual cleaning tasks, the Whirlpool is the superior choice.

Noise Level

The Whirlpool dishwasher operates at a quiet 55 dBA, making it suitable for use during meals or overnight without causing disruption. This low noise level is a significant advantage in busy households or open-plan kitchens where sound can carry. On the other hand, the WD21X31906 does not pertain to noise levels, as it is an electronic control board and not an operational appliance. Therefore, if noise level is a priority, the Whirlpool model is clearly the better option.

Capacity and Space Management

The Whirlpool dishwasher boasts a capacity of 14 place settings, making it ideal for larger families or those who entertain frequently. It also features three 5-inch cup shelves that can be adjusted for additional space or flexibility when loading. In contrast, the WD21X31906 does not have a capacity rating, as it is a replacement part rather than a complete washing unit. For those needing ample space for dishes, the Whirlpool offers a significant advantage.

Ease of Use and Features

The Whirlpool dishwasher includes numerous user-friendly features, such as Cycle Memory, which simplifies the process of restarting the last selected wash cycle, and a Cycle Status Indicator Light, which shows when the dishwasher is in operation. These practical features enhance everyday usability. The WD21X31906, while essential for repair, does not offer any operational features or conveniences related to use, limiting its functionality strictly to maintenance. Therefore, the Whirlpool dishwasher is much more user-friendly.

Brand Reputation and Sales Rank

The Whirlpool dishwasher ranks 1,676 in sales, indicating its popularity among consumers and reflecting a positive reputation for quality and performance. The WD21X31906, while also a reputable product, has a sales rank of 4,067, which may suggest it is less frequently purchased compared to the Whirlpool model. Brand reputation plays a crucial role in consumer choice, and in this case, Whirlpool's stronger sales rank gives it an edge in perceived value.

Price Consideration

With a price of $183.99, the WD21X31906 is significantly less expensive than the Whirlpool dishwasher, which retails for $611.00. This price difference of about $427.01 makes the WD21X31906 an appealing option for those needing a replacement part. However, it is essential to consider that the WD21X31906 serves a different purpose than the Whirlpool dishwasher. Customers looking for an operational appliance will find the investment in the Whirlpool justified by its features and performance.

Which should you buy?

Choosing between the WD21X31906 Dishwasher Electronic Control Board and the Whirlpool 24 Inch Fully Integrated Dishwasher depends largely on your needs. If you require a replacement part to restore a dishwasher, the WD21X31906 is the clear choice due to its lower cost and essential function. However, if you are in the market for a new dishwasher with advanced cleaning capabilities, user-friendly features, and excellent performance, the Whirlpool model is worth the investment. Its capacity, noise level, and overall convenience make it a superior option for anyone looking to enhance their dishwashing experience.