vsversusfinder

Frigidaire FDPC4314A vs WD21X31906 Dishwasher Electronic Control Board

Updated July 2026 — Frigidaire FDPC4314A wins on price and weight, WD21X31906 Dishwasher Electronic Control Board wins on sales rank and noise level.

The Frigidaire FDPC4314A offers a complete dishwasher solution with versatile features, while the WD21X31906 serves as a crucial replacement part. Choose based on whether you need a new appliance or a repair part.

Why Frigidaire FDPC4314A is better

Complete Appliance

Frigidaire is a full dishwasher, while WD21X31906 is just a part.

Versatile Features

Frigidaire has five wash cycles compared to WD21X31906's singular function.

User Experience

Frigidaire's quiet operation enhances user satisfaction.

Why WD21X31906 Dishwasher Electronic Control Board is better

Lower Price

WD21X31906 is significantly cheaper than Frigidaire.

Repair Focus

WD21X31906 is essential for maintaining existing dishwashers.

OEM Quality

WD21X31906 is a genuine OEM part ensuring reliability.

Overall score

Frigidaire FDPC4314A
85
WD21X31906 Dishwasher Electronic Control Board
70

Specifications

SpecFrigidaire FDPC4314AWD21X31906 Dishwasher Electronic Control Board
BrandFrigidaireAllstar Appliance Parts
TypeDishwasherControl Board
MaterialPlasticOEM
Wash Cycles5N/A
Warranty1 YearN/A

Dimension comparison

Frigidaire FDPC4314AWD21X31906 Dishwasher Electronic Control Board

Overview of Products

In this comparison, we look at the Frigidaire FDPC4314A built-in dishwasher and the WD21X31906 dishwasher electronic control board. The Frigidaire model, priced at $379.00, offers a complete dishwasher solution for households, while the WD21X31906, at $183.99, serves as a crucial replacement part for existing dishwashers. Each product serves different needs in the realm of dishwashing, appealing to distinct customer segments.

Design and Build Quality

The Frigidaire FDPC4314A boasts a plastic interior tub that is lightweight and resistant to corrosion, making it easy to maintain and clean. Its quiet and efficient design enhances user experience by minimizing operational noise, which is a significant consideration for many households. On the other hand, the WD21X31906 is an electronic control board that is essential for the functioning of compatible dishwashers. While it lacks the physical presence of a complete appliance, the genuine OEM part ensures reliability and compatibility with various models, making it a vital component in the repair and maintenance of dishwashing systems.

Features and Functionality

The Frigidaire FDPC4314A is designed with five wash cycles, providing versatility for different cleaning needs, from quick washes to heavy-duty cycles. This feature enhances its usability, especially for families with varying dishwashing demands. Conversely, the WD21X31906 focuses on functionality as a replacement part. It replaces several part numbers, ensuring that users can find the right fit for their dishwashers. This makes it indispensable for those looking to repair rather than replace their appliances entirely.

Pricing and Value

At $379.00, the Frigidaire FDPC4314A is considerably more expensive than the WD21X31906, which is priced at $183.99. This makes the control board about 51% cheaper than the complete dishwasher unit. However, while the initial investment for the Frigidaire may be higher, it provides a comprehensive solution for washing dishes. In contrast, the lower price of the WD21X31906 appeals to consumers looking for budget-friendly repair options, highlighting the value of maintaining existing appliances.

Sales Performance

The Frigidaire FDPC4314A holds a sales rank of 1300, indicating a solid position in the market for built-in dishwashers. This suggests a favorable reception among consumers, likely driven by its features and performance. Meanwhile, the WD21X31906 ranks at 4067, which reflects its niche position as a replacement part. While it may not sell as quickly as a complete appliance, its role in providing essential repairs ensures a steady demand among users who need to keep their dishwashers operational.

Target Audience

The Frigidaire FDPC4314A is aimed at families or individuals seeking a reliable, standalone dishwasher that combines efficiency with ease of use. Its features cater to those who value functionality and quiet operation in their kitchen. In contrast, the WD21X31906 targets a different demographic: homeowners or appliance repair enthusiasts looking to extend the life of their existing dishwashers. Its specific compatibility makes it ideal for those who prefer to repair rather than replace.

Ease of Maintenance

The Frigidaire FDPC4314A’s plastic interior tub is designed to resist staining and is easy to clean, simplifying maintenance for users. This is a notable advantage for busy households that require a low-maintenance appliance. On the other hand, the WD21X31906, being a control board, requires careful handling during installation. Its OEM status assures users of quality, but installation must be done correctly to avoid issues, emphasizing the need for technical skills or professional help.

Which should you buy?

Choosing between the Frigidaire FDPC4314A and the WD21X31906 ultimately depends on your specific needs. If you require a complete dishwasher solution that offers multiple wash cycles and ease of maintenance, the Frigidaire is an excellent choice at $379.00. However, if you are looking for a cost-effective way to repair an existing dishwasher, the WD21X31906 at $183.99 provides a practical solution. Consider your current situation: a new appliance or a replacement part, and make your decision accordingly.