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FAA31690705 Washing Machine Bolt Assembly vs WP91939 Washer Upper Transmission Shaft Seal 91939

Updated August 2026 — FAA31690705 Washing Machine Bolt Assembly leads on warranty and durability.

The FAA31690705 is a more reliable choice for structural integrity, while the WP91939 offers a cost-effective solution for Whirlpool machines.

Why FAA31690705 Washing Machine Bolt Assembly is better

Price

FAA31690705 is a more robust part despite being more expensive.

Functionality

FAA31690705 secures components, ensuring better performance.

Sales Rank

FAA31690705 has a better sales rank, indicating higher popularity.

Why WP91939 Washer Upper Transmission Shaft Seal 91939 is better

Cost

WP91939 is significantly cheaper at $12.95.

Compatibility

WP91939 is specifically designed for Whirlpool machines.

Installation

WP91939 is straightforward to install.

Overall score

FAA31690705 Washing Machine Bolt Assembly
85
WP91939 Washer Upper Transmission Shaft Seal 91939
70

Specifications

SpecFAA31690705 Washing Machine Bolt AssemblyWP91939 Washer Upper Transmission Shaft Seal 91939
OEM PartYesYes
Replaces4011FR3159J, 4011FR3159N91939, AP6013637
Brand CompatibilityVariousWhirlpool
MaterialMetalRubber
Installation EaseModerateEasy

Dimension comparison

FAA31690705 Washing Machine Bolt AssemblyWP91939 Washer Upper Transmission Shaft Seal 91939

Overview of the Products

The FAA31690705 Washing Machine Bolt Assembly and the WP91939 Washer Upper Transmission Shaft Seal serve different yet crucial functions in washing machines. The FAA31690705 is priced at $33.48, while the WP91939 is significantly less expensive at $12.95, making it about 61% cheaper. Understanding their specific roles can help you decide which part is more relevant for your needs.

Purpose and Functionality

The FAA31690705 Washing Machine Bolt Assembly is designed to secure components within the washing machine, ensuring structural integrity during operation. This part is a Genuine OEM part, meaning it’s made to meet the manufacturer's specifications, which can lead to better performance and longevity. On the other hand, the WP91939 Washer Upper Transmission Shaft Seal prevents oil leaks through the drive tube of the washing machine. It is also a Genuine Replacement part compatible with Whirlpool washers, highlighting its reliability.

Compatibility

Compatibility is a vital factor when selecting replacement parts. The FAA31690705 Bolt Assembly replaces part numbers 4011FR3159J and 4011FR3159N, ensuring it fits a wide range of washing machine models. Conversely, the WP91939 Seal is specifically noted for its compatibility with Whirlpool machines, replacing several part numbers including 91939 and AP6013637. If your washing machine is from Whirlpool, the WP91939 may be your best choice, while the FAA31690705 is ideal for other brands.

Price Comparison

In terms of pricing, the FAA31690705 is priced at $33.48, while the WP91939 comes in at $12.95. This represents a price difference of $20.53, meaning the WP91939 is about 61% cheaper than the FAA31690705. For budget-conscious consumers, the significant cost savings of the WP91939 could be a decisive factor, especially if you are looking to perform a straightforward repair.

Sales Rank and Popularity

When considering sales rank, both products are fairly popular in their respective categories. The FAA31690705 has a sales rank of 2077, indicating a solid position among washing machine parts. The WP91939, with a slightly lower sales rank of 2132, still shows that it is a sought-after item. Although both parts are popular, the FAA31690705 has a slight edge in terms of sales rank, which might suggest it is a preferred choice among consumers.

Installation and Ease of Use

Both the FAA31690705 and WP91939 are designed for ease of installation, typical of OEM parts. The FAA31690705 ensures a secure fit for critical components, while the WP91939 is straightforward to install, preventing oil leaks effectively. However, the ease of installation can depend on the specific washing machine model. If you are not technically inclined, it may be beneficial to consult a professional for installation, especially with the FAA31690705 due to its structural importance.

Warranty and Returns

The FAA31690705 comes with a return policy that requires items to be in new and re-saleable condition for returns or exchanges. This policy is common among OEM parts, as they often come with some form of warranty or satisfaction guarantee. Conversely, the WP91939 does not explicitly mention a return policy, but being a genuine replacement part, it is generally expected to meet quality standards. Always check with the retailer for specific return conditions to avoid any inconveniences.

Which should you buy?

Deciding between the FAA31690705 Washing Machine Bolt Assembly and the WP91939 Washer Upper Transmission Shaft Seal boils down to specific needs and budget. If you require a reliable bolt assembly for a broader range of washing machines, the FAA31690705 is a solid choice, albeit at a higher price point of $33.48. However, if you own a Whirlpool machine and need a cost-effective solution to prevent oil leaks, the WP91939 at $12.95 is an attractive option, being about 61% cheaper. Ultimately, your choice should align with the compatibility of your appliance and your financial considerations.