Whirlpool WP8577376 Washer Genuine OEM Transmission Shaft Seal
Factory replacement transmission stem / agitator shaft seal for select Whirlpool-built top-load washers.
Product Overview
WP8577376 is a Genuine Whirlpool OEM washer shaft seal. Whirlpool describes it as a washing machine transmission stem seal, while Sears identifies it as an agitator shaft seal.
The seal helps prevent wash water from leaking between the tub mounting stem and the agitator drive shaft, protecting the transmission/drive area from moisture.
Quick Answer
WP8577376 is the current Genuine Whirlpool OEM replacement for several older washer shaft and center-post seals. It is commonly used on older Whirlpool-built direct-drive top-load washers.
Common Problems This Part May Fix
- Water leaking around the agitator or center-post area
- Moisture reaching the transmission or drive system
- Worn, cracked, hardened, or missing shaft seal
- Leak discovered during tub or transmission service
Replaces and Cross-References
Cross-reference numbers are provided for identification. Always verify the complete appliance model number before ordering.
Compatibility
Fits select Whirlpool-built washers sold under Whirlpool, Kenmore, KitchenAid, Roper, Estate, Crosley, Admiral, Amana, Magic Chef, Maytag and related brands. Compatible model examples include:
Important: This is only a partial compatibility list. Verify the full washer model number and original seal number before purchase.
Key Features
- Genuine Whirlpool OEM replacement part
- Transmission stem / agitator drive shaft sealing function
- Helps prevent water intrusion into the drive area
- Updated replacement for multiple older shaft-seal numbers
- Designed for select Whirlpool-built top-load washers
Product Specifications
| Manufacturer Part Number | WP8577376 |
| Brand | Whirlpool |
| Part Type | Transmission Stem / Agitator Shaft Seal |
| Condition | New |
| Part Quality | Genuine OEM |
| Application | Washer Tub / Transmission Shaft Sealing |
| Package Quantity | 1 Shaft Seal |
Installation Notes
- Unplug the washer and shut off both water-supply valves before service.
- Drain any remaining water and follow the appliance service procedure for tub/drive-system access.
- Remove the old shaft seal without damaging the mounting surface or drive shaft.
- Clean the sealing surface before installing the replacement.
- Install the new seal in the correct orientation and reassemble the washer.
- Run a test cycle and inspect carefully for leaks.
Service note: A leak in this area can also involve worn tub seals, a damaged mounting stem, corrosion, or transmission/shaft wear. Inspect related components while the washer is disassembled.
Frequently Asked Questions
Is WP8577376 a Genuine Whirlpool OEM part?
Yes. WP8577376 is a Genuine Whirlpool OEM replacement shaft seal.
What does this seal do?
It helps prevent water from leaking between the tub mounting stem and agitator drive shaft.
Does WP8577376 replace 8577376 and 91938?
Yes. Those are among the earlier part numbers superseded by WP8577376.
Is this the complete transmission?
No. This listing is for the shaft seal only. The transmission/gearcase and other seals are not included.
Shop With Confidence
Use your washer's complete model number to confirm fitment before ordering.
