Description
Mercury 20839T Propeller Shaft Ball Bearing
The Mercury 20839T propeller shaft ball bearing is a genuine Mercury part used in compatible Mercury and Mariner outboard gearcase applications where this part number is specified. Confirm fitment by serial number, gearcase parts diagram, owner’s manual, or service manual before ordering.
Key Features
- Genuine Mercury propeller shaft ball bearing
- Designed for compatible Mercury and Mariner outboard gearcase assemblies where specified
- Supports propeller shaft rotation inside the gearcase assembly
- For applications that call for Mercury part number 20839T
Fitment / Product Details
- Brand: Mercury
- Part number: 20839T
- Product type: propeller shaft ball bearing
- Application: Mercury and Mariner outboard gearcase service where 20839T is specified
- Engine range: 25-70 HP Mercury/Mariner applications where this bearing is specified
- Confirm fitment by engine serial number and gearcase parts diagram before purchase
What’s Included
- One Mercury 20839T propeller shaft ball bearing
Why You Should Buy
- OEM Mercury construction for proper fit in specified gearcase assemblies
- Useful when replacing worn or damaged propeller shaft bearing components
- Helps avoid mismatched aftermarket bearings during lower-unit service
Common Applications
- Mercury and Mariner outboard gearcase service
- Propeller shaft bearing replacement where part number 20839T is called out
- Use only on engines and gearcase assemblies that specify Mercury 20839T
FAQ
- Is this an OEM Mercury part? Yes. This listing is for a genuine Mercury part.
- Does this fit every Mercury or Mariner outboard? No. Use only where part number 20839T is specified for your engine or gearcase.
- How should I confirm fitment? Match the part number to your engine serial-number parts diagram, owner’s manual, or service manual.
- Need help confirming fitment? Contact us before ordering and our parts team can help verify compatibility: Ask a Parts Pro.