PREPARE FOR WINTER: 10-50% discount on all OEM parts!

Unless prohibited by manufacturer. Does not include aftermarket or Crowley Marine branded products. Priced as marked.

Contact Us
Overstock
Up to 50% off
Search Over 1 Million OEM Parts
Easy-to-use  parts diagrams Best price  guarantee Expert  live support 50+ years  of serving boaters Huge selection of OEM parts  -  from 1950 to 2026 Most parts in stock  -  Same day fulfillment
Most parts in stock- Same day fulfillment
Where is my model number?

Select your engine to find guaranteed-fit parts:

Mercury Marine

Coupling A 887987A1

Price not available
No longer available
  • This is an OEM part manufactured by Mercury Marine
  • 30 day return policy
    •
Parts included in this kit
Mercury Marine logo

Product Description

Mercury factory part.
Our verified social media accounts

Beware of impersonators

Refresh

Parts included in this kit

Please note: Some of the included items may not be available for purchase separately and won't be listed here.

Name SKU Brand
O-Ring, Water Tube Extension (.796 x .139) 21836 Mercury Marine
(.921 x .139) O-Ring 90196 Mercury Marine
Refresh
Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.