Free Shipping On Orders Over $49

Sierra One-Piece Rear Main Seal For Mercury Marine/OMC, Sierra Part #18-1234

Item # 900233
Please make sure all selections are complete and a valid quantity is entered and try again.

Ships within 5 - 6 business days

Additional Information:
  • Additional discounts do not apply.


  • Sierra Part #18-1234

  • One-Piece Rear Main Seal

  • For Mercury Marine/OMC engine

Product Summary 

Sierra one-piece rear main seal for Mercury Marine/OMC engine. Sierra Part #18-1234.

Manufacturer/OEM Part Number:
Mercury Marine: 26-811554
OMC: 3853528