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FLASHSALE26

18-2643 Upper Seal Kit for with Mercruiser Bravo I II & III, X, XR, XZ, and Blackhawk 1994-1995 | SeaSierra

Sale price $53.99 Regular price $88.00

Worry-free returns

Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.


If the return is due to our error or a defective item, we’ll make it right.


Please contact us before returning any item.

Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

  • SKU: 182643
  • Brand & Manufacturer: SeaSierra
  • Category: Drive Parts / Seal Kits, Oil Seals
  • Part Type: Upper Unit Seal Kit
  • Item Weight: 0.185
  • Package Dimensions:
    • Height: 0.65
    • Depth: 9.05
    • Width: 6

Compatibility

This kit is compatible with the following Mercruiser models:

  • Bravo I, II, & III
  • X, XR, XZ
  • Blackhawk (Years: 1994-1995)

Part Numbers and Replacements

  • Replaces OEM Mercruiser Part Numbers:
    • 26-16709A1
    • 27-16709A2
  • Replaces Sierra Part Number: 18-2643
  • Replaces GLM Part Number: 87480
  • Replaces Mallory Part Number: 9-74301
  • Other Replaced Part Numbers:
    • 94-121-09K SEI
    • 18-2643 Sierra
    • 26-16709A2 Mercruiser

Kit Components

The package includes the following items:

  1. O-Ring (Multiple references, including 18-7449, 18-7117, 18-7169-9, 18-7153-9, 18-7198-9, 18-7167-9, 18-7102-9, 18-7105-9)
  2. Oil Seal (Multiple references, including 18-1240)
  3. Keeper
  4. Drain Screw Gasket (Multiple references, including 18-2430-9, 18-2945-9)
  5. Check Valve Kit (18-2715)
  6. Outdrive Seal (Multiple references, including 18-1240, 18-2516-9)

Additional Information

  • Quality: This Upper Seal Kit is made of high-quality materials, ensuring durability and wear-resistance.
  • Performance: The kit is not easy to corrode and age.
  • Service Support: Comprehensive pre-sales and after-sales service is offered. For any questions, customers are encouraged to contact the support team.
  • UPC: 030999875204
  • Unit of Measure: EA
  • Item Status: A
  • Case Packaging: 1
  • Standard Packaging: 1
  • HSC: 401693
  • ECCN: 4016.93.1020

Payment & Security

Payment methods

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  • Discover
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  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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