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Sierra 18-3752 Upper Driveshaft Housing Retaining Nut for Mercruiser Stern Drive

Manufacturer

Picture for manufacturer Sierra

Part Number

118-3752
5 reviews
Sale Price

$24.14

2 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3752 is an upper driveshaft housing retaining nut designed specifically for Mercruiser stern drive applications. This critical component secures the u-joint input shaft assembly within the gear housing, ensuring proper drive train operation.

Key Features:

  • Direct replacement for Mercruiser OEM part numbers 816811-1, 8168112, 35992, 66071, and 8168111
  • Compatible with GLM 28350 and Mallory 9-72154
  • Engineered to meet or exceed OEM specifications
  • Built to withstand harsh marine environments and high-stress applications
  • Precision manufactured for proper fitment and reliable performance

Sierra marine parts are designed for today's high horsepower engine demands and manufactured to exacting standards. Special tool wrench #18-9803 is recommended for proper installation and removal of this retaining nut from the housing.

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