18-4009 Manifold End Plate for Mercruiser Stern Drives
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SIERRA18-4009 Manifold End Plate for Mercruiser Stern Drives


In stock online.
Model # 136163 | Mfg # 18-4009UPC # 30999563200


18-4009 Manifold End Plate for Mercruiser Stern Drives

Name Value
Compatibility Mercruiser Stern Drive
OMC Stern Drive
Type End Plates

Product Overview

Manifold end plates machined for quick installation.

Sierra parts are engineered to meet or exceed the specifications of marine engine manufacturers and have gained the confidence of the marine industry. Each Sierra manifold end plate is an exact OEM match and is leak tested for quality assurance. Mating surfaces are CNC machined to provide the best possible seal without additional preparation. Precision castings feature uniform wall thickness and are primed and painted to stand up to the marine environment. Look no further than a Sierra manifold end plate for a quick out of the box installation.

Key Features

  • Meets or exceeds manufacturer specifications
  • Machined mating surfaces allow installation without additional preparation
  • Each end plate features uniform wall thickness and is leak tested for quality assurance
  • Pre-painted to stand up to marine environment
  • Compatible with port or starboard sides
  • Requires gasket Sierra p/n 18-2832 or 18-2832-9 (2 pack)
  • Backed by SeaStar Solutions Limited Two-Year Warranty

 18-4009 Application Guide

ApplicationOEM Part Number
Johnson/Evinrude Outboard910384
Mercruiser Stern Drive60252A2, 60252, 52999
OMC Stern Drive910384

The Sierra Engine Parts Selector

In addition to manifild end plates, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.


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