My Account
Shopping Cart

Sierra 18-4392 MerCruiser Intake & Heavy Duty Engine Gasket Set

Manufacturer

Part Number

18-4392
Sale Price

$251.98

2 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-4392 is a comprehensive intake and heavy-duty engine gasket set engineered to meet OEM specifications for MerCruiser MCM and MIE stern drive engines equipped with GM V-8 305 and 350 CID powerplants (1986 and older). It directly replaces Mercury Marine OEM part number 27-75611A2 and delivers a complete sealing solution for overhaul or rebuild work.

Kit Includes:

  • (1) 18-0868 Intake Manifold Gasket — replaces OEM # 27-20157145
  • (2) 18-0872 Exhaust Manifold Gasket — replaces OEM # 27-33395
  • (2) 18-2848 Quadrajet Base Gasket — replaces OEM # 27-52457-2
  • (2) 18-3876 Head Gasket — replaces OEM # 27-75611
  • (1) 18-2553 Thermostat Gasket — replaces OEM # 27-47510
  • (1) 18-2844 Thermostat Cover Gasket — replaces OEM # 27-488182015
  • (2) 18-2554 Thermostat Cover Gasket — replaces OEM # 27-41812
  • (1) 18-2917 Lower Thermostat Housing Gasket — replaces OEM # 27-530452015
  • (2) 18-2845 Valve Cover Gasket — replaces OEM # 27-20151999
  • (16) 18-0518 Valve Stem Seals

OEM Replacement: Replaces Mercury Marine part number 27-75611A2. Compatible with MerCruiser MCM/MIE GM V-8 305 and 350 CID engines (1986 and older), including the following models: 898 (198 HP), 200, 228, 230/260 (Inboard), 230, 250, 255, 260, 280, and 5.7L Ski.

Sierra engine gaskets are manufactured to original equipment materials and dimensional specifications, ensuring proper fit, compression, and sealing performance during installation. This kit provides all the critical gaskets needed for an intake manifold service or top-end engine rebuild in a single, convenient package.

Easy order I guess I'll see hopefully my part gets here soon

So far so good...

Easy

Great seller. I ordered a banks intake system for my 2001 silverado and I recieved exactly what I ordered. I'm very happy with this seller as a matter of fact I would be ordering my exhaust system from them. Besides they had the best price

Bought a Husky gearbox for my Silverado, great price and a great product. Install was simple and the fit was perfect. Gone are the days of opening the rear door and all the items under the seat sliding out. Great for my hitch, tow straps, jumper cables and other miscellaneous must haves in a truck. Great seller the price was the best on the net even with shipping. Item arrived quick and in perfect shape. Thanks!!

I was looking for KC lights for my jeep, not only CI they have just the ones I was looking for, they were half the price of any local auto shop! Shipping costs were very low to. Thanks!

Fast, lowest price and in stock battery.

Wow...best price on the internet and receiving order in four days!<br>Very impressed

No problems ordering.

thanks it was simple

User friendly, no problems hopefully product will be exactly what was ordered!

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy