27183076 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Driveshaft Housing Plate Gasket - Part Number: 27-183076

A genuine Quicksilver driveshaft housing plate gasket used on selected Mercury and Mariner V6 2.5L two-stroke, EFI, DFI / OptiMax, Pro XS, Racing and Jet outboard midsection assemblies. This gasket seals the driveshaft housing plate / exhaust plate interface and is commonly required during powerhead, driveshaft housing, exhaust plate or gasket-set service.

⚙️ Key Features

• Genuine Quicksilver OEM gasket

• Correct Mercury part number 27-183076

• Driveshaft housing plate gasket

• Used on Mercury / Mariner V6 2.5L two-stroke, EFI and DFI applications

• Related to 27-991734 and 27-991764 powerhead / driveshaft housing gasket service components

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-183076 current OEM service reference

OEM / Related Numbers:

• 27-183076

• 183076

• 27183076

• 27-18307-6

• 27-991734 related driveshaft housing gasket

• 27-991764 related cylinder block / powerhead gasket

• 26-41953 related seal

• 12-20553 related powerhead stud washer

• 11-69254 related powerhead stud nut

• 8M0039076 related upper exhaust tube seal

Aftermarket / Verified Equivalents:

• Aftermarket 27-183076 replacement gaskets exist for Mercury / Mariner V6 2.5L driveshaft housing plate applications

• No universal aftermarket equivalent should be used without confirming the engine serial and exhaust plate layout

🚤 Compatibility

Commonly used on:

• Mercury / Mariner V6 2.5L driveshaft housing and exhaust plate gasket applications

• Mercury DFI / OptiMax, EFI, Pro XS, Racing and Jet midsection gasket sets

Typically suits:

• Engine models:

• Mercury 110 Jet 2.5L - serial 1B690542 and up

• Mercury 110 Jet 2.5L gasket set components - serial 1B690542 and up

• Mercury 140 Jet - serial 0G960500 to 0T178499

• Mercury 140 Jet engine gasket set components - serial 0G960500 to 0T178499

• Mercury V-115 DFI 2.5L - serial 0G960500 to 0T178499

• Mercury V-135 - serial 0G960500 to 0T178499

• Mercury V-135 DFI 2.5L - serial 0G960500 to 0T178499

• Mercury V-135 DFI 2.5L - serial 0T178500 to 0T800999

• Mercury V-135 DFI 2.5L - serial 0T801000 to 1B226999

• Mercury V-135 DFI 2.5L - serial 1B227000 to 1B417701

• Mercury V-135 DFI 2.5L - serial 1B417702 and up

• Mercury V-140 International - serial 0T178500 to 1B226999

• Mercury V-150 - serial 0G960500 to 1B226999

• Mercury V-150 EFI - serial 0G960500 to 0T408999

• Mercury V-150 EFI 2.5L - serial 0T409000 to 0T800999

• Mercury V-150 EFI 2.5L - serial 0T801000 to 1B226999

• Mercury V-150 EFI 2.5L - serial 1B227000 and up

• Mercury V-150 DFI 2.5L - serial 0G960500 to 0T178499

• Mercury V-150 DFI 2.5L - serial 0T178500 to 0T800999

• Mercury V-150 DFI 2.5L - serial 0T801000 to 1B226999

• Mercury V-150 DFI 2.5L - serial 1B227000 to 1B417701

• Mercury V-150 DFI 2.5L - serial 1B417702 and up

• Mercury V-175 EFI - serial 0G960500 to 0T408999

• Mercury V-175 EFI 2.5L - serial 0T409000 to 0T800999

• Mercury V-175 DFI 2.5L - serial 0T178500 to 0T800999

• Mercury V-175 DFI 2.5L - serial 0T801000 to 1B226999

• Mercury V-175 DFI 2.5L - serial 1B227000 to 1B417701

• Mercury V-175 DFI 2.5L - serial 1B417702 and up

• Mercury V-200 - serial 0G960500 to 1B226999

• Mercury V-200 EFI - serial 0G960500 to 0T408999

• Mercury V-200 EFI 2.5L - serial 0T409000 to 0T800999

• Mercury V-200 EFI 2.5L - serial 0T801000 to 1B226999

• Mercury V-200 EFI 2.5L - serial 1B227000 and up

• Mercury XR-6 / Magnum III - serial 0G960500 to 1B226999

• Mercury 150 Pro XS 2.5L - serial 1B690542 to 2B535572

• Mercury 175 Pro XS 2.5L - serial 1B516339 to 2B535624

• Mercury 200XS DFI 2.5L - serial 0T235000 to 0T818180

• Mercury 200XS DFI 2.5L - serial 0T818181 to 1E000796

• Mercury 200XS DFI 2.5L - serial 1E000797 to 1E002110

• Mercury 200XS DFI 2.5L ROS - serial 1E050852 and up

• Mercury 200XS SST - serial 1E050629 and up

• HP Range: commonly 110 Jet through 200XS / 225HP-class V6 applications where specified

• Engine Type: Mercury / Mariner V6 2.5L two-stroke, EFI, DFI / OptiMax, Pro XS, Racing and Jet outboard

• System Type: Driveshaft housing plate / exhaust plate gasket

🔌 Function

The gasket seals the driveshaft housing plate and exhaust plate joint, helping prevent exhaust leakage, water leakage and contamination at the midsection interface.

Common signs of failure:

• Exhaust leakage around midsection or exhaust plate

• Water leakage at the driveshaft housing joint

• Salt or corrosion tracking around gasket surface

• Gasket damaged during powerhead or exhaust plate removal

• Replacement required during powerhead, adapter plate or driveshaft housing service

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging