0553126 Evinrude Johnson O-Ring | Genuine OEM BRP Outboard Part

🔧 Product Description

Genuine OMC Sterndrive Upper Gearcase Housing O-Ring - Part Number: 0553126

A genuine OMC housing O-ring for selected early OMC Stringer sterndrive upper gearcases.

The O-ring seals the specified bearing or gear housing joint, preventing gear lubricant from escaping and helping stop water from entering the upper gearcase.

⚙️ Key Features

• Genuine OMC OEM housing O-ring
• Correct OEM part number 0553126
• Common unprefixed number 553126
• Used in selected Stringer upper gearcase assemblies
• Oil- and water-resistant elastomer construction
• Precision housing-seal profile

🚤 Compatibility

Verified examples include selected

• 1968 OMC 120HP sterndrive upper gearcases
• 1977 OMC low-profile 120HP upper gearcases
• 1977 OMC low-profile 140HP upper gearcases
• 1977 OMC low-profile 175HP upper gearcases
• 1977 OMC low-profile 190HP upper gearcases
• 1977 OMC low-profile 235HP upper gearcases
• Additional OMC Stringer drives whose upper-gearcase diagram specifies 0553126

Important fitment note

• This is an OMC sterndrive part rather than a typical Evinrude or Johnson outboard O-ring.
• Confirm the sterndrive model number and upper-gearcase diagram.
• Do not substitute an O-ring based only on approximate diameter.

🔌 Function

The O-ring seals the housing joint against gear lubricant loss and water intrusion.

Installation considerations

• Clean the O-ring groove
• Inspect the housing for corrosion
• Use the specified O-ring lubricant
• Do not stretch or twist the O-ring
• Confirm the O-ring remains seated during assembly
• Tighten the housing evenly
• Pressure- and vacuum-test the drive
• Replace contaminated lubricant

⚠️ Common Signs of Failure

• Gear oil leaks from the housing joint
• Water enters the upper gearcase
• Gear lubricant becomes milky
• O-ring is flattened or brittle
• Housing surfaces are corroded
• Internal bearings become noisy
• Pressure or vacuum test fails

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 0553126
• 553126
• OEM Description: O-Ring, Housing
• Upper-gearcase bearings, seals and gasket components vary by sterndrive model

Aftermarket / Verified Equivalents

• No verified individual aftermarket equivalent
• May be included in selected aftermarket OMC upper-gearcase seal kits

📦 Condition

• Genuine OMC OEM part
• Brand new
• Supplied in genuine or equivalent protective packaging