OMC 0323889 Pinion Shim .003

( Manufacturer Part Number: 0323889 ), ( Part Type: Pinion ), ( Country Of Origin: United States )

Review OMC .003 Inch Pinion Shim fits COBRA

The OMC 0323889, also known as part number 323889 and cross-referenced as OEM number 003, is a crucial component in the functioning of MerCruiser's Cobra outboard drives. This pinion shim is specifically designed to ensure the optimal alignment and smooth operation of the pinion gear within the gearcase.

Measuring approximately 0.12 inches (3.175mm) in thickness and featuring a rectangular shape with rounded edges, this shim is meticulously crafted from high-quality, corrosion-resistant material. Its primary role is to provide the necessary clearance between mating surfaces, allowing for proper engagement and smooth rotation of the pinion gear.

The OMC 0323889 pinion shim is an essential replacement part for MerCruiser Cobra outboard drives, especially when dealing with common issues such as gear noise, vibration, or misalignment. Installing this shim can significantly improve the overall performance and longevity of your outboard drive system.

To install the pinion shim, simply remove the old shim or worn-out material from between the pinion gear and the gearcase. Clean the surfaces thoroughly to ensure proper adhesion. Once the surfaces are prepared, carefully slide the new OMC 0323889 shim into place, taking care not to damage or deform it. Finally, reassemble the gearcase and test the outboard drive for proper functioning.

In summary, the OMC 0323889 pinion shim is a vital component for MerCruiser Cobra outboard drives, designed to maintain proper alignment and smooth operation of the pinion gear. Its high-quality, corrosion-resistant material ensures durability and reliability, making it an essential replacement part for boat owners.

The OMC 323889 003 pinion shim for Cobra outboard motors is a small part that plays a crucial role in the proper functioning of the gearbox. Here are some potential pros and cons of buying this part:

1. Improved Performance: A worn-out or incorrectly sized pinion shim can cause gear noise, vibration, and poor performance. Replacing it with a new, correctly sized shim can help reduce these issues and improve overall engine performance.

2. Longer Motor Life: By addressing the issue of a worn-out or incorrectly sized pinion shim, you can help prevent more significant and costly repairs down the line.

3. OEM Quality: This OMC pinion shim is a genuine OEM (Original Equipment Manufacturer) part, meaning it is designed and manufactured by the same company that originally built your motor. This can provide peace of mind that the part is a good fit and will function as intended.

1. Cost: Replacement parts, even for something as small as a pinion shim, can add up over time. Depending on your budget, the cost of this part may be a consideration.

2. Installation Complexity: Installing a pinion shim can be a bit more complex than some other repairs. It may require specialized tools and a good understanding of outboard motor mechanics.

3. Availability: Depending on your location and the availability of parts from local dealers, you may need to order the part online and wait for it to be shipped.

In conclusion, the OMC 323889 003 pinion shim for Cobra outboard motors is an essential part that can help improve performance, extend motor life, and ensure proper gearbox function. While there are some cons to consider, such as cost and installation complexity, the benefits of a new, correctly sized shim generally outweigh the negatives. If you're experiencing gearbox issues or want to prevent potential problems down the line, replacing this part may be a worthwhile investment.

If you're in the market for a pinion shim for your Cobra outboard motor and are experiencing gearbox issues or want to prevent potential problems, I would recommend purchasing the OMC 323889 003 pinion shim. Make sure to follow the installation instructions carefully and use the appropriate tools to ensure a proper fit and function.

Details:

NEW OMC 323889 0323889 .003 Pinion Shim Cobra.

part #: 0323889 prices

• $7.36-$14.99

specifications otsterndriv:

• for models: Cobra
• for makes: Omc
• mpn: 0323889
• part type: Pinion
• country of origin: United States

returns otsterndriv:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

seller otsterndriv:

• rating: 100.0%
• # reviews: 2729
• city: Cedar Springs, Michigan

payments otsterndriv:

• other
• credit card: Visa
• wallet: Apple-pay

general otsterndriv:

• Boat Parts > Sterndrive Motors Components > Other
• condition: New

offer otsterndriv:

• options: Ship-to-home
• quantity: 4
• sold: 0
• availability: In Stock
• started: February 21, 2026

shipping otsterndriv:

• type: Calculated
• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage
• transit: 4-9 Days
• class: Standard

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