SIERRA 118-2772-1 Complete Gearcase Repair Kit

Compatible Engines

The SIERRA 118-2772-1 gearcase repair kit is a vital component for maintaining the drive system integrity in boats equipped with SX Cobra type transmissions. This high-quality replacement part is engineered to ensure reliable operation of the propulsion system under challenging marine conditions. Due to the nature of the aftermarket parts industry and the fact that official data does not provide an unambiguous list of compatible engine models, verifying fitment is essential before purchase.

Do not assume that this part fits any boat without verification. We recommend comparing the catalog number 118-2772-1 with the part number in your engine manual or the OE (Original Equipment) number. If you have any doubts regarding compatibility with a specific propulsion model, contact our customer support. Our experts will help you confirm whether this SIERRA repair kit is the right solution for your boat, preventing unnecessary returns and saving your valuable time.

Installation and Operation

• Original Replacement Quality – SIERRA products are manufactured according to strict standards, ensuring durability and precision equal to OEM parts.
• Kit Completeness – The package includes all necessary sealing components and wear parts, eliminating the need to purchase additional components.
• Corrosion Protection – The materials used are resistant to both salt and fresh water, extending gearcase life and protecting against costly failures.
• Easy Installation – Precisely manufactured parts facilitate the repair process, even for those with basic technical knowledge, provided instructions are strictly followed.

During replacement, we recommend thoroughly cleaning gearcase components from deposits and old grease. Using appropriate waterproof grease for seals is essential to ensure tightness. Regular maintenance using kits like 118-2772-1 is the best investment in safety and boating comfort.