Quicksilver 879346T30 Upper Gear Spacer Shim

Compatible Engines

The Quicksilver 879346T30 Upper Gear Spacer Shim is a critical structural component designed to ensure precise alignment and stability of the drive mechanism. As an original replacement part manufactured by the renowned Quicksilver brand, it guarantees top-tier build quality and strict adherence to factory specifications. This part is dedicated to gear systems, including popular models from the Mercruiser Alpha One Gen II series, where it serves to protect against unwanted play and premature wear of other sub-components.

Since detailed compatibility lists for specific engine models are not available in the source data, it is crucial to verify part fitment by the catalog number 879346T30 or the original OE (Original Equipment) number. Differences in model years or engine versions can affect the required shim thickness. If you have any doubts regarding compatibility with your specific outboard motor, we strongly recommend contacting our store support. Our specialists will help you verify the serial number and select the perfect part, saving you from incorrect purchases and returns.

Installation and Maintenance

Replacing the upper gear spacer shim is a procedure that requires precision and attention to detail. Regular inspection of the upper gear spacer shims is essential for maintaining optimal engine performance. Worn shims can cause vibrations, improper gear shifting, and accelerated wear of bearings and seals. During installation, always use new seals and recommended lubricants to ensure tightness and smooth operation. Using the original Quicksilver 879346T30 is an investment in the longevity of your engine.

• Original Quicksilver Quality – guarantee of durability and compliance with manufacturer standards.
• Precise Manufacturing – ideal dimensional fit prevents play in the gearbox.
• Extends Drive Life – protects more expensive components from premature wear.
• Easy Identification – catalog number 879346T30 simplifies part selection.