About this item

• MARINE TECH TOOLS 38MM PIN SPANNER WRENCH (AMT0304) - Includes the wrench body and 6 spare L-4mm pins. Fits SeaStar HS5157 steering cylinder rebuilds, Yamaha V6 four-stroke center tilt caps, Non-VMAX Yamaha 2-strokes 225hp and up, and Yamaha F150 tilt caps (2011 and newer). Replaces Yamaha YB-06548 and SeaStar HS5157 steering gland tools. Upgrade to the original AMT0004.
• LOCKS IN, WON'T KICK OUT UNDER LOAD - The sleeve-and-receiver system uses the outboard's weight to lock in, run full breaker bar torque without slipping. Needs the AMT0170 sleeve, sold separately. 1/2" socket drive fits breaker bars, torque wrenches, and impact drivers.
• RATED TO 200 FT-LB MINIMUM YIELD - Proprietary material and heat treatment give the pins that rating. Polished marine-grade stainless steel resists saltwater corrosion. Replacement L-4 pins (AMT0050) sold separately.
• ENGINEERED BY BOATERS, FOR BOATERS - We make marine-specific tools and parts that fit your boat, minimize downtime, and keep you on the water. Steering bleeds, powerhead rebuilds, outboard swaps. Whether you're a weekend warrior or a pro mechanic, these are the tools that actually work.
• SMALL FAMILY-OWNED BUSINESS, LIFETIME WARRANTY - Based in Charleston, South Carolina. We've been building marine tools for boat owners and mechanics since 2015. If it breaks from normal use, we replace it.