Boat owners, listen up! Keeping water out of your engine is crucial, and these fuel water separating filters are your first line of defense. This 2-pack gives you exactly what you need - Sierra 18-7865 compatible filters that work perfectly with Yamaha Mini-10 10-micron outboard engines. The specs? They measure 2.99 inches in outer diameter, 4.72 inches tall, with 13/16-18 UNEF threads. These aren't just compatible with Yamaha - they also replace Mallory 9-37808, Sierra 18-7865, MAR-MINIF-IL-TR, and MAR-MIOAS-00-00 models. Here's the deal: you need to regularly check and replace these filters to prevent water from sneaking into your engine system. Nothing ruins a perfect day on the water like engine trouble from contaminated fuel. Each package comes with two filters, so you've got a spare ready to go. Got questions about the product? We're here to help anytime. We want you to have a great experience with our products, and we appreciate you choosing us for your marine needs. Keep your engine running smooth and water-free with these reliable filters!