Nissan and Infiniti owners, this TRQ ignition coil boot kit is exactly what you need for proper engine maintenance! You get four complete coil boots in the set, which is perfect since these should always be replaced in sets to ensure even wear and consistent performance. The compatibility is extensive - it works with various Nissan Altima, Rogue, Sentra, Versa, NV200, Cube, and Pathfinder models from 2007-2021, plus Infiniti QX60 from 2014-2017. The boots are made from high-quality rubber, silicone, or phenolic resin materials that prevent premature wear and protect your expensive ignition components. The application-specific design means no modifications are needed - they're direct replacements that fit perfectly right out of the box. TRQ recommends replacing these boots every 50,000 miles or whenever you remove the ignition coils, which is smart preventative maintenance that can save you from costly repairs down the road. The reference numbers cover all the major brands, so you can cross-reference with confidence. TRQ tests all their products in their Massachusetts R&D facility to ensure trusted, reliable quality that performs as expected. The installation is straightforward if you're comfortable with basic automotive maintenance, and having fresh boots ensures proper spark delivery and protects your ignition coils, ECU, and sensors from damage. Whether you're dealing with misfires, doing routine maintenance, or just being proactive about your vehicle's health, this coil boot kit delivers the quality parts you need at a reasonable price. Your engine will run smoother and more efficiently with properly functioning ignition components, and this kit makes that maintenance easy and affordable.