Toyota RAV4 owners, if you're seeing coolant leaks or your upper radiator hose looks cracked and worn, this replacement is exactly what you need. It's designed specifically for 2009-2012 RAV4 models with the 2.5L 4-cylinder engine. The part numbers match perfectly - replaces OEM 16571-0V020 and 165710V020. The hose is made from premium materials that can handle engine heat and coolant chemicals without deteriorating. Installation is straightforward - it's a direct replacement that connects between your radiator and engine exactly where the old hose was. You'll need to drain some coolant first, then loosen the clamp connections, swap the hoses, refill with coolant, and bleed any air from the system. The fit is precise - no modifications or struggling to make it work. This is one of those maintenance items that's smart to replace preventatively if your RAV4 has higher mileage, since a failed coolant hose can leave you stranded. The construction feels solid - good rubber quality that won't collapse under suction or bulge under pressure. Much more affordable than getting the same part from the dealership. Whether you're fixing a current leak or doing preventative maintenance, this hose will keep your cooling system working properly for years to come. Definitely recommend replacing the coolant at the same time if it's been a while since your last flush.