The K&N 77-9036KP is a complete cold-air intake from the brand's 77 Series line, built for the 5.7L V8 in the Toyota Tundra. It replaces the factory air box, filter, and intake tube with a mandrel-bent aluminum tube that feeds the throttle body, and an oversized oiled cotton filter sits at the inlet. The manufacturer states the system is guaranteed to increase horsepower and torque. Compared with a stock airbox or a disposable paper element, the main long-term value is the washable filter. The manufacturer says it needs cleaning only about every 100,000 miles under normal highway driving, which means fewer replacement filters over the life of the truck. This is a strong pick for owners searching for a 5.7 V8 Tundra cold air intake, a K&N 77 Series intake, or a reusable oiled cotton air filter.
Confirm your model year before ordering. The manufacturer lists this kit for 2012-2019 Tundra trucks with the 5.7L fuel-injected V8, but published fitment data varies and some sources extend coverage through 2021, so check with K&N directly if your truck is a later model. Because the kit is designed to replace the factory intake tube and air box, the intake plumbing is the main job during installation. Owners who want the most accurate fit should match the part number 77-9036KP against their VIN or the manufacturer's application guide before purchase.
The manufacturer lists this kit for the 2012-2019 Toyota Tundra with the 5.7L V8. Published fitment data varies across sources, so confirm your specific model year with K&N before ordering.
The manufacturer says the oiled cotton filter only needs cleaning about every 100,000 miles under normal highway driving. Driving in dusty or off-road conditions may call for more frequent cleaning.
