Upgrade your Mitsubishi Endeavor's oxygen sensor system with our 4PCS Higherbro kit, designed specifically for 2004-2008 and 2010-2011 models with a 3.8L engine. This comprehensive set includes 2 upstream and 2 downstream sensors, ensuring comprehensive coverage for your vehicle's needs. Crafted from durable stainless steel, these sensors are built to withstand high temperatures up to 1200°F (1.2E+3°F), providing reliable performance and longevity. The push-pull output type ensures seamless integration with your vehicle's systems. Enjoy peace of mind with a one-year quality guarantee, and ensure a perfect fit by checking the 'Select Your Vehicle' tool before purchasing.