Walker Vehicle Speed Sensor 01-18 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P

Is your speedometer dropping out, your transmission shifting erratically, or your cruise control not working as it should? The Walker Vehicle Speed (VSS) Sensor restores the accurate speed signal your truck depends on for smooth, reliable operation. This sensor monitors drivetrain output speed and sends that information to your ECM and transmission controller, so everything from shift timing to speedometer function works correctly. When it fails, you can experience harsh shifting, incorrect speed readings, or inconsistent drivability. Replacing it with this direct-fit solution brings back smooth gear changes, accurate speed data, and dependable performance whether you're daily driving or towing heavy loads. Built for long-term durability in demanding automotive environments, this sensor is manufactured with high-quality, OE-matched materials that withstand heat cycling, vibration, and exposure to road debris and contaminants. Its internal components are engineered to deliver a stable signal output over time, ensuring consistent communication with the vehicle's control modules and preventing erratic readings that can cause drivability issues. Each unit is fully tested to OE specifications for fit, form, and function, delivering reliable installation, long service life, and dependable performance in tough driving conditions.