The NGK NTK EH0055 Engine Crankshaft Position Sensor is a high-quality replacement part designed to accurately measure the position of your engine's crankshaft. This vital sensor plays a crucial role in your vehicle's ignition system, providing essential data to the engine's onboard computer. It's a direct replacement for Walker Products 235-1456, Bosch CARQUEST S194, and DENSO Standard BWD 85-51, ensuring compatibility and reliability. Crafted with precision, this sensor is backed by a manufacturer warranty of 3 years or 36,000 miles, offering peace of mind with its purchase. Its compact design, with dimensions of 4.000 inches in length, 4.630 inches in height, and 1.880 inches in width, allows for easy installation without the need for extensive modifications. With a free core charge and no additional core charge, this NGK brand sensor is a cost-effective choice for maintaining your vehicle's performance.