Make sure this part number fits your vehicle. The NEW Genuine Paccar Kenworth Gen 3 Secondary Air Pressure Gauge Q43-1144-123K is a high-quality replacement part designed specifically for Paccar trucks. With the manufacturer part number Q43-1144-123K, this air pressure gauge ensures accurate monitoring of secondary air pressure, providing essential information for optimal vehicle performance. Perfect for those looking to replace a faulty or worn-out gauge in their Kenworth Gen 3 truck, this genuine Paccar product guarantees reliability and compatibility with the vehicle's system.