Lambda Sensor LAM1042 by AHG — high-quality replacement part in the Lambda Sensor category. AHG has been a trusted specialist in diesel particulate filters and catalytic converters for many years, focused on efficiency and environmental performance. The lambda sensor measures residual oxygen in the exhaust gas to keep the air-fuel mixture optimal. A faulty sensor causes higher fuel consumption, rough idling and an illuminated engine light. ✅ New part, never used ✅ 1-year parts warranty ✅ Systematic quality control before shipping ✅ Fast, careful shipping Fastparts is your specialist for engine, fuel injection and exhaust system parts: injectors, turbochargers, catalytic converters and diesel particulate filters. With locations in Brussels and Nazareth, you can order online, buy offline or collect and pay on site. Competitive prices, expert advice and fast delivery.