Sourced from NGK, this glow plug (9957) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Voltage [V]: Ceramic, 0 V, Connector type: PIN, Thread Size: M10 x 1, 0, Resistor [Ohm]: 0, Cast Iron Ohm, Overall Length [mm]: 132, Carbon mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit MERCEDES-BENZ models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 001 159 56 01, 001 159 68 01, 0 250 703 057, 886186 and 10 more. Matching these numbers confirms a like-for-like replacement with no loss of function. NGK is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

NGK Spark Plug Co., founded in 1936 in Nagoya, Japan, is the world's largest manufacturer of spark plugs and a major producer of oxygen sensors. NGK specialises in spark plugs, glow plugs, ignition coils, and lambda sensors for petrol and diesel engines. As the OE supplier to the majority of global car manufacturers, NGK products deliver reliable ignition and precise emissions control. Trusted in Formula 1 and everyday motoring, NGK is the benchmark for ignition system quality and performance.