Discover the high-quality CANDLES 1245-3388, 1230-1641, and 1245-3556 spark plugs designed for ERPILLAR engines CG 170 V12, V16, and V20. These prechamber spark plugs offer advanced anti-corrosion properties, improved fuel economy, and a competitive price. Perfect for MWM TCG 2020 and CG 170 natural gas engines.