Part Number 8S3970 having (CAGE Code 11083) and FSC 2815 Diesel Engines and Components in stock with ready to ship. Get an instant quote for 8S3970 Chamber Precombustion by Caterpillar Inc. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.