We are offering diesel additive: for all common diesel engines with or without a catalyst. Loosens and removes deposits particularly within injector pumps and injection nozzles cleans and protects from fuel tank to combustion chamber reduces fuel-induced knocking. foam sealant, wurth silicone spray, wurth diesel additive, wurth petrol additive, wurth assorted copper washer, grease nipples, wurth dowell pin, stainless steel coating, ss coating spray, ss 316 coating, crc inox 200, food grade chain lubricant, high temperature chain lubricant.