This is a CAT Body Stl As-Piston, a vital part of the engine's fuel injection system, specifically designed to work within the fuel injector assembly. Manufactured to precise OEM specifications, it ensures accurate fuel delivery and atomization, crucial for efficient combustion and engine performance, unlike a worn component that can lead to poor fuel economy and emissions. Observable symptoms of a failing piston in the fuel system include rough engine idling, a loss of engine power, increased exhaust smoke, and potentially difficulty starting the engine.
Always verify with serial number before ordering.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
From the same category — may also be needed
Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India
Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A failing fuel injector piston body may initially cause subtle changes like a slight increase in exhaust smoke or a minor reduction in engine smoothness during operation. If left unaddressed, the engine may begin to misfire, experience a significant loss of power, and exhibit poor fuel economy. The ultimate consequence can be severe engine damage due to uneven combustion or fuel system failure.
Ensure the fuel injector assembly is completely clean during disassembly and reassembly to prevent any contamination from entering the precision fuel system. Always use new seals and O-rings when reinstalling the fuel injector.
When replacing a fuel injector piston body, it is recommended to inspect and potentially replace other injectors in the same engine bank, as well as the fuel filter.