9N5250 Piston Body for Caterpillar D7F Tractor

9N-5250 Piston Body for Caterpillar 3304 3306 Engine

The 9N-5250 piston body is supplied as an aftermarket replacement engine piston body for Caterpillar 3304 and 3306 diesel engines. It is used during engine repair, piston replacement and overhaul work where the original piston body is worn, damaged or no longer suitable for continued service.

This product page focuses on the 9N-5250 / 9N5250 piston body itself. Before ordering, please confirm the engine model, old piston part number, piston pin specification and engine arrangement to avoid mismatch during repair.

Application for Caterpillar 3304 and 3306 Engines

The 9N5250 piston body is mainly used for Caterpillar 3304 and 3306 engine applications. These engines are commonly found in construction machinery, tractors and industrial equipment. Because Caterpillar engine parts may vary by serial number and arrangement, the old piston sample or engine nameplate should be checked before purchase.

Replacement and Inspection Notes

During installation, inspect the cylinder liner, piston ring groove, piston pin, connecting rod bushing and combustion chamber condition at the same time. If the piston body is replaced during an overhaul, related cylinder components should also be checked to ensure correct clearance and stable engine performance after assembly.

Order Confirmation

To confirm the correct 9N-5250 piston body, please send the engine model, machine model, engine serial number, old piston part number and clear photos of the original piston. Topvelsun can help check the fitment before quotation and shipment.

FAQ

Q1: What is 9N-5250 used for?

9N-5250 is an engine piston body used for Caterpillar diesel engine repair and overhaul applications, especially for 3304 and 3306 engine-related replacement work.

Q2: Is 9N-5250 the same as 9N5250?

Yes. 9N-5250 and 9N5250 are two common writing formats for the same part number. The hyphen is often omitted in supplier listings and customer searches.

Q3: Can this piston body be used for Caterpillar 3304 and 3306 engines?

This 9N5250 piston body is supplied for Caterpillar 3304 and 3306 engine applications. Please confirm the engine serial number, arrangement and old piston part number before ordering.

Q4: Should I order only the piston body or a complete piston kit?

This page is for the piston body. If you also need piston rings, pin, clips or cylinder kit components, please send the old sample photos and engine information so the matching parts can be checked separately.

Q5: What information is needed before quotation?

Please provide the engine model, machine model, engine serial number, old piston part number and photos of the piston crown, skirt and pin hole. These details help confirm the correct replacement.