7E-3428 Engine Piston for Caterpillar 3100 Series

7E3428 Piston Body for Caterpillar 3116 3126 Engine

The 7E3428 piston body is supplied as an aftermarket replacement engine piston for Caterpillar 3116 and 3126 diesel engine applications. 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 7E3428 / 7E-3428 piston body itself. Before ordering, please confirm the engine model, old piston part number, piston diameter, chamber size and whether your repair requires piston pin, rings, clips or a complete piston set.

Application for Caterpillar 3116 and 3126 Engines

The 7E-3428 engine piston is mainly supplied for Caterpillar 3116 and 3126 diesel engine applications. It is also searched together with Caterpillar 3100 Series engine repair parts and machine applications such as IT28F, 320 L and 918F. Because Caterpillar piston specifications may vary by engine arrangement and serial number, the old piston sample or engine nameplate should be checked before purchase.

Replacement and Inspection Notes

During installation, inspect the cylinder liner, piston ring grooves, piston pin, connecting rod bushing and cylinder clearance at the same time. If the piston body is replaced during an engine overhaul, related components such as rings, pins, clips and liners should also be checked to ensure correct assembly and stable engine performance.

Order Confirmation

To confirm the correct 7E3428 piston body, please send the engine model, machine model, engine serial number, old piston part number and clear photos of the original piston crown, skirt and pin hole. Topvelsun can help check the fitment before quotation and shipment.

FAQ

Q1: What is 7E3428 used for?

7E3428 is an engine piston body used for Caterpillar diesel engine repair and overhaul applications, especially for 3116 and 3126 engine-related replacement work.

Q2: Is 7E3428 the same as 7E-3428?

Yes. 7E3428 and 7E-3428 are two common writing formats for the same Caterpillar piston body part number. The hyphen is often omitted in supplier listings and customer searches.

Q3: Can this piston body be used for Caterpillar 3116 engine?

This 7E3428 piston body is supplied for Caterpillar 3116 engine applications. Please confirm the engine serial number, piston diameter, chamber size and old piston part number before ordering.

Q4: Does this product include piston rings and pin?

This page is for the piston body. If you also need piston rings, piston pin, clips or a complete piston set, please confirm the required parts before quotation.

Q5: What information should I provide before buying?

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.