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Piston for Cummins ISX1 / ISX2 4923745
4923745CumminsISX1Ask fitment -
Piston for Cummins QSX Tier 3 4357149
4357149CumminsQSXAsk fitment
Premium For Cummins Parts
organizes aftermarket replacement parts by brand, engine model, equipment type, and OE/reference number so buyers can narrow the catalog before ordering.
Before adding parts to cart, compare the product photo, SKU, machine application, and engine model. If any match is uncertain, use fitment support before payment.
How to confirm the right part
Send the old part photo, nameplate, OE number, destination country, and quantity. Support can then confirm fitment and shipping details against the item you selected.
Fitment & OE Reference Support
Browse available items for Cummins applications. DIESEL IZUMI helps match replacement parts by OE reference number, engine model, machine model, and product photos before ordering.
Not sure which part fits? Send the OE reference number, engine model, machine model, quantity, destination country, and product photos when available.
Ask For Fitment Support