Genuine Cummins Cyliner Liner 5486581F For Cummins ISG11 ISG12 QSG12 X12 Engines

A: The 5486581F cylinder liner is specifically engineered for heavy-duty Cummins diesel engines, including the QSM11, ISG, and QSG series (also widely applied in heavy machinery, mining, and industrial power generation).

Tip: Engine configurations can vary. We strongly recommend sharing your Cummins Engine Serial Number (ESN) with our team prior to ordering to ensure 100% exact fitment.

A: Yes. Our 5486581F cylinder liners are manufactured strictly in accordance with original Cummins technical specifications, dimensions, and material grade standards. They serve as a direct, high-reliability replacement for OEM parts during engine overhauls.

A: The liner is cast from premium high-strength alloy iron/ductile iron, offering exceptional tensile strength and heat resistance. The outer cylinder surface undergoes specialized anti-cavitation treatment, while the inner bore features precision cross-hatch honing to ensure optimum oil film retention and drastically reduce piston ring friction and scuffing.

A: Both options are available! You can purchase the 5486581F liner individually, as a liner with seal ring kit, or as a full Engine Overhaul Kit (including matched pistons, rings, gudgeon pins, and complete engine gasket sets) for a seamless rebuild.

A: Engine liners are highly precision-machined parts. Each 5486581F liner is coated with heavy-duty anti-rust oil, vacuum-sealed in moisture-proof plastic packaging, packed in an individual shock-resistant box, and finally reinforced in export-standard wooden cases or pallets.

A: For in-stock Cummins replacement parts, our MOQ is 1 piece/set (ideal for urgent maintenance or sample verification). For wholesale or container-load trade orders, our standard lead time is 5 to 15 business days depending on order quantity.