Caterpillar 211-7826 Cylinder Liner

Specifications

OEMCaterpillar
Part typeCylinder liner (wet liner)
Engine applicationCaterpillar 3500 family — 3508, 3512, 3516 (incl. 3512B); Marine, Genset, Industrial, Locomotive, Vehicle configurations
Bore size170 mm
SupersessionNewer part number 523-8663; this liner replaces older 110-6993, 8N-6861 and 118-9494
Condition optionsNew genuine Caterpillar or new aftermarket replacement (12-month warranty on aftermarket)

Technical notes

The 211-7826 is a 170 mm-bore cylinder liner for Caterpillar's 3500 family of large-bore diesel and gas engines, including the 3508, 3512 and 3516 (and the 3512B marine variant). The liner is a replaceable wet sleeve pressed into the engine block; the piston and ring pack run against its honed cross-hatched bore, which the iron casting protects against wear while transferring combustion heat to the surrounding coolant jacket. One liner is required per cylinder. Caterpillar has assigned newer part number 523-8663 to this position, and 211-7826 itself supersedes the earlier 110-6993, 8N-6861 and 118-9494 liners. When ordering, confirm the specific 3500-series build and configuration, since the family spans diesel, gas (G3500) and marine ratings, and pair the liner with the correct seals and packings during installation.

Compliance

Material certification and OEM traceability documentation available on request to confirm genuine Caterpillar sourcing versus aftermarket equivalents.

Compatibility

Other parts in this series

Related

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Frequently asked questions

Does the 211-7826 cylinder liner fit a 3512B marine engine?
Yes. Distributors list 211-7826 for the Caterpillar 3500 family — 3508, 3512 and 3516 — including marine configurations, which covers the 3512B marine engine. Confirm your specific engine serial/build before ordering.
Is 211-7826 still current, or has it been replaced?
Caterpillar has assigned newer part number 523-8663 to this liner position. The 211-7826 number itself replaced earlier liners 110-6993, 8N-6861 and 118-9494. All reference the same 170 mm cylinder liner.
What is the bore size of this liner?
The 211-7826 liner has a 170 mm bore, matching the 3500-series cylinder dimension.
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