October 29, 2026
Cylinder liner is a key wearable part of CAT excavator engine. After long-term friction with the piston, excessive wear will lead to oil burning, power loss and air leakage, which directly reduce working efficiency. Guangzhou Pinxin Engine Co., Ltd. supplies genuine CAT cylinder liners. We are only a parts dealer without R&D or customization service, with stable genuine supply and competitive price.
![]()
Our genuine cylinder liners fit popular engine models including 3304, 3306, C6.6, C9, C13, C15. Matching pistons and piston ring overhaul kits are also available in stock. Inspect liner wear regularly and replace with genuine parts on schedule to extend engine service life and lower downtime risk.
If you need to check CAT original part numbers or get a bulk quotation, please contact us online.