Arm Cylinder Seal Kit K9002308 for Doosan DX140 Excavator Hydraulic Repair Parts

Arm Cylinder Seal Kit K9002308 for Doosan DX140 Excavator Hydraulic Repair Parts

High-quality arm cylinder seal kit for Doosan DX140 excavator. Direct replacement with 12-month warranty.

Product Specifications

Product Description

The K9002308 Arm Cylinder Seal Kit is a complete set of hydraulic seals designed for the arm cylinder of Doosan DX140 excavators. This kit includes all necessary seals—such as piston seals, rod seals, wiper seals, and O-rings—to restore the hydraulic cylinder's sealing performance and prevent hydraulic oil leaks.

This is a brand new, 100% tested replacement seal kit that serves as a direct replacement for the original unit. Each seal is manufactured from high-quality NBR, PU, or PTFE materials with precision-machined dimensions, featuring excellent resistance to hydraulic oil, high pressure, and wear for reliable and long-lasting cylinder operation.

Why Choose Us

✅ OEM Equivalent Standard quality at competitive price

✅ 12-month warranty

✅ Fast lead time 3-5 days

✅ Strict QC inspection

✅ Custom packaging available

FAQ

Q: What parts are included in this arm cylinder seal kit?

A: This complete set contains rod seals, piston seals, wiper scraper seals, buffer rings, wear rings and matching O-rings. They jointly block hydraulic oil leakage and sustain stable pressure for the dipper arm cylinder.

Q: What signs indicate worn cylinder seals?

A: Obvious hydraulic oil leakage on cylinder rod, slow & weak arm action, insufficient digging power, cylinder drift under load, and hydraulic system overheating caused by internal oil bypass.

Q: OEM or aftermarket?

A: High-quality aftermarket Meets OEM Original Specifications.

Q: What is the lead time?

A: In stock items ship within 3-5 days. Bulk orders may take 7-15 days depending on quantity.

Q: What payment methods do you accept?

A: We accept T/T (Telegraphic Transfer). Other payment methods may be available upon request for qualified buyers.

Q: Packaging options?

A: OEM, neutral, or custom packaging available.

About Guangzhou Qianchuan Machinery Parts Co., Ltd.

广州千川机械配件有限公司 — 13+ Years experience, 6500+ spare parts items, exported to over 200 countries. OEM & aftermarket parts for excavators, loaders, and forklifts. Specializing in Cat, Komatsu, Kubota, Sany, XCMG, Doosan, and more.

Contact us for wholesale pricing!

WhatsApp: +86 15360646166

Tim@partsforexcavator.com | www.partsforexcavator.com