1915604 Ring Wear Fits Caterpillar Models

One New Aftermarket Replacement Wear Ring for Caterpillar (Cat) Excavators and Mobile Hydraulic Equipment

This hydraulic cylinder wear ring (piston guide) fits Caterpillar excavators, mobile hydraulic power units, and wheel loaders. The wear ring seats inside the hydraulic cylinder to guide piston travel, reduce metal-to-metal contact, and extend cylinder service life. It is a common replacement item during hydraulic cylinder rebuilds and seal kit servicing. Replaces Caterpillar (Cat) OEM part number 191-5604.

Specifications

• Bore Diameter: 170mm
• Part Type: Plastic Wear Ring / Piston Guide
• Weight: Approx. 0.2 lbs

Compatible Models

Caterpillar Excavators: 322C, 325C, 325D, 325D L, 324D, 324D LN, 324E LN, 328D LCR, 329D LN, 330C, 330C FM, 330C L, 330D, 330D FM, 330D L, 330D LN, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E H, 336E L, 336E LH, 336E LN, 336F L, 340D L, 340D2 L, 345C, 345C L, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L VG, 349F L, 385C L, 568 FM LL

Caterpillar Mobile Hydraulic Power Units: 325D, 330C, 330D, 330D L, 336D L, 349E L HVG

Caterpillar Wheel Loaders: 962K, 972M XE, 980K HLG, 980M

Caterpillar Wheeled Excavators: M322C, M322D, M322D MH

Replaces Part Number(s):

1915604, 191-5604

New aftermarket replacement part - not remanufactured, not used.