8C-3846 8C3846 229 mm inner diameter plastic ring of 777D 777G 777F

1. Quick Details of  seal 8C-3846:

2. 8C-3846 picture:

3. Service part number :

4. FAQ

Q: What construction machine does part number 8C-3846 piston seal ring fit for?
A: Part number 8C-3846 piston seal ring is specially produced for wheel loader hydraulic cylinder piston assembly overhaul and pressure holding repair.

Q: What materials are adopted to manufacture the 8C-3846 piston seal ring?
A: 8C-3846 piston seal ring is built with wear-resistant polyurethane main sealing body matched with NBR backup ring to resist extrusion under high hydraulic pressure.

Q: What core function does this piston seal ring carry out?
A: It separates the two oil chambers inside hydraulic cylinder, locks hydraulic pressure and prevents oil bypass leakage across the piston.

Q: Where will this piston seal ring be mounted on the wheel loader?
A: It is installed in the piston groove of boom, bucket or tilt hydraulic cylinder of wheel loader.

Q: Can this ring work independently without matching main piston sealing elements?
A: It acts as guiding and auxiliary sealing part; dedicated main piston seals are still required for full pressure holding.olding effect.

Q: What storage suggestions do you offer for these PTFE sealing accessories?
A: Keep goods in cool, dry warehouse. Avoid persistent high temperature and long-time ultraviolet radiation to slow material aging.

Q: What engineering projects commonly require replacement of this piston seal ring?
A: It serves routine maintenance of hydraulic cylinder piston sealing assemblies on medium crawler excavators, widely used in urban infrastructure, highway subgrade construction, small quarry loading and residential foundation excavation projects.

5. Exhibition and Wearhous

Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More