Hydraulic Cylinder Seal Kits

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  • 31Y1-15230 Arm Cylinder Seal Kit for Hyundai R210LC-7

  • Hyundai 31Y1-15230 Hydraulic Arm Cylinder Seal Kit 100x140mm

31Y1-15230 Arm Cylinder Seal Kit 100mm Rod 140mm Bore for Hyundai R200W-7 R210LC-7 Excavator

Part Number: 31Y1-15230
Product Name: Arm Cylinder Seal Kit
MOQ: 1 Piece
Warranty: 6 Months
Rod Diameter: 100 mm
Cylinder Bore: 140 mm
Cylinder Group: 31N6-50130
Application: Hyundai R200W-7, R210LC-7, R210NLC-7
Applicable Serial: R200W-7 #0001–0135; R210LC-7 #0001–3965; R210NLC-7 #0001–0268

Product Description

31Y1-15230 Arm Cylinder Seal Kit

31Y1-15230 is an arm hydraulic cylinder seal kit for selected Hyundai excavators. The applicable cylinder configuration uses a 100 mm rod and 140 mm bore and is associated with arm cylinder assembly 31N6-50130.

The kit is used when rebuilding the excavator arm cylinder. Correct fitment should be confirmed by the seal kit number, machine model and production serial range.

Hyundai Model and Serial Fitment

31Y1-15230 applies to R200W-7 machines in the #0001–0135 range, R210LC-7 through #3965, and R210NLC-7 through #0268. Later production ranges use different arm cylinder seal kit configurations.

Because later versions can use different seal kit numbers even on the same excavator model, the machine serial number should be checked before ordering.

Arm Cylinder Rebuild Checks

Inspect the 100 mm piston rod for scoring, corrosion and chrome damage, and check the 140 mm cylinder bore, piston, gland and seal grooves for wear before installing the new seals.

Clean all components thoroughly and install each seal in the correct direction. Damaged cylinder surfaces or hydraulic contamination should be corrected before the rebuilt cylinder returns to service.

Topvelsun Supply Support

Topvelsun supplies excavator hydraulic cylinder seal kits with 1-piece MOQ and a 6-month warranty. Send the part number, machine model and serial number for fitment confirmation before ordering.


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