Miller Hv2-Kr300-63 Cylinder Repair Kit

Miller Hv2-Kr300-63 Cylinder Repair Kit is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.

This listing uses Hercules part number MLR-HV2-KR300-63. Catalog description: SK-I-U-1-0.6250.

Product Details

• Hercules part number: MLR-HV2-KR300-63
• Product type: Replacement cylinder or cylinder repair component
• Reference brand/application: Miller
• Approximate weight: 0.033 lb
• Catalog data source: 2026 US Industrial Catalog

Catalog Application Data

• Catalog section: Miller HV2 Series > 2002 Rod Seal Kits (1,3,4,5) Urethane/Nitrile > Rod Dia; Rod Kit > Rod Kit > Rod Kit
• Style / kit type: Rod Kit
• Material / grade reference: Nitrile, Urethane
• Catalog page reference: 70, 96

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for MLR-HV2-KR300-63. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.

Fitment Verification

Before ordering, confirm the MLR-HV2-KR300-63 reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.