R106663, U15149 O-Ring for John Deere (5 Pack)

R106663, U15149 O-Ring for John Deere / NBR H4A Material  (Quantity of 5)

Replacement O-ring – Part # R106663 for John Deere

Replacement O-ring – Part # U15149 for John Deere

• NBR 70 / H4A material
• Direct fit after-market replacement
• Made in USA

User must install according to manufacturer specifications.
All brand new parts, satisfaction guaranteed.

Product Overview

Set of 5 replacement O-rings designed for John Deere equipment, replacing part numbers R106663 and U15149. Manufactured from NBR 70 (H4A) elastomer for dependable sealing performance in hydraulic and fluid systems.

Compatibility Details

• Direct fit for John Deere equipment using part numbers R106663 and U15149.
• Suitable for a wide range of agricultural and industrial applications requiring an NBR 70 / H4A O-ring seal.
• Designed to meet or exceed OEM sealing specifications.

Material & Performance

• NBR (H4A) Composition: Excellent resistance to oils, fuels, and hydraulic fluids.
• Temperature Range: Operates reliably between -40°F and +250°F (-40°C to +121°C).
• Precision molded to maintain uniform sealing pressure and resist deformation under load.

Installation & Maintenance

• Clean groove and mating surfaces before installation.
• Install evenly without stretching or twisting the O-ring.
• Do not use petroleum-based lubricants during assembly — use only silicone-safe options.

All components are new and backed by our satisfaction guarantee.