Description
R39729 Quad O-Rings for John Deere / H4A Material
(Quantity of 2)
Replacement O-ring – Part # R39729 for John Deere
• Dependable NBR 70 / H4A material
• Original Manufacturer Part Number: R39729
• Direct fit after-market replacement
• Made in USA
Product Overview:
Two-piece set of quad-profile sealing rings designed to replace part number R39729. These rings use an H4A-grade NBR formulation engineered for stable sealing performance, even under pressure cycling or exposure to common hydraulic fluids.
Why These Quad Rings:
- Quad-profile design supports improved sealing contact compared to standard round O-rings.
- NBR 70 / H4A material provides durability and resistance to hydraulic oils.
- Direct-fit aftermarket replacements shaped to match the original specifications.
- Suitable for equipment using R39729-type quad rings.
- Manufactured in the USA with consistent molding standards.
Installation Notes:
Inspect groove surfaces and components for debris or wear before installation. Ensure each ring is seated evenly in its groove without twisting. Follow all manufacturer assembly instructions to maintain proper sealing performance.
Key Benefits:
- Reliable sealing performance with quad-ring geometry
- Resistant to hydraulic oils and common service fluids
- Designed for stable operation in dynamic and static applications
- Provides dependable fit for systems requiring R39729-type seals
User must install according to manufacturer specifications.
All brand new parts, satisfaction guaranteed.
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