
Pilot Valve Seal for Hitachi SEAL KIT “POLYHYDRONE” EX 70 Excavator | Also Fits 210
Product Specifications
| Brand | Compatible Model(s) | OEM Part Number | Part Type | Availability |
|---|---|---|---|---|
| Hitachi | SEAL KIT "POLYHYDRONE" EX 70/210 | TD20027 / TD02541 | PILOT VALVE / TRAVEL PEDAL SEAL KIT | ✓ In Stock |
Product Description
OEM Part Numbers: TD20027 / TD02541
Machine Compatibility
| Machine Model | Type | Part Number |
|---|---|---|
| SEAL KIT "POLYHYDRONE" EX 70 | Hydraulic Excavator | TD20027 |
| 210 | TD02541 |
The TD20027 pilot valve seal kit "polyhydrone" ex 70/210 is a precision hydraulic flow control component for the SEAL KIT "POLYHYDRONE" EX 70/210, regulating fluid direction and maintaining consistent circuit pressure throughout the hydraulic system. Valve failure leads to hydraulic instability, uncontrolled movement, and pressure loss — conditions that are hazardous to operators and damaging to downstream hydraulic components. Engineered to OEM standard TD20027 for precise installation and reliable hydraulic control on the SEAL KIT "POLYHYDRONE" EX 70/210.
Key Features:
- Precise Flow Control: Regulates hydraulic fluid direction and pressure for safe, controlled machine operation.
- OEM Grade Fitment: Manufactured to specification TD20027 for direct installation on the SEAL KIT "POLYHYDRONE" EX 70/210 with no hydraulic adjustments required.
- Heavy-Duty Pressure Rating: Built to withstand the high-pressure hydraulic cycles of continuous heavy excavation and lifting work.
The TD20027 pilot valve seal kit "polyhydrone" ex 70/210 ensures reliable hydraulic flow control and system pressure stability on the SEAL KIT "POLYHYDRONE" EX 70/210.
What Does This Pilot Valve / Travel Pedal Seal Kit Do?
The pilot valve converts mechanical lever or pedal movement into a proportional hydraulic pilot pressure signal that positions the main control valve spools. Seal kits for the pilot valve and travel pedal contain all O-rings, backup rings, and lip seals required to restore the internal sealing of the valve body and prevent pilot oil leakage.
Possible Pilot Valve / Travel Pedal Seal Kit Problem Symptoms
If your machine is showing any of the following, a faulty pilot valve / travel pedal seal kit may be the cause:
- Pilot oil leaking externally from the joystick or travel pedal valve body
- Loss of proportional control — function moving at full speed regardless of lever travel
- One hydraulic function not responding to its control input while others operate normally
- Spongy or unpredictable lever feel caused by internal pilot pressure bypass through a worn seal
Why Buy From GCO Products?
Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.
Over 27 years of experience in the earthmoving parts industry.
Our team helps you confirm the right part before you order.
Proper GST invoices on every order for your accounting needs.
Fast dispatch from Jalandhar to all states across India.
Volume pricing available for fleet owners, dealers and distributors.
Both genuine OEM and quality aftermarket options available.
How to Confirm Compatibility
To ensure this part is the correct fit for your machine, have the following ready when you contact us:
- 1Machine Model & Year
E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.
- 2Machine Serial Number
Found on the machine's chassis plate. Helps confirm the exact production variant.
- 3OEM Part Number
From your parts manual, the old part itself, or the machine's service documentation.
Not sure if this part fits your machine?
WhatsApp Us to Confirm Typically replies within a few hoursDisclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.