Pilot Valve Joystick for Caterpillar CAT 345 Excavator
Product Specifications
| Brand | Compatible Model(s) | OEM Part Number | GCO Code | Part Type | Availability |
|---|---|---|---|---|---|
| Caterpillar (CAT) | CAT 345 | 4878455 | C02.13B | OPERATING ROD / JOYSTICK | ✓ In Stock |
Product Description
OEM Part Numbers: 4878455
| Machine Model | Part Number |
|---|---|
| CAT 345 | 4878455 |
This is a quality aftermarket replacement for CAT 345 — same fitment and performance as OEM at a better price point. Need the genuine factory-certified part? View OEM listing →
The 4878455 pilot valve joystick cat 345 controls hydraulic fluid flow within the CAT 345, preventing reverse flow and maintaining stable system pressure during all operating conditions. A defective valve compromises hydraulic control, causing erratic movement, pressure drop, and potential damage to actuators and cylinders across the hydraulic circuit. Built to OEM specification 4878455 for direct, no-modification fitment on the CAT 345.
Key Features:
- Hydraulic Stability: Maintains consistent circuit pressure to prevent drift, uncontrolled movement, and actuator damage.
- Direct OEM Replacement: Built to reference 4878455 for exact fitment on the CAT 345.
- Durable Construction: Engineered for long-term reliable performance in high-pressure hydraulic environments.
The 4878455 pilot valve joystick cat 345 is an essential hydraulic circuit component for maintaining controlled machine movement on the CAT 345.
What Does This Operating Rod / Joystick Do?
The pilot pressure control assembly that translates operator lever movements into proportional hydraulic pilot signals. These signals are sent to the main control valve spool to direct boom, arm, bucket, and attachment movement with precision.
Possible Operating Rod / Joystick Problem Symptoms
If your machine is showing any of the following, a faulty operating rod / joystick may be the cause:
- Boom, arm, or bucket moving only in one direction despite full lever travel
- Jerky or non-proportional movement response to lever input
- Pilot oil leaking from the joystick assembly body or fittings
- Hydraulic function running at full speed regardless of how gently the lever is moved
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.
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