Steering Pump Fmx400
Product Specifications
| Brand | Compatible Model(s) | OEM Part Number | Part Type | Availability |
|---|---|---|---|---|
| Volvo | FMX400 | 21488865 | RELIEF VALVE MRV / SWING MOTOR / TRAVEL MOTOR | ✓ In Stock |
Product Description
OEM Part Numbers: 21488865
| Machine Model | Part Number |
|---|---|
| FMX400 | 21488865 |
Built for the FMX400, the 21488865 steering pump fmx400 delivers steady, pressurised fluid to the engine's fuel or hydraulic system — a critical function for maintaining power output and operational efficiency. A failing pump results in loss of power, hard starting, rough running, and eventual engine shutdown — making prompt replacement essential to avoid extended downtime. Built to OEM reference 21488865 for accurate, no-modification installation on the FMX400 with full flow and pressure restored from day one.
Key Features:
- Sustained Flow Rate: Provides steady, reliable fluid delivery to prevent power loss and maintain engine performance.
- OEM Grade Build: Manufactured to reference 21488865 for direct, compatible fitment on the FMX400.
- Long Service Life: Designed for extended operational life under the continuous demands of heavy excavation and construction work.
The 21488865 steering pump fmx400 is a critical engine system component for restoring full fluid delivery performance on the FMX400.
What Does This Relief Valve Mrv / Swing Motor / Travel Motor Do?
The main relief valve (MRV) limits maximum circuit pressure to protect the hydraulic system. Swing and travel motors convert hydraulic flow into rotary mechanical motion to drive the machine's upper structure rotation and undercarriage movement.
Possible Relief Valve Mrv / Swing Motor / Travel Motor Problem Symptoms
If your machine is showing any of the following, a faulty relief valve mrv / swing motor / travel motor may be the cause:
- Machine unable to swing or travel in one or both directions
- Weak or significantly reduced swing or travel speed under working load
- Abnormal noise — grinding, whining, or knocking — from the hydraulic motor
- Hydraulic oil overheating rapidly during normal operation cycles
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.
Related RELIEF VALVE MRV / SWING MOTOR / TRAVEL MOTOR Parts
