3539858M91 Power Steering Pump is an aftermarket replacement power steering pump for Landini tractors, including 5500, 5840, 6030, 6500. The power steering pump supplies hydraulic pressure to the steering circuit so the operator can steer with light effort. Supplied by LIONKITS as aftermarket new with a 6-month warranty.
3539858M91 Power Steering Pump Specifications
- Product Type: Power Steering Pump
- Part Number: 3539858M91, 1825210M91
- Compatible Brand: Landini
- Machine Type: Tractor
- Condition: Aftermarket new
- Product Weight: 4.500 kg/9.92 pounds(1 piece)
- Package Dimensions: 10.24 inch(L) x 7.87 inch(W) x7.09 inch(H)
- Warranty: 6 months
- Brand: LIONKITS
- Country of Origin: China
Landini Models Compatible with the 3539858M91 Power Steering Pump
- Landini 5500 5840 6030 6500 7880 8880 Tractor
- Massey Ferguson 154 154-4 174 253 254 254-4 294-4 Tractor
Your model is not listed? Contact LIONKITS via live chat or email with your machine model and nameplate photo, and we will confirm compatibility.
What Does a Power Steering Pump Do?
The power steering pump supplies hydraulic pressure to the steering circuit so the operator can steer with light effort. A worn pump makes steering heavy, slow or noisy.
Signs the Part Needs Replacing
- Heavy or slow steering: low pump output cannot assist the steering.
- Whining noise when steering: wear, low oil or air in the system.
- Foamy oil or leaks: air entering the suction side or a failing shaft seal.
These symptoms overlap with clogged filters, low oil, air in the suction line and worn valves, so check the filters and oil level before replacing the part.
How to Order and Install the 3539858M91 Power Steering Pump
- Confirm your machine model, the part number and the pump model on your existing pump before ordering.
- Send a photo of the old pump or the nameplate if you are not sure; LIONKITS will confirm fitment for you.
- Check the oil level and condition, and replace the filter if fitted.
- Bleed air from the steering circuit after installation.
- Check for leaks and steering response with the engine running.
Shipping, Payment and Support
- Dispatch and delivery: Your package will be sent within 2-3 business days, and another 3-7 business days to arrive in your country
- Payment methods: Credit Card, PayPal, T/T, Western Union
- Returns and refunds: If you encounter any issues with the product, please contact us promptly and provide detailed feedback. We will handle the return or exchange promptly
Frequently Asked Questions
What is the 3539858M91 Power Steering Pump?
The 3539858M91 Power Steering Pump is an aftermarket replacement power steering pump for Landini tractors, supplied as aftermarket new under part numbers 3539858M91, 1825210M91.
Which Landini models does the 3539858M91 Power Steering Pump fit?
It is listed for 5500, 5840, 6030, 6500 and other models in the compatibility list above. If you are unsure, send your machine nameplate to LIONKITS for confirmation.
How do I know a power steering pump has failed?
Typical signs are heavy or slow steering, whining noise, foamy oil and leaks at the pump.
What are the warranty and delivery terms for the 3539858M91 Power Steering Pump?
Warranty: 6 months.



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