702-16-04290 Pilot Valve is an aftermarket replacement pilot valve for Komatsu machines, including PC130, PC220, PC240, PC290, PC300 and other listed models. The pilot valve (joystick or remote control valve) turns operator movement into pilot pressure. It is supplied by LIONKITS as aftermarket new with a 12-month warranty.
702-16-04290 Pilot Valve Specifications
- Product Type: Pilot Valve
- Part Number: 702-16-04290, 7021604290
- Compatible Brand: Komatsu
- Condition: Aftermarket new
- Product Weight: 2kg/4.4pounds (1 piece)
- Warranty: 12 months
- Brand: LIONKITS
- Country of Origin: China
Komatsu Models Compatible with the 702-16-04290 Pilot Valve
- Komatsu PC130 PC220 PC240 PC290 PC300 PC350 PC400
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 Pilot Valve Do?
The pilot valve (joystick or remote control valve) turns operator movement into pilot pressure. That pressure shifts the spools of the main control valve, which sends oil to the boom, arm, bucket, swing and travel functions. Pilot control is what gives the operator smooth, proportional response.
Signs the Valve Needs Replacing
- Mushy or unresponsive controls: low pilot pressure makes the levers feel soft or slow to react.
- Dead spots or jerky movement: worn spools and internal leakage bleed off pilot pressure.
- One function weak or not working: a worn pilot valve can leave a single axis slow or dead while others work.
- Oil leaks at the pilot valve or boot: leaking seals or O-rings let pilot oil escape.
These symptoms overlap with worn pumps, dirty oil and clogged filters, so check the basics and measure pressure before replacing the valve.
How to Order and Install the 702-16-04290 Pilot Valve
- Confirm your machine model, engine model and the part number on your existing valve before ordering.
- Send a photo of the nameplate or the old valve if you are not sure; LIONKITS will confirm fitment for you.
- Check pilot pressure at the pilot test port before and after installation.
- Replace the pilot filter and use clean hydraulic oil; dirt in the pilot circuit causes sticking and erratic response.
- Bleed air from the pilot lines and test each function 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
- Order tracking: A tracking number with a tracking link is sent by email once the order ships.
- 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 702-16-04290 Pilot Valve?
The 702-16-04290 Pilot Valve is an aftermarket replacement pilot valve for Komatsu machines, supplied as aftermarket new under part numbers 702-16-04290, 7021604290.
Which Komatsu models does the 702-16-04290 Pilot Valve fit?
It is listed for PC130, PC220, PC240, PC290, PC300. If you are unsure, send your machine nameplate to LIONKITS for confirmation.
How do I know a pilot valve has failed?
Typical signs are soft or unresponsive controls, dead spots or jerky movement, one slow or dead function and pilot oil leaks at the valve.
What are the warranty and delivery terms for the 702-16-04290 Pilot Valve?
Warranty: 12 months. Your package will be sent within 2-3 business days, and another 3-7 business days to arrive in your country.
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