The best third function valve kit depends on your Kubota model, loader, and intended attachment. For select L-series tractors, the Zuomeng and Yoursme kits list detailed compatibility and two-button controls; the Yoursme listing also provides flow and pressure figures. Silscvtt covers several MX models, while WFLNHB lists a broader range of tractors but offers three versions to choose from. Confirm the exact tractor and loader fitment before ordering.
| Kit | Best For | Key Listed Detail |
|---|---|---|
| Zuomeng | Select L-series tractors | 12V solenoid; up to 5,080 PSI working pressure |
| Silscvtt | Listed MX-series models | Solid aluminum valve body |
| Yoursme TFK2 | Select L-series tractors without cabs | 15 GPM flow rating |
| WFLNHB | Buyers comparing multiple Kubota models | Three versions listed |
| Third Function Valve Kit | Buyers considering an L-series kit | Verify specifications with the listing |
Zuomeng Kit for Select L-Series Tractors

Best for: Owners of a Kubota L2501, L3301, or L3901 with an LA525 loader, or an L3200 or L3800 with an LA524 loader. These model-and-loader combinations are specifically named in the supplied product details.
The kit includes a 12V solenoid valve with an aluminum housing and lists working pressure up to 5,080 PSI. Its metal joystick handle has two momentary buttons for cylinder open-and-close control. The listed attachment uses include grapples, augers, and snowplow tilt. It is selected for its stated fitment and control details.
Limitation: The stated compatibility is specific to the named tractor and loader combinations. Confirm both before purchase rather than relying on tractor model alone.
Silscvtt Kit for Kubota MX Models

Best for: Owners of the listed Kubota MX4700, MX4800, MX5000, MX5100, MX5200, or MX5800 who need a third-function valve option. The listing identifies these models as replacements for the kit.
The valve body is described as solid aluminum. The product information says it is powered by the power beyond port of the existing loader valve, allowing multiple functions to be used at the same time. It is included here for buyers whose tractor is among the named MX models and who want those power-source details stated upfront.
Limitation: The supplied features do not provide flow, pressure, control-handle, or loader-specific details. Check the complete listing and tractor configuration to confirm suitability.
Yoursme TFK2 Kit for L-Series Tractors

Best for: Owners of an L2501, L3301, or L3901 with an LA525 loader, or an L3200 or L3800 with an LA524 loader, provided the tractor does not have a cab or closed cab. The listing explicitly excludes cab-equipped tractors.
The TFK2 has a 12V solenoid-operated valve and an ergonomic joystick handle with two momentary push buttons. Listed specifications include a 15 GPM flow rating, a 5,080 PSI maximum for pressure and work lines, and a 3,050 PSI maximum for the tank line. The stated attachment uses include grapples, augers, and snow equipment.
Limitation: Do not choose this kit for a tractor with a cab or closed cab, according to the supplied fitment note.
WFLNHB Kit With Multiple Versions

Best for: Buyers whose tractor is among the listing’s named models: L2501, L3200, L3301, L3901, L4600, L4701, MX4700, MX4800, MX5000, MX5100, MX5200, or MX5800. The broader model list makes this an option to compare across L and MX series.
The listing says there are three versions to choose from and identifies one third function valve kit in the package. It is selected for buyers who want to investigate a kit listed for several Kubota models, but the supplied details do not distinguish the three versions.
Limitation: Confirm which version matches the exact tractor and loader. The provided product information does not specify pressure, flow, controls, or loader fitment.
Third Function Kit for Select L-Series Models

Best for: Buyers comparing another kit described for the L2501, L3301, and L3901 with an LA525 loader, or the L3200 and L3800 with an LA524 loader. Its title supplies these fitment details.
This option is selected as a fitment comparison for owners of those named combinations. The product information provided here includes a title and image but no feature list, so it does not establish valve material, pressure, flow, controls, or included parts.
Limitation: Verify the full listing for specifications and installation requirements before deciding. Do not assume its technical details match another kit with similar stated fitment.
Buying Guide: How to Choose a Third Function Valve Kit
Does the kit match both the tractor and loader?
Start with the tractor model, then confirm the loader model. Several kits above distinguish between LA525 and LA524 loader combinations. A tractor model match alone may not establish fitment. Check the seller’s complete fitment information and compare it with the equipment identification details for your machine.
What attachments will the valve operate?
Third function kits are commonly considered for hydraulic attachments. The supplied product details mention grapples, augers, snowplow tilt, and other snow equipment. Check that the kit’s stated capabilities align with the attachment and hydraulic requirements; do not infer compatibility solely from the attachment name.
Which technical specifications should buyers compare?
Compare voltage, flow rating, pressure limits, valve type, and control design when those figures are provided. The Yoursme listing gives a 15 GPM rating and separate pressure figures, while the Zuomeng listing states a 12V solenoid and working pressure up to 5,080 PSI. These figures are not supplied for every kit, so missing specifications should be verified.
Are cab restrictions or version choices important?
Yes. The Yoursme listing excludes tractors with cabs or closed cabs. WFLNHB says three versions are available, so buyers should identify the correct one before ordering. If a listing does not spell out cab or version details, ask the seller to confirm fitment for the exact configuration.
Frequently Asked Questions
What does a third function valve kit do?
It adds a hydraulic function for operating an attachment, such as opening and closing a grapple, when the tractor and kit are correctly matched.
Can I choose a kit based only on my Kubota model?
No. Loader model, cab configuration, and the kit’s version may also matter. Confirm all listed fitment conditions before purchase.
Do all five kits list pressure and flow specifications?
No. The supplied details provide pressure and flow figures for some options, but not all. Check the complete product information for any missing values.
Which listed option excludes cab-equipped tractors?
The Yoursme TFK2 listing states that it cannot be used on tractors with cabs or closed cabs.
What should I verify when a listing offers multiple versions?
Confirm which version matches the exact tractor and loader, and check the specifications and included components for that version before ordering.