Transmission Solenoid Valve 0501313374
Product Description: Transmission Solenoid Valve for 4WG200 Transmissions (0501313374) Liugong loaders and other heavy machinery rely on 4WG200 or 4WG180 transmissions for reliable power delivery. At the heart of those gearboxes are solenoid valves that control oil flow to clutches and brakes. When a solenoid fails, shifting becomes harsh, gears may slip, or the loader stops moving. The transmission solenoid valve 0501313374 from Flying Bull is a direct replacement designed for these transmissions. Precise Electro-Hydraulic Control This 0501313374 solenoid valve is an electrically actuated hydraulic control component. It receives signals from the transmission control unit (TCU) and opens or closes specific oil passages inside the gearbox. That action directs pressurized oil to engage the correct clutch pack for each gear. When the valve works properly, shifts are smooth and predictable. When it fails, the loader may hesitate, jerk, or refuse to move at all. Flying Bull’s transmission solenoid valve 0501313374 operates with oil as the medium under ordinary pressure. It is 100% brand new, manufactured in Zhejiang, China, and backed by a 1‑year warranty. Delivery takes 5–7 working days. The Critical Role of Transmission Maintenance Many automatic transmission failures are caused by overheating and contaminated lubricating oil. Transmission fluid serves three critical roles: lubrication, cleaning, and heat dissipation. Because automatic transmissions operate at high temperatures and have very tight internal clearances, oil quality and cleanliness are extremely important. Regular fluid changes are essential. However, draining through the pan plug only removes part of the old fluid. Nearly half of the contaminated fluid stays inside the torque converter and valve body passages. That residual oil carries mud, metal particles, and other impurities that can block small oil passages or stick solenoid valves. Professional deep-maintenance equipment is required to flush out all old fluid and debris. A plugged or sticking solenoid valve like the 0501313374 can often be traced back to dirty fluid. Replacing the solenoid without addressing fluid contamination will lead to repeat failures. Always change the transmission fluid and filter when installing a new solenoid. Common applications for the 0501313374 solenoid valve: 4WG200 transmission (Liugong loaders and similar equipment). 4WG180 transmission (smaller wheel loaders). Other construction machinery using 4WG series gearboxes.
Product Introduction
Products Description
OE NO.: 0501313374 |
Media: Oil |
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Warranty: 1 YEAR |
Condition: New, 100% Brand-new |
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Place of Origin: Zhejiang, China |
Actuator: Electric |
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Brand Name: FLYING BULL |
Quality: High-Quality |
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Delivery: 5-7 Working Days |
Pressure: Ordinary Pressure |
4WG200 Transmission Solenoid Valve Liugong Loader
85650d862842 \ 0501313374
How to maintain 4WG200 / 4WG18 transmission
Regular replacement of lubricating oil for automatic transmission is one of the important measures to maintain automatic transmission. Unlike oil replacement, the replacement of automatic transmission lubricants requires the use of professional in-depth maintenance equipment to ensure that old lubricants and debris are completely removed. This is because, only through atmospheric pressure emissions, there are still nearly half of the lubricating oil in the automatic transmission can not be discharged, and the residual oil will gather with mud, impurities and other key parts, if not treated in time, it may lead to blockage of the internal oil circuit of the system. The solenoid valve 0501313374 can be replaced if it is broken.
The failure of automatic transmission is mostly caused by overheating and lubricating oil that has not been replaced for a long time and impurities. Therefore, reasonable replacement of automatic transmission lubricating oil is the key to prevent automatic transmission failure. Automatic transmission lubricants play the role of lubrication, cleaning and heat dissipation in automatic transmissions, and can prevent internal mechanical wear and failure. Due to the high working temperature inside the automatic transmission and the high matching accuracy between the various parts, the quality and cleanliness of the lubricating oil have high requirements.
Transmission Solenoid Valve 0501313374 is suitable for 4WG200/4WG180 Liugong Loader, our store 0501313374 quality assurance, simple assembly.
Company Introduction
Frequently Asked Questions (FAQs)
1. What is the OE number and basic application of this solenoid valve?
The OE number is 0501313374. This transmission solenoid valve is suitable for 4WG200 and 4WG180 transmissions, commonly found in Liugong loaders and similar construction machinery.
2. What happens when the 0501313374 solenoid valve fails?
Common symptoms include: harsh or jerky shifts, delayed engagement when selecting forward or reverse, transmission slipping between gears, the loader getting stuck in one gear (limp mode), or complete loss of drive. Diagnostic trouble codes related to solenoid circuit performance may also appear.
3. Why is regular transmission fluid change important for solenoid life?
Automatic transmission fluid lubricates, cleans, and dissipates heat. Over time, fluid breaks down from heat and collects debris (metal particles, clutch material, mud). Dirty fluid can plug small oil passages inside the valve body or cause solenoid valves to stick. Many transmission failures – including solenoid failures – are caused by overheating and old, contaminated fluid.
4. How is automatic transmission fluid replacement different from engine oil changes?
Draining fluid through the transmission pan plug removes only part of the old fluid. Nearly half remains inside the torque converter and valve body passages. Professional deep-maintenance equipment is needed to flush out all old fluid and suspended debris. If you only do a partial drain, residual contaminants will quickly dirty the new fluid.
5. Can I just replace the solenoid valve without changing the fluid?
You can, but it is not recommended. The new 0501313374 solenoid will be exposed to the same contaminated fluid that may have contributed to the old valve failing. Dirt and debris can stick the new valve or block internal passages. For best results, replace the fluid and filter at the same time as the solenoid. Use a flush machine if possible.
6. Is this solenoid valve 0501313374 brand new or rebuilt?
It is 100% brand new, not rebuilt or remanufactured. Each unit is quality tested before shipping. Delivery takes 5–7 working days from Zhejiang, China.
7. Does the transmission solenoid valve 0501313374 come with a warranty?
Yes. Flying Bull provides a 1‑year warranty against manufacturing defects. Damage caused by contaminated fluid, incorrect installation, voltage spikes, or overpressure is not covered. Always use clean transmission fluid and follow proper installation procedures.
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