3819450M91 genuine AGCO OEM hydraulic solenoid valve
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The 3819450M91 Hydraulic Solenoid Valve is a critical electronic-hydraulic interface component designed for AGCO machinery, primarily utilized within the Massey Ferguson tractor lineup.
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Equipment Applications & Fitment
This valve is most notably utilized within the global AGCO parts network for the following brands:
· Massey Ferguson: Widely used in the transmission control systems of the MF 4300 Series tractors (such as the MF 4325, 4335, 4345, 4355) equipped with power-shuttle gearboxes.
· Valtra & Fendt: Used in select medium-horsepower tractor models under the broader AGCO group.
Thank you for choosing SPARKLING MACHINERY.
The 3819450M91 is a high-specification solenoid valve that serves as a cornerstone for Massey Ferguson’s modern hydraulic management. Unlike aftermarket alternatives, this genuine AGCO part is calibrated to the exact electrical resistance and flow characteristics required by the tractor’s onboard computer. This prevents "soft-engagement" issues that can lead to premature wear of internal clutch packs in the PTO or transmission.
The SPARKLING MACHINERY NEW 3819450M91 solenoid valve Photo:



Why Choose the SPARKLING 3819450M91 solenoid valve?
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- Direct OEM Performance: Eliminates compatibility issues with the tractor’s electronic control unit (ECU).
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- Weather-Sealed Connector: Features an integrated seal to protect electrical contacts from the dust, moisture, and fertilizers common in agricultural environments.
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- Rapid Response Time: Ensures nearly instantaneous engagement of the 4WD or PTO, critical for safety and operational efficiency in the field.
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- Hardened Internal Spool: Designed to resist "sticking" even when hydraulic oil is cold or when high-cycle usage creates heat.
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Common Machine Applications
This solenoid is widely used across the Massey Ferguson 5400, 6400, and 7400 series tractors, as well as select Challenger and Valtra models under the AGCO umbrella:
| Tractor Series | Typical Use Case | System Voltage |
| MF 5400 Series | PTO / Diff Lock | 12V DC |
| MF 6400 Series | 4WD / Gear Selection | 12V DC |
| MF 7400 Series | Auxiliary Hydraulics | 12V DC |
Q&A Section
Q1: What are the signs that my 3819450M91 solenoid is failing?
A: The most common sign is the PTO or 4WD failing to engage or disengage when the switch is flipped. You may also see a "Hydraulic Fault" light on the dashboard, or hear a faint "clicking" without any mechanical response from the machine.
Q2: Can I test the 3819450M91 with a standard 12V battery?
A: While you can check if the coil "clicks," it is safer to test the resistance (Ohms) with a multimeter. An out-of-spec resistance reading usually indicates an internal short or an open circuit in the coil, requiring replacement.
Q3: Is the 3819450M91 interchangeable with older AGCO solenoids?
A: Solenoid valves are highly specific to the manifold they fit. You should always use the exact part number (3819450M91) to ensure the threads, O-rings, and electrical connector match your specific tractor's serial number.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
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