ranroswang@hksparkling.com 
+86 138 2341 8469
334-7531 Solenoid Valve Assembly (12V) for Cat C3.6 and C4.4 Engines
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Primary Function: It acts as an electromechanical actuator within the transmission group. By receiving low-voltage electronic signals from the machine's powertrain control module (ECM), it rapidly opens or closes to direct high-pressure hydraulic fluid, facilitating smooth and precise clutch engagement or gear shifting.
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Electrical Input: 12 VDC (Nominal).
Connector Interface: Heavy-duty 2-pin DT connector.
Operating Pressure: 600 psi (4,136.8 kPa).
Flow Rating Range: 0 to 5 GPM (0 to 18.9 LPM).
Compatible Fluid Type: SAE 10 hydraulic/transmission oil.
Thank you for choosing SPARKLING MACHINERY.
The 334-7531 is a versatile valve used across various Caterpillar platforms powered by the C3.6 and C4.4 engines, particularly in Telehandlers and Industrial Power Units.
The SPARKLING MACHINERY NEW 334-7531 Solenoid Photo:
Q&A Section
Q1: What is the primary function of the 334-7531 solenoid?
A: It is typically used in the transmission hydraulic control group. It receives electrical signals from the machine's ECM to open or close hydraulic ports, which manages shifting or internal fluid pressure.
Q2: How do I identify a failure in this solenoid?
A: Common symptoms include "harsh" shifting, delayed gear engagement, or specific diagnostic codes related to "Transmission Solenoid Fault." You can test the coil's resistance using a multimeter across the 2-pin connector; a reading of "O.L" (Open Loop) indicates a burnt-out coil.
Q3: Can this solenoid expose me to hazardous materials?
A: Like many heavy-duty industrial components, this product may contain lead and lead compounds. Always handle with gloves and wash your hands after installation.
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.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879