SPARKLING Cat Excavator Auxiliary Valve – Durable & Precise
The Valve GP‑Manual (Cat part no. 389‑2407 / CA3892407) is a rugged manual auxiliary shut‑off valve designed for use in heavy-duty Caterpillar excavators—specifically models 352, 323F, 320C, 320D SA, M325D MH/L, 355, and more. It provides dependable two-way hydraulic shut-off control, helping protect critical systems during maintenance or attachments handling. Built to OEM tolerance, this valve ensures reliable operation in the harshest environments, available both as a genuine Cat part and high-quality aftermarket alternative.
The SPARKLING Cat Excavator Auxiliary Valve is engineered for maximum reliability and precision, designed to enhance the hydraulic performance of your excavator. Manufactured by SPARKLING MACHINERY—a trusted name since 2013—this auxiliary valve ensures stable and efficient operation even in the most demanding conditions. Compatible with Caterpillar excavators, our auxiliary valve is crafted with strict quality control and high-grade materials, guaranteeing durability and long service life.
At SPARKLING MACHINERY, we understand the critical role that hydraulic components play in the productivity of construction and mining equipment. That’s why our Cat excavator auxiliary valve delivers smooth and responsive control, optimizing hydraulic flow for auxiliary attachments such as breakers, grapples, and augers. This part is ideal for operators seeking dependable performance without compromise.
Our commitment to precision and innovation means you benefit from an auxiliary valve that fits perfectly, performs flawlessly, and withstands harsh environments. We also provide personalized technical support and customized solutions to meet your specific needs, helping you reduce operational costs without sacrificing quality.
Choose SPARKLING Cat Excavator Auxiliary Valve for professional-grade performance backed by a global network and years of industry expertise. Trust in SPARKLING to keep your excavator running efficiently and reliably — because your equipment deserves the best.
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Q&A
Do you offer customized parts?
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Yes, we offer tailored solutions to meet specific customer requirements. Whether you need custom dimensions or specialized features, we can design and produce parts that perfectly match your excavator’s needs.
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Can I get technical support for installing your parts?
Absolutely. We provide technical support and guidance for the installation and maintenance of our parts. Our team is available to assist you with any questions or concerns to ensure proper installation and optimal performance.
How do you ensure the quality of your parts?
We follow strict quality control procedures throughout the manufacturing process. Our parts are tested for durability, performance, and precision to ensure they meet industry standards and exceed customer expectations.
Are your products covered by a warranty?
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Yes, all of our excavator parts come with a warranty to ensure quality and reliability. The warranty period may vary depending on the type of part. Please contact us for detailed warranty terms for specific products.
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Valve GP‑Manual 389‑2407 for Cat 352 / 323F / 320C / 320D / M325D / 355 Excavators
The Valve GP‑Manual (Cat part no. 389‑2407 / CA3892407) is a rugged manual auxiliary shut‑off valve designed for use in heavy-duty Caterpillar excavators—specifically models 352, 323F, 320C, 320D SA, M325D MH/L, 355, and more. It provides dependable two-way hydraulic shut-off control, helping protect critical systems during maintenance or attachments handling. Built to OEM tolerance, this valve ensures reliable operation in the harshest environments, available both as a genuine Cat part and high-quality aftermarket alternative.
JCB 400/A7149 HYDRAULIC MAIN PUMP ASSY CHINA MADE BETTER QUALITY
The 400/A7149 Hydraulic Main Pump Assembly is a high-efficiency, China-manufactured replacement pump designed to match or exceed original JCB standards. Engineered with precision and built using upgraded internal components, this pump ensures strong flow delivery, stable pressure, and reliable performance in heavy-duty construction and excavation applications.
It is a direct-fit solution for JCB models using this pump reference, providing excellent value without compromising on quality. Each unit is 100% factory-tested to guarantee durability and smooth operation under tough working conditions.
HYUNDAI WHEEL EXCAVATOR CRAWLER EXCAVATOR R140W-7 R110-7 R210LC-7 R300LC-7 R320LC-7 11N6-90110 PULLY

D9R TRACK-TYPE TRACTOR CA1878636 187-8636 1878636 VALVE GP-MAIN CONTROL VALVE ASSY
The CA1878636 Main Control Valve Assembly (also referenced as 187-8636 or 1878636) is an essential hydraulic component designed specifically for the Caterpillar D9R track-type tractor. This unit is responsible for the precise distribution and regulation of hydraulic flow, enabling smooth and accurate control of blade, ripper, and other operational functions.
Key Features:
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Direct-fit replacement for CAT D9R – no modification required
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OEM-standard internal machining ensures optimal hydraulic flow and durability
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High-pressure resistance for demanding dozer applications
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Fully tested before delivery, ensuring performance and zero leakage
Whether you're maintaining a mining fleet or servicing a heavy-duty bulldozer, this main control valve assy ensures efficient operation and extended equipment lifespan.