4I5674 Rotary Solenoid Valve Replacement for CAT E320B E320C Excavator Systems

Reliable Hydraulic Control Solution | Premium White Zinc Plating | 4I5674 & 4I-5674 Interchangeable

1. Precision Engineered 4I5674 Solenoid for Heavy Equipment

When your excavator's hydraulic response slows down, the 4I5674 (also known as 4I-5674) rotary solenoid valve is often the critical component needing attention. Designed specifically for CAT E320B and E320C series machines, this valve ensures precise control of the hydraulic pump flow. Our version features a superior White Zinc Plated finish, providing exceptional corrosion resistance in harsh construction environments.

2. Technical Specifications & Compatibility

Model NO.CAT E320B, E320C SeriesPart Number4I5674 / 4I-5674
Product NameRotary Solenoid Valve (White Zinc)TypeHydraulic Pump Control Solenoid
ConditionBrand New, OEM Standard ReplacementMOQ1 Piece
Payment TermsT/T, Western Union, MoneyGramStock StatusIn Stock / Fast Dispatch
DeliveryDHL, Fedex, EMS, UPS, Air/SeaPackagingIndustrial Export Packing
ApplicationExcavator engine rebuild, hydraulic system maintenance, system overhaul

3. Procurement Analysis: OEM vs. Common Aftermarket

To help procurement managers make the best decision, we have summarized the 6 core buying points for the 4I5674 valve below:

Core FeaturesStandard 4I5674 ReplacementLow-Cost Alternatives
1. Surface TreatmentHigh-grade White Zinc (Corrosion Resistant)Basic Paint (Easy to rust)
2. Coil SensitivityOEM Standard Response TimeDelayed response / Lag
3. Internal SealingHigh-temp Fluorine RubberStandard Nitrile (Leaks early)
4. Fitment Accuracy100% Direct Plug-and-PlayModification often required
5. LifespanTested for 1,000,000+ CyclesUnknown / Short lifespan
6. WarrantyFull Quality GuaranteeNo after-sales support

4. Professional Diagnostics & FAQ

Q1: What are the symptoms of a failing 4I5674 solenoid on an E320B?A: Common signs include the engine stalling under load, slow hydraulic movement, or the "Pump Control Error" code appearing on the monitor. Replacing the 4I5674 valve usually restores the communication between the ECM and the hydraulic pump.
Q2: Why Choose This Rotary Solenoid Valve?A: Our 4I5674 is built with an OEM-standard tri-metal structure. It is trusted by repair shops and equipment fleets globally for its durability and precise current-to-pressure conversion.
Q3: Is the 4I5674 interchangeable with 4I-5674?A: Yes, they are the same part. The hyphen is often omitted in digital databases, but the physical component and function remain identical for CAT E320B and E320C models.

5. Professional Maintenance Support

Not sure how this issue affects your equipment?

Our team helps operators:

  • Identify potential risks during maintenance

  • Recommend suitable replacement parts if needed

  • Support both inspection advice and parts supply

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About Our Heavy Duty Solutions: We specialize in high-performance engine assemblies and spare parts for world-leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core inventory focuses on engine rebuild success, featuring: Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con Rod Bearings, Thrust Washers, Full Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.

Service Keywords: CAT E320B engine rebuild kit, Komatsu PC200 hydraulic parts, Cummins 6CT turbocharger replacement, Isuzu 4HK1 engine gasket set, Kubota V2203 piston ring supplier, Yanmar marine engine spares, Weichai WD615 diesel pump, Excavator solenoid valve wholesale, Hydraulic pump solenoid troubleshooting, Heavy equipment maintenance parts Asia, Construction machinery parts exporter, Diesel engine cylinder head price, Aftermarket crankshaft supplier, OEM quality excavator liners, Fuel system repair components, E320C maintenance schedule parts, Mining equipment engine overhaul, Industrial diesel engine components, Precision hydraulic control valves, Reliable engine part distributor.

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