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High-Performance JCB Thermostat: Part Number 320-04552 & 320-04618

Ensure your engine maintains the perfect operating temperature with our premium 320-04552 and 320-04618 thermostats. Specifically engineered for JCB diesel engines, these components (also known as 32004552 and 32004618) are essential for preventing overheating and optimizing fuel efficiency during heavy-duty operations.

Technical Specification & Supply Details

AttributeDetails for 320-04552 / 320-04618
Model CompatibilityJCB Excavators, Backhoe Loaders, Telehandlers
Product NameEngine Coolant Thermostat
Part Number (Standard)320-04552, 320-04618
Part Number (Digital Search)32004552, 32004618
ConditionBrand New, OEM Standard Replacement
MaterialHigh-Grade Copper and Stainless Steel Construction
ApplicationEngine Rebuild, Overhaul, Routine Maintenance
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsDHL, Fedex, EMS, UPS, Air Freight, Sea Freight
Stock StatusIn Stock / Fast Dispatch
MOQ1 Piece

Comparison: Why Professional Operators Choose Our Replacement

When sourcing engine parts, the choice between generic and OEM-standard components determines your machine's uptime. Here is how our thermostat stands up against common market alternatives.

Critical Selection FactorsStandard Market "Will-Fit"Our OEM-Standard Replacement
Temperature PrecisionVariable (±5°C)Strict OEM Calibration (±1°C)
Seal DurabilityStandard RubberHeavy-Duty Viton/High-Temp Seals
Response TimeSlow thermal reactionRapid Actuation for Overheat Protection
Corrosion ResistancePlated SteelAnti-Corrosive Brass/Stainless Alloy
Fleet CompatibilityMay require modification100% Drop-in Fit for 320-04552 / 320-04618
Maintenance LifecycleShort/UnpredictableExtended Service Intervals

Not sure how this issue affects your equipment?

Mechanical failure in the cooling system can lead to catastrophic engine damage. Our team helps operators:

  • Identify potential risks during maintenance checks

  • Recommend suitable replacement parts if needed

  • Support both inspection advice and parts supply for your fleet

Why Choose This Product?
Our thermostats feature an OEM-standard tri-metal structure and are trusted by repair shops and equipment fleets globally for their reliability in harsh construction environments.

Frequently Asked Questions (AFQ) & Maintenance Support

1. What are the symptoms of a failing 320-04552 thermostat in a JCB engine?
Common signs include the engine taking too long to reach operating temperature or sudden overheating. If your temp gauge fluctuates wildly under load, it is time to check your 320-04552 or 32004552 unit.
2. Can I use 320-04618 as a direct replacement for my excavator?
Yes, the 320-04618 (32004618) is designed to meet or exceed original specifications. Always verify your specific engine serial number to ensure a perfect match during an overhaul.
3. How often should the thermostat be replaced during a maintenance cycle?
We recommend inspecting the cooling system every 2,000 hours. Replacing the thermostat during a major engine rebuild or water pump service is a cost-effective way to prevent future downtime.

About Our Professional Engine Parts Supply

We specialize in providing high-quality engine assemblies and components for global brands including CumminsKomatsuCaterpillarIsuzuKubotaYanmar, and Weichai. Our mission is to keep your machinery moving with parts that last.

Global Engine Solutions: Cylinder Liner Kits, Precision Pistons, Piston Rings, Crankshaft Main Bearings, Connecting Rod Bearings, Thrust Washers, Full Engine Overhaul Gasket Sets, Diesel Fuel Injection Pumps, High-Pressure Injectors, Forged Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, Connecting Rods, Engine Valves, Camshafts, Oil Coolers, Flywheel Ring Gears.

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