324-4128 Coolant Temperature Regulator for Caterpillar 320D 312D 323D
324-4128 Caterpillar Coolant Temperature Regulator | Fits 320D 312D 323D
Product Information
-
- Replacement Brand: Caterpillar
- Category: Cooling System – Coolant Temperature Regulator
- Part Number: 324-4128
- Part Name: Coolant Temperature Regulator
- Alternative OEM: 3244128
- Engine Model: Caterpillar 3066, C6.4, C4.2
- Compatible Equipment: Caterpillar 320D, 312D, 323D, 311D LRR, 313D, 319D L
- Condition: New Aftermarket Replacement
1. 5I-7867 Caterpillar 3066, C6.4, C4.2 COVER AS
1A. 5I-7655 Caterpillar 3066, C6.4, C4.2 PIPE
2. 154-9024 Caterpillar 3066, C6.4, C4.2 VALVE-SAMPLING (ENGINE COOLANT)
3. 157-0670 Caterpillar 3066, C6.4, C4.2 CAP-DUST
4. 5I-7646 Caterpillar 3066, C6.4, C4.2 ELBOW
5. 294-1777 [2] GASKET
6. 5I-8056 [2] PLUG
7. 096-9532 [2] WASHER (15.8X22.5X2-MM THK)
8. 270-6338 Caterpillar 3066, C6.4, C4.2 BOLT AS
8A. 3B-4505 Caterpillar 3066, C6.4, C4.2 LOCKWASHER
9. 294-1778 Caterpillar 3066, C6.4, C4.2 HOSE
10. 324-4128 Caterpillar 3066, C6.4, C4.2 REGULATOR (COOLANT TEMPERATURE)
11. 5I-7735 Caterpillar 3066, C6.4, C4.2 GASKET (WATER TEMPERATURE REGULATOR)
12. 096-8619 [3] BOLT
13. 297-7655 Caterpillar 3066, C6.4, C4.2 BOLT
14. 3B-4505 Caterpillar 3066, C6.4, C4.2 LOCKWASHER
15. 2S-3440 [2] CLAMP-HOSE
16. 294-1780 Caterpillar 3066, C6.4, C4.2 GASKET (WATER TEMPERATURE REGULATOR)
17. 296-4733 Caterpillar 3066, C6.4, C4.2 SPACER
Product Function & Specs:
The 324-4128 is a Caterpillar coolant temperature regulator used in the engine cooling system and water-line group. It restricts coolant flow between the engine block and radiator until the engine reaches its operating temperature. Cat lists a height of 2.44 inches, diameter of 2.87 inches, and carbon steel material for this part.
Failure Symptoms:
- Engine temperature remains below the expected operating range
- Engine temperature rises excessively during operation
- Coolant temperature fluctuates abnormally
Quick Installation Notes:
- Allow the cooling system to cool before removing the existing temperature regulator.
- Clean and inspect the regulator housing and gasket sealing surfaces before installation.
- Refill and bleed the cooling system according to the applicable Caterpillar service procedure, then check for coolant leakage.
Maintenance Tips:
- Maintain the specified coolant level and coolant condition.
- Inspect the cooling system for leaks during scheduled maintenance.
- Monitor engine coolant temperature for changes from normal operating behavior.
FAQ:
Q: What is Caterpillar 324-4128?
A: 324-4128 is a Caterpillar coolant temperature regulator used in water-line and engine cooling-system applications.
Q: Which engines use 324-4128?
A: Public parts listings associate this part with Caterpillar 3066, C6.4, and C4.2 engine applications.
Q: Which Caterpillar machines use this regulator?
A: Cat lists applications including 320D, 312D, 323D, 311D LRR, 313D, and 319D L. Confirm the machine configuration and serial number before ordering.
Q: What are the published dimensions?
A: Caterpillar lists a height of 2.44 inches and diameter of 2.87 inches. Cat also identifies carbon steel as the material.
Q: Is 324-4128 an OEM or aftermarket replacement?
A: The product offered by WinsParts is a new aftermarket replacement for Caterpillar part number 324-4128. It should be matched against the required machine and serial-number application before installation.
Why Sourcing From WinsParts?
We support part-number and application verification before quotation, helping dealers and repair workshops confirm the required cooling-system component for their Caterpillar equipment.
Global Logistics & Secure Transit
We deliver high-performance construction machinery parts to wholesalers, repair shops, and operators worldwide. To minimize your machinery downtime, we offer flexible shipping options tailored to your urgency and budget:
Our Reliable Shipping Methods:
- Express Delivery (DHL, FedEx, UPS): 3–7 business days worldwide. Best for urgent orders (e.g., electronic controllers, injector nozzles, seal kits).
- Standard & Economy Shipping: 7–21 days depending on the destination. Ideal for cost-effective transit with full end-to-end tracking.
- Sea Freight & Air Cargo: Recommended for heavy assemblies such as complete engine blocks, hydraulic main pumps, and undercarriage track links.
Dispatch Timeline:
- Orders for in-stock items placed before 2:00 PM (GMT+8, Monday–Friday) are dispatched the same day.
- Later orders or customized orders will be shipped the next working day.
Critical Selection Reminder: Please make sure your Part Numbers match our product listings. If you are unsure, simply contact our engineering team via WhatsApp. We will cross-verify compatibility using official electronic catalogs (SIS/EPC) based on your machinery nameplate.
Payment Methods & Export Terms
To ensure a smooth B2B procurement experience, WinsParts supports multiple secure global payment methods:
- International Credit/Debit Cards: Secure online processing via Visa, Mastercard, and major global gateways.
- Digital Wallets: Fast and verified transfers via PayPal and Stripe.
- Bank Telegraphic Transfer (T/T): Recommended for large-scale wholesale orders. A formal Proforma Invoice (PI) containing our official corporate bank details will be sent via email upon order confirmation.
Export Customs & VAT Policy:
- All prices displayed on our website are exclusive of local VAT and destination import duties unless specified otherwise.
- Full shipping documentation—including Commercial Invoices, Packing Lists, and Certificates of Origin (CO)—is provided with every shipment to ensure seamless customs clearance in your country.
Gz Wins Construction Engineering Co., Ltd. is a premier manufacturer and global supplier specializing in the diversification of engineering machinery parts. With over a decade of industry expertise, we integrate development, production, and professional marketing to provide a one-stop solution for the world’s most demanding machinery brands.
We don’t just sell parts; we manage reliability. Our products are rigorously tested and successfully exported to America, Europe, Southeast Asia, the Middle East, and Africa. We pride ourselves on maintaining a massive inventory that ensures your machinery downtime is kept to an absolute minimum.
Strategic Brand Specialization
We are the preferred choice for heavy machinery operators who prioritize uptime and performance. Our inventory is specifically optimized for:
KOBELCO Excavators: * Unrivaled stock of Genuine Engine Components series.Full range of Hydraulic Pump & Valve solutions to restore factory-speed operation.
HITACHI Excavators: * Comprehensive parts support for Zaxis series, from ISUZU engine internals to advanced electronic controllers.
Why Professional Buyers Choose Us:
Technical Match Precision: We use official parts catalogs to ensure 100% compatibility based on your machine’s serial number.
Global Supply Strength: Specialized export experience to America, Europe, and the Middle East ensures smooth logistics for your KOBELCO and HITACHI parts.
