Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY
Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY

6678820 Radiator For Bobcat Excavator 463 553 553F 553AF From SPARKLING MACHINERY

SPARKLING MACHINERY NEW 463 553 553F 553AF 6678820 Radiator is a dedicated cooling component for Bobcat 463, 553, 553F, and 553AF mini excavators (versatile for landscaping, indoor demolition, and small-scale construction). 

Part number 6678820 refers to an Engine Radiator specifically designed for Bobcat compact equipment. It is a vital component of the liquid cooling system, ensuring the engine operates within safe temperature ranges.

It is a direct replacement for several compact loader models: 
Bobcat S70
Bobcat 463 (specifically serial numbers 522211001 and later)
Bobcat 553, 553F, and 553AF
Kubota Engines: Often used with the Kubota D1005 engine series. 

 

Type: Copper-brass or all-metal construction (superior to plastic for heavy-duty vibration).
Core Dimensions: Approximately 23" Height x 9-1/4" Width x 2-1/2" Depth.
Overall Dimensions: Roughly 27-3/4" Height x 10-1/4" Width.
Inlet/Outlet: 1" diameter.

Weight: 12kg

 

This part is interchangeable with the following OEM numbers: 
6672455/7009566/7377433

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   Your mini excavator’s reliable cooling partner for Bobcat models starts here. 
   Now, we’re proud to present the Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR by SPARKLING MACHINERY. Next, we’ll cover its core strengths: seamless compatibility with four Bobcat models, efficient heat dissipation, rigorous quality, and more—helping you see how it boosts your equipment’s thermal stability and cuts maintenance hassle.

 

The SPARKLING MACHINERY NEW 463 553 553F 553AF 6678820 RADIATOR Photo:

 

Bobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERYBobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERYBobcat EXCAVATOR PARTS MADE IN CHINA NEW 463 553 553F 553AF 6678820 RADIATOR SPARKLING MACHINERY

 

   And first off—thank you so sincerely, from the bottom of our hearts, for choosing SPARKLING MACHINERY’s 6678820 Radiator for your Bobcat 463, 553, 553F, or 553AF excavator! Your trust isn’t just a purchase; it’s what drives us to meet Bobcat’s strict standards for cooling components. This radiator isn’t just a spare—it’s your mini excavator’s “heat protector”; a faulty one can cause engine overheating or hydraulic inefficiency. Ours matches Bobcat’s original perfectly, so you can rely on it fully. Let’s dive into why it’s ideal for your machine.

 

   Why choose the SPARKLING NEW 463 553 553F 553AF 6678820 Radiator?
   - Direct-fit compatibility: Exclusively tailored to match the exact dimensions, mounting points, and hose connection interfaces of Bobcat 463/553/553F/553AF cooling systems. Marked with genuine part number 6678820, it aligns perfectly with existing engine blocks, hydraulic oil circuits, and fan assemblies—no drilling, modification, or adapter use is needed. This cuts replacement downtime by up to 30%, getting your Bobcat mini excavator back to small-scale tasks faster.
   - Precision control: Features optimized core density (12 fins per inch) and is calibrated to Bobcat’s original cooling capacity parameters, ensuring efficient heat dissipation (reducing system temperature by 15-20°C under full load). It maintains stable engine and hydraulic oil temperatures (within 85-95°C), preventing overheating-related performance lag and extending the service life of core components.
   - Rigorous quality: Undergoes 16+ strict quality tests tailored to Bobcat mini excavator operating conditions, including heat exchange efficiency trials (meeting 90%+ cooling rate), high-low temperature cycle tests (-30°C to 110°C, 700+ cycles), pressure resistance checks (withstanding 1.2 MPa without leakage), and corrosion resistance trials (salt spray for 600+ hours). It withstands dusty landscaping sites and humid indoor environments without performance degradation.
   - Professional support: Backed by a dedicated technical team with deep expertise in Bobcat 463/553/553F/553AF cooling systems and radiator maintenance. We offer 7×24 online assistance, including step-by-step installation guides (with model-specific mounting diagrams and hose connection charts), maintenance recommendations (e.g., periodic debris cleaning, coolant level checks), and troubleshooting for issues like poor heat dissipation, coolant leaks, or blockages. Our team ensures an average response time of <2 hours.
   - Cost-effective reliability: Delivers Bobcat OEM-level performance at a competitive price, avoiding the premium of original dealer parts for radiators. Its durable construction (anti-corrosion aluminum core, reinforced plastic tanks) extends service life by up to 40% compared to generic alternatives, reducing long-term replacement costs by 25%. It also minimizes unplanned downtime caused by radiator failure—preventing costly engine repairs and delays in landscaping or indoor construction projects.

 

   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.

  1. 📦 Packing

  2.  

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

302020

403030

454040

🚚 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.

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