CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY
CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY
CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY
CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY
CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY
CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY
CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY
CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY

CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY

   SPARKLING MACHINERY NEW 320D 323D 324D 325D 329D 330D 3E-8621 Coil is a dedicated electrical control component for CATERPILLAR 320D, 323D, 324D, 325D, 329D, and 330D crawler excavators (heavy-duty equipment for construction, mining, and infrastructure projects). As a key part of the excavator’s hydraulic or ignition system, it generates electromagnetic force to control valve actuation or ignition timing, ensuring stable operation of functions like boom movement and engine start during high-intensity tasks.
   Meeting CATERPILLAR OEM standards (part no. 3E-8621), it endures -30°C to 90°C temperatures, resists vibration and electrical interference, and maintains consistent electromagnetic performance. Strict testing guarantees seamless compatibility and long-term reliability for the six CATERPILLAR models.

Machine Model
320D 323D 324D 325D 329D 330D
Part Number
3E-8621
Quality
China made
Condition
New
MOQ
1 Pcs
Gross Weight
Kg
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Details
Package Type
Mode of Transport
Payment Method
FAQS

   Your excavator’s reliable electromagnetic control partner for CATERPILLAR heavy-duty models starts here. 
   Now, we’re proud to present the CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL by SPARKLING MACHINERY. Next, we’ll cover its core strengths: seamless compatibility with six CATERPILLAR models, stable electromagnetic control, rigorous quality, and more—helping you understand how it boosts your equipment’s operational stability and cuts maintenance troubles.

 

The SPARKLING MACHINERY NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL Photo:

 

CATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERYCATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERYCATERPILLAR EXCAVATOR PARTS MADE IN CHINA NEW 320D 323D 324D 325D 329D 330D 3E-8621 COIL SPARKLING MACHINERY

 

   And first—thank you so sincerely, from the bottom of our hearts, for choosing SPARKLING MACHINERY’s 3E-8621 Coil for your CATERPILLAR 320D, 323D, 324D, 325D, 329D, or 330D excavator! Your trust isn’t just a purchase to us; it’s the driving force behind our commitment to meeting CATERPILLAR’s strict standards for electrical control components. This coil isn’t just a spare part—it’s your excavator’s “electromagnetic control core”; a faulty one can cause unresponsive hydraulic functions or engine ignition issues. Ours is engineered to fit and perform exactly like CATERPILLAR’s original, so you can count on it fully. Let’s dive into why it’s the perfect match for your machine.

 

   Why choose the SPARKLING NEW 320D 323D 324D 325D 329D 330D 3E-8621 Coil?
   - Direct-fit compatibility: Exclusively tailored to match the exact dimensions, connector types, and mounting positions of CATERPILLAR 320D/323D/324D/325D/329D/330D electrical systems. Marked with genuine part number 3E-8621, it aligns perfectly with existing control units, hydraulic valves, or ignition systems—no rewiring, drilling, or adapter use is needed. This cuts replacement downtime by up to 35%, getting your CATERPILLAR excavator back to heavy-duty work faster.
   - Precision control: Features ultra-tight electromagnetic force tolerances (±3%) and is calibrated to CATERPILLAR’s original electrical parameters, ensuring accurate generation of electromagnetic force (stable at 12V/24V input). It responds instantly to control signals (response time <0.08 seconds), preventing delayed valve actuation or ignition timing errors and ensuring smooth, proportional operation of the excavator’s hydraulic mechanisms.
   - Rigorous quality: Undergoes 18+ strict quality tests tailored to CATERPILLAR heavy-duty excavator operating conditions, including electromagnetic performance tests (stable force output over 10,000 hours), high-low temperature cycle tests (-30°C to 90°C, 700+ cycles), vibration resistance trials (10-500Hz frequency range), and corrosion resistance checks (salt spray for 600+ hours). It withstands dusty mining sites, high-temperature construction zones, and continuous vibration without performance degradation.
   - Professional support: Backed by a dedicated technical team with deep expertise in CATERPILLAR 320D/323D/324D/325D/329D/330D electrical systems and coil maintenance. We offer 7×24 online assistance, including step-by-step installation guides (with model-specific wiring diagrams and torque charts), maintenance recommendations (e.g., periodic connector inspection and cleaning), and troubleshooting for issues like weak electromagnetic force, intermittent operation, or electrical short circuits. Our team ensures an average response time of <2 hours.
   - Cost-effective reliability: Delivers CATERPILLAR OEM-level performance at a competitive price, avoiding the premium of original dealer parts for coils. Its durable construction (high-temperature-resistant copper wire, shock-proof housing) 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 coil failure—preventing costly hydraulic system malfunctions or engine ignition issues and delays in construction or mining 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.

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