ranroswang@hksparkling.com 
+86 138 2341 8469
24V Magnetic Switch Assembly 125-1302 1251302 for Caterpillar CAT Excavator 320C 320D 330D Premium Starter Relay Replacement
Key Features
OEM-Equivalent Fit: Direct replacement for CAT part number 125-1302 with precise dimensions and electrical compatibility
Heavy-Duty Construction: Manufactured with high-quality materials for enhanced durability, vibration resistance, and long service life
Stable Electrical Performance: Provides reliable current transmission to reduce starting failures and protect the starter system
Built for Harsh Environments: Excellent resistance to heat, moisture, and corrosion, suitable for tough construction sites
Applications
Caterpillar CAT Excavators: 320C, 320D, 330D
Engine starting and electrical systems
Benefits
✔ Improves starting reliability
✔ Extends starter motor lifespan
✔ Reduces maintenance costs and machine downtime
✔ Ideal for aftermarket and replacement use
Product Description:
As an experienced product manager and excavator parts specialist, I present the SPARKLING 24V Magnetic Switch Assembly (Part No. 125-1302 / 1251302) — a precision-engineered replacement designed specifically for Caterpillar CAT Excavators 320C, 320D and 330D. This magnetic switch assembly delivers dependable starter engagement, long life and consistent performance even in the toughest jobsite conditions.
Key Benefits and Features:
- OE-fit and Function: Manufactured to strict dimensional tolerances to ensure plug-and-play compatibility with CAT 320C, 320D and 330D models — no modifications required.
- Robust 24V Design: Optimized for 24V electrical systems common in medium and large excavators to provide reliable solenoid action and rapid starter engagement.
- Durable Materials & Finish: High-grade alloys and corrosion-resistant coatings resist moisture, dust and vibration, extending operating life in harsh environments.
- Precision Manufacturing & QC: Produced under SPARKLING’s stringent quality control processes, including dimensional inspection, electrical testing and endurance cycles for consistent performance.
- Easy Installation & Maintenance: Clear mounting points and connector match ensure quick replacement to minimize downtime and service costs.
- Reliable Under Load: Designed to withstand high current demand and temperature variation, reducing risk of failure during heavy-duty operations.
Why Choose SPARKLING:
SPARKLING MACHINERY, founded in 2013, focuses on high-quality excavator parts with a commitment to stability, precision and perseverance. We supply hydraulic, undercarriage, engine and electrical components compatible with top brands such as Caterpillar, Komatsu, Hitachi and Volvo. Our global sales network, strict manufacturing standards and responsive technical support make us a trusted partner. We offer competitive pricing, customization options and continuous after-sales service to help you reduce operating costs and keep equipment running.
Application:
Direct replacement for Caterpillar CAT 320C, 320D and 330D excavators requiring part number 125-1302 / 1251302. Ideal for fleet maintenance, repair shops and heavy equipment operators seeking dependable electrical components.
Purchase & Support:
For inquiries, bulk pricing or technical assistance, contact SPARKLING MACHINERY. Backed by professional consultation and global logistics, we help ensure fast delivery and installation confidence.
Keywords: 24V Magnetic Switch Assembly, 125-1302, 1251302, Caterpillar, CAT 320C, 320D, 330D, excavator parts, SPARKLING.
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📦 Packing
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
🚚 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.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
foreverlucia1
Whatsapp: +8613609010879