ranroswang@hksparkling.com 
+86 138 2341 8469
12V 100A 7Kg 3218902 Alternator for Caterpillar Engines C4.4, C7.1, 3512C
3218902 Alternator (12V, 100A, 7Kg) is a high-efficiency charging system core component for Caterpillar C4.4, C7.1 and 3512C engines, which are widely used in construction machinery, generators and heavy-duty equipment. It converts engine mechanical energy into stable electrical energy to power onboard electronics and charge the battery, ensuring uninterrupted operation of critical systems (hydraulic controllers, lighting, sensors) even under heavy-load conditions.
Voltage: 12V
Amperage: 100A
Design: Internal Fan (IF) and Internal Regulator (IR).
Rotation: Clockwise (CW).
Mounting: Pad mount design common for industrial applications.
Common Engine Applications：
This alternator is a critical electrical component for several Caterpillar engine platforms:
· C4.4 Industrial Engines
· C7.1 Industrial Engines
· 3512C Large Displacement Engines
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY for premium Caterpillar spare parts. The 3218902 Alternator ensures your Cat engine-powered equipment maintains reliable electrical supply, minimizing downtime and maximizing operational efficiency. Our OEM-quality parts are built to withstand harsh construction environments, backed by professional technical support for a hassle-free experience.
The SPARKLING MACHINERY NEW 3218902 Alternator Photo:
Why Choose the SPARKLING 3218902 Alternator?
- Seamless Integration: OEM-matching dimensions eliminate installation adjustments, saving labor costs and reducing machine downtime.
- Reliable Charging Performance: Stable 100A output ensures continuous power for all electrical systems, preventing sudden equipment shutdowns.
- Heavy-Duty Durability: Corrosion-resistant housing and sealed components handle extreme vibration, dust, and temperature fluctuations.
- Cost-Effective Solution: Competitive pricing with long service life, lowering total ownership costs for your equipment fleet.
- Expert Support: Our Cat engine specialists offer pre-purchase compatibility checks, installation guidance, and post-sales troubleshooting.
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.
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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