Truck 421248A-3604 Engine Fan Clutch Vibration Reduction Long Lifespan
421248A-3604 Engine Fan Clutch
,421248A-3604 electronic viscous fan clutch
,Vibration reduction Engine Fan Clutch
| Description | Fan Clutch |
| Vehicle Type | Truck/Heavy duty truck |
| Brand | RAM |
| Trade Mark | AOWO |
| Model | Ram 2500,3500,4500,5500 |
| OEM NO | 421248A-3604 |
- Energy saving: Saves 5% fuel compared to wheel hub
- Environmental protection: Reduces pollution and exhaust emissions
- Noise reduction: Minimizes operational noise
- Vibration reduction: Extends engine and fan system lifespan
- Direct factory pricing with no middleman markup
- Large inventory with 24/7 automated production
- 5000+ models covering wide applications
- Specializes in silicone oil clutches, electronically controlled clutches, and fan assemblies
- Suitable for heavy trucks, light trucks, construction machinery, and more
| Brand | AOWO |
| Origin | Hubei Macheng |
| Material | 100% aluminum (customizable PA available) |
| Customization | Free labeling and brand packaging options |
| Certificate | ISO9001, ISO14001:2015, IATF16949:2016 |
| Warranty | 2 years or 200,000km |
Hubei Aowo Automotive Technology Co., Ltd., established in 2008, specializes in fan blades, fan clutches, water pumps, and fan assemblies. With over 5000 product models, we offer comprehensive solutions for various vehicle types.
Our mature production line features strict quality control from raw material selection to final product. Advanced equipment and processes ensure high-quality, stable output.

- Customized color box (minimum 200 pieces)
- Neutral box (free)
- AOWO box (free)
- Wooden box

Our products meet ISO9001, ISO14001:2015, and IATF16949:2016 standards, with additional high-tech enterprise and invention patents.

We serve customers worldwide including Russia, Germany, Malaysia, and Brazil, regularly participating in international exhibitions.

We are a factory specializing in engine cooling systems for over 20 years, focusing exclusively on fan clutches, fan blades, and water pumps.
Established in 2008, we have full production capabilities from parts to finished products.
We provide comprehensive fan clutch and fan blade solutions for European, Russian, Japanese, and Chinese trucks, as well as construction and agricultural machinery.
Europe, Middle East, Asia, Africa, America, and South America.
We hold ISO9001, ISO14001:2015, TS16949, and IATF16949:2016 certifications.
Yes, we offer customized packaging options along with standard AOWO and neutral boxes.
1 year or 100,000 kilometers warranty.
We maintain large stock for immediate shipment (within 7 days), with bulk orders requiring 30-45 days production time.