Skip to product information
Usually ships in 2–4 business days.
3850 Secondary Radiator for CSF for Ford F250 F350 F450 F550 6 7L V8 Diesel
$1,055.99
Sale price
$1,055.99
Regular price
Available to Order
This CSF 3850 Secondary Radiator is a cooling system component compatible with 2017-24 Ford F250 F350 F450 F550 6.7L V8 Diesel and matches OEM Part# 3850.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
The CSF 3850 Secondary Radiator offers superior heat exchange capabilities for the 6.7L Power Stroke diesel engine. Installing a CSF 3850 Secondary Radiator helps lower auxiliary cooling temperatures during heavy towing or extreme duty cycles. The CSF 3850 Secondary Radiator is engineered for high-performance cooling efficiency.
Key Features & Performance
- All-aluminum construction for maximum heat transfer
- Increased core volume over stock units
- Brazed core design for improved durability
- Direct-fit replacement for the OE secondary radiator
Fitment & Compatibility
- 2017-2024 Ford F-250 Super Duty 6.7L V8 Diesel
- 2017-2024 Ford F-350 Super Duty 6.7L V8 Diesel
- 2017-2024 Ford F-450 Super Duty 6.7L V8 Diesel
- 2017-2024 Ford F-550 Super Duty 6.7L V8 Diesel
Common Uses
- Heavy-duty towing and hauling
- High-ambient temperature driving environments
- Maintaining engine performance under load
Technical Specifications
- Part Number(s): 3850
- Material: Aluminum
Q: Is this a bolt-on replacement for the factory secondary radiator? A: Yes, this unit is designed to utilize the existing factory mounting points and hose connections.
Q: Will this fit gasoline models? A: This radiator is specifically designed for the 6.7L V8 Diesel engine cooling system requirements.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.