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CSF 3850 OEM Style Replacement Secondary Radiator
PART#
3850 | SKU CSF3850
★★★★★
Vehicle Fitment For:
2017-2025 Ford 6.7L Powerstroke (Secondary Radiator) (Standard Output Engine)
See full application list below
NOTES: Fits standard output engine models only from 2023 and up.
$266.40
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Description
Look no further than the CSF 3850 OEM Style Replacement Secondary Radiator when it comes time to replace the secondary radiator in your Ford 6.7 Powerstroke. CSF radiators are constructed using the highest quality components available. As a proud ISO certified cooling system manufacturer, CSF works with many OEM customers around the world.
Individually pressure tested and serial number certified, each CSF radiator is built to OE specifications for a true "drop-in" fit for a true "by the book" installation. CSF radiators go through extensive in-house testing that includes wind tunnel, burst pressure, vibration, thermal cycle, and salt spray corrosion testing. Comes backed by 1 year warranty.
Features:
- Secondary Radiator
- OEM Replacement
- Drop-In Installation
- 1 Year Warranty
Specifications:
Bottom Hose Fitting: 7/8" Left
Top Hose Fitting: 7/8" Left
Core Length: 39-3/8"
Core Material: Aluminum
Core Thickness: 1-5/8"
Core Width: 20-11/16"
Cross-flow/ Down-Flow: Cross Flow
Hazardous Material: No
Inlet Length: 21-3/8"
Inlet Width: 2-1/8"
No. Of Rows: 2
Oil Cooler: No
Outlet Length: 21-3/8"
Outlet Width: 2-1/8"
Radiator Cap Supplied: No
Tank Material: Plastic
Tech Note: O.E.M. Style Plastic Tank & Aluminum Core With Quick-Connect Inlet & Outlet Pipe
Manufacturer Warranty*:
1 Year
1 Year
Note:
Fits standard output engine models only from 2023 and up.
Reviews For CSF 3850
Overall Rating
/5
5 Reviews
Rating Snapshot
5
0
0
0
0
Verified Buyer
Excellent service, product works as it should
Evan (Weatherford TX) | March 1st, 2026
The product works exactly as it should, but the really great thing is the company is getting me my part super fast. I had ordered the part and paid for expedited shipping. They sent the product right same day, and I had my part by the time it was expected. Thanks for getting it done so quickly!
Verified Buyer
Radiator
Mike (West Virginia) | December 29th, 2023
Perfect OEM fit easy install.
Verified Buyer
New Superduty auxiliary radiator
Vince (So Cal) | April 30th, 2023
Road debris punctured the aux radiator on our new super duty. I ordered the replacement from Xtremediesel - best price, free shipping, and received within a few days. The radiator bolted up and works perfectly.
Verified Buyer
2020 F-250 6.7 secondary radiator (order#2502068B)
J (Hondo,Tx) | October 22nd, 2022
Great product, with fast shipping, and everything fits to the T! Definitely a quality product, thanks.
Secondary radiator
Robin (Klamath falls oregon) | March 26th, 2021
Product was nicely packaged zero damage an on time.....highly recommended
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Frequently Asked Questions
Does this radiator come with the two thermostats?
No, the CSF 3850 OEM Style Replacement Secondary Radiator does not include any thermostats.
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Specifications For CSF 3850
MPN
3850
SKU
CSF3850
GTIN
710353038505
ID
50044
Manufacturer Name
CSF
Shipping Weight
25.00 lb.
Shipping Length
48 in.
Shipping Width
7 in.
Shipping Height
25 in.
Fuel Type
Diesel
Manufacturer Warranty*
1 Year
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Cross Reference #
13716, CU13716, FO3010359, HC3Z8005A, HC3Z8005E
Internal
L2R1
ITEM ADDED TO CART
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Product prices marked with an * may require additonal fees, such as a core charge, which will be displayed in the cart.