CSF 3845 Radiator
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CSF

CSF 3845 Radiator

Brand CSF 3845
Core Thickness 1 1/4
Core Width 25 11/16
Core Material Aluminum
Tank Material Plastic
Core Length 30 3/4
Inlet Diameter 1 5/16 right
Outlet Diameter 1 5/16 left
Down Flow Or Cross Flow Type Cross flow
Radiator Core Row Quantity 1
Cap Included No
Box Height (in) 7 1/4
Box Length (in) 40 11/16
Box Weight (lbs) 19
Box Width (in) 31 5/8
Hazardous Material No
Inlet Length (in) 26 7/16
Inlet Width (in) 1 5/8
Oil Cooler (in) 11 13/16 left & right (high-effeciency plate type)
Outlet Length (in) 26 7/16
Outlet Width (in) 1 15/16
Tech Note O.e.m. style plastic tanks & aluminum core with quick-connect oil
Fits Buick and Chevrolet · 13 vehicles

OE-style construction. Plastic tanks and an aluminum core match the original design.

Cross-flow design. Promotes efficient coolant flow through a single-row core.

Quick-connect fittings. Oil cooler connections simplify installation.

Cross-references Bosch 13688, Partslink Numbering System GM3010613 and 84274378 for the same application. See all 6.

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CSF 3845 Radiator for Traverse and Enclave

CSF 3845 is an OE-style radiator built with an aluminum core and plastic tanks for direct replacement service on select Buick and Chevrolet SUVs. It is engineered for the 2018-2021 Chevrolet Traverse and 2018-2020 Buick Enclave, with upgraded-model coverage extending to the 2022-2023 Traverse and 2021-2024 Enclave.

Key Features

  • Aluminum core with plastic tank construction
  • Cross-flow radiator design
  • 1-row core layout
  • Core thickness: 1 1/4 in.
  • Core dimensions: 30 3/4 in. length x 25 11/16 in. width
  • Inlet diameter: 1 5/16 in., right side
  • Outlet diameter: 1 5/16 in., left side
  • High-efficiency plate-type oil cooler on left and right sides
  • OE-style plastic tanks with quick-connect oil cooler fittings
  • Cap not included

Detailed Description

CSF part number 3845 is a radiator assembly for GM crossover applications that require OE-style fitment and integrated cooling hardware. The aluminum core and plastic tank design follow the factory-style layout, while the cross-flow configuration and single-row core support efficient coolant routing. This radiator also includes a high-efficiency plate-type oil cooler arrangement with quick-connect fittings, matching the original equipment style used on the Chevrolet Traverse and Buick Enclave.

This part cross-references Bosch 13688 for the same application. It also cross-references GM3010613 in the Partslink numbering system. If you are replacing a leaking or damaged radiator on a 2018-2021 Chevrolet Traverse, 2018-2020 Buick Enclave, 2022-2023 Chevrolet Traverse, or 2021-2024 Buick Enclave, CSF 3845 provides the correct OE-style configuration for those vehicles.

What It Is Used For

  • Replacing a cracked or leaking radiator
  • Restoring proper engine coolant circulation
  • Addressing overheating caused by radiator core damage
  • Replacing a unit with damaged plastic tanks or fittings
  • Servicing vehicles with integrated oil cooler connections

Installation Notes and Tips

Verify inlet and outlet orientation before installation: the inlet is on the right and the outlet is on the left. Confirm that the vehicle uses the OE-style quick-connect oil cooler fittings and compare the radiator dimensions to the original unit before removal. Transfer any required components from the original cooling system as needed, and inspect hoses, clamps, and related cooling lines for wear while the system is open.

Quality Assurance

CSF builds this radiator with OE-style plastic tanks, an aluminum core, and factory-style oil cooler fittings to match the original cooling system layout on the listed Buick and Chevrolet applications. Part number 3845 is specified for direct replacement use on the confirmed fitment range.

Related reading

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2024BuickEnclave3.6LV6N/AUpgraded Model
2023BuickEnclave3.6LV6N/AUpgraded Model
2023ChevroletTraverse3.6LV6N/AUpgraded Model
2022BuickEnclave3.6LV6N/AUpgraded Model
2022ChevroletTraverse3.6LV6N/AUpgraded Model
2021BuickEnclave3.6LV6N/AUpgraded Model
2021ChevroletTraverse3.6LV6N/AOE style design ensures optimal fitment and performance.
2020BuickEnclave3.6LV6N/AOE style design ensures optimal fitment and performance.
2020ChevroletTraverse3.6LV6N/AOE style design ensures optimal fitment and performance.
2019BuickEnclave3.6LV6N/AOE style design ensures optimal fitment and performance.
2019ChevroletTraverse3.6LV6N/AOE style design ensures optimal fitment and performance.
2018BuickEnclave3.6LV6N/AOE style design ensures optimal fitment and performance.
2018ChevroletTraverse3.6LV6N/AOE style design ensures optimal fitment and performance.
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 13688Partslink Numbering System — GM301061384274378842743798456992884569929