CSF 3786 Radiator
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CSF

CSF 3786 Radiator

Brand CSF 3786
Box Height (in) 5 1/16
Box Length (in) 33 5/8
Box Weight (lbs) 14
Box Width (in) 25 11/16
Cap Included No
Core Length 25 1/2
Core Material Aluminum
Core Thickness 1 1/4
Core Width 21
Csf Cap Number 4514
Down Flow Or Cross Flow Type Cross Flow
Hazardous Material No
Inlet Diameter 1 3/8 Right
Inlet Length (in) 21 3/4
Inlet Width (in) 1 5/8
Oil Cooler (in) 10 1/16 (high-efficiency Plate Type)
Outlet Diameter 1 3/8 Left
Outlet Length (in) 21 3/4
Outlet Width (in) 1 5/8
Radiator Core Row Quantity 1
Tank Material Plastic
Tech Note O.E.M. style Plastic tanks & Aluminum core.
Fits Toyota · 13 vehicles

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

Cross-flow design. Promotes efficient coolant flow for consistent cooling performance.

Wind tunnel tested. Validated in lab conditions for cooling performance.

Cross-references BBB Industries 13564, Bosch 13565 and Bosch 13566 for the same application. See all 10.

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CSF 3786 Radiator for Toyota Tacoma

The CSF 3786 radiator is an OE-style replacement built for 2016-2023 Toyota Tacoma applications, including 2021 Tacoma models with manual transmission. It uses an aluminum core with plastic tanks to match factory-style cooling system layout and fitment.

Key Features

  • Aluminum core with plastic tanks for OE-style construction
  • Cross-flow design with a 1-row core
  • Core dimensions: 25 1/2 in. length, 21 in. width, 1 1/4 in. thickness
  • Inlet and outlet sizes: 1 3/8 in. right inlet and 1 3/8 in. left outlet
  • Integrated 10 1/16 in. high-efficiency plate-type oil cooler
  • Cap not included
  • Built by CSF, a radiator manufacturer with ISO/TSO-certified factories

Detailed Description

CSF part number 3786 is engineered as a direct-fit radiator for Toyota Tacoma cooling system service. The cross-flow layout, OE-style plastic tank construction, and aluminum core are designed to follow factory packaging and thermal requirements while maintaining the original inlet and outlet orientation. This radiator is a practical choice for Tacoma owners replacing a worn or leaking unit on 2016-2023 trucks, including the 2021 Toyota Tacoma with manual transmission. CSF also notes that its radiators are wind-tunnel tested for cooling performance validation and manufactured across a broad catalog of applications, including many Toyota Tacoma replacement parts.

This part cross-references Partslink TO3010350 and Toyota OE numbers such as 16410-0C420 for the same application.

What It Helps Address

  • Coolant leaks from cracked or aged radiator tanks
  • Overheating caused by reduced heat transfer efficiency
  • Cooling system wear from a clogged or damaged core
  • Fitment issues when replacing an OE-style Tacoma radiator
  • Transmission cooling concerns on manual-transmission Tacoma applications

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet orientation, and oil cooler configuration before installation. This radiator uses a cross-flow layout with the inlet on the right and outlet on the left, so matching the factory routing is important for proper installation. The cap is not included, and the OE-style design is intended to align with factory mounting and hose connections on listed Toyota Tacoma applications.

Quality Assurance

CSF manufactures radiators in ISO/TSO-certified facilities and validates cooling performance through laboratory testing. The brand has supplied radiators worldwide for more than 50 years, with a large catalog of OE-style replacement applications.

Related reading

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2023ToyotaTacoma2.7LL4N/A—
2022ToyotaTacoma2.7LL4N/A—
2021ToyotaTacoma3.5LV6N/Aw/ Manual Trans.
2020ToyotaTacoma3.5LV6N/AOE style design ensures optimal fitment and performance.
2020ToyotaTacoma2.7LL4N/AOE style design ensures optimal fitment and performance.
2019ToyotaTacoma2.7LL4N/AOE style design ensures optimal fitment and performance.
2019ToyotaTacoma3.5LV6N/AOE style design ensures optimal fitment and performance.
2018ToyotaTacoma3.5LV6N/AOE style design ensures optimal fitment and performance.
2018ToyotaTacoma2.7LL4N/AOE style design ensures optimal fitment and performance.
2017ToyotaTacoma3.5LV6N/AOE style design ensures optimal fitment and performance.
2017ToyotaTacoma2.7LL4N/AOE style design ensures optimal fitment and performance.
2016ToyotaTacoma2.7LL4N/AOE style design ensures optimal fitment and performance.
2016ToyotaTacoma3.5LV6N/AOE style design ensures optimal fitment and performance.
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13564Bosch — 13565Bosch — 13566Dorman - HELP — 13563Partslink Numbering System — TO301035016410-0C42016410-0C43016410-0P29016410-0P300TO3010349