Part #: 3773

CSF 3773 Radiator

⚙️ 15 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Highlander
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Overview of CSF Radiator Part Number 3773 for Toyota Highlander

The CSF radiator 3773 is designed specifically for Toyota Highlander models, providing reliable cooling performance with OEM-style construction. Featuring a durable aluminum core and plastic tanks, this radiator supports efficient engine temperature regulation for your vehicle.

  • Core thickness: 5/8 inch
  • Core width: 29 11/16 inches
  • Core length: 20 5/8 inches
  • Aluminum core material with plastic tanks
  • Down flow radiator type with a single core row
  • Inlet and outlet diameters: 1 5/16 inches (left inlet, right outlet)
  • Includes a high-efficiency plate type oil cooler measuring 14 3/4 inches
  • Cap not included; compatible with CSF cap number 4514

Detailed Product Description

This CSF radiator 3773 is engineered for the Toyota Highlander, featuring a down flow design that optimizes coolant flow through a single-row aluminum core. The 5/8 inch core thickness and substantial core dimensions (29 11/16 inches wide by 20 5/8 inches long) ensure effective heat dissipation. The plastic tanks are molded to OEM specifications, providing a balance of durability and weight savings. Both the inlet and outlet have a diameter of 1 5/16 inches, positioned on the left and right sides respectively, facilitating straightforward hose connections. Additionally, the integrated 14 3/4 inch high-efficiency plate type oil cooler enhances overall cooling capacity, supporting engine longevity under demanding conditions.

Common Applications and Problem Resolution

  • Replaces leaking or cracked radiators in Toyota Highlander vehicles
  • Addresses overheating issues caused by inefficient cooling
  • Restores proper coolant flow with OEM-style plastic tanks and aluminum core
  • Solves coolant contamination or corrosion problems in the radiator core
  • Supports engine oil temperature regulation through the integrated oil cooler

Installation Notes and Tips

  • Compatible with Toyota Highlander models requiring a down flow radiator with 1 5/16 inch inlet/outlet diameters
  • Ensure the use of CSF cap number 4514 or equivalent, as the cap is not included
  • Inspect hoses and clamps for wear during installation to maintain a secure coolant system
  • Flush the cooling system before installation to prevent contamination
  • Verify radiator mounting points align with vehicle specifications for proper fitment

Quality Assurance and Warranty

The CSF radiator 3773 is manufactured to meet OEM standards, featuring high-quality aluminum core construction and durable plastic tanks. This radiator is free from hazardous materials and designed for long-term reliability. While specific warranty details should be confirmed with the distributor, CSF products typically include a limited warranty covering defects in materials and workmanship.

BrandCSF
Part Number3773
Box Height (in)6 7/16
Box Length (in)32 1/4
Box Weight (lbs)12
Box Width (in)28 1/4
Cap IncludedNo
Core Length20 5/8
Core MaterialAluminum
Core Thickness5/8
Core Width29 11/16
Csf Cap Number4514
Down Flow Or Cross Flow TypeDown Flow
Hazardous MaterialNo
Inlet Diameter1 5/16 Left
Inlet Length (in)30 3/16
Inlet Width (in)1 5/8
Oil Cooler (in)14 3/4 (high-efficiency Plate Type)
Outlet Diameter1 5/16 Right
Outlet Length (in)30 3/16
Outlet Width (in)1 5/8
Radiator Core Row Quantity1
Tank MaterialPlastic
Tech NoteO.E.M. style Plastic tanks & Aluminum core.

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2019ToyotaHighlander3.5LV6ELECTRIC/GASN/AHybrid
2019ToyotaHighlander2.7LL4N/A
2018ToyotaHighlander2.7LL4N/A
2018ToyotaHighlander3.5LV6ELECTRIC/GASN/AHybrid
2017ToyotaHighlander3.5LV6ELECTRIC/GASN/AHybrid
2017ToyotaHighlander2.7LL4N/A
2016ToyotaHighlander3.5LV6GASN/A
2016ToyotaHighlander3.5LV6ELECTRIC/GASN/AHybrid
2016ToyotaHighlander2.7LL4N/A
2015ToyotaHighlander3.5LV6GASN/A
2015ToyotaHighlander3.5LV6ELECTRIC/GASN/AHybrid
2015ToyotaHighlander2.7LL4N/A
2014ToyotaHighlander3.5LV6ELECTRIC/GASN/AHybrid
2014ToyotaHighlander3.5LV6GASN/A
2014ToyotaHighlander2.7LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1344913450135301358616400 0P41016400 0P42016400 0V23016400-0P440TO3010343TO3010344TO3010347

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.