Part #: 3696

CSF 3696 Radiator

1 Row Plastic Tank Aluminum Core
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦1 Row Plastic Tank Aluminum Core
🚗Fitment: Subaru, Forester
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of CSF 3696 Radiator for Subaru Forester

The CSF 3696 radiator is designed specifically for Subaru Forester models, featuring a durable aluminum core paired with OE-style plastic tanks. This radiator ensures efficient cooling performance with a down flow design and precise fitment for reliable vehicle operation.

  • Core Thickness: 7/8 inch
  • Core Width: 27 inches
  • Core Length: 13 7/16 inches
  • Aluminum core with plastic tanks
  • Down flow radiator type
  • Inlet and outlet diameter: 1 9/16 inches (left side)
  • Single core row design
  • Cap not included (CSF cap number 4540 compatible)

Details on the 1 Row Plastic Tank Aluminum Core Product Line

The CSF 1 Row Plastic Tank Aluminum Core product line combines lightweight aluminum cores with OE-style plastic tanks to provide a balance of durability and cost-effectiveness. This line is engineered to meet original equipment specifications, making it suitable for direct replacement applications such as the Subaru Forester radiator part number 3696.

Technical Description and Specifications

This radiator features a 7/8 inch thick aluminum core measuring 27 inches wide and 13 7/16 inches long, optimized for heat dissipation in Subaru Forester vehicles. The down flow design facilitates efficient coolant movement through the single core row, while the plastic tanks reduce weight without compromising structural integrity. Both the inlet and outlet have a diameter of 1 9/16 inches located on the left side, ensuring compatibility with the Forester's cooling system. The radiator does not include a cap but is compatible with CSF cap number 4540.

Common Applications and Problem Solving

  • Replacement for leaking or damaged Subaru Forester radiators
  • Resolving overheating issues due to core blockages or corrosion
  • Addressing coolant leaks from cracked plastic tanks
  • Upgrading to an OEM-style radiator for consistent cooling performance
  • Fixing radiator failures caused by physical damage or wear

Installation Notes and Tips

  • Ensure compatibility with Subaru Forester models before installation
  • Drain coolant completely before removing the old radiator
  • Inspect hoses and clamps for wear and replace if necessary
  • Use the recommended CSF radiator cap (part number 4540) if a cap replacement is needed
  • Check for proper alignment of inlet and outlet connections during installation

Quality Assurance and Warranty Information

The CSF 3696 radiator is manufactured to meet OEM standards, featuring a robust aluminum core and plastic tanks designed for durability and reliable cooling. This radiator is free from hazardous materials and undergoes quality control to ensure fitment and performance. Warranty details should be confirmed with the distributor or manufacturer at the time of purchase.

BrandCSF
Part Number3696
Position1 Row Plastic Tank Aluminum Core
Box Height (in)4 11/16
Box Length (in)29 11/16
Box Weight (lbs)9
Box Width (in)20 9/16
Cap IncludedNo
Core Length13 7/16
Core MaterialAluminum
Core Thickness7/8
Core Width27
Csf Cap Number4540
Down Flow Or Cross Flow TypeDown Flow
Hazardous MaterialNo
Inlet Diameter1 9/16 Left
Inlet Length (in)27 13/16
Inlet Width (in)1 9/16
Outlet Diameter1 9/16 Left
Outlet Length (in)27 13/16
Outlet Width (in)1 9/16
Radiator Core Row Quantity1
Tank MaterialPlastic
Tech NoteO.E.M. style Plastic tanks & Aluminum core.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018SubaruForester2.5LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2018SubaruForester2.0LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2017SubaruForester2.0LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2017SubaruForester2.5LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2016SubaruForester2.5LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2016SubaruForester2.0LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2015SubaruForester2.0LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2015SubaruForester2.5LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2014SubaruForester2.5LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2014SubaruForester2.0LH4N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core

* 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:

134241342545111 SG00045111 SG010SU3010657SU3010658

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