HomeBelts and Cooling > Radiators, Coolers and Related ComponentsCSF 3146 Radiator And A/C Condenser Assembly
Part #: 3146

CSF 3146 Radiator And A/C Condenser Assembly

1 Row All Aluminum
⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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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 All Aluminum
🚗Fitment: Toyota, Prius
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Overview of CSF 3146 Radiator for Toyota Prius

The CSF 3146 radiator and A/C condenser assembly is designed specifically for Toyota Prius models, providing reliable cooling performance. Featuring a durable all-aluminum construction, this radiator supports efficient heat dissipation to maintain optimal engine temperature.

  • Core thickness: 5/8 inch
  • Core width: 13 11/16 inches
  • Core length: 23 5/8 inches
  • Core material: Aluminum
  • Tank material: Aluminum
  • Inlet diameter: 1 1/4 inch (left side)
  • Outlet diameter: 1 1/4 inch (right side)
  • Cross flow design for effective coolant circulation
  • Single row radiator core
  • Cap not included (CSF cap number 4513 compatible)

About the 1 Row All Aluminum Brand Line

The CSF 1 Row All Aluminum product line features radiators constructed with both aluminum cores and tanks, offering a lightweight and corrosion-resistant solution. This line is engineered to match OEM specifications, ensuring compatibility and performance for vehicles like the Toyota Prius. The single-row design balances cooling efficiency with compact size, suitable for applications requiring precise fitment.

Detailed Product Description

The CSF 3146 radiator assembly is built with a 5/8 inch thick aluminum core measuring 13 11/16 inches wide and 23 5/8 inches long. Its cross flow configuration promotes efficient coolant flow from the left inlet to the right outlet, both sized at 1 1/4 inches in diameter. The all-aluminum construction of both core and tanks enhances durability and heat transfer while reducing weight compared to traditional materials. This radiator is designed to replace the original equipment on Toyota Prius models, maintaining proper engine temperature and supporting the vehicle’s cooling system performance.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiator in Toyota Prius
  • Resolves overheating caused by clogged or inefficient radiator cores
  • Addresses coolant leaks from corroded aluminum tanks
  • Improves cooling system efficiency with cross flow design
  • Suitable for restoring OEM cooling performance in Prius vehicles

Installation Notes and Tips

Ensure compatibility with your specific Toyota Prius model before installation. This radiator does not include a cap; use CSF cap number 4513 or an equivalent OEM cap. Properly flush the cooling system prior to installation to prevent contamination. Verify inlet and outlet hose connections match the 1 1/4 inch diameter specifications. Follow manufacturer torque specifications when securing the radiator to avoid damage.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards with quality aluminum materials for long-lasting performance. This radiator assembly is free of hazardous materials and designed for durability in automotive cooling applications. Warranty information should be confirmed with the distributor or manufacturer, as it may vary by region.

BrandCSF
Part Number3146
Position1 Row All Aluminum
Core Thickness5/8
Core Width13 11/16
Core MaterialAluminum
Tank MaterialAluminum
Core Length23 5/8
Inlet Diameter1 1/4 left
Outlet Diameter1 1/4 right
Down Flow Or Cross Flow TypeCross flow
Radiator Core Row Quantity1
Cap IncludedNo
Box Height (in)6 5/8
Box Length (in)30 7/16
Box Weight (lbs)11
Box Width (in)19 13/16
Csf Cap Number4513
Hazardous MaterialNo
Inlet Length (in)14 5/16
Inlet Width (in)13/16
Outlet Length (in)14 5/16
Outlet Width (in)13/16
Tech NoteO.e.m. style all aluminum tanks & core model;supplied as radiator

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2003ToyotaPrius1.5LL4ELECTRIC/GASN/A1 Row All Aluminum
2002ToyotaPrius1.5LL4ELECTRIC/GASN/A1 Row All Aluminum
2001ToyotaPrius1.5LL4ELECTRIC/GASN/A1 Row All Aluminum

* 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:

16400 - 212502863309370130938012863CU2758CU2863TO3000101

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