Part #: 2604

CSF 2604 Radiator

1 Row Plastic Tank Aluminum Core
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$146.19Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Honda, Odyssey
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of CSF 2604 Radiator for Honda Odyssey

The CSF 2604 radiator is designed specifically for Honda Odyssey models, providing reliable cooling performance with a durable aluminum core and plastic tanks. This radiator features a single-row core construction optimized for efficient heat dissipation in a down flow configuration.

  • Core thickness: 5/8 inch
  • Core width: 30 5/8 inches
  • Core length: 17 11/16 inches
  • Aluminum core material with plastic tanks
  • Inlet and outlet diameter: 1 1/4 inches, positioned on the left
  • Down flow radiator type with 1 core row
  • Includes a high-efficiency concentric oil cooler (14 3/4 inches)
  • Does not include radiator cap (CSF cap number 4513 compatible)

Details on the 1 Row Plastic Tank Aluminum Core Product Line

The CSF 1 Row Plastic Tank Aluminum Core line combines OEM-style plastic tanks with a robust aluminum core to balance durability and weight. This product line is engineered to meet the cooling demands of vehicles like the Honda Odyssey, offering a straightforward replacement option that maintains factory specifications and fitment.

Product Description and Specifications

The CSF 2604 radiator features a 5/8 inch thick aluminum core measuring 30 5/8 inches wide and 17 11/16 inches long, designed for efficient heat transfer. The plastic tanks reduce weight while maintaining structural integrity. Both the inlet and outlet have a 1 1/4 inch diameter and are located on the left side, supporting a down flow cooling system. The radiator includes a high-efficiency concentric oil cooler measuring 14 3/4 inches, enhancing engine cooling performance. This radiator is a direct fit replacement for Honda Odyssey models requiring a single-row core radiator.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiator tanks
  • Restores proper engine cooling in Honda Odyssey vehicles
  • Resolves overheating caused by clogged or inefficient radiators
  • Addresses coolant flow restrictions due to core damage
  • Improves oil cooling with integrated high-efficiency oil cooler

Installation Notes and Tips

Ensure compatibility with your specific Honda Odyssey model year before installation. The radiator does not include a cap; use CSF cap number 4513 or an equivalent OEM cap. Properly drain coolant and disconnect hoses before removal. Handle plastic tanks carefully to avoid damage during installation. Verify inlet and outlet hose connections align with the left-side configuration. Bleed the cooling system after installation to prevent air pockets.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards, using quality aluminum cores and durable plastic tanks. This radiator is free of hazardous materials and designed for long-term reliability. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.

BrandCSF
Part Number2604
Position1 Row Plastic Tank Aluminum Core
Box Height (in)5 1/16
Box Length (in)33 3/16
Box Weight (lbs)10
Box Width (in)23 3/4
Cap IncludedNo
Core Length17 11/16
Core MaterialAluminum
Core Thickness5/8
Core Width30 5/8
Csf Cap Number4513
Down Flow Or Cross Flow TypeDown Flow
Hazardous MaterialNo
Inlet Diameter1 1/4 Left
Inlet Length (in)31
Inlet Width (in)1 1/16
Oil Cooler (in)14 3/4 (high-effeciency Concentric Type)
Outlet Diameter1 1/4 Left
Outlet Length (in)31
Outlet Width (in)1 5/8
Radiator Core Row Quantity1
Tank MaterialPlastic
Tech NoteO.E.M. style Plastic tanks & Aluminum core.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004HondaOdyssey3.5LV6N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2003HondaOdyssey3.5LV6N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2002HondaOdyssey3.5LV6N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2001HondaOdyssey3.5LV6N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2000HondaOdyssey3.5LV6N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
1999HondaOdyssey3.5LV6N/AOE Style Design; Use Micro, 16 psi Cap; 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:

19010-P8F-A51221-321422708012270CU2270HO3010138

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