Part #: 3674

CSF 3674 Radiator

1 Row Plastic Tank Aluminum Core
⚙️ 3 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$131.62Free 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, Accord
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of CSF 1 Row Plastic Tank Aluminum Core Radiator

The CSF 1 Row Plastic Tank Aluminum Core Radiator (Part Number 3674) is engineered for reliable cooling performance in Honda Accord vehicles. Designed with a durable aluminum core and plastic tanks, this radiator offers efficient heat dissipation and long-lasting service.

  • Core thickness: 5/8 inch for effective heat transfer
  • Core dimensions: 29 11/16 inches width by 15 13/16 inches length
  • Aluminum core material for lightweight and corrosion resistance
  • Plastic tank construction for durability and OEM-style fit
  • Down flow design with 1 row core configuration
  • Inlet and outlet diameters both 1 1/4 inches, positioned on the left side
  • Compatible with Honda Accord models requiring this specific radiator

Detailed Product Description

This radiator features a single-row aluminum core measuring 5/8 inch thick, 29 11/16 inches wide, and 15 13/16 inches long, providing efficient cooling capacity for the Honda Accord. The plastic tanks are designed to match OEM specifications, ensuring proper fit and function. The down flow core type facilitates effective coolant circulation, while the 1 1/4 inch inlet and outlet diameters on the left side accommodate standard hose connections. The radiator does not include a cap but is compatible with CSF cap number 4514. Its overall dimensions and weight (9 lbs) make it a direct replacement part that meets factory standards.

About the 1 Row Plastic Tank Aluminum Core Product Line

The CSF 1 Row Plastic Tank Aluminum Core line focuses on combining lightweight aluminum cores with durable plastic tanks to provide a balance of performance and cost-effectiveness. This product line is designed to replicate OEM style and fitment, making it suitable for vehicles like the Honda Accord that require precise cooling system components. The single-row core design supports efficient heat exchange while maintaining a compact form factor.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiators in Honda Accord models
  • Resolves overheating caused by clogged or inefficient cooling cores
  • Addresses coolant leaks from cracked plastic tanks
  • Improves cooling system reliability after radiator core corrosion
  • Restores proper coolant flow with OEM-style inlet and outlet fittings

Installation Notes and Tips

Ensure compatibility with your specific Honda Accord model before installation. The radiator features left-side inlet and outlet connections measuring 1 1/4 inches in diameter, so verify hose sizes and positions. Since the radiator does not include a cap, use the compatible CSF cap number 4514 or your vehicle’s original cap. Handle the plastic tanks carefully during installation to avoid damage. Properly bleed the cooling system after installation to prevent air pockets.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards for fit, form, and function. The 1 Row Plastic Tank Aluminum Core radiator undergoes quality checks to ensure durability and performance. This part is free from hazardous materials and designed for long-term use in Honda Accord vehicles. Warranty information should be confirmed with the distributor or manufacturer.

BrandCSF
Part Number3674
Position1 Row Plastic Tank Aluminum Core
Core Thickness5/8
Core Width29 11/16
Core MaterialAluminum
Tank MaterialPlastic
Core Length15 13/16
Inlet Diameter1 1/4 left
Outlet Diameter1 1/4 left
Down Flow Or Cross Flow TypeDown flow
Radiator Core Row Quantity1
Cap IncludedNo
Box Height (in)4 14/16
Box Length (in)32 1/4
Box Weight (lbs)9
Box Width (in)22 15/16
Csf Cap Number4514
Hazardous MaterialNo
Inlet Length (in)30 1/4
Inlet Width (in)1 1/16
Outlet Length (in)30 1/4
Outlet Width (in)1 5/8
Tech NoteO.e.m. style plastic tanks & aluminum core.

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017HondaAccord2.0LL4N/AOE Style Design; Hybrid; 1 Row Plastic Tank Aluminum Core
2015HondaAccord2.0LL4N/AOE Style Design; Hybrid; 1 Row Plastic Tank Aluminum Core
2014HondaAccord2.0LL4N/AOE Style Design; Hybrid; 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:

1341819010-5K0-A0119010-5K0-A02HO3010238

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