Part #: 13121

One Stop Solutions 13121 Radiator

⚙️ 10 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$150.73Free 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
🚗Fitment: Acura, TL
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Replacement for Acura TL

The One Stop Solutions radiator, part number 13121, is designed specifically for Acura TL models. Engineered to meet original equipment specifications, this radiator ensures efficient cooling performance and durability for your vehicle's engine and transmission.

Key Features of One Stop Solutions Radiator 13121

  • Hassle free installation for Acura TL vehicles
  • OE performance with exceptional quality materials
  • Engineering enhancements for improved cooling and extended service life
  • Components fitted and torqued to factory specifications
  • Premium grade tubes, fins, headers, and plastic tanks
  • Drop-in fit, form, and function with all necessary fittings
  • 100% tested up to three times during production
  • Includes plated transmission oil cooler to support transmission cooling

Detailed Radiator Specifications and Construction

This radiator features a downflow core design with a core height of 16 3/4 inches, core width of 30 1/4 inches, and a core thickness of 1 inch. The core is constructed from premium PA material, while the tanks are made of durable plastic. Both inlet and outlet headers measure 31 7/16 inches in length and 2 inches in width, with inlet and outlet diameters of 1 1/4 inches, ensuring proper coolant flow. The radiator includes a plated transmission oil cooler with fittings spaced 14 3/4 inches apart, enhancing transmission fluid cooling. Note that this radiator does not include an engine oil cooler or radiator cap.

Compatible Vehicles and Common Applications

  • Replacement radiator for Acura TL models requiring part number 13121
  • Addresses overheating issues caused by radiator core damage or clogging
  • Resolves coolant leaks from plastic tanks or header areas
  • Improves transmission cooling performance with integrated oil cooler
  • Suitable for vehicles experiencing reduced cooling efficiency or radiator corrosion

Installation Notes and Tips

Installation of the One Stop Solutions radiator 13121 is straightforward with a direct drop-in fit for Acura TL models. Ensure all factory fittings and hoses are properly connected and torqued to manufacturer specifications. Verify the transmission oil cooler lines are securely attached to prevent leaks. Bleed the cooling system thoroughly after installation to avoid air pockets and ensure optimal performance.

Quality Assurance and Testing

Each radiator undergoes rigorous quality control, including up to three separate pressure and leak tests during production. Components are assembled and torqued to factory specifications to maintain reliability. While no warranty information is provided, the product is engineered to meet OE standards and includes enhancements to address original design limitations.

BrandOne Stop Solutions
Part Number13121
Core Height16 3/4
Core Thickness1
Core Thickness26
Core Width30 1/4
Inlet Header Length31 7/16
Outlet Header Length31 7/16
Core MaterialPa
Tank MaterialPlastic
Transmission Oil Cooler IncludedYes
Inlet Header Width2
Outlet Header Width2
Transmission Oil Cooler TypePlated
Transmission Oil Cooler Distance between Fittings14 3/4
Engine Oil Cooler TypeNone
Core Row Quantity1
Inlet Diameter1 1/4
Outlet Diameter1 1/4
Engine Oil Cooler IncludedNo
Down Flow Or Cross Flow TypeDownflow
Cap IncludedNo
BulletPoint 1Hassle free installation
BulletPoint 2O.e. performance and exceptional quality
BulletPoint 3Engineering enhancements provide improved cooling and longer life
BulletPoint 4Components are fitted and torqued in place to factory specificati
BulletPoint 5Premium grade tubes, fins, headers, tanks, and other components a
BulletPoint 6Drop in fit, form and function. all necessary fittings or hardwar
BulletPoint 7Complete radiators 100% tested up to three times during productio
BulletPoint 8Enhancements added to solve original design failures and to impro

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014AcuraTL3.5LV6N/A
2014AcuraTL3.7LV6N/A
2013AcuraTL3.5LV6N/A
2013AcuraTL3.7LV6N/A
2012AcuraTL3.5LV6N/A
2012AcuraTL3.7LV6N/A
2011AcuraTL3.5LV6N/A
2011AcuraTL3.7LV6N/A
2010AcuraTL3.5LV6N/A
2009AcuraTL3.5LV6N/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:

19010RK1A528013121A13121CU13121

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