Part #: 2309

One Stop Solutions 2309 Radiator

13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$172.74Free 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: Ford, Mercury, and Mazda, Explorer Sport Trac, Explorer Sport, Explorer, Mountaineer, and B4000
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of One Stop Solutions Radiator 2309

The One Stop Solutions Radiator part number 2309 is designed for reliable cooling performance in Ford, Mazda, and Mercury vehicles. This radiator is compatible with models including the Ford Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, and Mazda B4000, providing a direct replacement option engineered to meet factory specifications.

  • Hassle free installation with drop-in fit, form, and function
  • O.E. performance and exceptional quality materials
  • Engineering enhancements for improved cooling and extended service life
  • Premium grade tubes, fins, headers, and plastic tanks
  • Includes plated transmission oil cooler with fittings spaced 12 inches apart
  • Crossflow core design with 1 row and 1 inch thickness
  • Tested up to three times during production for quality assurance

Detailed Radiator Specifications and Features

This radiator features a crossflow core measuring 20 13/16 inches in height, 23 5/16 inches in width, and 1 inch in thickness, constructed with premium PA core material. The plastic tanks and headers are designed for durability and corrosion resistance. Both inlet and outlet headers measure 23 7/8 inches in length and 3 3/16 inches in width, with 1 1/2 inch diameter inlet and outlet ports to ensure proper coolant flow. The radiator includes a plated transmission oil cooler, enhancing transmission fluid cooling without the need for an engine oil cooler. All components are fitted and torqued to factory specifications to maintain OEM standards.

Compatible Vehicles and Common Applications

This radiator is compatible with the following vehicles:

  • Ford Explorer (including Sport and Sport Trac variants)
  • Ford Mountaineer
  • Mazda B4000
  • Mercury models sharing the same platform

It is designed to address common cooling system issues such as:

  • Overheating due to radiator core damage or clogging
  • Coolant leaks from cracked or worn plastic tanks
  • Transmission fluid overheating in vehicles with integrated coolers
  • Reduced cooling efficiency from corrosion or buildup
  • Failure of original radiator components leading to engine performance issues

Installation Notes and Tips

Installation of the One Stop Solutions Radiator 2309 is straightforward due to its drop-in design. Ensure all fittings and hardware are included and properly torqued to factory specifications. Verify the transmission oil cooler connections are secure and free of leaks. It is recommended to flush the cooling system before installation to prevent contamination. Use compatible coolant and check for proper hose fitment on the 1 1/2 inch inlet and outlet ports.

Quality Assurance and Warranty Information

Each radiator undergoes up to three quality tests during production to ensure reliability and performance. The product is engineered with enhancements to address original design limitations and improve longevity. While specific warranty details are not provided here, One Stop Solutions products typically meet or exceed OEM standards for durability and function.

BrandOne Stop Solutions
Part Number2309
Cap IncludedNO
Core Height20 13/16
Core MaterialPA
Core Row Quantity1
Core Thickness1
Core Thickness26
Core Width23 5/16
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 1/2
Inlet Header Length23 7/8
Inlet Header Width3 3/16
Outlet Diameter1 1/2
Outlet Header Length23 7/8
Outlet Header Width3 3/16
Tank MaterialPLASTIC
Transmission Oil Cooler Distance between Fittings12
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypePLATED

This part fits 13 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2005FordExplorer Sport TracAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2004FordExplorer Sport TracAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2003FordExplorer SportAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2003FordExplorer Sport TracAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2002FordExplorer SportAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2002FordExplorer Sport TracAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2001FordExplorerAutomatic4.0LV6N/A
2001FordExplorer SportAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2001FordExplorer Sport TracAutomatic4.0LV6N/Aw/ 2" TOP/BOTTOM CHANNEL
2001MercuryMountaineerAutomatic4.0LV6N/A2" CHANNELS
2000FordExplorerAutomatic4.0LV6N/A
2000MazdaB4000Automatic4.0LV6N/A2" TOP/BOTTOM CHANNELS
2000MercuryMountaineerAutomatic4.0LV6N/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:

1L5Z8005NA560448012309A2309CU2309FO3010147

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