Part #: 2343

One Stop Solutions 2343 Radiator

33 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Chevrolet, Century, Regal, Impala, and Monte Carlo
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Overview of One Stop Solutions Radiator 2343

The One Stop Solutions Radiator part number 2343 is designed for reliable cooling performance in select Buick and Chevrolet vehicles. Engineered to meet OE specifications, this radiator supports models such as the Buick Century and Regal, as well as the Chevrolet Impala and Monte Carlo.

  • Hassle free installation for quick replacement
  • OE performance with engineering enhancements for improved cooling
  • Premium grade core and tank materials for durability
  • Includes a plated transmission oil cooler for added functionality
  • Drop-in fit with all necessary fittings and hardware included
  • Tested multiple times during production for quality assurance

Technical Specifications and Features

This radiator features a crossflow design with a core height of 30 1/2 inches and a core width of 15 1/16 inches. The core thickness measures 5/8 inch, constructed from PA material, while the plastic tanks provide corrosion resistance and weight savings. Both inlet and outlet header lengths are 16 5/8 inches with widths of 2 7/16 inches, accommodating 1 5/16 inch diameter inlet and outlet connections. The radiator includes a plated transmission oil cooler with fittings spaced 11 1/2 inches apart, enhancing transmission cooling without an engine oil cooler.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

  • Buick Century
  • Buick Regal
  • Chevrolet Impala
  • Chevrolet Monte Carlo

Part number 2343 is specifically designed to replace original equipment radiators in these models, ensuring proper fit and function.

Common Issues Addressed by Radiator 2343

  • Engine overheating due to radiator core damage or clogging
  • Transmission fluid overheating with integrated transmission oil cooler failure
  • Leaks from cracked or deteriorated plastic tanks
  • Reduced cooling efficiency from bent or corroded fins
  • Failure of original radiator causing poor engine performance

Installation Notes and Tips

Installation of the One Stop Solutions Radiator 2343 is straightforward with a drop-in fit design. Ensure all fittings and hardware are 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. No radiator cap is included, so reuse the existing cap or replace as needed.

Quality Assurance and Warranty

Each radiator undergoes up to three quality tests during production to verify performance and durability. Components such as tubes, fins, headers, and tanks are manufactured from premium materials to meet or exceed OE standards. While specific warranty details are not provided, One Stop Solutions products are engineered to provide reliable service life consistent with industry expectations.

BrandOne Stop Solutions
Part Number2343
Cap IncludedNO
Core Height30 1/2
Core MaterialPA
Core Row Quantity1
Core Thickness16
Core Thickness5/8
Core Width15 1/16
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 5/16
Inlet Header Length16 5/8
Inlet Header Width2 7/16
Outlet Diameter1 5/16
Outlet Header Length16 5/8
Outlet Header Width2 7/16
Tank MaterialPLASTIC
Transmission Oil Cooler Distance between Fittings11 1/2
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypePLATED

This part fits 33 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2005BuickCenturyLimited3.1LV6N/A
2005BuickCenturyCustom3.1LV6N/A
2005BuickCenturySpecial Edition3.1LV6N/A
2004BuickCenturyLimited3.1LV6N/A
2004BuickCenturyCustom3.1LV6N/A
2004BuickRegalLS3.8LV6N/A
2003BuickCenturyCustom3.1LV6N/A
2003BuickRegalLS3.8LV6N/A
2003ChevroletImpala3.8LV6N/A5/8" CORE
2003ChevroletImpala3.4LV6N/Aw/METRIC TOC FITTINGS
2003ChevroletMonte Carlo3.8LV6N/A
2003ChevroletMonte Carlo3.4LV6N/A
2002BuickCenturyLimited3.1LV6N/A
2002BuickCenturyCustom3.1LV6N/A
2002BuickRegalLS3.8LV6N/A
2002ChevroletImpala3.8LV6N/A5/8" CORE
2002ChevroletImpala3.4LV6N/Aw/METRIC TOC FITTINGS
2002ChevroletMonte Carlo3.8LV6N/A
2002ChevroletMonte Carlo3.4LV6N/A
2001BuickCenturyLimited3.1LV6N/A
2001BuickCenturyCustom3.1LV6N/A
2001BuickRegalLS3.8LV6N/A
2001ChevroletImpala3.8LV6N/A5/8" CORE
2001ChevroletImpala3.4LV6N/Aw/METRIC TOC FITTINGS
2001ChevroletMonte Carlo3.8LV6N/A
2001ChevroletMonte Carlo3.4LV6N/A
2000BuickCentury3.1LV6N/Aw/METRIC TOC FITTINGS
2000BuickRegalLS3.8LV6N/A
2000BuickRegalLSE3.8LV6N/A
2000ChevroletImpala3.8LV6N/A5/8" CORE
2000ChevroletImpala3.4LV6N/Aw/METRIC TOC FITTINGS
2000ChevroletMonte Carlo3.8LV6N/A
2000ChevroletMonte Carlo3.4LV6N/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:

10329499560588012343A2343CU2343GM3010432

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