Part #: 2003

One Stop Solutions 2003 Radiator

⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Astro and Safari
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Reliable Radiator Replacement for Chevrolet Astro and GMC Safari

The One Stop Solutions radiator part number 2003 is engineered to provide dependable cooling performance for Chevrolet Astro and GMC Safari vehicles. Designed with precision, this radiator ensures efficient heat dissipation and supports transmission and engine oil cooling needs.

  • Hassle free installation with drop-in fit, form, and function
  • OE performance with premium grade tubes, fins, headers, and tanks
  • Engineering enhancements improve cooling efficiency and extend service life
  • Includes transmission and engine oil coolers with plated cooler types
  • Components fitted and torqued to factory specifications for reliability
  • Crossflow core design with 1 core row for optimal heat exchange
  • 100% tested up to three times during production for quality assurance

Technical Specifications and Design Features

This radiator features a crossflow core measuring 28 1/4 inches in height, 17 1/4 inches in width, and a core thickness of 5/8 inch (16 mm). The core is constructed from PA material, while the tanks are made of durable plastic. Both inlet and outlet headers measure 18 3/4 inches in length and 2 7/16 inches in width, supporting inlet and outlet diameters of 1 5/16 inches and 1 9/16 inches respectively. The radiator includes a plated transmission oil cooler and engine oil cooler, each with fittings spaced 11 1/2 inches apart, enhancing the cooling system's efficiency and reliability.

Compatible Vehicles and Application

This radiator is specifically compatible with Chevrolet Astro and GMC Safari models, providing a direct replacement solution for their cooling systems. It addresses common cooling system issues such as overheating, coolant leaks, and transmission fluid temperature regulation.

  • Overheating due to radiator core damage or clogging
  • Coolant leaks from worn or cracked tanks
  • Transmission fluid overheating affecting vehicle performance
  • Engine oil temperature regulation failures
  • Reduced cooling efficiency from original radiator wear

Installation Notes and Tips

Installation of the One Stop Solutions radiator 2003 is straightforward due to its drop-in design. All necessary fittings and hardware are included, ensuring a proper fit without modification. It is recommended to verify hose connections and transmission oil cooler lines for secure attachment. Follow factory torque specifications when securing components to maintain system integrity.

Quality Assurance and Warranty Information

Each radiator undergoes rigorous testing up to three times during production to ensure consistent quality and performance. Components are assembled and torqued to factory specifications to meet OEM standards. While a cap is not included, the radiator is designed to integrate seamlessly with existing cooling system components. Warranty details should be confirmed with the product documentation or manufacturer.

BrandOne Stop Solutions
Part Number2003
Cap IncludedNO
Core Height28 1/4
Core MaterialPA
Core Row Quantity1
Core Thickness16
Core Thickness5/8
Core Width17 1/4
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedYES
Engine Oil Cooler TypePLATED
Inlet Diameter1 5/16
Inlet Header Length18 3/4
Inlet Header Width2 7/16
Oil Cooler Fittings Distance Apart11 1/2
Outlet Diameter1 9/16
Outlet Header Length18 3/4
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 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletAstro4.3LV6N/A
2005GMCSafari4.3LV6N/A
2004ChevroletAstro4.3LV6N/A
2004GMCSafari4.3LV6N/A
2003ChevroletAstro4.3LV6N/A
2003GMCSafari4.3LV6N/A
2002ChevroletAstro4.3LV6N/A
2002GMCSafari4.3LV6N/A
2001ChevroletAstro4.3LV6N/A
2001GMCSafari4.3LV6N/A
2000ChevroletAstro4.3LV6N/A
2000GMCSafari4.3LV6N/A
1999ChevroletAstro4.3LV6N/A
1999GMCSafari4.3LV6N/A
1998ChevroletAstro4.3LV6N/A
1998GMCSafari4.3LV6N/A
1997ChevroletAstro4.3LV6N/A
1997GMCSafari4.3LV6N/A
1996ChevroletAstro4.3LV6N/A
1996GMCSafari4.3LV6N/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:

15180873565208012003A2003CU1786

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