Part #: 1555

One Stop Solutions 1555 Radiator

⚙️ 18 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ 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: Dodge, Ram 2500 and Ram 3500
🔄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 Dodge Ram 2500 and 3500

The One Stop Solutions radiator part number 1555 is engineered to provide dependable cooling performance for Dodge Ram 2500 and Ram 3500 trucks. Designed with precision, this radiator ensures efficient heat dissipation and supports transmission oil cooling for enhanced vehicle operation.

Key Features of One Stop Solutions Radiator 1555

  • Hassle free installation with drop-in fit, form, and function
  • OE performance and quality with engineering enhancements for improved cooling and longer life
  • Premium grade core materials including plastic tanks and PA core
  • Includes a plated transmission oil cooler with fittings spaced 12 inches apart
  • Crossflow design with 2 core rows for efficient heat exchange
  • Core dimensions: 36 inches height, 19 7/16 inches width, and 2-3/16 inches thickness
  • Inlet and outlet header lengths of 20 1/4 inches and widths of 3 7/16 inches
  • Inlet diameter 1 3/4 inches and outlet diameter 2 inches
  • Components fitted and torqued to factory specifications
  • 100% tested up to three times during production for quality assurance

Detailed Radiator Description

This One Stop Solutions radiator (part number 1555) is designed specifically for Dodge Ram 2500 and Ram 3500 models, featuring a crossflow core with two rows to optimize cooling efficiency. The core is constructed from PA material, paired with durable plastic tanks to balance weight and durability. The radiator includes a plated transmission oil cooler, enhancing transmission temperature management, which is critical for heavy-duty applications. The inlet and outlet headers are precisely sized at 20 1/4 inches in length and 3 7/16 inches in width, ensuring proper fitment and fluid flow. The radiator’s inlet and outlet diameters are 1 3/4 inches and 2 inches respectively, matching OEM specifications for seamless integration. Engineering enhancements address original design limitations, contributing to longer service life and improved thermal performance.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiators in Dodge Ram 2500 and 3500 trucks
  • Improves engine cooling efficiency to prevent overheating under heavy load
  • Supports transmission oil cooling to maintain transmission performance and longevity
  • Resolves issues related to radiator core corrosion or tank failure
  • Addresses cooling system failures caused by original equipment design weaknesses

Installation Notes and Tips

Installation of the One Stop Solutions radiator 1555 is straightforward due to its drop-in design tailored for Dodge Ram 2500 and Ram 3500 models. Ensure all fittings and connections match factory specifications, especially the transmission oil cooler lines spaced 12 inches apart. Verify that the radiator is securely mounted and torqued to factory settings to avoid leaks or vibration damage. Since the radiator does not include a cap, reuse the existing cap or source a compatible replacement. Proper coolant type and level should be maintained after installation to ensure optimal performance.

Quality Assurance and Warranty

Each radiator undergoes rigorous testing up to three times during production to ensure reliability and performance consistency. Components such as tubes, fins, headers, and tanks are manufactured from premium materials and assembled to meet factory specifications. While specific warranty details are not provided, One Stop Solutions products are engineered to meet or exceed OEM standards, offering dependable service life for Dodge Ram 2500 and 3500 owners.

BrandOne Stop Solutions
Part Number1555
Core Height36
Core Thickness2-3/16
Core Thickness56
Core Width19 7/16
Inlet Header Length20 1/4
Outlet Header Length20 1/4
Core MaterialPa
Tank MaterialPlastic
Transmission Oil Cooler IncludedYes
Inlet Header Width3 7/16
Outlet Header Width3 7/16
Transmission Oil Cooler TypePlated
Transmission Oil Cooler Distance between Fittings12
Engine Oil Cooler TypeNone
Core Row Quantity2
Inlet Diameter1 3/4
Outlet Diameter2
Engine Oil Cooler IncludedNo
Down Flow Or Cross Flow TypeCrossflow
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 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002DodgeRam 25008.0LV10N/A
2002DodgeRam 35008.0LV10N/A
2001DodgeRam 25008.0LV10N/A
2001DodgeRam 35008.0LV10N/A
2000DodgeRam 25008.0LV10N/A
2000DodgeRam 35008.0LV10N/A
1999DodgeRam 25008.0LV10N/A
1999DodgeRam 35008.0LV10N/A
1998DodgeRam 25008.0LV10N/A
1998DodgeRam 35008.0LV10N/A
1997DodgeRam 25008.0LV10N/A
1997DodgeRam 35008.0LV10N/A
1996DodgeRam 25008.0LV10N/A
1996DodgeRam 35008.0LV10N/A
1995DodgeRam 25008.0LV10N/A
1995DodgeRam 35008.0LV10N/A
1994DodgeRam 25008.0LV10N/A
1994DodgeRam 35008.0LV10N/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:

5200647852029176AC8011555CU1555

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