Part #: 13690C

Global Parts 13690C Radiator

⚙️ 12 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: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD
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Overview of Global Parts Radiator 13690C

The Global Parts radiator 13690C is engineered for reliable cooling performance in heavy-duty trucks. Designed specifically for Chevrolet and GMC 2500 and 3500 HD models, this radiator supports optimal engine temperature management under demanding conditions.

  • Core dimensions: 28.5 inches height, 33.5 inches width, 2.38 inches thickness
  • Constructed with an aluminum core and plastic tanks for durability and heat dissipation
  • Includes a transmission oil cooler for enhanced cooling efficiency
  • Cross flow design with 2 core rows and 70 fins per 4 inches for effective airflow
  • Inlet diameter of 1.94 inches and outlet diameter of 2.3 inches for proper fluid flow

Detailed Radiator Specifications

The Global Parts radiator 13690C features a robust aluminum core measuring 28.5 inches in height, 33.5 inches in width, and 2.38 inches in thickness, providing a substantial surface area for heat exchange. The plastic tank material reduces weight while maintaining structural integrity. This radiator incorporates a cross flow design with two core rows and 70 fins every 4 inches, optimizing airflow and heat dissipation. The inclusion of a transmission oil cooler supports the cooling system by managing transmission fluid temperatures, which is critical for heavy-duty applications. The inlet and outlet diameters of 1.94 inches and 2.3 inches respectively ensure proper coolant circulation within the system.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

  • Chevrolet Sierra 2500 HD
  • Chevrolet Sierra 3500 HD
  • GMC Sierra 2500 HD
  • GMC Sierra 3500 HD
  • Chevrolet Silverado 2500 HD
  • Chevrolet Silverado 3500 HD
  • GMC Silverado 2500 HD
  • GMC Silverado 3500 HD

It is designed to replace factory radiators in these models, ensuring proper fitment and performance.

Common Issues Addressed by Radiator 13690C

  • Engine overheating due to inefficient cooling
  • Transmission fluid overheating in heavy-duty towing or hauling
  • Leaks or damage in original radiator tanks or core
  • Reduced cooling capacity from clogged or corroded radiator fins
  • Failure of original radiator causing engine performance issues

Installation Notes and Tips

When installing the Global Parts radiator 13690C, ensure the vehicle is fully cooled before removal of the old radiator. Verify all hose connections match the inlet and outlet diameters of 1.94 and 2.3 inches respectively. Properly secure the radiator to avoid vibration and check for any leaks after installation. Bleed the cooling system to remove air pockets for optimal performance.

Quality Assurance and Warranty

Global Parts radiators are manufactured to meet OEM specifications using quality aluminum cores and durable plastic tanks. The 13690C radiator includes a transmission oil cooler to support heavy-duty vehicle requirements. While specific warranty details are not provided, Global Parts products typically undergo rigorous quality control to ensure reliability and fitment for Chevrolet and GMC 2500 and 3500 HD trucks.

BrandGlobal Parts
Part Number13690C
Core Height28.5
Core Height723.9
Core Thickness2.38
Core Thickness60.45
Core Width33.5
Core Width850.9
Core MaterialAluminum
Tank MaterialPlastic
Transmission Oil Cooler IncludedYes
Core Row Quantity2
Inlet Diameter1.94
Inlet Diameter49.28
Outlet Diameter2.3
Outlet Diameter58.42
Engine Oil Cooler IncludedNo
Down Flow Or Cross Flow TypeCross flow
Core Fin Quantity70 (every 4")

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019ChevroletSilverado 2500 HD6.6LV8N/A
2019ChevroletSilverado 3500 HD6.6LV8N/A
2019GMCSierra 2500 HD6.6LV8N/A
2019GMCSierra 3500 HD6.6LV8N/A
2018ChevroletSilverado 2500 HD6.6LV8N/A
2018ChevroletSilverado 3500 HD6.6LV8N/A
2018GMCSierra 2500 HD6.6LV8N/A
2018GMCSierra 3500 HD6.6LV8N/A
2017ChevroletSilverado 2500 HD6.6LV8N/A
2017ChevroletSilverado 3500 HD6.6LV8N/A
2017GMCSierra 2500 HD6.6LV8N/A
2017GMCSierra 3500 HD6.6LV8N/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:

1040791369023208447384384224661CU13690GM3010615PR13690ARA13690C

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