Part #: 3842

CSF 3842 Radiator

⚙️ 6 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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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Silverado 1500 and Sierra 1500
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Overview of CSF Radiator Part 3842 for Chevrolet and GMC Trucks

The CSF radiator part number 3842 is designed specifically for Chevrolet Silverado 1500 and GMC Sierra 1500 models. Featuring a parallel flow construction, this radiator offers efficient cooling performance tailored to these trucks' engine requirements.

  • Parallel flow construction for optimized heat dissipation
  • Core thickness of 5/8 inch for effective cooling capacity
  • Core dimensions: 17 5/7 inches width by 33 1/2 inches length
  • Box dimensions: 45 2/3 inches length, 20 1/2 inches height, and 6 inches width
  • Lightweight design with a box weight of approximately 10 5/6 lbs
  • Equipped with tube-style inlet and outlet connections for secure fitment
  • Non-hazardous material composition

Detailed Product Description

This CSF radiator (part number 3842) is engineered with a parallel flow core, which enhances coolant flow and heat exchange efficiency. The core thickness of 5/8 inch balances durability and thermal performance, while the core width and length provide ample surface area to maintain optimal engine temperatures. The radiator’s inlet and outlet tubes ensure compatibility with the existing cooling system plumbing on Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. Its dimensions and weight make it suitable for direct replacement without modification.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

  • Chevrolet Silverado 1500
  • GMC Sierra 1500

It is designed to address common cooling system issues such as overheating, coolant leaks, and reduced heat dissipation efficiency.

Common Issues Addressed by This Radiator

  • Engine overheating due to inefficient cooling
  • Coolant leaks from damaged or corroded radiator cores
  • Reduced cooling performance from clogged or worn radiators
  • Incompatibility with OEM cooling system components
  • Premature engine wear caused by inadequate temperature regulation

Installation Notes and Tips

  • Ensure the radiator is compatible with your Chevrolet Silverado 1500 or GMC Sierra 1500 before installation
  • Inspect and replace any worn hoses or clamps during installation
  • Bleed the cooling system properly to avoid air pockets
  • Check for secure tube connections to prevent leaks
  • Follow manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

CSF radiators are manufactured to meet or exceed OEM standards for durability and performance. This radiator is constructed from non-hazardous materials and undergoes rigorous quality control testing. While specific warranty details may vary, CSF products typically include a limited warranty against defects in materials and workmanship. Consult the product documentation or CSF directly for exact warranty terms related to part number 3842.

BrandCSF
Part Number3842
Box Height (in)20 1/2
Box Length (in)45 2/3
Box Weight (lbs)10 5/6
Box Width (in)6
Constructionparallel flow
Core Length33 1/2
Core Thickness5/8
Core Width17 5/7
Hazardous MaterialNo
Inlet Tubetube
Outlet Tubetube

This part fits 6 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersFuel TypePositionNotes
2018ChevroletSilverado 1500Crew Cab Pickup5.3LV8ELECTRIC/GASN/AAuxiliary Radiator; w/ Built-In Oil Cooler Design; Combi Cooler
2018GMCSierra 1500Crew Cab Pickup5.3LV8ELECTRIC/GASN/AAuxiliary Radiator; w/ Built-In Oil Cooler Design; Combi Cooler
2017ChevroletSilverado 1500Crew Cab Pickup5.3LV8ELECTRIC/GASN/AAuxiliary Radiator; w/ Built-In Oil Cooler Design; Combi Cooler
2017GMCSierra 1500Crew Cab Pickup5.3LV8ELECTRIC/GASN/AAuxiliary Radiator; w/ Built-In Oil Cooler Design; Combi Cooler
2016ChevroletSilverado 1500Crew Cab Pickup5.3LV8ELECTRIC/GASN/AAuxiliary Radiator; w/ Built-In Oil Cooler Design; Combi Cooler
2016GMCSierra 1500Crew Cab Pickup5.3LV8ELECTRIC/GASN/AAuxiliary Radiator; w/ Built-In Oil Cooler Design; Combi Cooler

* 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:

1372284026966CU13722GM4050127

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