One Stop Solutions 13396 Radiator

Brand One Stop Solutions 13396
Cap Included NO
Core Height 34
Core Material PA
Core Row Quantity 1
Core Thickness 22
Core Thickness 7/8
Core Width 17 1/8
Down Flow Or Cross Flow Type CROSSFLOW
Engine Oil Cooler Included YES
Engine Oil Cooler Type PLATED
Inlet Diameter 1 5/16
Inlet Header Length 17 11/16
Inlet Header Width 2 1/4
Oil Cooler Fittings Distance Apart 11 1/2
Outlet Diameter 1 9/16
Outlet Header Length 17 11/16
Outlet Header Width 2 7/8
Tank Material PLASTIC
Transmission Oil Cooler Distance between Fittings 11 1/2
Transmission Oil Cooler Included YES
Transmission Oil Cooler Type PLATED
Fits Chevrolet and GMC · 23 vehicles

O.E. form and function. Engineered for a drop-in fit with no modifications needed.

Premium aluminum construction. Cadmium-plated tubes help resist premature failure.

Individually pressure tested. Each radiator is checked for leaks before it ships.

Cross-references Spectra Premium CU13396, 23126398 and A13396 for the same application. See all 3.

$213.64Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $213.64
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Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator for Silverado 1500 and Sierra 1500

Restore cooling performance with this OSC Premium New Automotive Radiator, part number 13396. It is built for OES form and function with a crossflow design, plastic tanks, and a premium aluminum core structure engineered for direct replacement service in Chevrolet Silverado 1500 and GMC Sierra 1500 applications.

  • Fits 2014-2018 Chevrolet Silverado 1500, wo/ TOW; wo/ Oil Cooler Bracket
  • Fits 2014-2018 GMC Sierra 1500, wo/ TOW; wo/ Oil Cooler Bracket
  • Fits 2019 Chevrolet Silverado 1500 LD
  • Fits 2019-2021 Chevrolet Silverado 1500
  • Fits 2019-2021 GMC Sierra 1500
  • Crossflow radiator design with 1-row core construction
  • Transmission oil cooler included; engine oil cooler included
  • Plated oil cooler design with 11 1/2 in. cooler fitting spacing
  • Core dimensions: 34 in. height, 17 1/8 in. width, 7/8 in. thickness
  • Inlet diameter: 1 5/16 in.; outlet diameter: 1 9/16 in.

Built for OE-Style Cooling Performance

OSC part number 13396 is engineered to match original equipment form and function while addressing common wear points found in high-mileage trucks. The radiator uses premium-grade tubes, fins, headers, and tanks, with cadmium-plated tubes inside and out to resist premature failure. Components are fitted and torqued to factory specifications, and the unit is individually pressure tested during production to verify the radiator core and both oil coolers before final assembly and again after assembly. This radiator is a direct-fit solution for Silverado 1500 and Sierra 1500 owners needing a replacement that maintains factory-style packaging and cooling layout.

Common Problems This Radiator Can Address

  • Coolant leaks from a cracked or aging radiator tank
  • Reduced cooling efficiency from a restricted or damaged core
  • Transmission temperature concerns related to a failing cooler circuit
  • Engine oil cooler leakage or internal cooler wear
  • Fitment issues caused by a damaged or previously repaired radiator assembly

Installation Notes and Fitment Tips

Compatible with 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 models without tow package and without oil cooler bracket, plus 2019 Silverado 1500 LD and 2019-2021 Silverado 1500 and Sierra 1500 applications listed above. Verify inlet and outlet sizing, cooler spacing, and vehicle configuration before installation. Part number 13396 is designed as a drop-in replacement, and all necessary fittings or hardware are included in the unit.

Quality Assurance

OSC radiators are produced with multi-stage testing that checks the transmission and engine oil coolers before installation, tests the core before assembly, and pressure tests the completed radiator again. This process supports consistent sealing, cooler integrity, and OE-style performance for Chevrolet Silverado 1500 and GMC Sierra 1500 cooling system service. Cross-reference part numbers include Spectra Premium CU13396 and A13396.

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2021ChevroletSilverado 15005.3LV8N/A
2021ChevroletSilverado 15006.2LV8N/A
2021GMCSierra 15005.3LV8N/A
2021GMCSierra 15006.2LV8N/A
2020ChevroletSilverado 15005.3LV8N/A
2020ChevroletSilverado 15006.2LV8N/A
2020GMCSierra 15005.3LV8N/A
2020GMCSierra 15006.2LV8N/A
2019ChevroletSilverado 15005.3LV8N/A
2019ChevroletSilverado 15006.2LV8N/A
2019ChevroletSilverado 1500 LD5.3LV8N/A
2019GMCSierra 15005.3LV8N/A
2019GMCSierra 15006.2LV8N/A
2018ChevroletSilverado 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2018GMCSierra 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2017ChevroletSilverado 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2017GMCSierra 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2016ChevroletSilverado 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2016GMCSierra 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2015ChevroletSilverado 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2015GMCSierra 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2014ChevroletSilverado 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
2014GMCSierra 15004.3LV6N/Awo/ TOW; wo/ Oil Cooler Bracket
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — CU1339623126398A13396