One Stop Solutions 2537 Radiator

Brand One Stop Solutions 2537
Cap Included NO
Core Height 37 13/16
Core Material PA
Core Row Quantity 2
Core Thickness 2-3/16
Core Thickness 56
Core Width 19 7/16
Down Flow Or Cross Flow Type CROSSFLOW
Engine Oil Cooler Included YES
Engine Oil Cooler Type PLATED
Inlet Diameter 1 9/16
Inlet Header Length 20 11/16
Inlet Header Width 3 1/8
Oil Cooler Fittings Distance Apart 11 1/2
Outlet Diameter 1 7/8
Outlet Header Length 20 11/16
Outlet Header Width 3 1/8
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 · 10 vehicles

O.E. form and function. Engineered as a direct radiator replacement with a hassle-free install.

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

Individually pressure tested. Each unit is checked during production for dependable performance.

Cross-references Anchor 2653, APDI 8012537 and Spectra Premium CU2537 for the same application. See all 4.

$349.20Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $349.20
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Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator for Silverado and Sierra HD

One Stop Solutions Part Number 2537 is a crossflow radiator built for 2001-2002 Chevrolet Silverado 2500 HD, 2001-2002 Chevrolet Silverado 3500, 2001-2002 GMC Sierra 2500 HD, and 2001-2002 GMC Sierra 3500 applications. It is engineered around OE-style form and function with integrated engine and transmission oil cooling for heavy-duty cooling system service.

  • Premium aluminum radiator construction with plastic tanks
  • Crossflow design with 2-row core layout
  • Engine oil cooler included
  • Transmission oil cooler included, plated type
  • Core size: 37 13/16 in. height x 19 7/16 in. width x 2-3/16 in. thickness
  • Inlet diameter: 1 9/16 in.; outlet diameter: 1 7/8 in.
  • Transmission oil cooler fitting spacing: 11 1/2 in.
  • Die-cut gasket design for leak resistance
  • Individually pressure tested during production

Detailed Product Overview

This One Stop Solutions radiator is built to match OE cooler design where originally equipped and uses premium-grade tubes, fins, headers, tanks, and related components for durability. The radiator is engineered for multi-fit coverage without changing the look or fit of the original cooling system, and the components are fitted and torqued to factory specifications. Part Number 2537 also cross-references APDI 8012537 and Spectra Premium CU2537 for the same application.

Common Cooling System Issues It Can Address

  • Overheating caused by a restricted or aging radiator core
  • Transmission temperature concerns tied to a worn cooler circuit
  • Engine oil cooling loss from a failing integrated cooler
  • Coolant leaks from deteriorated tank or gasket sealing surfaces
  • Reduced cooling efficiency in high-mileage Silverado and Sierra HD trucks

Installation Notes and Fitment

Fits 2001-2002 Chevrolet Silverado 2500 HD, w/5/8" TOC fittings. Fits 2001-2002 Chevrolet Silverado 3500. Fits 2001-2002 Chevrolet Silverado 3500, w/TOC. Fits 2001-2002 GMC Sierra 2500 HD, w/5/8" transmission oil cooler fittings. Fits 2001-2002 GMC Sierra 3500.

Verify inlet and outlet sizes, cooler fitting spacing, and OE cooler configuration before installation. This radiator is a direct-fit style replacement for trucks equipped with the listed cooling setup, including Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500 applications.

Quality Assurance

OSC Premium radiators are tested during production before cooler installation, after core testing, and again after final assembly. The design uses cadmium-plated tubes inside and out to help resist premature failure, along with enhanced fin density and thicker core construction where needed to address heat load in higher-mileage vehicles.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2002ChevroletSilverado 2500 HDAutomatic8.1LV8N/Aw/5/8" TOC Fittings
2002ChevroletSilverado 3500—8.1LV8N/A—
2002ChevroletSilverado 3500—8.1LV8N/Aw/TOC
2002GMCSierra 2500 HD—8.1LV8N/Aw/5/8" Transmission Oil Cooler Fittings
2002GMCSierra 3500—8.1LV8N/A—
2001ChevroletSilverado 2500 HDAutomatic8.1LV8N/Aw/5/8" TOC Fittings
2001ChevroletSilverado 3500—8.1LV8N/A—
2001ChevroletSilverado 3500—8.1LV8N/Aw/TOC
2001GMCSierra 2500 HD—8.1LV8N/Aw/5/8" Transmission Oil Cooler Fittings
2001GMCSierra 3500—8.1LV8N/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2653APDI — 8012537Spectra Premium — CU253715058682