Part #: 2491

One Stop Solutions 2491 Radiator

8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$164.64Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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: Cadillac and Oldsmobile, DeVille and Aurora
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 Cadillac Aurora and Oldsmobile DeVille

The One Stop Solutions radiator part number 2491 is engineered to provide dependable cooling performance for Cadillac Aurora and Oldsmobile DeVille models. Designed with precision, this radiator ensures efficient heat dissipation and supports transmission oil cooling for optimal vehicle operation.

Key Features of One Stop Solutions Radiator 2491

  • 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 plated transmission oil cooler with fittings spaced 11 1/2 inches apart
  • Crossflow design with a single core row for efficient heat exchange
  • Components fitted and torqued to factory specifications
  • 100% tested up to three times during production for reliability
  • Enhancements to address original design failures and improve durability

Detailed Radiator Specifications and Design

This radiator features a core height of 30 1/2 inches, core width of 15 1/16 inches, and a core thickness of 1 inch, providing a robust cooling surface. The crossflow core design promotes effective airflow across the radiator, enhancing heat dissipation. The plastic tanks and PA core material balance durability with weight savings. Both inlet and outlet headers measure 16 5/8 inches in length and 2 7/16 inches in width, with inlet and outlet diameters of 1 5/16 inches and 1 9/16 inches respectively. The included plated transmission oil cooler supports transmission fluid temperature regulation, with fittings spaced 11 1/2 inches apart. This radiator does not include an engine oil cooler or cap.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiators in Cadillac Aurora and Oldsmobile DeVille
  • Resolves overheating caused by inefficient or clogged radiator cores
  • Addresses transmission overheating by integrating a transmission oil cooler
  • Fixes radiator failures due to cracked plastic tanks or corroded cores
  • Improves cooling system performance after original design shortcomings

Installation Notes and Tips

The One Stop Solutions radiator 2491 is designed for a direct drop-in replacement, requiring no modifications to existing mounting points or fittings. All necessary fittings and hardware are included to ensure a straightforward installation. It is recommended to verify hose diameters and transmission cooler line compatibility before installation. Proper torque specifications should be followed when securing components to maintain factory standards.

Quality Assurance and Warranty Information

Each radiator undergoes rigorous testing up to three times during production to ensure consistent quality and performance. Components are assembled and torqued to factory specifications to maintain reliability. While specific warranty details are not provided, One Stop Solutions products are manufactured to meet or exceed OEM standards, supporting long-term durability in Cadillac Aurora and Oldsmobile DeVille vehicles.

BrandOne Stop Solutions
Part Number2491
Cap IncludedNO
Core Height30 1/2
Core MaterialPA
Core Row Quantity1
Core Thickness1
Core Thickness26
Core Width15 1/16
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler IncludedNO
Engine Oil Cooler TypeNONE
Inlet Diameter1 5/16
Inlet Header Length16 5/8
Inlet Header Width2 7/16
Outlet Diameter1 9/16
Outlet Header Length16 5/8
Outlet Header Width2 7/16
Tank MaterialPLASTIC
Transmission Oil Cooler Distance between Fittings11 1/2
Transmission Oil Cooler IncludedYES
Transmission Oil Cooler TypePLATED

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005CadillacDeVille4.6LV8N/Awo/EOC
2004CadillacDeVille4.6LV8N/Awo/EOC
2003CadillacDeVille4.6LV8N/Awo/EOC
2003OldsmobileAurora4.0LV8N/A
2002CadillacDeVille4.6LV8N/Awo/EOC
2002OldsmobileAurora4.0LV8N/A
2001CadillacDeVille4.6LV8N/Awo/EOC
2001OldsmobileAurora4.0LV8N/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:

52381076565108012491CU2491

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