Part #: OR2853

Onix OR2853 Radiator

12 vehicles fit this part
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: Buick and Cadillac, DTS and Lucerne
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Radiator for Buick Lucerne and Cadillac DTS

The Onix OR2853 radiator is a direct-fit cooling replacement for select full-size GM sedans. It is built for 2006-2011 Buick Lucerne and 2006-2011 Cadillac DTS applications, with a drop-in-fit design intended to simplify replacement and restore proper engine cooling performance.

Key Features

  • Direct-fit radiator for select Buick Lucerne and Cadillac DTS models
  • Onix premium-quality construction for everyday cooling system service
  • Engineered with top-of-the-line components for longer service life
  • Designed for OE-style fitment in the radiator location
  • Part number OR2853 for accurate ordering and catalog lookup

Detailed Description

Onix Automotive developed the OR2853 as a value-priced radiator for drivers and repair shops that need a replacement cooling component with straightforward fitment. This radiator is listed for 2006-2011 Buick Lucerne and 2006-2011 Cadillac DTS models, making it a practical choice when servicing a leaking, clogged, or damaged radiator. The Onix OR2853 is part of the brand’s drop-in-fit radiator line, which is built to support consistent installation and dependable cooling-system operation.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

  • Coolant leaks from a cracked or corroded radiator
  • Engine overheating caused by restricted coolant flow
  • Temperature fluctuations from an inefficient heat exchanger
  • Cooling system service needs on a Buick Lucerne or Cadillac DTS
  • Replacement of a damaged radiator after age-related wear

Installation Notes and Tips

Verify radiator dimensions, hose connections, and mounting points against the removed unit before installation. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after the radiator is installed. Confirm fitment by matching the vehicle year, make, and model to the application listing for the OR2853.

Quality Assurance

Onix positions this radiator within its premium-quality, drop-in-fit product line and uses engineered components aimed at supporting longer service life and consistent performance. Part number OR2853 is cataloged for accurate identification and application matching.

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011BuickLucerne4.6LV8N/A
2011CadillacDTS4.6LV8N/A
2010BuickLucerne4.6LV8N/A
2010CadillacDTS4.6LV8N/A
2009BuickLucerne4.6LV8N/A
2009CadillacDTS4.6LV8N/A
2008BuickLucerne4.6LV8N/A
2008CadillacDTS4.6LV8N/A
2007BuickLucerne4.6LV8N/A
2007CadillacDTS4.6LV8N/A
2006BuickLucerne4.6LV8N/A
2006CadillacDTS4.6LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.