Onix OR2837 Radiator

Brand Onix OR2837
Fits Buick, Chevrolet, and Pontiac · 16 vehicles

Drop-in fit. Premium-quality radiator line engineered for straightforward replacement.

Designed with top-of-the-line components for longer service life and better performance.

$180.84Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $180.84
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator for Select GM Applications

The Onix OR2837 radiator is a direct-fit cooling replacement for select Chevrolet, Buick, and Pontiac applications. It is built for drivers replacing a worn or leaking radiator on vehicles such as the Chevrolet Impala, Buick LaCrosse, and Pontiac Grand Prix.

  • Direct-fit radiator for select GM passenger cars
  • Compatible with 2006-2011 Chevrolet Impala, w/ Police Package
  • Compatible with 2008-2009 Buick Allure
  • Compatible with 2008-2009 Buick LaCrosse
  • Compatible with 2005-2008 Pontiac Grand Prix
  • Compatible with 2006-2007 Chevrolet Monte Carlo
  • Onix part number OR2837

Built for Cooling System Replacement

Onix designs its radiator line with upgraded components and a drop-in-fit approach to support dependable cooling performance and longer service life. The OR2837 is intended for vehicles that need a replacement radiator to restore proper heat transfer and maintain stable operating temperatures in everyday driving.

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

Common Problems This Radiator Can Address

  • Coolant leaks from a damaged or corroded radiator
  • Overheating caused by restricted coolant flow
  • Temperature instability during stop-and-go driving
  • Cooling system performance loss from an aging core
  • Replacement needs after impact or road debris damage

Installation Notes and Fitment Tips

Fits 2006-2011 Chevrolet Impala, w/ Police Package. Fits 2008-2009 Buick Allure. Fits 2008-2009 Buick LaCrosse. Fits 2005-2008 Pontiac Grand Prix. Fits 2006-2007 Chevrolet Monte Carlo. Verify radiator dimensions, hose connections, and transmission cooler provisions against the original unit before installation. Flush the cooling system and inspect hoses, clamps, and the thermostat when replacing the radiator. Confirm the vehicle application by part number OR2837 before ordering.

Quality Assurance

Onix positions this radiator line as a value-focused OE-style replacement built with service life and performance in mind. The OR2837 is engineered for direct-fit replacement use in the listed applications.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2011ChevroletImpala3.5LV6w/ Police Package
2010ChevroletImpala3.5LV6w/ Police Package
2009BuickAllure5.3LV8
2009BuickLaCrosse5.3LV8
2009ChevroletImpala3.5LV6w/ Police Package
2008BuickAllure5.3LV8
2008BuickLaCrosse5.3LV8
2008ChevroletImpala3.5LV6w/ Police Package
2008PontiacGrand Prix5.3LV8
2007ChevroletImpala3.5LV6w/ Police Package
2007ChevroletMonte Carlo5.3LV8
2007PontiacGrand Prix5.3LV8
2006ChevroletImpala3.5LV6w/ Police Package
2006ChevroletMonte Carlo5.3LV8
2006PontiacGrand Prix5.3LV8
2005PontiacGrand Prix5.3LV8