Universal Air
Crossflow Radiator

Universal Air RA1889C Radiator

Brand Universal Air RA1889C
Product line Crossflow Radiator
Fits Pontiac, Chevrolet, Oldsmobile, and Buick · 31 vehicles

Crossflow design. Promotes efficient coolant flow through the radiator.

Radiator for cooling-system replacement.

$158.58Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Crossflow Radiator for GM Minivans and Sedans

Universal Air RA1889C is a crossflow radiator for select 1997-2003 GM applications with a 5/8 core. It is built for direct replacement use in vehicles that need a radiator matched to this core specification and crossflow layout.

Compatible With Pontiac Grand Prix, Oldsmobile Silhouette, Pontiac Montana, Buick Century, Buick Regal, Oldsmobile Intrigue, and Pontiac Trans Sport applications listed below. The RA1889C part number is used for fitment matching when sourcing a replacement radiator for these vehicles.

Key Features

  • Crossflow radiator design
  • 5/8 core specification
  • Replacement radiator for select GM passenger cars and minivans
  • Fitment coverage across 1997-2003 model years
  • Universal Air RA1889C identification for catalog matching

Detailed Description

Universal Air Crossflow Radiator RA1889C is cataloged for 1997-2003 Pontiac Grand Prix, 1997-2000 Oldsmobile Silhouette, 1999-2000 Pontiac Montana, 1997-1999 Buick Century, 1997-1999 Buick Regal, 1998-1999 Oldsmobile Intrigue, and 1997-1999 Pontiac Trans Sport, all with a 5/8 core and crossflow radiator configuration. Use the RA1889C part number to verify the correct radiator listing before ordering. This part cross-references no additional part numbers in the provided data.

Common Uses

  • Replacing a leaking or damaged radiator
  • Restoring proper engine coolant circulation
  • Addressing overheating caused by a restricted radiator core
  • Correcting fitment on vehicles requiring a 5/8 core crossflow radiator

Installation Notes and Tips

Confirm the vehicle year, make, model, and radiator core specification before installation. Match the existing radiator layout to the crossflow design and verify all hose and mounting points against the removed unit. Professional installation is recommended for cooling system service, followed by a full coolant refill and system bleed.

Quality Assurance

Universal Air identifies this radiator by part number RA1889C for catalog accuracy and application matching. Verify fitment against the listed vehicle applications before installation.

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2003PontiacGrand PrixSE——N/Awith 5/8 Core; Crossflow Radiator
2003PontiacGrand PrixGT——N/Awith 5/8 Core; Crossflow Radiator
2002PontiacGrand PrixGT——N/Awith 5/8 Core; Crossflow Radiator
2002PontiacGrand PrixSE——N/Awith 5/8 Core; Crossflow Radiator
2001PontiacGrand PrixGT——N/Awith 5/8 Core; Crossflow Radiator
2001PontiacGrand PrixSE——N/Awith 5/8 Core; Crossflow Radiator
2000OldsmobileSilhouette———N/Awith 5/8 Core; Crossflow Radiator
2000PontiacGrand PrixGT——N/Awith 5/8 Core; Crossflow Radiator
2000PontiacGrand PrixSE——N/Awith 5/8 Core; Crossflow Radiator
2000PontiacMontana———N/Awith 5/8 Core; Crossflow Radiator
1999BuickCentury———N/Awith 5/8 Core; Crossflow Radiator
1999BuickRegal———N/Awith 5/8 Core; Crossflow Radiator
1999OldsmobileIntrigue—3.8LV6N/Awith 5/8 Core; Crossflow Radiator
1999OldsmobileSilhouette———N/Awith 5/8 Core; Crossflow Radiator
1999PontiacGrand PrixGT——N/Awith 5/8 Core; Crossflow Radiator
1999PontiacGrand PrixSE——N/Awith 5/8 Core; Crossflow Radiator
1999PontiacMontana———N/Awith 5/8 Core; Crossflow Radiator
1999PontiacTrans Sport———N/Awith 5/8 Core; Crossflow Radiator
1998BuickCentury———N/Awith 5/8 Core; Crossflow Radiator
1998BuickRegal———N/Awith 5/8 Core; Crossflow Radiator
1998OldsmobileIntrigue———N/Awith 5/8 Core; Crossflow Radiator
1998OldsmobileSilhouette———N/Awith 5/8 Core; Crossflow Radiator
1998PontiacGrand PrixGT——N/Awith 5/8 Core; Crossflow Radiator
1998PontiacGrand PrixSE——N/Awith 5/8 Core; Crossflow Radiator
1998PontiacTrans Sport———N/Awith 5/8 Core; Crossflow Radiator
1997BuickCentury———N/Awith 5/8 Core; Crossflow Radiator
1997BuickRegal———N/Awith 5/8 Core; Crossflow Radiator
1997OldsmobileSilhouette———N/Awith 5/8 Core; Crossflow Radiator
1997PontiacGrand PrixGT——N/Awith 5/8 Core; Crossflow Radiator
1997PontiacGrand PrixSE——N/Awith 5/8 Core; Crossflow Radiator
1997PontiacTrans Sport———N/Awith 5/8 Core; Crossflow Radiator