# TYC 1890 Radiator Assembly for 1998-2003 Buick Regal

### Performance Overview

OE-comparable core dimensions to achieve sufficient surface area for optimal cooling. Individually leak-tested to ensure product has no leaks.

### Key Features

#### Specifications

-   TOC Inlet Diameter (IN): 1/2-20UNF
-   Flow Configuration: Crossflow
-   Fin Count (every 4"): 56
-   Core Length (in): 30.51
-   Transmission Oil Cooler Type: Plate Oil Cooler
-   Fin Wave Pitch: 3.6
-   Toc Outlet Type: Adapter
-   Core Height (in): 15.08
-   Core Thickness (in): 1.02
-   Inlet Diameter (in): 1.3
-   Outlet Diameter (in): 1.3
-   Total Fin Row Count: 35
-   Transmission Oil Cooler Included: Yes
-   Tube Width X Height: 26x2
-   Tube Count (every 4"): 10
-   TOC Outlet Diameter (IN): 1/2-20UNF
-   Inlet Connection Type: Hose Clamp
-   Fin Wave Height (in): 0.35
-   Toc Inlet Type: Adapter
-   Bottom Header: 2.42x16.59
-   No. Of Rows: 1
-   Outlet Connection Type: Hose Clamp
-   Toc Distance (in): 11.50
-   Total Tube Count: 34
-   Engine Oil Cooler Included: No
-   Core Material: Aluminum
-   Top Header: 2.42x16.59

#### Package Details

-   Part Number: 1890
-   97-03 PT GRD PRX 3.8L V6 A/MT 1R PA(W/S.CHRG)RAD
-   Package L x W x H: 21.06" x 6.10" x 37.60"
-   Package Weight: 12.69 lbs.

#### Interchanges

-   Vista Pro: 432425
-   APDI: 8011890
-   Pontiac: 89018557
-   Buick: 89018557
-   Spectra Premium: CU1890
-   Partslink: GM3010106

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1998

Buick

Regal

25th Anniversary Edition; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

1998

Buick

Regal

GS; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

1999

Buick

Regal

GS; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

1998

Pontiac

Grand Prix

GTP; 3.8L V6 3800cc 231ci; Supercharged; Coupe; 3.8L V6 3800cc 231ci, Primary / GTP; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

1999

Pontiac

Grand Prix

GTP; 3.8L V6 3800cc 231ci; Supercharged; Coupe; 3.8L V6 3800cc 231ci, Primary / GTP; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

2000

Pontiac

Grand Prix

GTP; 3.8L V6 3800cc 231ci; Supercharged; Coupe; 3.8L V6 3800cc 231ci, Primary / GTP; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

2001

Pontiac

Grand Prix

GTP; 3.8L V6 3800cc 231ci; Supercharged; Coupe; 3.8L V6 3800cc 231ci, Primary / GTP; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

2002

Pontiac

Grand Prix

GTP; 3.8L V6 3800cc 231ci; Supercharged; Coupe; 3.8L V6 3800cc 231ci, Primary / GTP; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

2003

Pontiac

Grand Prix

GT; 3.8L V6 3800cc 231ci; Naturally Aspirated; Coupe; 3.8L V6 3800cc 231ci, Primary / GT; 3.8L V6 3800cc 231ci; Naturally Aspirated; Sedan; 3.8L V6 3800cc 231ci, Primary

2003

Pontiac

Grand Prix

GTP; 3.8L V6 3800cc 231ci; Supercharged; Coupe; 3.8L V6 3800cc 231ci, Primary / GTP; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 1890.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the Vehicle Fitment Table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the Vehicle Fitment Table before ordering.

### Common Searches

-   Radiator Assembly for Buick Regal
-   1890 fitment
-   TYC Radiator Assembly
-   1998 Buick Regal Radiator Assembly

## Details

- **Price:** 285.22 CAD
- **Vendor:** TYC
- **Type:** Radiator Assembly
- **Tags:** 1890, 1998 Buick Regal, 1998-1999 Buick Regal, 1998-2003 Pontiac Grand Prix, 2003 Pontiac Grand Prix, GS; 3.8L V6 3800cc 231ci; Supercharged; Sedan; 3.8L V6 3800cc 231ci, Primary, Radiator Assembly, TYC

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 285.22 CAD | In stock |

## Images

- TYC 1890 Radiator Assembly for 1998-2003 Buick Regal

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/tyc-1890-radiator-assembly)
> Updated: 2026-07-31