# TYC 19171 Auto Trans Oil Cooler for 2018-2024 Buick LaCrosse

### Performance Overview

OE-comparable core dimensions to achieve sufficient cooling surface area for best performance. OE-comparable mounting provisions ensure drop-in precise fitment.

### Key Features

#### Specifications

-   Connector Type: Quick Connector
-   Core Height (in): .79
-   Core Thickness (in): 4.44
-   Core Length (in): 27.44
-   Core Material: Aluminum
-   Flow Configuration: CrossFlow
-   Inlet Diameter: φ12.4
-   Outlet Diamter: φ12.4

#### Package Details

-   Part Number: 19171
-   19-24 CV MLIBU 1.5L Turbo EXT.TOC
-   Package L x W x H: 32.56" x 8.07" x 3.15"
-   Package Weight: 3.40 lbs.

#### Interchanges

-   Chevrolet: 84493650
-   Buick: 84493650
-   Partslink: GM4050136

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2018

Buick

LaCrosse

Base; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary / Essence; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary / Preferred; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary / Premium; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary

2019

Buick

LaCrosse

Base; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary / Essence; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary / Preferred; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary / Premium; 2.5L L4 150ci; Sedan; 2.5L L4 150ci, Auxiliary

2019

Chevrolet

Malibu

L; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2019

Chevrolet

Malibu

LS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / LT; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / RS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2020

Chevrolet

Malibu

L; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2020

Chevrolet

Malibu

LS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / LT; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / RS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2021

Chevrolet

Malibu

L; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2021

Chevrolet

Malibu

LS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / LT; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / RS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2022

Chevrolet

Malibu

LS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / LT; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / RS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2023

Chevrolet

Malibu

LS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / LT; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / RS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

2024

Chevrolet

Malibu

LS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / LT; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary / RS; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, Auxiliary

### 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 19171.

**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

-   Auto Trans Oil Cooler for Buick LaCrosse
-   19171 fitment
-   TYC Auto Trans Oil Cooler
-   2018-2019 Buick LaCrosse Auto Trans Oil Cooler

## Details

- **Price:** 80.51 CAD
- **Vendor:** TYC
- **Type:** Auto Trans Oil Cooler
- **Tags:** 19171, 2018-2019 Buick LaCrosse, 2019-2021 Chevrolet Malibu, 2019-2024 Chevrolet Malibu, Auto Trans Oil Cooler, Auxiliary, L; 1.5L L4 1490cc 91ci; Sedan; 1.5L L4 1490cc 91ci, TYC

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 80.51 CAD | In stock |

## Images

- TYC 19171 Auto Trans Oil Cooler for 2018-2024 Buick LaCrosse

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/tyc-19171-auto-trans-oil-cooler)
> Updated: 2026-07-31