# MotoRad 1046-188 Engine Coolant Thermostat and Housing Assembly for 2016-2019 Lexus GS

### Specifications

Bolt Hole Quantity: 3

Bolts Included: No

Color: Black

Gasket/Seal Material: Rubber

Installation Tool Included: No

Jiggle Pin Weep Hole Included: No

Material: Plastic

Mounting Hardware Included: No

Mounting Hole Quantity: 3

Number Of Outlet Ports: 3

Number Of Seals: 1

Outlet Diameter: 1.49"; 0.68"; 0.39"

Temperature (Degree): 188F

### Features

-   Offer precise pressure control
-   Ensure the proper fit
-   Made of high quality materials
-   Easy installation

### Product Details

Engine Coolant Thermostat and Housing Assembly by MotoRad®. Temperature: 188F. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their vehicle.

MotoRad offers a full line of thermostats to replace original equipment thermostats. These parts are manufactured with high-grade duel bridge stainless steel construction and they meet or exceed all original equipment manufacturer requirements. MotoRad also offers standard thermostats in many alternate temperatures.

Brand: MotoRad

Part Number: 1046-188

UPC: 055644104683

Alternate MPN: 1046188

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2016

Lexus

GS

2017

Lexus

GS

2018

Lexus

GS

2019

Lexus

GS

2018

Lexus

IS

2018

Lexus

RC

### 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 1046-188.

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

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

### Common Searches

-   Engine Coolant Thermostat and Housing Assembly for Lexus GS
-   1046-188 fitment
-   MotoRad Engine Coolant Thermostat and Housing Assembly
-   2016 Lexus GS Engine Coolant Thermostat and Housing Assembly

## Details

- **Price:** 504.0 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat and Housing Assembly
- **Tags:** 1046-188, 2016-2019 Lexus GS, 2018 Lexus IS, 2018 Lexus RC, Automotive, Engine Coolant Thermostat and Housing Assembly, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 504.00 CAD | In stock |

## Images

- MotoRad 1046-188 Engine Coolant Thermostat and Housing Assembly for 2016-2019 Lexus GS

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-1046-188-engine-coolant-thermostat-and-housing-assembly)
> Updated: 2026-08-17