# MotoRad 621-192 Engine Coolant Thermostat with Seal for 2011-2016 Kia Optima

### Specifications

Bypass Diameter: 1.09"

Bypass Length: 1.36"

Flange Thickness: 0.05"

Gasket/Seal Material: Rubber

Installation Tool Included: No

Jiggle Pin Weep Hole: Yes

Number Of Seals: 1

Sealing Flange Outside Diameter: 2.12"

Temperature (Degree): 192F

### Features

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

### Product Details

Engine Coolant Thermostat with Seal by MotoRad®. Temperature: 192F. 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. As cooling system experts, MotoRad knows what is necessary to manufacture a high-quality part that will stand up to the rigors of today’s demanding cooling system environments where others fail.

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: 621-192

UPC: 055644621920

Alternate MPN: 621192

OE Numbers: 2550026100

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2011

Kia

Optima

2013

Kia

Optima

2014

Kia

Optima

2015

Kia

Optima

2014

Kia

Sportage

2015

Kia

Sportage

2016

Kia

Sportage

### 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 621-192.

**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 with Seal for Kia Optima
-   621-192 fitment
-   MotoRad Engine Coolant Thermostat with Seal
-   2011 Kia Optima Engine Coolant Thermostat with Seal

## Details

- **Price:** 26.22 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat with Seal
- **Tags:** 2011, 2013-2015 Kia Optima, 2014-2016 Kia Sportage, 621-192, Automotive, Engine Coolant Thermostat with Seal, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 26.22 CAD | In stock |

## Images

- MotoRad 621-192 Engine Coolant Thermostat with Seal for 2011-2016 Kia Optima

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-621-192-engine-coolant-thermostat-with-seal)
> Updated: 2026-08-17