# MotoRad 243-180 Engine Coolant Thermostat for 1987-1991 Chevy Cavalier

### Specifications

Bypass Diameter: 1.09"

Bypass Length: 1.42"

Flange Thickness: 0.05"

Gasket/Seal Material: Rubber

Installation Tool Included: No

Jiggle Pin Weep Hole Included: No

Number Of Seals: 1

Sealing Flange Outside Diameter: 1.81"

Temperature (Degree): 180F

### Features

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

### Product Details

Engine Coolant Thermostat (243-180) by MotoRad®. Temperature: 180F. 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: 243-180

UPC: 055644243801

Alternate MPN: 243180

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1987

Chevy

Cavalier

1988

Chevy

Cavalier

1989

Chevy

Cavalier

1990

Chevy

Cavalier

1991

Chevy

Cavalier

1987

Pontiac

Tempest

1988

Pontiac

Tempest

1989

Pontiac

Tempest

1990

Pontiac

Tempest

1991

Pontiac

Tempest

### 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 243-180.

**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 for Chevy Cavalier
-   243-180 fitment
-   MotoRad Engine Coolant Thermostat
-   1987 Chevy Cavalier Engine Coolant Thermostat

## Details

- **Price:** 16.93 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat
- **Tags:** 1987-1991 Chevy Cavalier, 1987-1991 Pontiac Tempest, 243-180, Automotive, Engine Coolant Thermostat, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 16.93 CAD | In stock |

## Images

- MotoRad 243-180 Engine Coolant Thermostat for 1987-1991 Chevy Cavalier

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-243-180-engine-coolant-thermostat)
> Updated: 2026-08-17