# MotoRad 274-174 Engine Coolant Thermostat for 1989-2000 BMW 3-Series

### Specifications

Bypass Diameter: 1.30"

Bypass Length: 1.02"

Flange Thickness: 0.05"

Gasket or Seal included: No

Installation Tool Included: No

Jiggle Pin Weep Hole Included: No

Sealing Flange Outside Diameter: 2.64"

Temperature (Degree): 170F

### Features

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

### Product Details

Engine Coolant Thermostat (274-174) by MotoRad®. Temperature: 174F. 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: 274-174

UPC: 055644274744

Alternate MPN: 274174

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1990

BMW

3-Series

1991

BMW

3-Series

1992

BMW

3-Series

1995

BMW

3-Series

1996

BMW

3-Series

1997

BMW

3-Series

1998

BMW

3-Series

1999

BMW

3-Series

1989

BMW

5-Series

1991

BMW

5-Series

1992

BMW

5-Series

1993

BMW

5-Series

1994

BMW

5-Series

1995

BMW

5-Series

1991

BMW

7-Series

1992

BMW

7-Series

1996

BMW

8-Series

1998

BMW

Z3

1999

BMW

Z3

2000

BMW

Z3

### 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 274-174.

**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 BMW 3-Series
-   274-174 fitment
-   MotoRad Engine Coolant Thermostat
-   1990 BMW 3-Series Engine Coolant Thermostat

## Details

- **Price:** 20.45 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat
- **Tags:** 1989, 1990-1992, 1991-1992 BMW 7-Series, 1991-1995 BMW 5-Series, 1995-1999 BMW 3-Series, 1996 BMW 8-Series, 1998-2000 BMW Z3, 274-174, Automotive, Engine Coolant Thermostat, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 20.45 CAD | In stock |

## Images

- MotoRad 274-174 Engine Coolant Thermostat for 1989-2000 BMW 3-Series

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-274-174-engine-coolant-thermostat)
> Updated: 2026-08-17