# MotoRad 288-174 Engine Coolant Thermostat for 1988-1998 BMW 5-Series

### Specifications

Bypass Diameter: 1.69"

Bypass Length: 1.71"

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: 3.31"

Temperature (Degree): 170F

### Features

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

### Product Details

Engine Coolant Thermostat (288-174) 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: 288-174

UPC: 055644288741

Alternate MPN: 288174

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1994

BMW

5-Series

1995

BMW

5-Series

1988

BMW

7-Series

1989

BMW

7-Series

1990

BMW

7-Series

1991

BMW

7-Series

1992

BMW

7-Series

1993

BMW

7-Series

1994

BMW

7-Series

1995

BMW

7-Series

1991

BMW

8-Series

1992

BMW

8-Series

1993

BMW

8-Series

1994

BMW

8-Series

1995

BMW

8-Series

1996

BMW

8-Series

1997

BMW

8-Series

1998

BMW

8-Series

### 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 288-174.

**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 5-Series
-   288-174 fitment
-   MotoRad Engine Coolant Thermostat
-   1994 BMW 5-Series Engine Coolant Thermostat

## Details

- **Price:** 28.71 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat
- **Tags:** 1988-1995 BMW 7-Series, 1991-1998 BMW 8-Series, 1994-1995 BMW 5-Series, 288-174, Automotive, Engine Coolant Thermostat, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.71 CAD | In stock |

## Images

- MotoRad 288-174 Engine Coolant Thermostat for 1988-1998 BMW 5-Series

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-288-174-engine-coolant-thermostat)
> Updated: 2026-08-17