# MotoRad 268-180 Engine Coolant Thermostat for 1984-2004 Infiniti Q45

### Specifications

Bypass Diameter: 0.98"

Bypass Length: 1.88"

Flange Thickness: 0.05"

Gasket or Seal included: No

Installation Tool Included: No

Jiggle Pin Weep Hole Included: No

Sealing Flange Outside Diameter: 2.52"

Temperature (Degree): 180F

### Features

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

### Product Details

Engine Coolant Thermostat 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: 268-180

UPC: 055644268804

Alternate MPN: 268180

OE Numbers: 19114495

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1997

Infiniti

Q45

1998

Infiniti

Q45

1999

Infiniti

Q45

2000

Infiniti

Q45

2001

Infiniti

Q45

2000

Infiniti

QX4

1993

Mercury

Villager

1994

Mercury

Villager

1995

Mercury

Villager

1996

Mercury

Villager

1997

Mercury

Villager

1998

Mercury

Villager

1999

Mercury

Villager

2000

Mercury

Villager

2001

Mercury

Villager

2002

Mercury

Villager

1984

Nissan

300ZX

1985

Nissan

300ZX

1986

Nissan

300ZX

2002

Nissan

Xterra

2003

Nissan

Xterra

2004

Nissan

Xterra

### 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 268-180.

**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 Infiniti Q45
-   268-180 fitment
-   MotoRad Engine Coolant Thermostat
-   1997 Infiniti Q45 Engine Coolant Thermostat

## Details

- **Price:** 17.32 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat
- **Tags:** 1984-1986 Nissan 300ZX, 1993-2002 Mercury Villager, 1997-2001 Infiniti Q45, 2000 Infiniti QX4, 2002-2004 Nissan Xterra, 268-180, Automotive, Engine Coolant Thermostat, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.32 CAD | In stock |

## Images

- MotoRad 268-180 Engine Coolant Thermostat for 1984-2004 Infiniti Q45

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-268-180-engine-coolant-thermostat)
> Updated: 2026-08-17