# MotoRad 431-170 Engine Coolant Thermostat and Housing Assembly for 2002-2009 Infiniti I35

### Specifications

Bolt Hole Quantity: 4

Bolts Included: No

Color: Silver

Gasket/Seal Material: Paper

Installation Tool Included: No

Jiggle Pin Weep Hole: Yes

Material: Aluminum, Stainless Steel, Copper

Mounting Hardware Included: No

Mounting Hole Quantity: 4

Number Of Outlet Ports: 2

Number Of Seals: 0

Outlet Diameter: 1.38"; 0.51"

Temperature (Degree): 170F

### Features

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

### Product Details

Engine Coolant Thermostat and Housing Assembly by MotoRad®. Temperature: 170F. 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.

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: 431-170

UPC: 055644431703

Alternate MPN: 431170

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2002

Infiniti

I35

2003

Infiniti

I35

2004

Infiniti

I35

2002

Nissan

Altima

2003

Nissan

Altima

2004

Nissan

Altima

2005

Nissan

Altima

2006

Nissan

Altima

2002

Nissan

Maxima

2003

Nissan

Maxima

2004

Nissan

Maxima

2005

Nissan

Maxima

2006

Nissan

Maxima

2007

Nissan

Maxima

2008

Nissan

Maxima

2003

Nissan

Murano

2004

Nissan

Murano

2005

Nissan

Murano

2006

Nissan

Murano

2007

Nissan

Murano

2004

Nissan

Quest

2005

Nissan

Quest

2006

Nissan

Quest

2007

Nissan

Quest

2008

Nissan

Quest

2009

Nissan

Quest

### 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 431-170.

**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 and Housing Assembly for Infiniti I35
-   431-170 fitment
-   MotoRad Engine Coolant Thermostat and Housing Assembly
-   2002 Infiniti I35 Engine Coolant Thermostat and Housing Assembly

## Details

- **Price:** 77.53 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat and Housing Assembly
- **Tags:** 2002-2004 Infiniti I35, 2002-2006 Nissan Altima, 2002-2008 Nissan Maxima, 2003-2007 Nissan Murano, 2004-2009 Nissan Quest, 431-170, Automotive, Engine Coolant Thermostat and Housing Assembly, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 77.53 CAD | In stock |

## Images

- MotoRad 431-170 Engine Coolant Thermostat and Housing Assembly for 2002-2009 Infiniti I35

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-431-170-engine-coolant-thermostat-and-housing-assembly)
> Updated: 2026-08-17