# GMB 170-3940 Engine Water Pump for 2003-2015 Toyota 4Runner

### Specifications

-   Housing Material: Aluminum
-   Hub Height: 3.48 in
-   Hub Pilot Diameter: 3.07 in
-   Impeller Material: Metal
-   Impeller Rotation: Standard
-   Pulley Type: Flange
-   Water Pump Drive Type: Serpentine Belt
-   Pump Color: Natural
-   Pump Flow: Standard-volume
-   Pump Material: Aluminum
-   Quantity: Sold individually.
-   Remanufactured: No
-   Water Pump Rotation: Clockwise

### Features

-   Designed to deliver trouble-free, consistent performance
-   Right for your vehicle and lifestyle
-   Made from high-quality materials for ultimate durability
-   Manufactured to meet or exceed strict quality requirements

### Product Details

Engine Water Pump (170-3940) by GMB®. Material: Aluminum. Rotation: Standard. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings, impellers, mechanical seal kits and housings. Integration of these parts through GMB experience and accumulated knowledge shall lead to total quality assurance, unsurpassed by anybody else.

Brand: GMB

Part Number: 170-3940

UPC: 083286123304

Alternate MPN: 1703940

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2003

Toyota

4Runner

2004

Toyota

4Runner

2005

Toyota

4Runner

2006

Toyota

4Runner

2007

Toyota

4Runner

2008

Toyota

4Runner

2009

Toyota

4Runner

2007

Toyota

FJ Cruiser

2008

Toyota

FJ Cruiser

2009

Toyota

FJ Cruiser

2005

Toyota

Tacoma

2006

Toyota

Tacoma

2007

Toyota

Tacoma

2008

Toyota

Tacoma

2009

Toyota

Tacoma

2010

Toyota

Tacoma

2011

Toyota

Tacoma

2012

Toyota

Tacoma

2013

Toyota

Tacoma

2014

Toyota

Tacoma

2015

Toyota

Tacoma

2005

Toyota

Tundra

2006

Toyota

Tundra

2007

Toyota

Tundra

2008

Toyota

Tundra

2009

Toyota

Tundra

2010

Toyota

Tundra

### 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 170-3940.

**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 Water Pump for Toyota 4Runner
-   170-3940 fitment
-   GMB Engine Water Pump
-   2003 Toyota 4Runner Engine Water Pump

## Details

- **Price:** 135.84 CAD
- **Vendor:** GMB
- **Type:** Engine Water Pump
- **Tags:** 170-3940, 2003-2009 Toyota 4Runner, 2005-2010 Toyota Tundra, 2005-2015 Toyota Tacoma, 2007-2009 Toyota FJ Cruiser, Automotive, Engine Water Pump, GMB

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 135.84 CAD | In stock |

## Images

- GMB 170-3940 Engine Water Pump for 2003-2015 Toyota 4Runner

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/gmb-170-3940-engine-water-pump)
> Updated: 2026-08-11