# aFe Power 46-39103 Power Throttle Body for 2003-2015 Toyota 4Runner and More

### Performance Overview

afe Power Throttle Body Spacers are the perfect way to increase performance and improve throttle response on your vehicle. By creating turbulence in the airflow just before entry to the engine, afe Power Throttle Body Spacers allow for more efficient fuel combustion, resulting in improved acceleration and fuel economy. afe Power's Throttle Body Spacer is designed to increase airspeed and throttle response by creating turbulence and reducing the whistle sound. This CNC-machined spacer is made from durable 6061-T6 billet aluminum for strength and reliability. The unique serrated/helix entry design reduces the whistle sound by creating turbulence, while the increased airspeed improves performance and throttle response. Adding afe Power Throttle Body Spacers lengthens the intake tract, which increases air intake speed, resulting in better throttle response and overall performance. So make your drive more enjoyable with afe Power Throttle Body Spacers.

### Key Features

-   Brand: aFe Power
-   Part number: 46-39103
-   Product type: Power Throttle Body
-   Designed for the compatible vehicle applications listed on this page

### Vehicle Fitment

-   2003 Toyota 4Runner, Note: Limited, Sport, Sr5; 4.0L
-   2004 Toyota 4Runner, Note: Limited, Sport, Sr5; 4.0L
-   2005 Toyota 4Runner, Note: Limited, Sport, Sr5; 4.0L
-   2006 Toyota 4Runner, Note: Limited, Sport, Sr5; 4.0L
-   2007 Toyota 4Runner, Note: Limited, Sport, Sr5; 4.0L
-   2008 Toyota 4Runner, Note: Limited, Sport, Sr5; 4.0L
-   2009 Toyota 4Runner, Note: Limited, Sport, Sr5; 4.0L
-   2007 Toyota Fj Cruiser, Note: Base, Trd Special Edition; 4.0L

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 46-39103.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Power Throttle Body for Toyota 4Runner
-   46-39103 fitment
-   aFe Power Power Throttle Body
-   2003 Toyota 4Runner Power Throttle Body

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2003

Toyota

4Runner

Limited, Sport, Sr5; 4.0L

2004

Toyota

4Runner

Limited, Sport, Sr5; 4.0L

2005

Toyota

4Runner

Limited, Sport, Sr5; 4.0L

2006

Toyota

4Runner

Limited, Sport, Sr5; 4.0L

2007

Toyota

4Runner

Limited, Sport, Sr5; 4.0L

2008

Toyota

4Runner

Limited, Sport, Sr5; 4.0L

2009

Toyota

4Runner

Limited, Sport, Sr5; 4.0L

2007

Toyota

Fj Cruiser

Base, Trd Special Edition; 4.0L

2008

Toyota

Fj Cruiser

Base, Trail Teams Special Edition; 4.0L

2009

Toyota

Fj Cruiser

Base; 4.0L

2005

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2006

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2007

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2008

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2009

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2010

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2011

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2012

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2013

Toyota

Tacoma

Base, Pre Runner, X-Runner; 4.0L

2014

Toyota

Tacoma

Base, Pre Runner; 4.0L

2015

Toyota

Tacoma

Base, Pre Runner, Trd Pro; 4.0L

2005

Toyota

Tundra

Base, Sr5; 4.0L

2006

Toyota

Tundra

Base, Sr5; 4.0L

2007

Toyota

Tundra

Base, Sr5; 4.0L

2008

Toyota

Tundra

Base, Sr5; 4.0L

2009

Toyota

Tundra

Base, Sr5; 4.0L

2010

Toyota

Tundra

Base, Sr5; 4.0L

2011

Toyota

Tundra

Base, Sr5; 4.0L

## Details

- **Price:** 593.43 CAD
- **Vendor:** aFe Power
- **Type:** Power Throttle Body
- **Tags:** 2003 Toyota 4Runner, 2004 Toyota 4Runner, 2005 Toyota 4Runner, 2005 Toyota Tacoma, 2005 Toyota Tundra, 2006 Toyota 4Runner, 2006 Toyota Tacoma, 2006 Toyota Tundra, 2007 Toyota 4Runner, 2007 Toyota Fj Cruiser, 2007 Toyota Tacoma, 2007 Toyota Tundra, 2008 Toyota 4Runner, 2008 Toyota Fj Cruiser, 2008 Toyota Tacoma, 2008 Toyota Tundra, 2009 Toyota 4Runner, 2009 Toyota Fj Cruiser, 2009 Toyota Tacoma, 2009 Toyota Tundra, 2010 Toyota Tacoma, 2010 Toyota Tundra, 2011 Toyota Tacoma, 2011 Toyota Tundra, 2012 Toyota Tacoma, 2013 Toyota Tacoma, 2014 Toyota Tacoma, 2015 Toyota Tacoma, 46-39103, aFe Power, AFE-46-39103, Air Filter, Air Intake, Auto Parts, Automotive, Diesel Performance, Direct Replacement, Exhaust Performance, Performance Parts, Power Throttle Body, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 593.43 CAD | In stock |

## Images

- aFe Power 46-39103 Power Throttle Body

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> Source: [Standard Auto Part](www.standardautopart.com/products/afe-toyota-4runner-throttle-body-spacer-46-39103)
> Updated: 2026-06-13