---
product_id: 391577401
title: "DEF 400-524 Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System"
brand: "def"
price: "฿2979"
currency: THB
in_stock: true
category: "Def"
url: https://www.desertcart.co.th/products/391577401-def-400-524-throttle-body-spacer-replacement-for-mustang-gt
store_origin: TH
region: Thailand
---

# Improves Throttle Response CNC 6061-T6 Aluminum Torque Gains 800-3000 RPM DEF 400-524 Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System

**Brand:** def
**Price:** ฿2979
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Your Ride with Power and Style!

## Quick Answers

- **What is this?** DEF 400-524 Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System by def
- **How much does it cost?** ฿2979 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/391577401-def-400-524-throttle-body-spacer-replacement-for-mustang-gt)

## Best For

- def enthusiasts

## Why This Product

- Trusted def brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Installation:** Get back on the road quickly with a straightforward setup.
- • **Precision Engineering:** CNC machined for a perfect fit and performance.
- • **Sleek & Durable Design:** Anodized red finish for style and longevity.
- • **Boost Your Driving Experience:** Experience improved low-end torque like never before.
- • **Unleash Your Mustang's Potential:** Transform your ride with enhanced mid-range power!

## Overview

The DEF 400-524 Throttle Body Spacer is a high-performance replacement part designed specifically for Mustang GT models from 1999 to 2004 with a 4.6L V8 engine. Made from CNC 6061-T6 billet aluminum and finished in anodized red, this spacer enhances mid-range power, improves low-end torque, and optimizes throttle response, delivering significant torque gains between 800 to 3000 RPM.

## Description

Buy DEF 400-524 Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8.
- Replaces Part Number:400-524.
- Material:CNC 6061-T6 Billet Aluminum.Anodized red for a good looking and a longer service life.
- Feature:Provides Stronger Mid-Range Power,Improves Low End Torque and Throttle Response.with tremendous torque gains seen between 800 to 3000 RPM.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DEF |
| Brand | DEF |
| Package Dimensions | 15.29 x 15.19 x 3 cm; 481 g |
| Manufacturer reference | SS-TOOL09-RD |
| Manufacturer Part Number | SS-TOOL09-RD |
| Item Weight | 481 g |

## Images

![DEF 400-524 Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System - Image 1](https://m.media-amazon.com/images/I/814XxADq69L.jpg)

## Frequently Bought Together

- DEF 400-524 Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System
- K&N Gasoline Fuel Filter: High Performance Filter, Premium Engine Protection, 1996-2017 Ford, Lincoln, Mercury Injected Engines, Pf-2000

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**Shop now:** [https://www.desertcart.co.th/products/391577401-def-400-524-throttle-body-spacer-replacement-for-mustang-gt](https://www.desertcart.co.th/products/391577401-def-400-524-throttle-body-spacer-replacement-for-mustang-gt)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-26*