---
product_id: 58886019
title: "Bully Dog 40420 GT Platinum Tuner for Diesel Applications"
brand: "bully dog"
price: "¥1114"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/58886019-bully-dog-40420-gt-platinum-tuner-for-diesel-applications
store_origin: JP
region: Japan
---

# Power Boost Fuel Efficiency Data Monitoring Bully Dog 40420 GT Platinum Tuner for Diesel Applications

**Brand:** bully dog
**Price:** ¥1114
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate Your Diesel Experience!

## Quick Answers

- **What is this?** Bully Dog 40420 GT Platinum Tuner for Diesel Applications by bully dog
- **How much does it cost?** ¥1114 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/58886019-bully-dog-40420-gt-platinum-tuner-for-diesel-applications)

## Best For

- bully dog enthusiasts

## Why This Product

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

## Key Features

- • **DTC Mastery:** Read and clear Diagnostic Trouble Codes effortlessly.
- • **Smart Monitoring:** Display critical vehicle data with on-screen virtual gauges.
- • **Unleash Your Ride:** Pre-loaded with dyno-proven tunes for maximum power and torque.
- • **Customizable Tuning:** Store up to 10 custom tunes from your local SCT dealer.
- • **Versatile Performance:** Switch on-the-fly for towing, climbing, or cruising.

## Overview

The Bully Dog 40420 GT Platinum Tuner is a cutting-edge performance tool designed for diesel applications, enhancing power, torque, and fuel economy while providing real-time vehicle data monitoring and customizable tuning options.

## Description

Our GT Platinum Diesel Tuner is our top-selling product - and for good reason. The GT Platinum Diesel is four products in one remarkable unit: a vehicle engine tuner monitor gauge and diagnostic device all in a single unit. The remarkable GT transforms the utility of your vehicle by increasing horsepower improving fuel economy and providing a comprehensive set of monitoring features and diagnostic functions.Features:    Economy/Tow Tune 50+ horsepower    Performance Tune 75+ horsepower    Extreme Tune 100+ horsepower/200lbs.-ft torque    Safety Defueling    Calibrate Speedometer    Transmission Tuning    Real Time/Average/Trip Fuel Economy    Coolant Temperature    Fuel Rail Pressure    Manifold Absolute Pressure    Engine RPM    Speed    Timing Position    Air Intake Temperature    Fuel Level    Battery Voltage    Ambient Air Temperature

## Features

- Pre-loaded with dyno-proven tunes that add more power, torque and increase fuel economy
- Monitor & display critical vehicle data using the on-screen virtual gauges. Read and Clear DTC’s (Diagnostic Trouble Codes).
- Switch on-the-fly power lets you tow, climb, work, or just cruise down the highway
- SCT Custom Tuning Support - Stores up to 10 custom tune files created by your local SCT Custom Tuning Dealer
- Works on Ford, Dodge, Chevrolet and GMC diesel vehicles. 2013-15 Dodge Cummins Unlock cable must be purchased for tuning (part# 42214)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Bully Dog |
| Brand | Bully Dog |
| Model | 40420 |
| Product Dimensions | 15.24 x 15.24 x 9.65 cm; 136.08 Grams |
| Item model number | 40420 |
| Manufacturer part number | 40420 |
| OEM Part Number | 40420 |
| Item Weight | 136 g |

## Images

![Bully Dog 40420 GT Platinum Tuner for Diesel Applications - Image 1](https://m.media-amazon.com/images/I/81yaaDihi4L.jpg)
![Bully Dog 40420 GT Platinum Tuner for Diesel Applications - Image 2](https://m.media-amazon.com/images/I/816ppbFKqBS.jpg)
![Bully Dog 40420 GT Platinum Tuner for Diesel Applications - Image 3](https://m.media-amazon.com/images/I/81vxDrma3CS.jpg)
![Bully Dog 40420 GT Platinum Tuner for Diesel Applications - Image 4](https://m.media-amazon.com/images/I/81dzGqIdaiS.jpg)
![Bully Dog 40420 GT Platinum Tuner for Diesel Applications - Image 5](https://m.media-amazon.com/images/I/71AFQPo-DDS.jpg)

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**Shop now:** [https://www.desertcart.jp/products/58886019-bully-dog-40420-gt-platinum-tuner-for-diesel-applications](https://www.desertcart.jp/products/58886019-bully-dog-40420-gt-platinum-tuner-for-diesel-applications)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-16*