---
product_id: 50029480
title: "TamerXDiesel 14mm Fuel Injector Cap/Block-Off Tool Set, Compatible with 2001-2005 6.6L Chevrolet/GMC Duramax LB7, LLY (8 Pack)"
brand: "tamerx"
price: "$294.62"
currency: USD
in_stock: true
reviews_count: 1
url: https://www.desertcart.us/products/50029480-tamerxdiesel-14mm-fuel-injector-cap-block-off-tool-set-compatible
store_origin: US
region: United States of America
---

# 14mm compatibility Twist-on closure 8-piece set TamerXDiesel 14mm Fuel Injector Cap/Block-Off Tool Set, Compatible with 2001-2005 6.6L Chevrolet/GMC Duramax LB7, LLY (8 Pack)

**Brand:** tamerx
**Price:** $294.62
**Availability:** ✅ In Stock

## Summary

> 🔍 Unlock Your Engine's Potential!

## Quick Answers

- **What is this?** TamerXDiesel 14mm Fuel Injector Cap/Block-Off Tool Set, Compatible with 2001-2005 6.6L Chevrolet/GMC Duramax LB7, LLY (8 Pack) by tamerx
- **How much does it cost?** $294.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/50029480-tamerxdiesel-14mm-fuel-injector-cap-block-off-tool-set-compatible)

## Best For

- tamerx enthusiasts

## Why This Product

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

## Key Features

- • **Modern Design:** Sleek and functional for the modern mechanic.
- • **Essential Toolset:** A must-have for any 6.6L Common Rail engine enthusiast.
- • **Precision Diagnosis:** Identify faulty diesel injectors with ease.
- • **Versatile Compatibility:** Works on various vehicles with 14mm fuel line nuts.
- • **Engine Performance Boost:** Diagnose engine knocking sounds effectively.

## Overview

The Diesel 14mm Fuel Injector Cap/Block-Off Tool Set is a vital 8-piece toolkit designed for professionals and DIY enthusiasts working on 2001-2005 6.6L Chevrolet/GMC Duramax LB7 and LLY engines. With its twist-on closure and modern style, this toolset simplifies the identification of faulty diesel fuel injectors and aids in diagnosing engine issues, ensuring optimal performance.

## Description

TamerXDiesel 14mm Fuel Injector Cap/Block-Off Tool Set, Compatible with 2001-2005 6.6L Chevrolet/GMC Duramax LB7, LLY (8 Pack)

## Features

- An essential tool for anyone who works on 6.6L Common Rail engines
- Helps in identification of faulty diesel fuel injectors and diagnosis of engine knocking sounds
- This tool will also work on other vehicles with a 14mm fuel line nut

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Closure Type | Twist-On |
| Style Name | Modern |

## Product Details

- **Brand:** TamerX
- **Style:** Modern
- **Closure Type:** Twist-On
- **Manufacturer:** TamerX
- **UPC:** 086547482691

## Images

![TamerXDiesel 14mm Fuel Injector Cap/Block-Off Tool Set, Compatible with 2001-2005 6.6L Chevrolet/GMC Duramax LB7, LLY (8 Pack) - Image 1](https://m.media-amazon.com/images/I/711EUPQf1wL.jpg)
![TamerXDiesel 14mm Fuel Injector Cap/Block-Off Tool Set, Compatible with 2001-2005 6.6L Chevrolet/GMC Duramax LB7, LLY (8 Pack) - Image 2](https://m.media-amazon.com/images/I/71Y3hejF+gL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Five Stars
  

*by Z***S on Reviewed in the United States on June 20, 2017*

Absolutely the best investment when dealing with common rail systems.

## Frequently Bought Together

- TamerX Diesel 14mm Fuel Injector Cap/Block-Off Tool Set, Compatible with 2001-2005 6.6L Chevrolet/GMC Duramax LB7, LLY (8 Pack)
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**Shop now:** [https://www.desertcart.us/products/50029480-tamerxdiesel-14mm-fuel-injector-cap-block-off-tool-set-compatible](https://www.desertcart.us/products/50029480-tamerxdiesel-14mm-fuel-injector-cap-block-off-tool-set-compatible)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-20*