---
product_id: 172573074
title: "Diesel Common Rail 14mm Fuel Injector Cap for GM 6.6L Chrysler 5.9L"
brand: "kweiny"
price: "2457 som"
currency: KGS
in_stock: true
category: "Kweiny"
url: https://www.desertcart.kg/products/172573074-diesel-common-rail-14mm-fuel-injector-cap-for-gm-6
store_origin: KG
region: Kyrgyzstan
---

# Blocks fuel supply to faulty injector M14x1.5mm precision thread Carbon tool steel, galvanized finish Diesel Common Rail 14mm Fuel Injector Cap for GM 6.6L Chrysler 5.9L

**Brand:** kweiny
**Price:** 2457 som
**Availability:** ✅ In Stock

## Summary

> 🔩 Diagnose like a pro, block like a boss!

## Quick Answers

- **What is this?** Diesel Common Rail 14mm Fuel Injector Cap for GM 6.6L Chrysler 5.9L by kweiny
- **How much does it cost?** 2457 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/172573074-diesel-common-rail-14mm-fuel-injector-cap-for-gm-6)

## Best For

- kweiny enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros:** Highly rated with 4.7 stars from 199 expert users
- • **Instant Fault Isolation:** Seals and blocks fuel to faulty injectors for quick diagnostics
- • **Durable Carbon Steel Build:** Galvanized surface ensures long-lasting corrosion resistance
- • **Precision Fit for Powerhouses:** Engineered for 2001-2005 Chevy/GMC Duramax 6.6L & 2003-2007 Dodge Cummins 5.9L
- • **Plug & Diagnose with Confidence:** Simple twist-on design for hassle-free installation and removal

## Overview

The Diesel Common Rail 14mm Fuel Injector Cap is a precision-engineered diagnostic tool designed to fit GM 6.6L Duramax and Chrysler 5.9L Cummins engines. Made from durable carbon tool steel with a galvanized finish, it blocks fuel supply to faulty injectors, enabling quick and accurate engine cylinder diagnostics. Its M14x1.5mm internal thread ensures a perfect fit, making it an essential tool for professional mechanics and serious DIYers aiming to maintain peak engine performance.

## Description

Buy kweiny Diesel Common Rail 14mm Fuel Injector Cap for GM 6.6L Chrysler 5.9L | Block Off Tool for Chevy GMC Duramax 6.6L & Dodge Cummins 5.9L Some Models: Fuel Tank Caps - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Main Usage: Identification of faulty diesel fuel injectors and diagnosis of engine cylinder knocking sounds;
- Compatibility: Fit with 2001-2005 6.6L Chevy/GMC Duramax and for Dodge/Cummins 2003-2007 5.9L, for Bosch diesel common rail system, and other vehicles with a 14mm fuel line nut;
- Working principle: Block the fuel supply to the detected cylinder, and sealed diesel common rail pipe. Make the detected cylinder temporarily stop working;
- Specification: M14x1.5mm internal thread nut;
- Material: Carbon tool steel, surface galvanized.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B081NGCSVW |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #536,515 in Automotive ( See Top 100 in Automotive ) #1,933 in Automotive Replacement Fuel Tank Caps #17,884 in Automotive Replacement Fuel System Equipment |
| Brand Name | kweiny |
| Closure Type | Twist-On |
| Color | Galvanized |
| Compatible with Vehicle Type | Truck |
| Customer Reviews | 4.7 4.7 out of 5 stars (199) |
| Exterior Finish | Galvanized |
| Item Dimensions | 0.78 x 0.78 x 0.9 inches |
| Item Highlight | Block Off Tool for Chevy GMC Duramax 6.6L & Dodge Cummins 5.9L Some Models |
| Manufacturer Part Number | XZAMBS001 |
| Material Type | Carbon Tool Steel |
| Model Number | oz |
| Number of Items | 1 |
| Style Name | Auto Part |
| Unit Count | 1 Count |

## Product Details

- **Brand:** kweiny
- **Color:** Galvanized
- **Exterior Finish:** Galvanized
- **Item dimensions L x W x H:** 0.78 x 0.78 x 0.9 inches
- **Material:** Carbon Tool Steel

## Images

![Diesel Common Rail 14mm Fuel Injector Cap for GM 6.6L Chrysler 5.9L - Image 1](https://m.media-amazon.com/images/I/61qxRMNns3L.jpg)

## Frequently Bought Together

- kweiny Diesel Common Rail 14mm Fuel Injector Cap Block Off Tool
- 6 Cylinder Diesel Injector Flow Meter Diagnostic Set, Cylinder Common Rail Adaptor Test Tool Leak Off Test Kit

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**Shop now:** [https://www.desertcart.kg/products/172573074-diesel-common-rail-14mm-fuel-injector-cap-for-gm-6](https://www.desertcart.kg/products/172573074-diesel-common-rail-14mm-fuel-injector-cap-for-gm-6)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-09-26*