---
product_id: 331410297
title: "Diesel Fuel Common Rail Injection Pressure Regulator Relief Valve Plug for 2001-2004 Chevy GMC 6.6L LB7 Duramax"
brand: "kweiny"
price: "€ 35.69"
currency: EUR
in_stock: true
reviews_count: 10
category: "Kweiny"
url: https://www.desertcart.hr/products/331410297-diesel-fuel-common-rail-injection-pressure-regulator-relief-valve-plug
store_origin: HR
region: Croatia
---

# 16mm thread precision fit Boosts acceleration under load Steel & copper durable build Diesel Fuel Common Rail Injection Pressure Regulator Relief Valve Plug for 2001-2004 Chevy GMC 6.6L LB7 Duramax

**Brand:** kweiny
**Price:** € 35.69
**Availability:** ✅ In Stock

## Summary

> ⛽ Unlock your Duramax’s true power — no more pressure drops, just pure acceleration!

## Quick Answers

- **What is this?** Diesel Fuel Common Rail Injection Pressure Regulator Relief Valve Plug for 2001-2004 Chevy GMC 6.6L LB7 Duramax by kweiny
- **How much does it cost?** € 35.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/331410297-diesel-fuel-common-rail-injection-pressure-regulator-relief-valve-plug)

## 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

- • **Eliminate Power Drops:** Prevents low fuel rail pressure DTC codes (P1093, P0087) to maintain consistent engine power during heavy loads.
- • **Precision Engineered Fit:** M18 x 1.5mm thread ensures seamless compatibility with 2001-2004 Chevy GMC 6.6L LB7 Duramax engines.
- • **Simple Installation Upgrade:** Direct replacement for factory banjo bolt, plugging the fuel return pipe to optimize fuel pressure.
- • **Durability Meets Performance:** Constructed from high-grade steel and copper washers for long-lasting reliability under extreme conditions.
- • **Trusted by Duramax Enthusiasts:** Highly rated by users for restoring peak acceleration and preventing fuel system issues.

## Overview

The Fuel Pressure Relief Valve Plug 16mm is a precision replacement part designed for 2001-2004 Chevy GMC 6.6L LB7 Duramax engines. Made from durable steel and copper, it plugs the fuel return pipe to maintain optimal fuel rail pressure, eliminating common low-pressure error codes and improving acceleration performance under heavy engine load.

## Description

Buy kweiny Diesel Fuel Common Rail Injection Pressure Regulator Relief Valve Plug for 2001-2004 Chevy GMC 6.6L LB7 Duramax: Pressure Regulators - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good quality part - Good quality
Review: Fits Duramax LB7 - I had ordered another one that claimed it fit Duramax LB7, it didn’t, this fit and no more power drop under load

## Features

- Main Usage: Maintaining fuel rail pressure. Improving acceleration performance during heavy engine load. Eliminates potential low fuel rail pressure DTC codes P1093 or P0087
- Working principle: Replaces the factory banjo bolt mounted on the top side of the pressure limiter valve. Plug the fuel return pipe and prevent high pressure fuel from being returned to the fuel tank
- Compatibility: Fit with 2001-2004 Chevy GMC 6.6L LB7 Duramax. Same as Part Number: 1110010024, 113072800
- Quantity and Specification: 1 x Valve Plug, thread M18 x 1.5mm. 3 x Washer, ID φ16mm
- Material: Valve Plug: Steel. Washer: Copper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B096XS1T3T |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #305,959 in Automotive ( See Top 100 in Automotive ) #237 in Automotive Replacement Fuel Injection Pressure Regulators |
| Brand | kweiny |
| Customer Reviews | 4.1 4.1 out of 5 stars (32) |
| Date First Available | June 9, 2021 |
| Exterior Finish | Stainless Steel |
| Inlet Connection Size | 1 Inches |
| Inlet Connection Type | Female Iron Pipe |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 6.4 ounces |
| Item dimensions L x W x H | 1 x 1 x 2.35 inches |
| Item model number | 6.6L |
| Manufacturer | Xingzhu |
| Material | Carbon Steel |
| Number of Ports | 2 |
| Outlet Connection Type | NPT |
| Part Number | XZAMDP16 |
| Product Dimensions | 1 x 1 x 2.35 inches |

## Product Details

- **Brand:** kweiny
- **Exterior Finish:** Stainless Steel
- **Inlet Connection Size:** 1 Inches
- **Inlet Connection Type:** Female Iron Pipe
- **Item dimensions L x W x H:** 1 x 1 x 2.35 inches
- **Manufacturer:** Xingzhu
- **Material:** Carbon Steel
- **Number of Ports:** 2
- **Outlet Connection Type:** NPT

## Images

![Diesel Fuel Common Rail Injection Pressure Regulator Relief Valve Plug for 2001-2004 Chevy GMC 6.6L LB7 Duramax - Image 1](https://m.media-amazon.com/images/I/71UZzOwzAyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality part
*by A***. on July 17, 2025*

Good quality

### ⭐⭐⭐⭐⭐ Fits Duramax LB7
*by J***H on February 16, 2024*

I had ordered another one that claimed it fit Duramax LB7, it didn’t, this fit and no more power drop under load

### ⭐ Full of rust once opened package inside valve
*by D***S on August 12, 2025*

The outside was new the inside was full visible rust not happy with product do not recommend

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**Shop now:** [https://www.desertcart.hr/products/331410297-diesel-fuel-common-rail-injection-pressure-regulator-relief-valve-plug](https://www.desertcart.hr/products/331410297-diesel-fuel-common-rail-injection-pressure-regulator-relief-valve-plug)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-18*