---
product_id: 611896561
title: "Unifizz Die-sel Fuel Injector Return Line Rail Kit for 2004-2010 Che-vy G-MC 6.6L LLY LMM LBZ Dura-max Engine"
brand: "unifizz"
price: "286.82 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/611896561-unifizz-die-sel-fuel-injector-return-line-rail-kit-2004
store_origin: TN
region: Tunisia
---

# Precision fuel pressure control Complete connector kit included Durable high-quality materials Unifizz Die-sel Fuel Injector Return Line Rail Kit for 2004-2010 Che-vy G-MC 6.6L LLY LMM LBZ Dura-max Engine

**Brand:** unifizz
**Price:** 286.82 DT
**Availability:** ✅ In Stock

## Summary

> ⛽ Upgrade your Duramax’s heart with precision and power!

## Quick Answers

- **What is this?** Unifizz Die-sel Fuel Injector Return Line Rail Kit for 2004-2010 Che-vy G-MC 6.6L LLY LMM LBZ Dura-max Engine by unifizz
- **How much does it cost?** 286.82 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/611896561-unifizz-die-sel-fuel-injector-return-line-rail-kit-2004)

## Best For

- unifizz enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium materials for long-term durability and reliability
- • **Full Connector Set:** Includes 6 'T' connectors, 2 90° connectors, O-rings & clips for seamless installation
- • **Wide Compatibility:** Fits 2004-2010 Chevy GMC 6.6L LLY, LBZ, LMM Duramax engines
- • **Plug-and-Play Upgrade:** Direct replacement for multiple OEM part numbers for hassle-free swap
- • **Optimized Fuel Pressure Delivery:** Ensures consistent injector pressure without tank pressure fluctuations

## Overview

The Unifizz Diesel Fuel Injector Return Line Rail Kit is a premium replacement part designed for 2004-2010 Chevy and GMC 6.6L Duramax engines (LLY, LBZ, LMM). It ensures stable fuel injector pressure without impacting fuel tank pressure, enhancing engine performance. The kit includes all necessary connectors, O-rings, and clips, made from durable materials for reliable, long-lasting use.

## Description

Unifizz Die-sel Fuel Injector Return Line Rail Kit for 2004-2010 Che-vy G-MC 6.6L LLY LMM LBZ Dura-max Engine

## Features

- Replace Part Number: 97328733 98062291 97328732 98045649 98045648 97380859
- Compatible with 2004-2010 Che-vy G-MC 6.6L LLY LBZ LMM Dura-max
- Ensures the fuel pump can provide consistent pressure to the injectors without affecting the fuel tank pressure
- Made with high-quality material for long-lasting durability
- Includes 6 "T" return connectors, 2 90-degree return connectors, 8 return connector O-rings, and 8 return connector retaining clips

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Unifizz |
| Part number | Q23377A |
| Item Weight | 241 g |
| Package Dimensions | 16.5 x 12 x 4 cm; 241 g |
| Manufacturer reference | Q23377A |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![Unifizz Die-sel Fuel Injector Return Line Rail Kit for 2004-2010 Che-vy G-MC 6.6L LLY LMM LBZ Dura-max Engine - Image 1](https://m.media-amazon.com/images/I/71GQT+V7zcL.jpg)

## Frequently Bought Together

- Unifizz Die-sel Fuel Injector Return Line Rail Kit for 2004-2010 Che-vy G-MC 6.6L LLY LMM LBZ Dura-max Engine
- 6 Cylinder Diesel Injector Flow Meter Adaptor Set Common Rail Leak Off Tester

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**Shop now:** [https://www.desertcart.tn/products/611896561-unifizz-die-sel-fuel-injector-return-line-rail-kit-2004](https://www.desertcart.tn/products/611896561-unifizz-die-sel-fuel-injector-return-line-rail-kit-2004)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-30*