---
product_id: 36171529
title: "DESIGN ENGINEERING Fuel Rail & Injector Cover Kit for Jeep (1997-2004, 4.0L Engine) - Our Accessories Reduce Vapor Lock & Keep Fuel Injectors & Rails Cooler"
brand: "design engineering"
price: "€ 132.91"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/36171529-design-engineering-fuel-rail-and-injector-cover-kit-for-jeep
store_origin: FI
region: Finland
---

# Blocks radiant heat Keeps fuel cooler Complete install kit DESIGN ENGINEERING Fuel Rail & Injector Cover Kit for Jeep (1997-2004, 4.0L Engine) - Our Accessories Reduce Vapor Lock & Keep Fuel Injectors & Rails Cooler

**Brand:** design engineering
**Price:** € 132.91
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your Jeep cool, your fuel cooler, and your ride unstoppable!

## Quick Answers

- **What is this?** DESIGN ENGINEERING Fuel Rail & Injector Cover Kit for Jeep (1997-2004, 4.0L Engine) - Our Accessories Reduce Vapor Lock & Keep Fuel Injectors & Rails Cooler by design engineering
- **How much does it cost?** € 132.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/36171529-design-engineering-fuel-rail-and-injector-cover-kit-for-jeep)

## Best For

- design engineering enthusiasts

## Why This Product

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

## Key Features

- • **Ultimate Heat Defense:** Dual-sided aluminum barrier with high-temp insulation slashes heat soak and vapor lock risks.
- • **Boost Engine Reliability:** Keep fuel injectors cooler to prevent vapor lock and maintain peak engine performance.
- • **All-in-One Installation Kit:** Includes manifold shield, fuel rail cover, injector covers, and OE O-rings for a seamless upgrade.
- • **Precision Fit for Jeep 4.0L:** Tailored specifically for 1997-2004 Jeep inline 6 engines—no guesswork, just perfect protection.
- • **DIY Friendly Hook & Loop Design:** Install like a pro in your own garage—no specialized tools or shop needed.

## Overview

The Design Engineering Fuel Rail & Injector Cover Kit is a high-performance thermal barrier system designed for Jeep 4.0L inline 6 engines (1997-2004). Featuring a dual-sided aluminum heat shield with high-temp insulation, it effectively reduces heat soak and vapor lock by protecting fuel rails and injectors from radiant engine heat. The complete kit includes all necessary covers and OE replacement O-rings, engineered for easy DIY installation with a hook and loop design, ensuring enhanced engine reliability and fuel efficiency.

## Description

DESIGN ENGINEERING Fuel Rail & Injector Cover Kit for Jeep (1997-2004, 4.0L Engine) - Our Accessories Reduce Vapor Lock & Keep Fuel Injectors & Rails Cooler

## Features

- ✔️ HEAT SOAK & VAPOR LOCK SOLUTION: When fuel vaporizes in the fuel line air pockets can form and cause your engine to shut down. Our kits block radiant heat from being absorbed by using a strong highly reflective heat shield material.
- ✔️ TOP QUALITY FUEL RAIL & INJECTOR COVERS: Our high-quality fuel rail and injector covers are built for the prevention of heat absorption. These highly reflective covers are made from high temperature glass fiber backed barrier with an aluminum skin.
- ✔️ HIGH PERFORMANCE MANIFOLD COVER: This highly reflective heat shield is excellent at blocking extra heat from soaking into the fuel rail. The cover is made from a dual sided aluminum barrier with a high temp insulation sandwiched between to provide the ultimate automotive heat barrier.
- ✔️ COMPLETE SET: This system comes with all the right heat shield pieces needed to protect your Jeep from heat transfer. Each box contains 1 - Manifold heat shield, 1 - Fuel rail heat cover, 6 - Fuel injector covers, and 12 - OE replacement fuel injector O-rings.
- ✔️ EASY INSTALLATION: The unit contains all the parts needed for a successful and professional installation in your own shop or garage with our unique hook and loop design. Protect your ride by giving it the thermal heat saving treatment rebuild it deserves today.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Design Engineering |
| Color | Silver |
| Material | Aluminum |
| Exterior Finish | Design Engineering Fuel Rail & Injector Cover Kit |
| Item dimensions L x W x H | 6.25 x 1.88 x 15.38 inches |
| Vehicle Service Type | 1997-2004 4.0L Jeep models with inline 6 motor |
| Style | Modern |
| Item Weight | 9.6 ounces |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 010378 |
| Manufacturer | Design Engineering, Inc. |
| UPC | 607078103789 |
| Global Trade Identification Number | 00607078103789 |
| Model | 010378 |
| Product Dimensions | 6.25 x 1.88 x 15.38 inches |
| Item model number | 10378 |
| Manufacturer Part Number | 10378 |
| Special Features | Reduces fuel rail & injector fuel temps |

## Product Details

- **Brand:** Design Engineering
- **Color:** Silver
- **Material:** Aluminum
- **Exterior Finish:** Design Engineering Fuel Rail & Injector Cover Kit
- **Item dimensions L x W x H:** 6.25 x 1.88 x 15.38 inches

## Images

![DESIGN ENGINEERING Fuel Rail & Injector Cover Kit for Jeep (1997-2004, 4.0L Engine) - Our Accessories Reduce Vapor Lock & Keep Fuel Injectors & Rails Cooler - Image 1](https://m.media-amazon.com/images/I/61tOmPXT8PL.jpg)

## Questions & Answers

**Q: Why does it say this doesn’t work on 02 wrangler 4.0?**
A: Not sure, but I can tell you it works on a 99 Grand Cherokee 4.0 and an 03 Grand Cherokee 4.0. Not sure what the differences between the wrangler and Grand Cherokee 4.0’s are

**Q: Does it fit a 2003 TJ wrangler ?**
A: This Jeep Fuel Rail kit is meant for any Jeep with a 4.0L inline 6 cylinder engine, '97 - '04. This will also work for mater model 4.0L inline 6cyl engine with some modification to the fuel rail sleeve.

**Q: Is there any reason why this shield/kit would not fit a 1996 Cherokee XJ 4.0?**
A: If the intakes and fuel rail look the same, it'll likely fit.. There have been small changes in the intake manifold over the years that could make the flat shield not fit..

**Q: Will this fit an 82 cj7 4.2 that has mopar mpi installed? it is based on the wrangler 4.0 mpi set up.**
A: Can’t speak specifically to that motor, but this set fits the 99-03 4.0 in the Grand Cherokee for sure and I’m sure the same years of Wrangler.

## Frequently Bought Together

- DESIGN ENGINEERING Fuel Rail & Injector Cover Kit for Jeep (1997-2004, 4.0L Engine) - Our Accessories Reduce Vapor Lock & Keep Fuel Injectors & Rails Cooler
- XDF 53013360AA PCV CCV VENT VALVE ELBOW & GROMMET SET PCV CCV 2x Vent Valve Elbows and 2x Grommets compatible for Jeep Grand Cherokee 4.0L 2000 2001 2002 2003 2004
- PQY Throttle Body Spacer Compatible with 91-06 Jeep Wrangler TJ YJ LJ Cherokee XJ 2.5L/4.0L Engine Gas MJ w/Gasket 1" Raise Manifold Carb Red

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fi/products/36171529-design-engineering-fuel-rail-and-injector-cover-kit-for-jeep](https://www.desertcart.fi/products/36171529-design-engineering-fuel-rail-and-injector-cover-kit-for-jeep)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-27*