







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



| 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 | 
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