Say goodbye to heat soak and vapor lock in your 4.0L Jeep TJ Wrangler or XJ Cherokee with DEI’s Fuel Rail & Injector Cover Kit. Designed specifically for the legendary 4.0L engine, this kit helps restore smooth, consistent fuel delivery by shielding critical components, especially the vulnerable #3 injector, from damaging underhood heat.
At the core is an ultra-resilient 8mm thick thermal barrier, compressed between dual heat-reflective aluminum layers to block and deflect extreme radiant heat. Built for real-world Jeep conditions, the rugged construction stands up to high temps, trail abuse, and daily driving alike.
Each fuel rail and injector cover is crafted from premium high-temperature glass fiber with a reflective aluminum outer skin, keeping fuel system components cooler and operating at peak efficiency.
Installation is quick and secure with integrated hook-and-loop closures
A kit consisting of six Heat Shroud covers, a custom cut fuel rail cover, a manifold shield, and twelve Viton O-rings.
We have come up with a solution for a common heat soak & vapor lock problem in Jeep models with inline 6 engines (1997-2004). DEI's Easy to install heat protection kit reduces heat soak on the fuel rail and injectors, in turn reducing vapor lock and keeping fuel cool. Fits 1997-2004 4.0L Jeep models with inline 6 motor Reduces fuel rail & injector fuel temps Reduces chance of vapor lock Protects injectors & fuel rail from engine heat Kit includes everything you need for a complete job: 1 - Manifold heat shield 1 - Fuel rail heat cover 6 - Fuel injector covers 12 - OE replacement fuel injector O-rings
1997-2004 4.0L Jeep I6 engines
- Our kit includes everything you need for a professional installation:
- Protects Injectors/Fuel Rail From Engine Heat
- 1 Precision-fit manifold heat shield
- 6 Individual fuel injector covers
- 12 Viton fuel injector O-rings
- 1 Fuel rail heat cover
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| Air Freight Prohibited: false |
| Not Carb Approved: false |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: N/A |
| Carb Acknowledgement Required: false |
| Regular Stock: t |
| Units Per Sku: 1 |
