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
Fits
1997 Jeep Cherokee Country
1997 Jeep Cherokee SE
1997 Jeep Cherokee Sport
1997 Jeep Grand Cherokee Laredo
1997 Jeep Grand Cherokee Limited
1997 Jeep Grand Cherokee Orvis
1997 Jeep Grand Cherokee TSi
1997 Jeep Wrangler Sahara
1997 Jeep Wrangler Sport
1998 Jeep Cherokee Classic
1998 Jeep Cherokee Limited
1998 Jeep Cherokee SE
1998 Jeep Cherokee Sport
1998 Jeep Grand Cherokee Laredo
1998 Jeep Grand Cherokee Limited
1998 Jeep Grand Cherokee TSi
1998 Jeep Wrangler Sahara
1998 Jeep Wrangler Sport
1999 Jeep Cherokee Classic
1999 Jeep Cherokee Limited
1999 Jeep Cherokee SE
1999 Jeep Cherokee Sport
1999 Jeep Grand Cherokee Laredo
1999 Jeep Grand Cherokee Limited
1999 Jeep Wrangler Sahara
1999 Jeep Wrangler Sport
2000 Jeep Cherokee Classic
2000 Jeep Cherokee Limited
2000 Jeep Cherokee SE
2000 Jeep Cherokee Sport
2000 Jeep Grand Cherokee Laredo
2000 Jeep Grand Cherokee Limited
2000 Jeep Wrangler Sahara
2000 Jeep Wrangler Sport
2001 Jeep Cherokee Classic
2001 Jeep Cherokee Limited
2001 Jeep Cherokee SE
2001 Jeep Cherokee Sport
2001 Jeep Grand Cherokee Laredo
2001 Jeep Grand Cherokee Limited
2001 Jeep Wrangler Sahara
2001 Jeep Wrangler Sport
2002 Jeep Grand Cherokee Laredo
2002 Jeep Grand Cherokee Limited
2002 Jeep Grand Cherokee Sport
2002 Jeep Wrangler Sahara
2002 Jeep Wrangler Sport
2002 Jeep Wrangler X
2003 Jeep Grand Cherokee Laredo
2003 Jeep Grand Cherokee Limited
2003 Jeep Wrangler Rubicon
2003 Jeep Wrangler Sahara
2003 Jeep Wrangler Sport
2003 Jeep Wrangler X
2004 Jeep Grand Cherokee Laredo
2004 Jeep Grand Cherokee Limited
2004 Jeep Grand Cherokee Special Edition
2004 Jeep Wrangler Rubicon
2004 Jeep Wrangler Sahara
2004 Jeep Wrangler Sport
2004 Jeep Wrangler Unlimited
2004 Jeep Wrangler X


























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