DEI Fuel Rail and Injector Cover Kit for the 1997-2004 Jeep 4.0L (TJ Wrangler, XJ Cherokee, WJ Grand Cherokee), built to stop heat soak and vapor lock by shielding the fuel rail and injectors — especially the heat-prone #3 injector — from under-hood heat. Each cover is high-temperature glass fiber with a reflective aluminum outer skin over an 8mm thermal barrier between dual reflective aluminum layers, secured with integrated hook-and-loop closures.
| Type | Fuel rail and injector cover kit |
| Material | High-temp glass fiber + reflective aluminum, 8mm barrier |
| Includes | 1 manifold shield, 1 fuel rail cover, 6 injector covers, 12 Viton O-rings |
| Application | 1997-2004 Jeep 4.0L (direct fit) |
| Part Number | 10378 |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2001 | Jeep | Cherokee | Classic |
| 1997 | Jeep | Cherokee | Country |
| 1998-2001 | Jeep | Cherokee | Limited |
| 1997-2001 | Jeep | Cherokee | SE |
| 1997-2001 | Jeep | Cherokee | Sport |
| 1997-2004 | Jeep | Grand Cherokee | Laredo |
| 1997-2004 | Jeep | Grand Cherokee | Limited |
| 1997 | Jeep | Grand Cherokee | Orvis |
| 2004 | Jeep | Grand Cherokee | Special Edition |
| 2002 | Jeep | Grand Cherokee | Sport |
| 1997-1998 | Jeep | Grand Cherokee | TSi |
| 2003-2004 | Jeep | Wrangler | Rubicon |
| 1997-2004 | Jeep | Wrangler | Sahara |
| 1997-2004 | Jeep | Wrangler | Sport |
| 2004 | Jeep | Wrangler | Unlimited |
| 2002-2004 | Jeep | Wrangler | X |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
