HomeIgnition > Secondary IgnitionURO NCA2578BB Spark Plug Tube Seal
Part #: NCA2578BB

URO NCA2578BB Spark Plug Tube Seal

⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jaguar, Vanden Plas, XJ8, XJR, and XK8
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Reliable Spark Plug Tube Seal for Jaguar Models

The URO Spark Plug Tube Seal NCA2578BB is designed to maintain proper sealing and prevent oil leaks in the ignition system of select Jaguar vehicles. This component is essential for preserving engine performance and protecting ignition components from contamination.

  • Compatible with Jaguar Vanden Plas, XJ8, XJR, and XK8 models
  • Part number NCA2578BB ensures precise fitment and quality
  • Durable construction to withstand engine heat and pressure
  • Prevents oil leaks around spark plug tubes
  • Supports optimal ignition system function

Product Details and Compatibility

The URO Spark Plug Tube Seal NCA2578BB is engineered specifically for secondary ignition systems in Jaguar vehicles including the Vanden Plas, XJ8, XJR, and XK8. This seal fits securely around the spark plug tubes to prevent oil from leaking into the ignition area, which can cause misfires or damage to ignition components. Using the correct seal helps maintain engine efficiency and reduces the risk of costly repairs related to ignition system contamination.

Common Applications and Problem Resolution

  • Prevents oil leaks around spark plug tubes
  • Reduces ignition misfires caused by oil contamination
  • Protects ignition coils and spark plugs from damage
  • Maintains engine performance and smooth operation
  • Helps avoid costly ignition system repairs

Installation Notes and Tips

When replacing the spark plug tube seal on Jaguar Vanden Plas, XJ8, XJR, or XK8 models, ensure the engine is cool before beginning work. Carefully remove the old seal to avoid damaging the spark plug tubes or ignition components. Clean the sealing surface thoroughly before installing the new URO NCA2578BB seal to ensure a proper fit and effective sealing. Proper installation will help maintain the integrity of the ignition system and prevent future leaks.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The Spark Plug Tube Seal NCA2578BB undergoes quality control to ensure consistent fit and function. While specific warranty details are not provided, URO products typically come with a limited warranty against defects in materials and workmanship.

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
1998JaguarVanden PlasN/A2 per head, 4 per engine; Spark plug boss to cam cover; Engine Range to 981020000
1998JaguarXJ8N/A2 per head, 4 per engine; Spark plug boss to cam cover; Engine Range to 981020000
1998JaguarXJRN/A2 per head, 4 per engine; Spark plug boss to cam cover; Engine Range to 981020000
1998JaguarXK8N/A2 per head, 4 per engine; Spark plug boss to cam cover; Engine Range to 980324000
1997JaguarXK8N/A2 per head, 4 per engine; Spark plug boss to cam cover

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

225 26028 613NCA2578BBURO-009957

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.