914Rubber ECU Idle Adjustment Screw Rubber Cap for Porsche 914 (All Years)

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914Rubber ECU Idle Adjustment Screw Rubber Cap for Porsche 914 (All Years)

The 914Rubber ECU Idle Adjustment Screw Rubber Cap is a small but important detail that helps preserve the integrity of your Porsche 914’s D-Jetronic fuel injection system. Designed to fit snugly over the idle mixture adjustment screw on the ECU, this cap protects the screw from dirt, moisture, and corrosion—ensuring stable long-term performance.

Made from fuel- and heat-resistant rubber, this cap is built to OEM standards and replicates the look and function of the original. Whether you’re doing a concours-level restoration or simply sealing off an exposed ECU screw, this part helps safeguard the tuning integrity of your injection system.

Key Features:

  • Fits all Porsche 914 models equipped with D-Jetronic ECU

  • Seals and protects the idle mixture adjustment screw

  • Prevents dirt, oxidation, and tampering

  • Made from durable, fuel- and heat-resistant rubber

  • Restores a clean, factory-correct engine bay look

Fitment Notes:
Works with all 914 D-Jet ECU units. A correct finishing touch for both driver builds and full restorations.

PMB Performance and 914Rubber have been working side-by-side for nearly 20 years, offering the most complete line of 914 restoration parts available anywhere.