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

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.