Oil Filler Cap. Porsche 928  ❭  92819971003

Oil Filler Cap with Seal

High-quality replacement oil filler cap designed for Porsche 928 models with the rotary knob made of anodized aluminum. 

This cap seals the engine oil filler neck, preventing oil leaks and contamination while maintaining correct pressure within the engine. A secure and properly functioning oil cap is essential for protecting engine components and ensuring efficient lubrication.

Fits:

• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86

Diagram ref no 25

Manufactured to OEM specifications, this oil filler cap offers precise fitment and durability, making it ideal for routine maintenance, repair, or restoration of Porsche 928 engines.

Key Features

• Direct replacement oil filler cap
• Suitable for Porsche 928 models
• Ensures secure sealing of the oil system
• Prevents oil leaks and contamination
• OEM-style fit and finish
• Durable construction for long-term reliability

Function and Purpose

This oil filler cap is a critical component of the engine lubrication system.

It helps to:

• Seal the oil filler opening securely
• Prevent oil leakage during operation
• Protect engine oil from contaminants
• Maintain proper crankcase pressure

Why Replace Your Oil Filler Cap

Over time, oil caps can wear or degrade.

Common issues include:

• Cracked or worn seals
• Oil leaks around the filler neck
• Loose or damaged cap threads
• Contamination entering the engine

Replacing the cap ensures proper sealing and engine protection.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92819971003

The product you are viewing cross references to these numbers