Push Rod Tube Seal, 21.3mm. Porsche 914 1970-76  ❭  021109345A

Push Rod Tube Seal, 21.3mm.
The Porsche Push Rod Tube Seal, 21.3mm is a replacement engine sealing component designed to fit around the push rod tube and help prevent engine oil from escaping. Manufactured as a replacement for part reference 021109345A, it is suitable for use when servicing or rebuilding compatible Porsche air-cooled engines.

Fits:

Diagram Ref No 6

Push rod tube seals are exposed to constant engine heat, oil, vibration, and repeated heating and cooling cycles. Over time, the original seal can harden, shrink, flatten, or crack, resulting in oil leaks around the push rod tube. Replacing the seal restores the joint between the tube and engine casing and helps keep the engine clean and properly sealed.  

What This Product Does:

• Seals the connection between the push rod tube and the engine.
• Helps prevent engine oil from leaking around the tube.
• Allows the push rod tube to accommodate normal engine expansion and movement.
• Protects surrounding engine components from oil contamination.
• Helps maintain the correct engine oil level.
• Supports a clean and reliable air-cooled engine installation.
• Provides a replacement for a hardened, damaged, or leaking original seal.

Symptoms Of Wear Or Failure:

• Oil leaking from around the push rod tubes.
• Oil collecting on the underside of the engine.
• Drops or patches of oil beneath the parked vehicle.
• A burning-oil smell while driving.
• Smoke caused by oil reaching hot exhaust components.
• Greasy dirt and debris accumulating around the engine.
• A gradual reduction in the engine oil level.
• A seal that appears hardened, flattened, split, or brittle.
• Oil contamination on nearby hoses, wiring, or engine components.
• Increased oil leakage after the engine reaches operating temperature.

Why Replacement Matters:

• A leaking push rod tube seal may initially appear to be a minor issue, but continued oil loss can create larger maintenance and safety concerns. Escaping oil can spread across the engine, attract dirt, damage nearby rubber components, and make it more difficult to identify other leaks.
• Oil reaching hot exhaust parts may produce unpleasant smells or visible smoke. In more serious cases, significant oil contamination around hot components may increase the risk of fire.

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Related, superseded, cross reference or alternative numbers for comparison.

021109345A

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