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Exhaust valve guide, Outlet. Porsche 914 - 021101417A
021101417A/1
Vehicle Group
- Porsche 914 (1970-1976)
Information
Exhaust valve guide. Outlet, 1st Oversize
This OE Match exhaust valve guide is a precision-engineered replacement valve guide specifically designed for the Porsche 914 (1970–1976) air-cooled engines. This is a first-oversize exhaust guide intended to fit cylinder heads that may have experienced wear or require an oversize fit during an engine rebuild.
Sold individually, 4 required per engine.
Fits:
Porsche 914-1,7/1,8V
Porsche 914-1,8
Diagram ref no 15
This exhaust valve guide ensures that the exhaust valve stem remains centered and aligned as it moves, reducing lateral movement and minimizing wear on both the valve stem and seat. By guiding the valve smoothly and maintaining proper clearances, it helps preserve engine compression, reduces oil consumption, and contributes to efficient exhaust flow and combustion stability. Valve guides also aid in conducting heat away from the valve stem into the cylinder head, helping protect components from excessive thermal stress.
Valve guides are typically sold individually; a complete head rebuild will normally require four exhaust valve guides (one for each exhaust valve).
Function
• Valve Alignment: Keeps the exhaust valve traveling straight for proper valve seat engagement and sealing.
• Wear Control: Reduces lateral valve stem movement that would otherwise accelerate wear on the valve and seat.
• Heat Dissipation: Helps carry heat from the hot exhaust valve stem into the cylinder head.
• Rebuild Support: Oversize fit for cylinder heads that have been reamed or show wear.
Valve guides wear over time due to high heat, friction, and repeated motion. Worn guides can result in:
• Excessive oil entering the combustion chamber
• Poor compression, rough idle or power loss
• Increased valve stem wear Higher oil consumption and visible exhaust smoke
Installing a correct OE Match valve guide restores proper valve stem alignment, improves sealing and performance, and supports a longer engine life especially crucial during a rebuild or head service.
Replace the exhaust valve guide if you notice:
• Blue smoke indicating oil burning
• Low compression in exhaust valve tests
• Rough running or poor idle quality
• Worn valve stems or seats seen during teardown
• During head rebuild or valve seat work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
021101417A
The product you are viewing cross references to these numbers
This OE Match exhaust valve guide is a precision-engineered replacement valve guide specifically designed for the Porsche 914 (1970–1976) air-cooled engines. This is a first-oversize exhaust guide intended to fit cylinder heads that may have experienced wear or require an oversize fit during an engine rebuild.
Sold individually, 4 required per engine.
Fits:
Porsche 914-1,7/1,8V
Porsche 914-1,8
Diagram ref no 15
This exhaust valve guide ensures that the exhaust valve stem remains centered and aligned as it moves, reducing lateral movement and minimizing wear on both the valve stem and seat. By guiding the valve smoothly and maintaining proper clearances, it helps preserve engine compression, reduces oil consumption, and contributes to efficient exhaust flow and combustion stability. Valve guides also aid in conducting heat away from the valve stem into the cylinder head, helping protect components from excessive thermal stress.
Valve guides are typically sold individually; a complete head rebuild will normally require four exhaust valve guides (one for each exhaust valve).
Function
• Valve Alignment: Keeps the exhaust valve traveling straight for proper valve seat engagement and sealing.
• Wear Control: Reduces lateral valve stem movement that would otherwise accelerate wear on the valve and seat.
• Heat Dissipation: Helps carry heat from the hot exhaust valve stem into the cylinder head.
• Rebuild Support: Oversize fit for cylinder heads that have been reamed or show wear.
Valve guides wear over time due to high heat, friction, and repeated motion. Worn guides can result in:
• Excessive oil entering the combustion chamber
• Poor compression, rough idle or power loss
• Increased valve stem wear Higher oil consumption and visible exhaust smoke
Installing a correct OE Match valve guide restores proper valve stem alignment, improves sealing and performance, and supports a longer engine life especially crucial during a rebuild or head service.
Replace the exhaust valve guide if you notice:
• Blue smoke indicating oil burning
• Low compression in exhaust valve tests
• Rough running or poor idle quality
• Worn valve stems or seats seen during teardown
• During head rebuild or valve seat work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
021101417A
021101417A
The product you are viewing cross references to these numbers
Price: €16.32
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Information
Oil stem seal. Price is for each.
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Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510567500
The product you are viewing cross references to these numbers
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Click 'Zoom in' for large parts diagram.
Diagram ref no 10
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Price: €3.51
In stock