1958-1979 Woodruff Key for Generator Alternator Pulley 3x5x12mm N127051 - OEM Number(s) (N127051)
Prevent pulley slippage and costly alternator or generator damage.
A missing or worn Woodruff Key can quickly lead to pulley misalignment, slippage, and severe damage to your alternator, generator, or pulley itself. This reproduction key is machined to exact factory dimensions for a direct fit. Small but essential, it ensures the pulley and fan spin securely with the shaft, keeping your VW reliable.
Fits the Following Volkswagen Models:
Material/Finish
Dimensions
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1/2" (12mm) length
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3/16" (5mm) height
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1/8" (3mm) width
Features/Benefits
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VW reference part number N127051
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Aligns pulley and fan with generator/alternator shaft
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Prevents slippage and protects from costly damage
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Precisely machined for factory-correct fit
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Commonly lost due to small size—keep spares on hand
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Sold individually, 1 required per Volkswagen
Because Details Matter
It’s one of the smallest parts on your VW, but its job is critical. The Woodruff Key locks pulley to shaft, allowing smooth, synchronized rotation. Without it, your charging system is at risk. Trust the correct replacement to keep your Volkswagen turning true—because details matter.
Also known under these part numbers: (For reference only)
- 707924249576
- 98-0111-B
- N127051