BMW Electrical Sensors, Switches, & Relays for BMW 3 Series E46 (1999-2005)

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Electrical gremlins can be very frustrating. Luckily your BMW's electrical system is better than most, even if it's 25 years old. Here you will find electrical relays, sensors, switches, and modules for the engine, camshaft, and crankshaft. Our parts are OEM, Genuine BMW, or approved aftermarket brands that we have an excellent track record with. There is no middle ground with electrical parts - it either works perfectly or not. And there's nothing more frustrating than a new part that fails right out of the box. So it's important to choose quality replacement parts over a cheap but faulty piece.

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Crankshaft Sensor O-Ring (18 X 1.2 Mm)

T#:13233505

Part#: 12141402705

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$ 1.49

This product was last offered at the strikethrough price on
08-26-2026

$ 1.28 USD

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$ 1.28 USD

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This O-Ring can sometimes leak at the bottom of your engine and need to be replaced. Fits around the head of the lower crankshaft sensor and provides a connection point.

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BMW Electrical Sensors, Switches, & Relays for BMW 3 Series E46 (1999-2005)

Crankshaft Sensor O-Ring (18 X 1.2 Mm)

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