Keep fuel injection and ignition timing in sync with the NTK Engine Camshaft Position Sensor EC0321. This camshaft position sensor drops in as a direct-fit replacement across a broad GM lineup, including the 2005-2007 Buick Rainier, 2009-2016 Cadillac CTS, 2007-2016 Cadillac Escalade, 2010-2016 Chevrolet Camaro, 2005-2013 Chevrolet Corvette, 2007-2016 Chevrolet Silverado 1500, and 2007-2016 Chevrolet Tahoe — with 83 applications in all, so see the Buyer's Guide tab for the full list.
- Reads camshaft position: reports the camshaft's rotational position to the PCM so it can time fuel injection and spark accurately.
- Direct-fit replacement: designed to install on the listed applications.
- Signs it may need replacing: hard starting, stalling, misfires, or an illuminated check engine light with a camshaft-position-related trouble code — diagnose the cause before replacing.
If a failed camshaft position sensor is the cause of your no-start, rough-running, or a stored camshaft-position code, the EC0321 replaces it. Confirm your vehicle in the Buyer's Guide before ordering.
Interchange: 213-1586 · 2131586 · 213-3529 · 2133529 · 213-3826 · 2133826 · CSS1620 · 917-744 · 917744 · CSS1120 · 12568983 · 12585545 · 12591720 · 12598983 · 2CAM0449 · 8-12568-983-0 · 8125689830 · 8-12585-545-0 · 8125855450 · 8-12591-720-0 · 8125917200 · PC620 · 235-1234 · 2351234 · Manufacturer part number EC0321.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the camshaft position sensor do?
It monitors the camshaft's rotational position and sends that signal to the PCM, which uses it to time fuel injection and ignition. Accurate camshaft data helps the engine run as intended.
Will the EC0321 fit my vehicle?
It's cataloged for 83 GM applications, including many Cadillac, Chevrolet, GMC, Buick, Hummer, Pontiac, Isuzu, and Saab models. Check the Buyer's Guide tab to confirm your exact year, make, and model.
What are signs of a failing camshaft position sensor?
Common signs include hard starting, stalling, misfires, or a check engine light with a camshaft-position trouble code. These symptoms can have other causes, so diagnose before replacing.
Is this a direct-fit replacement?
Yes. The EC0321 is cataloged as a direct-fit replacement for the listed applications. Verify your vehicle in the Buyer's Guide before ordering.
What part numbers does this sensor interchange with?
It replaces numbers including 213-1586, 213-3529, 213-3826, CSS1620, 917-744, CSS1120, 12568983, 12585545, 12591720, 12598983, 2CAM0449, PC620, and 235-1234.
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