Honda K20Z3/K24A2/A4/A8 Camshaft Position Sensor 37510-RAA-A01

Genuine Honda Camshaft Position Sensor (37510-RAA-A01) - K20Z3 & K24A

When a camshaft position sensor starts going, your car will tell you in frustrating ways. Hard starts, a stumble at idle, hesitation under throttle, sometimes a stall that comes out of nowhere, and usually a check engine light to go with it. The ECU relies on this sensor to know exactly where your camshafts are so it can time fuel and spark correctly, and when the signal gets flaky the whole thing goes sideways. This is the genuine Honda replacement, part number 37510-RAA-A01, for K20Z3 and K24A engines.

You Need Two Of These

Important detail before you check out. These engines are DOHC, so there's a camshaft position sensor on each cam, intake and exhaust, and this sensor is sold individually. That means two are required for a complete set on your engine.

If you've pulled a code that points to one specific sensor, you can absolutely buy one and fix it. But if your car has real miles on it and one has failed, the other has lived under the same heat for the same number of years and it's usually not far behind. Plenty of people grab both and be done with it, since you're already in there and the second one is cheap insurance against doing this job twice.

What A Failing Sensor Feels Like

Worth knowing the symptoms, because they get blamed on all kinds of other things. A cam sensor going bad typically shows up as extended cranking before the engine catches, a rough or hunting idle, hesitation or a stumble when you accelerate, and in worse cases an intermittent stall. You'll often get a P0340 or P0365 code, or a related cam position circuit code, which is what points you here in the first place. The maddening part is that a marginal sensor works fine sometimes and not others, so the problem comes and goes and never quite reproduces when you want it to.

Why Genuine Honda Matters Here

Position sensors are a spot where cheap aftermarket parts genuinely bite people. This sensor has to read accurately and consistently through heat cycles and years of vibration, and a marginal one gives you an intermittent fault that's miserable to diagnose because it isn't consistently broken. That's worse than an outright failure. This is the exact sensor Honda spec'd for these engines, so it reads correctly and holds up, and you're not back under the hood chasing the same symptom in six months.

Fits Your K-Series

This camshaft position sensor fits the K20Z3, K24A2, K24A4, and K24A8:

It also covers these engines in swaps. If you're running a K20Z3, K24A2, K24A4, or K24A8, this is the correct sensor for it.

Who Should Grab This Sensor

This is for anyone chasing a hard start, a rough idle, or a cam position code on a K-series, and anyone refreshing sensors on a high-mileage engine or a swap build. It's an inexpensive part doing a job the engine can't run properly without, and it's exactly the kind of thing worth doing with the genuine Honda piece. Grab one or grab both, get them in, and get the car running right again.

Fits: Honda K20Z3, K24A2, K24A4, and K24A8, in the 2004-2008 Acura TSX, 2003-2007 Honda Accord, 2006-2011 Honda Civic Si, and 2003-2011 Honda Element, plus swaps. Part number: 37510-RAA-A01. Type: genuine Honda camshaft position sensor. Quantity: sold individually, two required per engine (DOHC, one per camshaft).