Honda K24A/K24Z Timing Chain 14401-R40-A01

Honda K24A/K24Z Timing Chain - Genuine OEM (14401-R40-A01)

Hearing a rattle from the front of your K24 on cold startup that fades once it warms up? That's your timing chain telling you it's getting tired, and you don't want to ignore it. Honda 14401-R40-A01 is the genuine timing chain for the K24, the chain that keeps your crank and cams turning in perfect sync so every valve opens and closes exactly when it should. As it stretches over the miles, that timing drifts, you get noise, rough running, and if you push your luck far enough, a chain that finally skips or snaps and bends a bunch of valves. A fresh chain takes all of that off the table.

Wait, Don't Timing Chains Last Forever?

That's the myth, and it's why people get caught off guard by this one. Yeah, a chain lasts way longer than a timing belt, that's the whole point of running one, but "longer" isn't "forever." Every link in that chain wears a tiny bit at each pin over hundreds of thousands of cycles, and all those tiny bits add up to a chain that's physically longer than it started. That stretch is what throws your timing off and what makes the tensioner run out of room to keep things tight. So you start hearing that cold-start rattle, maybe throw a timing-related code, and the engine just doesn't feel as crisp as it used to. On a high-mile K24, that's not a fluke, that's just the chain reaching the end of its run.

Do The Whole Job, Not Just The Chain

Here's where people cut corners and regret it. The chain doesn't work alone, it runs on guides and a tensioner, and those wear right alongside it. Slap a new chain on worn guides and a tired tensioner and you've done half a job, because now your shiny new chain is rattling around on the old parts that were letting it slap in the first place. Since the labor to get in here is the expensive part, do it right: chain, guides, tensioner, all at once. You're already most of the way there, and you do not want to be pulling this front cover back off in a year over a guide you skipped.

Genuine Honda, Because This Isn't The Place To Save

Think about what this chain is responsible for. If it stretches early or a link lets go, you're not looking at a noise anymore, you're looking at bent valves and a cracked-open engine. This is the real Honda chain, built to the exact length, pitch, and material spec your K24 was designed around, so it holds its tension and lasts the way it should. A cheap aftermarket chain that stretches early just drops you right back into this same teardown, except now you've paid the labor twice. When the part is cheap next to the job, you run the one you can trust.

What You Get

• Genuine Honda timing chain (14401-R40-A01) for the K24
• Keeps the crankshaft and camshafts in correct time
• Direct OEM replacement, built to factory length, pitch, and material spec
• Best replaced with the timing chain guides and tensioner
• Sold individually

Fits These Cars

• 2013-2015 Acura ILX
• 2004-2014 Acura TSX
• 2003-2012 Honda Accord (K24)
• 2012-2015 Honda Civic Si
• 2002-2014 Honda CR-V
• 2012-2015 Honda Crosstour
• 2003-2011 Honda Element

Note: Genuine Honda timing chain, part number 14401-R40-A01, for the K24A1, K24A2, K24A4, K24A8, K24Z2, K24Z3, K24Z6, and K24Z7 engines. Keeps the crankshaft and camshafts in correct time, built to factory length, pitch, and material specification. A stretched or worn chain can cause cold-start rattle, timing drift, rough running, and check engine codes, and a failure can cause internal engine damage. Best replaced together with the timing chain guides and tensioner while the timing cover is off. Sold individually. Fits the 2013-2015 Acura ILX, 2004-2014 Acura TSX, 2003-2012 Honda Accord (K24), 2012-2015 Honda Civic Si, 2002-2014 Honda CR-V, 2012-2015 Honda Crosstour, and 2003-2011 Honda Element. One timing chain per order.