Honda S2000/K Series Crankshaft Thrust Washer 13331-PCX-003

Honda S2000/K Series Crankshaft Thrust Washer - 13331-PCX-003

You're rebuilding your S2000, K series, or R18 engine and the thrust washers look rough or you're hearing a clunking noise when you push the clutch in? Part number 13331-PCX-003 is the OEM crankshaft thrust washer. These washers sit between your crankshaft and the engine block to stop the crank from sliding forward and backward. When they wear out or fail, your crankshaft's got way too much end play. It's moving around where it shouldn't be and you're destroying main bearing caps, scoring the block, and potentially bending or snapping connecting rods. Fresh thrust washers keep your crank locked in position and prevent your engine from eating itself.

Here's What They Do and Why They Matter

Your crankshaft spins in the block, and the main bearings keep it from moving up and down. But the crank also wants to move forward and backward along its length. That's axial movement, and it needs to be controlled. Thrust washers are the parts that do it. They sit on either side of one of your main bearings and create a wear surface for the crank to push against. When you step on the clutch pedal in a manual transmission car, you're shoving the crank forward. The thrust washer absorbs that force and stops the crank from sliding into your timing chain. When you let the clutch out and get on the gas, forces push the crank backward. The washer on the other side stops it. The washers keep your crankshaft end play within spec, usually just a few thousandths of an inch. That tiny bit of controlled movement is normal. Too much movement and your engine's destroying itself from the inside out.

They Wear Out and They Can Fail Hard

Thrust washers are soft material, usually aluminum or bronze. Your crankshaft's hardened steel. Every clutch engagement, every time you accelerate or slow down, the soft washer's rubbing against hardened steel and absorbing loads. Eventually it wears. High mileage engines around 150k+ can have worn thrust washers just from normal driving. When they're worn, you've got excessive end play. You'll hear clunking from the front of the motor when you push the clutch in. If you grab the crank pulley and pry it forward and backward, it moves way more than it should. That's too much end play. The washers can also fail catastrophically if you overload them. Bad clutch install, bent release fork, aftermarket pressure plate that's not right, or boosting an engine that's not built for it can hammer the thrust washers until they give up. When they completely fail, your crank's sliding around freely. It wipes out the main caps, scores the block, and bends or breaks rods. Game over.

Sold One at a Time, You Need Two

These washers are sold individually. Most engines use two of them, one on each side of the thrust bearing. When you're tearing your engine down, count how many you pull out and order that many fresh ones. If you're doing a rebuild, don't look at the old washers and think "eh, they're okay." Replace them. They're a few bucks each and they prevent catastrophic failures. If you're building a turbo motor or running a heavy-duty clutch, fresh thrust washers aren't optional. You're putting way more load on them than stock and reusing worn washers is asking for problems. Don't find out you've got end play issues after the engine's back together and running.

What You Get

• Honda OEM crankshaft thrust washer (part number 13331-PCX-003)
• Controls crankshaft forward and backward movement
• Prevents excessive crankshaft end play
• Sold individually (most engines need two)
• Same washer your engine came with from the factory

Fits Your Car

• 2013-2015 Acura ILX
• 2007-2012 Acura RDX
• 2002-2006 Acura RSX Base/Type S
• 2004-2014 Acura TSX
• 2003-2012 Honda Accord
• 2002-2015 Honda Civic Si
• 2006-2015 Honda Civic DX/EX/LX
• 2002-2014 Honda CR-V
• 2012-2015 Honda Crosstour
• 2003-2011 Honda Element
• 2016-2022 Honda HR-V
• 2000-2009 Honda S2000

Compatible Engines

• F20C (2000-2003 S2000)
• F22C (2004-2009 S2000)
• K20A2 (2002-2004 RSX Type S)
• K20A3 (2002-2006 RSX Base, 2002-2005 Civic Si EP3)
• K20Z1 (2005-2006 RSX Type S)
• K20Z3 (2006-2011 Civic Si)
• K23A1 (2007-2012 RDX turbo)
• K24A1 (2002-2006 CR-V)
• K24A2 (2004-2008 TSX)
• K24A4 (2003-2007 Accord, 2003-2006 Element)
• K24A8 (2007-2011 Element, 2007-2009 CR-V)
• K24Z1 (2010-2014 CR-V)
• K24Z2 (2008-2012 Accord)
• K24Z3 (2009-2014 TSX, 2012-2015 Civic Si)
• K24Z7 (2013-2015 ILX)
• R18A (2006-2015 Civic DX/EX/LX, 2016-2022 HR-V)

Note: Sold individually. Most engines use two washers. Check your service manual for how many your engine needs and where they go. When you're installing them, pay attention to orientation. The oil grooves on the washer need to face the crankshaft so oil can get between the washer and the crank. Clean the thrust surfaces on the block and crank before you install the new washers. Any dirt or metal shavings will chew up the fresh washers immediately. After the engine's back together, measure your crankshaft end play with a dial indicator on the crank pulley. Pry the crank forward and backward and check the reading. End play should be around 0.004 to 0.012 inches depending on your engine. Check your service manual for the exact spec. If you've got too much end play, the washers aren't seated right or something's wrong. If you've got zero end play or it's binding, the washers are installed wrong or you're using the wrong ones. If you're building a boosted engine or you've got an aggressive clutch setup, measure the old washers when you tear the engine down. If they're worn thin or damaged, that's telling you something about the loads you're putting on them. Upgrade to quality OEM washers and make sure your clutch components are installed correctly. A bent release fork or improperly spaced clutch assembly will destroy fresh thrust washers in no time.