Honda Engine/Transmission 12x20 Dowel Pin 94301-12200

Honda Engine/Transmission 12x20 Dowel Pin - 94301-12200

Doing a head gasket job, engine rebuild, or transmission swap and you need the alignment dowel pins? Part number 94301-12200. This is the OEM dowel pin that locates your cylinder head to the block, your transmission case halves, and your transmission to the engine. It's a precision-ground steel pin that presses into the block or case and keeps everything lined up when you're bolting it together. Without it or if you reuse a worn pin that's loose, your parts don't align right. You're getting leaks at gasket surfaces, bearing misalignment, or the case won't close flush. Fresh dowel pins keep everything where it's supposed to be.

Here's Why Dowel Pins Matter

Dowel pins do one job: they locate heavy components so they sit in exactly the right spot when you bolt them down. Your cylinder head's got to align perfectly with the block so the head gasket seals and your valves line up with the pistons. Your transmission case halves need to be aligned so the bearings and shafts sit concentric. Your transmission needs to mate up square with the engine so the input shaft doesn't bind in the pilot bearing. The dowel pins handle all that alignment. Bolts don't locate parts - they just clamp them. The pins locate, the bolts clamp. If your pins are worn, bent, or missing, your parts'll shift when you torque the bolts down. You're getting leaks you can't fix, weird bearing noise, or parts that don't fit right no matter how hard you try.

Replace Them During Engine or Transmission Work

If you're pulling your head off for a head gasket job, check the dowel pins in the block. If they're loose, bent, or damaged, replace them. If you're splitting your transmission case for a rebuild, replace the dowel pins. If you're dropping your transmission to do a clutch or pulling the engine for a swap, check the transmission-to-engine dowel pins. They're cheap and they're critical for proper alignment. Don't reuse old pins that've been in there for 20+ years getting hammered by bolts being torqued down hundreds of times. Fresh pins press in tight and locate your parts properly.

Precision Ground for Proper Fit

The OEM dowel pin's precision ground to 12mm x 20mm. It's not a hardware store roll pin or a random dowel you found in your toolbox. It's the exact diameter to press into the dowel pin holes in your block or case without being too loose or too tight. Too loose and it doesn't locate anything. Too tight and you'll damage the aluminum case trying to press it in. The OEM pin fits right and does its job. Don't cheap out on alignment pins and wonder why your head gasket's leaking or your transmission case won't seal.

What You Get

• Honda OEM engine/transmission dowel pin (part number 94301-12200)
• 12mm x 20mm dimensions
• Precision ground steel construction
• Locates cylinder head to block
• Locates transmission case halves
• Locates transmission to engine block
• Same dowel pin your engine came with from the factory

Fits Your Car

• 1997-1999 Acura CL
• 2016-2022 Acura ILX
• 1986-1989 Acura Integra
• 1994-2001 Acura Integra GS-R/Type R
• 2015-2020 Acura TLX
• 1976-1983 Honda Accord
• 1990-2002 Honda Accord (4-cylinder)
• 1975-1983 Honda Civic
• 1985-1991 Honda Civic 5 Door 4WD
• 2011-2016 Honda CR-Z
• 1988-1991 Honda CRX Si
• 2007-2015 Honda Fit
• 2000-2022 Honda Insight
• 1995-1998 Honda Odyssey
• 1979-2001 Honda Prelude
• 2000-2009 Honda S2000

Note: Dowel pins are used in multiple locations on your engine and transmission. Check how many you need for your specific job. Cylinder head to block typically uses two dowel pins. Transmission case halves use multiple pins depending on the transmission. Transmission to engine uses two dowel pins in the block. When you're installing dowel pins, press them in using a socket or drift that matches the pin diameter. Don't hammer them in crooked or you'll damage the holes. Press them in square until they're flush or slightly below the surface. If you're removing old pins, use a slide hammer or pin puller. Don't try to pry them out with a screwdriver or you'll damage the aluminum. If a pin's stuck, drill it out carefully and clean the hole. Make sure the dowel pin holes are clean before you press new pins in. Any dirt or old RTV in the hole will prevent the pin from seating properly. When you're doing a head gasket job, transmission rebuild, or engine swap, throw these dowel pins on your parts list. They're cheap insurance against leaks and misalignment. Don't skip them and find out your head gasket's leaking or your transmission case is weeping fluid because the parts didn't align right.