Interstate Rear Caliper

[jmint]

Is there any reason why the rear caliper on the interstates is different than all the other trim levels?  I have recently pulled the caliper and rebuilt it.  Been waiting nearly a month for the rear pistons to arrive, and the only ones I could find were OEM.  I bought 3 sets of the Redeye pistons, but I didn't read and they only fit the front on the interstate.

Just wondering if it's possible or if there's something else engineering-wise going on that the caliper would be different.  If I can, my future plans would be to swap the caliper to a more common caliper so the pistons are easier to get my hands on.

[Chrisj CMA]

I believe they have smaller pistons to help increase braking power because interstates are heavier

[Hook#3287]

I believe they have smaller pistons to help increase braking power because interstates are heavier

I think the difference may be in height or length, so not interchangeable unless the part #'s are the same.

Pretty sure all Valk caliper cylinders are the same O.D 

[Dusty]

 The pistons used on the Interstate rear caliper are used on Honda motorcycles from 1988 to 2019.  I found the local motorcycle  salvage shop had   as new ones for $ 8.00 each.  I bought a couple of extras for that price.

Dusty

[Savage]

The pistons used on the Interstate rear caliper are used on Honda motorcycles from 1988 to 2019.  I found the local motorcycle  salvage shop had   as new ones for $ 8.00 each.  I bought a couple of extras for that price.

Dusty

Do you have a cross-reference part number?

[Dusty]

The pistons used on the Interstate rear caliper are used on Honda motorcycles from 1988 to 2019.  I found the local motorcycle  salvage shop had   as new ones for $ 8.00 each.  I bought a couple of extras for that price.

Dusty

Do you have a cross-reference part number?

Original part number was 45107-KCW-880 and new number is 45107-MN5-006 and  used on the following bikes.





Parts Search Results


Assemblies where 45107-KCW-880 is used
1999 GL1500CF A - REAR BRAKE CALIPER
1999 GL1500CF AC - REAR BRAKE CALIPER
2000 GL1500CF A - REAR BRAKE CALIPER
2000 GL1500CF AC - REAR BRAKE CALIPER
2001 GL1500CF A - REAR BRAKE CALIPER
2001 GL1500CF AC - REAR BRAKE CALIPER
1988 GL1500 A - FRONT BRAKE CALIPER
1988 GL1500 AC - FRONT BRAKE CALIPER
1989 GL1500 A - FRONT BRAKE CALIPER
1989 GL1500 AC - FRONT BRAKE CALIPER
1990 GL1500 A - FRONT BRAKE CALIPER
1990 GL1500 AC - FRONT BRAKE CALIPER
1990 GL1500SE A - FRONT BRAKE CALIPER
1990 GL1500SE AC - FRONT BRAKE CALIPER
1990 VFR750F A - FRONT BRAKE CALIPER
1990 VFR750F AC - FRONT BRAKE CALIPER
1990 VFR750R A - REAR BRAKE CALIPER
1990 VFR750R AC - REAR BRAKE CALIPER
1991 CBR600F2 A - FRONT BRAKE CALIPER
1991 CBR600F2 AC - FRONT BRAKE CALIPER
1991 GL1500A A - FRONT BRAKE CALIPER
1991 GL1500A AC - FRONT BRAKE CALIPER
1991 GL1500I A - FRONT BRAKE CALIPER
1991 GL1500I AC - FRONT BRAKE CALIPER
1991 GL1500SE A - FRONT BRAKE CALIPER
1991 GL1500SE AC - FRONT BRAKE CALIPER
1991 VFR750F A - FRONT BRAKE CALIPER
1991 VFR750F AC - FRONT BRAKE CALIPER
1992 CBR600F2 A - FRONT BRAKE CALIPER
1992 CBR600F2 AC - FRONT BRAKE CALIPER
1992 GL1500A A - FRONT BRAKE CALIPER
1992 GL1500A AC - FRONT BRAKE CALIPER
1992 GL1500I A - FRONT BRAKE CALIPER
1992 GL1500I AC - FRONT BRAKE CALIPER
1992 GL1500SE A - FRONT BRAKE CALIPER
1992 GL1500SE AC - FRONT BRAKE CALIPER
1992 VFR750F A - FRONT BRAKE CALIPER
1992 VFR750F AC - FRONT BRAKE CALIPER
1993 CBR600F2 A - FRONT BRAKE CALIPER
1993 CBR600F2 AC - FRONT BRAKE CALIPER
1993 GL1500A A - FRONT BRAKE CALIPER
1993 GL1500A AC - FRONT BRAKE CALIPER
1993 GL1500I A - FRONT BRAKE CALIPER
1993 GL1500I AC - FRONT BRAKE CALIPER
1993 GL1500SE A - FRONT BRAKE CALIPER
1993 GL1500SE AC - FRONT BRAKE CALIPER
1993 VFR750F A - FRONT BRAKE CALIPER
1993 VFR750F AC - FRONT BRAKE CALIPER
1994 CBR600F2 A - FRONT BRAKE CALIPER
1994 CBR600F2 AC - FRONT BRAKE CALIPER
1994 GL1500A A - FRONT BRAKE CALIPER
1994 GL1500A AC - FRONT BRAKE CALIPER
1994 GL1500I A - FRONT BRAKE CALIPER
1994 GL1500I AC - FRONT BRAKE CALIPER
1994 GL1500SE A - FRONT BRAKE CALIPER
1994 GL1500SE AC - FRONT BRAKE CALIPER
1994 RVF750R A - REAR BRAKE CALIPER
1994 VF750C A - FRONT BRAKE CALIPER
1994 VF750C AC - FRONT BRAKE CALIPER
1994 VFR750F A - FRONT BRAKE CALIPER
1994 VFR750F AC - FRONT BRAKE CALIPER
1995 CBR600F3 A - FRONT BRAKE CALIPER
1995 CBR600F3 AC - FRONT BRAKE CALIPER
1995 GL1500A A - FRONT BRAKE CALIPER
1995 GL1500A AC - FRONT BRAKE CALIPER
1995 GL1500I A - FRONT BRAKE CALIPER
1995 GL1500I AC - FRONT BRAKE CALIPER
1995 GL1500SE A - FRONT BRAKE CALIPER
1995 GL1500SE AC - FRONT BRAKE CALIPER
1995 VF750C A - FRONT BRAKE CALIPER
1995 VF750C AC - FRONT BRAKE CALIPER
1995 VF750CD A - FRONT BRAKE CALIPER
1995 VF750CD AC - FRONT BRAKE CALIPER
1995 VFR750F A - FRONT BRAKE CALIPER
1995 VFR750F AC - FRONT BRAKE CALIPER
1996 CBR600F3 A - FRONT BRAKE CALIPER
1996 CBR600F3 AC - FRONT BRAKE CALIPER
1996 CBR600SJR A - FRONT BRAKE CALIPER
1996 CBR600SJR AC - FRONT BRAKE CALIPER
1996 GL1500A A - FRONT BRAKE CALIPER
1996 GL1500A AC - FRONT BRAKE CALIPER
1996 GL1500I A - FRONT BRAKE CALIPER
1996 GL1500I AC - FRONT BRAKE CALIPER
1996 GL1500SE A - FRONT BRAKE CALIPER
1996 GL1500SE AC - FRONT BRAKE CALIPER
1996 VF750C A - FRONT BRAKE CALIPER
1996 VF750C AC - FRONT BRAKE CALIPER
1996 VF750CD A - FRONT BRAKE CALIPER
1996 VF750CD AC - FRONT BRAKE CALIPER
1996 VFR750F A - FRONT BRAKE CALIPER
1996 VFR750F AC - FRONT BRAKE CALIPER
1997 CBR600F3 A - FRONT BRAKE CALIPER
1997 CBR600F3 AC - FRONT BRAKE CALIPER
1997 GL1500A A - FRONT BRAKE CALIPER
1997 GL1500A AC - FRONT BRAKE CALIPER
1997 GL1500SE A - FRONT BRAKE CALIPER
1997 GL1500SE AC - FRONT BRAKE CALIPER
1997 VF750C A - FRONT BRAKE CALIPER
1997 VF750C AC - FRONT BRAKE CALIPER
1997 VF750C2 A - FRONT BRAKE CALIPER
1997 VF750C2 AC - FRONT BRAKE CALIPER
1997 VFR750F A - FRONT BRAKE CALIPER
1997 VFR750F AC - FRONT BRAKE CALIPER
1998 CBR600F3 A - FRONT BRAKE CALIPER
1998 CBR600F3 AC - FRONT BRAKE CALIPER
1998 CBR600SE A - FRONT BRAKE CALIPER
1998 CBR600SE AC - FRONT BRAKE CALIPER
1998 GL1500A A - FRONT BRAKE CALIPER
1998 GL1500A AC - FRONT BRAKE CALIPER
1998 GL1500SE A - FRONT BRAKE CALIPER
1998 GL1500SE AC - FRONT BRAKE CALIPER
1998 VF750C A - FRONT BRAKE CALIPER
1998 VF750C AC - FRONT BRAKE CALIPER
1998 VF750C2 A - FRONT BRAKE CALIPER
1998 VF750C2 AC - FRONT BRAKE CALIPER
1999 GL1500A A - FRONT BRAKE CALIPER
1999 GL1500A AC - FRONT BRAKE CALIPER
1999 GL1500CF A - REAR BRAKE CALIPER
1999 GL1500CF AC - REAR BRAKE CALIPER
1999 GL1500SE A - FRONT BRAKE CALIPER
1999 GL1500SE AC - FRONT BRAKE CALIPER
1999 VF750C A - FRONT BRAKE CALIPER
1999 VF750C AC - FRONT BRAKE CALIPER
1999 VF750C2 A - FRONT BRAKE CALIPER
1999 VF750C2 AC - FRONT BRAKE CALIPER
2000 GL1500A A - FRONT BRAKE CALIPER
2000 GL1500A AC - FRONT BRAKE CALIPER
2000 GL1500CF A - REAR BRAKE CALIPER
2000 GL1500CF AC - REAR BRAKE CALIPER
2000 GL1500SE A - FRONT BRAKE CALIPER
2000 GL1500SE AC - FRONT BRAKE CALIPER
2000 VF750C A - FRONT BRAKE CALIPER
2000 VF750C AC - FRONT BRAKE CALIPER
2000 VF750C2 A - FRONT BRAKE CALIPER
2000 VF750C2 AC - FRONT BRAKE CALIPER
2001 GL1500CF A - REAR BRAKE CALIPER
2001 GL1500CF AC - REAR BRAKE CALIPER
2001 VF750C A - FRONT BRAKE CALIPER
2001 VF750C AC - FRONT BRAKE CALIPER
2002 VF750C A - FRONT BRAKE CALIPER
2002 VF750C AC - FRONT BRAKE CALIPER
2003 CMX250C A - FRONT BRAKE CALIPER
2003 CMX250C AC - FRONT BRAKE CALIPER
2003 VF750C A - FRONT BRAKE CALIPER
2003 VF750C AC - FRONT BRAKE CALIPER
2004 CB50R A - FRONT BRAKE CALIPER
2004 CB600F A - FRONT BRAKE CALIPER
2004 CB600F AC - FRONT BRAKE CALIPER
2004 CMX250C A - FRONT BRAKE CALIPER
2004 CMX250C AC - FRONT BRAKE CALIPER
2004 NSR50R A - FRONT BRAKE CALIPER
2004 VT750C A - FRONT BRAKE CALIPER
2004 VT750C A/A - FRONT BRAKE CALIPER
2004 VT750C AC/A - FRONT BRAKE CALIPER
2004 VT750CA A - FRONT BRAKE CALIPER
2004 VT750CA A/B - FRONT BRAKE CALIPER
2004 VT750CA AC - FRONT BRAKE CALIPER
2004 VTX1300C A - FRONT BRAKE CALIPER
2004 VTX1300C AC - FRONT BRAKE CALIPER
2005 CMX250C A - FRONT BRAKE CALIPER
2005 CMX250C AC - FRONT BRAKE CALIPER
2005 VT750CA AC - FRONT BRAKE CALIPER
2005 VTX1300C A - FRONT BRAKE CALIPER
2005 VTX1300C AC - FRONT BRAKE CALIPER
2005 VTX1300R A - FRONT BRAKE CALIPER
2005 VTX1300R AC - FRONT BRAKE CALIPER
2005 VTX1300S A - FRONT BRAKE CALIPER
2005 VTX1300S AC - FRONT BRAKE CALIPER
2006 CB600F A - FRONT BRAKE CALIPER
2006 CB600F AC - FRONT BRAKE CALIPER
2006 CMX250C A - FRONT BRAKE CALIPER
2006 CMX250C AC - FRONT BRAKE CALIPER
2006 VT750C A - FRONT BRAKE CALIPER
2006 VT750C AC - FRONT BRAKE CALIPER
2006 VT750C AC/A - FRONT BRAKE CALIPER
2006 VT750CA A - FRONT BRAKE CALIPER
2006 VT750CA A/A - FRONT BRAKE CALIPER
2006 VTX1300C A - FRONT BRAKE CALIPER
2006 VTX1300C AC - FRONT BRAKE CALIPER
2006 VTX1300R A - FRONT BRAKE CALIPER
2006 VTX1300R AC - FRONT BRAKE CALIPER
2006 VTX1300S A - FRONT BRAKE CALIPER
2006 VTX1300S AC - FRONT BRAKE CALIPER
2007 CMX250C A - FRONT BRAKE CALIPER
2007 CMX250C AC - FRONT BRAKE CALIPER
2007 VT750C A - FRONT BRAKE CALIPER
2007 VT750C A/A - FRONT BRAKE CALIPER
2007 VT750CA A - FRONT BRAKE CALIPER
2007 VT750CA A/A - FRONT BRAKE CALIPER
2007 VTX1300C A - FRONT BRAKE CALIPER
2007 VTX1300C AC - FRONT BRAKE CALIPER
2007 VTX1300R A - FRONT BRAKE CALIPER
2007 VTX1300R AC - FRONT BRAKE CALIPER
2007 VTX1300S A - FRONT BRAKE CALIPER
2007 VTX1300S AC - FRONT BRAKE CALIPER
2008 CMX250C A - FRONT BRAKE CALIPER
2008 CMX250C AC - FRONT BRAKE CALIPER
2008 VT750C AC/A - FRONT BRAKE CALIPER
2008 VT750CA A/A - FRONT BRAKE CALIPER
2008 VT750CA A/B - FRONT BRAKE CALIPER
2008 VT750CA AC - FRONT BRAKE CALIPER
2008 VT750CA AC/A - FRONT BRAKE CALIPER
2008 VTX1300C A - FRONT BRAKE CALIPER
2008 VTX1300C AC - FRONT BRAKE CALIPER
2008 VTX1300R A - FRONT BRAKE CALIPER
2008 VTX1300R AC - FRONT BRAKE CALIPER
2008 VTX1300T A - FRONT BRAKE CALIPER
2008 VTX1300T AC - FRONT BRAKE CALIPER
2009 CMX250C A - FRONT BRAKE CALIPER
2009 CMX250C AC - FRONT BRAKE CALIPER
2009 VT750C A - FRONT BRAKE CALIPER
2009 VT750C AC - FRONT BRAKE CALIPER
2009 VT750CA 3AC - FRONT BRAKE CALIPER
2009 VT750CA AC - FRONT BRAKE CALIPER
2009 VTX1300C A - FRONT BRAKE CALIPER
2009 VTX1300C AC - FRONT BRAKE CALIPER
2009 VTX1300R A - FRONT BRAKE CALIPER
2009 VTX1300R AC - FRONT BRAKE CALIPER
2009 VTX1300T A - FRONT BRAKE CALIPER
2009 VTX1300T AC - FRONT BRAKE CALIPER
2010 VT750C2B A - FRONT BRAKE CALIPER (VT750C2F/C2B)
2010 VT750C2B AC - FRONT BRAKE CALIPER (VT750C2F/C2B)
2010 VT750RS A - FRONT BRAKE CALIPER
2011 CBR250R 2AC - FRONT BRAKE CALIPER (CBR250R)
2011 VT750C A - FRONT BRAKE CALIPER (1)
2011 VT750C AC - FRONT BRAKE CALIPER (1)
2011 VT750C2B A - FRONT BRAKE CALIPER (1)
2011 VT750C2B AC - FRONT BRAKE CALIPER (1)
2012 CMX250C A - FRONT BRAKE CALIPER
2012 CMX250C AC - FRONT BRAKE CALIPER
2012 VT750C2B A - FRONT BRAKE CALIPER (1)
2012 VT750CA A - FRONT BRAKE CALIPER (1)
2012 VT750RS AC - FRONT BRAKE CALIPER (3)
2013 CBR250R 3AC - FRONT BRAKE CALIPER (CBR250R)
2013 CBR250R 4AC - FRONT BRAKE CALIPER (CBR250R)
2013 CMX250C AC - FRONT BRAKE CALIPER
2013 VT750C2B A - FRONT BRAKE CALIPER (1)
2013 VT750CA AC - FRONT BRAKE CALIPER (1)
2013 VT750S AC - FRONT BRAKE CALIPER (3)
2014 CBR650F A - FRONT BRAKE CALIPER (1)
2014 CBR650F AC - FRONT BRAKE CALIPER (1)
2014 CBR650FA AC - FRONT BRAKE CALIPER (1)
2014 VFR800F 2AC - REAR BRAKE CALIPER
2014 VFR800F AC - REAR BRAKE CALIPER
2014 VT750C AC - FRONT BRAKE CALIPER (1)
2015 CB300F AC - FRONT BRAKE CALIPER (STANDARD)
2015 CBR300R 2A - FRONT BRAKE CALIPER (STANDARD)
2015 CBR300R A - FRONT BRAKE CALIPER (STANDARD)
2015 CBR650F A - FRONT BRAKE CALIPER (1)
2015 CBR650F A - FRONT BRAKE CALIPER
2015 CBR650F AC - FRONT BRAKE CALIPER (1)
2015 CBR650FA AC - FRONT BRAKE CALIPER (1)
2015 CMX250X 2A - FRONT BRAKE CALIPER
2015 CMX250X 3AC - FRONT BRAKE CALIPER
2015 VT750C A - FRONT BRAKE CALIPER (VT750C/C2B)
2018 CBR300R 5AC - FRONT BRAKE CALIPER (STANDARD)
 


Dusty
 

[jmint]

I believe they have smaller pistons to help increase braking power because interstates are heavier

I think the difference may be in height or length, so not interchangeable unless the part #'s are the same.

Pretty sure all Valk caliper cylinders are the same O.D 

It's the OD of the piston that makes it different.  Pretty sure the length is the same.

Does the smaller cross section of the piston create greater breaking force?  I don't have any real experience with hydraulics.

[Chrisj CMA]

I believe they have smaller pistons to help increase braking power because interstates are heavier

I think the difference may be in height or length, so not interchangeable unless the part #'s are the same.

Pretty sure all Valk caliper cylinders are the same O.D 

It's the OD of the piston that makes it different.  Pretty sure the length is the same.

Does the smaller cross section of the piston create greater breaking force?  I don't have any real experience with hydraulics.

I’m not positive. I had an IS caliper that I sent to someone. The pistons looked skinny to me and I asked at the time and increased braking power was the only logical answer.

[Dusty]

 A bigger cross section will supply more force but will decrease the amount of travel because the piston at the handlebar will only move a certain amount of fluid.

Dusty

[jmint]

A bigger cross section will supply more force but will decrease the amount of travel because the piston at the handlebar will only move a certain amount of fluid.

Dusty

OK, so based on that info, I compared the pistons in the MC between the interstate and the tourer.  Looks like they're the same part number, so it should push the same amount of fluid.

If the inverse it true, the interstate's rear brake is designed to decrease force required, but increase the amount of travel.  It would seem that this would be better because of the increase in weight?

[Hook#3287]

According to Partzilla's web page, the cylinder, seal set and pads of the REAR caliper are used exclusively on the 99- 01 GL1500CF A & AC.

https://www.partzilla.com/product/honda/45107-KCW-880?ref=7fe1d52bf8ed66c945ae53ecfb4f18c33fa79cce

https://www.partzilla.com/product/honda/06451-MBY-750?ref=7fe1d52bf8ed66c945ae53ecfb4f18c33fa79cce

While not having them in front of me to compare, my guess is because the Interstate REAR pads are thicker than other Valk rear pads, the cylinders are smaller in length so that the rear caliper and rear rotor are interchangeable with most other models.

The FRONT calipers appear to be interchangeable between all years and models.

I'm going with Mother Honda and her manuals on the OD of the cylinders being the same.

[jmint]

Should have been clearer - I mean the piston in the master cylinder.  The pistons in the rear caliper are different.  I was referring to the amount of fluid being pushed by the master cylinder.