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IC Corporation Shock Absorber

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KYB 341623 Suspension Shock Absorber, Rear SideKYB 341623 Suspension Shock Absorber, Rear Side
KYBPart # 341623
KYB 341623 Suspension Shock Absorber, Rear Side
42 Reviews
$102.99
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3-year warranty
90 days free return
Fits 2003-2018 IC Corporation RE School Bus, 1990-1994 International 3700, 1990-1998 International 3800, 1999-1999 International 3800, 2000-2004 International 3800
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionRear
Item LocatedUnited States
Part interchange
341623, 85003, 65409
item #1001Q3C0
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KYB 345620 Suspension Shock Absorber, Front Side
KYBPart # 345620
KYB 345620 Suspension Shock Absorber, Front Side
42 Reviews
$60.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2018 IC Corporation RE School Bus, 1987-1987 International 3800, 1990-1994 International 3700, 1990-2004 International 3800, 1986-1988 Mitsubishi Fuso FM
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionFront
Item LocatedUnited States
Part interchange
345620, 83456, 66923
item #1000T9Z3
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2003-2018 IC Corporation RE School Bus 2pc Shock Absorber A-Premium APSA1243
A-Premium®Part # APSA1243
2003-2018 IC Corporation RE School Bus 2pc Shock Absorber A-Premium APSA1243
4.7369 Reviews
$77.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity2
Installation PositionCheck the fitment chart
Item LocatedUnited States
ColorBlack
Part interchange
66923
item #100337YD
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2003-2018 IC Corporation RE School Bus 1pc Shock Absorber A-Premium APSA1422
A-Premium®Part # APSA1422
2003-2018 IC Corporation RE School Bus 1pc Shock Absorber A-Premium APSA1422
4.7369 Reviews
$44.99
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionCheck the fitment chart
Item LocatedUnited States
ColorBlack
Part interchange
66605, 540395C92, 1516301670, 2504419C1
item #10046DTY
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2008-2015 IC Corporation BE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1435
A-Premium®Part # APSA1435
2008-2015 IC Corporation BE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1435
4.7369 Reviews
$47.99
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation BE School Bus: 2008 2009 2010 2011 2012 2013 2014 2015
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionRear Driver or Passenger
Item LocatedUnited States
ColorBlack
Part interchange
83317, 66680, 66924, 3000098C1, 3609400C1, 3609400C2, 3919925, 4C4Z18125B, 
...View more
item #10046979
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2003-2018 IC Corporation RE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1745
A-Premium®Part # APSA1745
2003-2018 IC Corporation RE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1745
4.7369 Reviews
$113.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity2
Installation PositionRear Driver & Passenger
Item LocatedUnited States
ColorBlack
Part interchange
85003, 65409, 66720, 6720, 74420
item #10048TQ6
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2003-2018 IC Corporation RE School Bus 2pc Shock Absorber Front Driver & Passenger A-Premium APSA1764
A-Premium®Part # APSA1764
2003-2018 IC Corporation RE School Bus 2pc Shock Absorber Front Driver & Passenger A-Premium APSA1764
4.7369 Reviews
$151.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity2
Installation PositionFront Driver & Passenger
Item LocatedUnited States
ColorBlack
Part interchange
85316, 65107, 70334, 1664788C2, 2015556C1, 2032533C1, 3199937, 3571711C1, 
...View more
item #10049201
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2003-2018 IC Corporation RE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1437
A-Premium®Part # APSA1437
2003-2018 IC Corporation RE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1437
4.7369 Reviews
$48.99
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionRear Driver or Passenger
Item LocatedUnited States
ColorBlack
Part interchange
85003, 65409, 66720, 6720, 74420
item #10046CK9
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2003-2004 2010-2016 IC Corporation CE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1435
A-Premium®Part # APSA1435
2003-2004 2010-2016 IC Corporation CE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1435
4.7369 Reviews
$47.99
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation CE School Bus: 2003 2004 2010 2011 2012 2013 2014 2015 2016
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionRear Driver or Passenger
Item LocatedUnited States
ColorBlack
Part interchange
83317, 66680, 66924, 3000098C1, 3609400C1, 3609400C2, 3919925, 4C4Z18125B, 
...View more
item #100469NY
Show less
2003-2018 IC Corporation RE School Bus 2pc Shock Absorber A-Premium APSA1739
A-Premium®Part # APSA1739
2003-2018 IC Corporation RE School Bus 2pc Shock Absorber A-Premium APSA1739
4.7369 Reviews
$121.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity2
Installation PositionCheck the fitment chart
Item LocatedUnited States
ColorBlack
Part interchange
66605, 540395C92, 1516301670, 2504419C1
item #10048WRZ
Show less
2008-2015 IC Corporation BE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1743
A-Premium®Part # APSA1743
2008-2015 IC Corporation BE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1743
4.7369 Reviews
$121.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation BE School Bus: 2008 2009 2010 2011 2012 2013 2014 2015
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity2
Installation PositionRear Driver & Passenger
Item LocatedUnited States
ColorBlack
Part interchange
83317, 66680, 66924, 3000098C1, 3609400C1, 3609400C2, 3919925, 4C4Z18125B, 
...View more
item #1004905X
Show less
2003-2018 IC Corporation RE School Bus 1pc Shock Absorber Front Driver or Passenger A-Premium APSA1451
A-Premium®Part # APSA1451
2003-2018 IC Corporation RE School Bus 1pc Shock Absorber Front Driver or Passenger A-Premium APSA1451
4.7369 Reviews
$69.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionFront Driver or Passenger
Item LocatedUnited States
ColorBlack
Part interchange
85316, 65107, 70334, 1664788C2, 2015556C1, 2032533C1, 3199937, 3571711C1, 
...View more
item #10046KTU
Show less
2003-2016 IC Corporation RE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1435
A-Premium®Part # APSA1435
2003-2016 IC Corporation RE School Bus 1pc Shock Absorber Rear Driver or Passenger A-Premium APSA1435
4.7369 Reviews
$47.99
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity1
Installation PositionRear Driver or Passenger
Item LocatedUnited States
ColorBlack
Part interchange
83317, 66680, 66924, 3000098C1, 3609400C1, 3609400C2, 3919925, 4C4Z18125B, 
...View more
item #10046EQA
Show less
2003-2004 2010-2016 IC Corporation CE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1743
A-Premium®Part # APSA1743
2003-2004 2010-2016 IC Corporation CE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1743
4.7369 Reviews
$121.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation CE School Bus: 2003 2004 2010 2011 2012 2013 2014 2015 2016
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity2
Installation PositionRear Driver & Passenger
Item LocatedUnited States
ColorBlack
Part interchange
83317, 66680, 66924, 3000098C1, 3609400C1, 3609400C2, 3919925, 4C4Z18125B, 
...View more
item #10048Z6A
Show less
2003-2016 IC Corporation RE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1743
A-Premium®Part # APSA1743
2003-2016 IC Corporation RE School Bus 2pc Shock Absorber Rear Driver & Passenger A-Premium APSA1743
4.7369 Reviews
$121.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Fits IC Corporation RE School Bus: 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: IC Corporation
Quantity2
Installation PositionRear Driver & Passenger
Item LocatedUnited States
ColorBlack
Part interchange
83317, 66680, 66924, 3000098C1, 3609400C1, 3609400C2, 3919925, 4C4Z18125B, 
...View more
item #100490K3
Show less

Shock Absorbers for Stable Handling and a Smoother Ride

Shock absorbers are a core structural component in a vehicle’s suspension system. Working with the coil spring and other springs, they control movement by converting suspension energy into heat through fluid (oil/gas) resistance inside a pressure tube. The result is better stability, more predictable steering response, and consistent tire contact with the ground—especially over bumps, uneven road conditions, and during braking.

When your vehicle’s suspension system is operating correctly, shocks reduce excessive bounce, limit body roll, and improve overall handling and safety. Whether you drive a daily commuter car on the highway or a truck that sees off road driving, correctly matched shocks help keep the ride controlled, comfortable, and confident.

Signs You Should Replace Shocks and What Causes the Uncomfortable Ride

As shocks wear, their internal piston and seals lose damping efficiency. That’s when you feel an uncomfortable ride—more vibration, longer settling after bumps, and less stability in the front end or rear. Common symptoms include increased bouncing, nose-dive under brake, reduced control in corners, and a “floaty” response at highway speeds.

If you’re planning to replace shocks, consider how your use case accelerates wear: frequent towing, heavy loads, poor road surfaces, and repeated off-road impact all increase heat and stress inside the shock’s mechanism. Worn shocks can also contribute to uneven tire behavior and reduced grip because the wheels can’t maintain consistent contact with the road. Replacing shocks at the right time is a cost-effective way to restore control without chasing secondary issues in the suspension system.

Choosing the Best Shocks for Your Driving Needs

The best shocks depend on how you use the vehicle—load, terrain, and ride preference. Conventional shock absorbers are a solid match for stock driving and everyday road conditions. If you need stronger damping and heat management, twin tube shocks are commonly used for balanced comfort and durability across mixed driving. For trucks and builds that see towing, heavy loads, or off-road use, adjustable shocks can help fine-tune rebound and resistance so the vehicle stays stable under changing weight and road inputs.

Fitment is non-negotiable: match position (front/rear), vehicle type (car or trucks), and suspension design (shock vs strut application). The right set improves braking stability, steering response, and ride quality—helping your suspension system deliver controlled movement and reliable performance over time.