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Kenworth T660 Shock Absorbers

Enhance your driving experience with high-quality Kenworth T660 shock absorbers. Choose from trusted brands like Bulldog HD Shocks and BESTfit at 4 State Trucks. Enjoy a comfortable and stylish ride on any road! Check them out now for a smoother journey!
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  • Bulldog HD Front Shock Absorber For Steer Axle W/ 21.34 Inch Extended Length For Peterbilt and Kenworth

    Bulldog HD Front Shock Absorber For Steer Axle W/ 21.34 Inch Extended Length For Peterbilt and Kenworth

    BULLDOG HD SHOCKS

    $68.99
    Heavy-Duty Shock AbsorberFind premium shock replacements for your truck at 4 State Trucks. We carry these front Bulldog Heavy Duty Shocks, reengineered to last longer and perform better than the part...
    29-0500002
    SKU:
    29-0500002
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Bulldog HD Front Shock Absorber Replaces 1613957000 For Kenworth, Peterbilt

    Bulldog HD Front Shock Absorber Replaces 1613957000 For Kenworth, Peterbilt

    BULLDOG HD SHOCKS

    $60.99
    Commercial Grade Heavy Duty Shock Absorber Fits PACCAR T2000, T400, T600, T660, T700, T800, 385 & 587Find premium shock replacements for your truck at 4 State Trucks. We carry these front Bulldog...
    29-050000018
    SKU:
    29-050000018
    Truck Class:
    Heavy Duty
    Length Options:
    25 Inch
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Gabriel Shock Absorber Replaces 85069, 661400, 66584440Y For Peterbilt & Kenworth

    Gabriel Shock Absorber Replaces 85069, 661400, 66584440Y For Peterbilt & Kenworth

    GABRIEL

    $71.99
    Gabriel 85069 Shock AbsorberMaintain superior ride control on your Peterbilt or Kenworth truck with this Gabriel Fleetline Shock Absorber, replacing OE numbers 85069, 661400, and 66584440Y. Designed...
    29-050017
    SKU:
    29-050017
    Length Options:
    15 Inch
    Truck Class:
    Heavy Duty
    Size Options:
    10 Stroke
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Shock Upper Mounting Stud For Kenworth

    Shock Upper Mounting Stud For Kenworth

    AUTOMANN USA

    $54.99
    Upper Mounting Bracket Stud For Shock Fits KenworthImprove shock stability on your Kenworth truck with the High-Quality Shock Upper Mounting Stud, built for precise installation and heavy-duty...
    02-050905
    SKU:
    02-050905
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Shock Bushing 1.5 Inch Od X 3/4 Inch ID

    Shock Bushing 1.5 Inch Od X 3/4 Inch ID

    ENERGY SUSPENSION

    $4.07
    Shock Bushing* High Quality Shock Bushing* Made Of Polyurethane* 1/2 Hour Glass, 1-1/2 Inch O.D. X 3/4 Inch I.D. * 4 Pieces* Pack Of 4, One Package Per Shock* Sold Individually* Made In USA* Warranty...
    29-050001
    SKU:
    29-050001
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Diameter Options:
    1 1/2 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $4.07
    Qty in Cart: 0
    Price:
    $4.07
    Subtotal:
  • FREE SHIPPING OVER $249
    Load-Share Shock Bolt With Shoulder Used In Front Air Ride Kits

    Load-Share Shock Bolt With Shoulder Used In Front Air Ride Kits

    LOAD-SHARE SUSPENSIONS

    $60.99
    Shock BoltLooking for a reliable shock bolt for your front air ride kit or other projects? Check out our 3/4-inch Shock Bolt with Shoulder! It's the perfect fit for securely mounting shocks with ease...
    29-050007
    SKU:
    29-050007
    Width Options:
    3/4 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • Shock Bolt Kit, 14.Inch Ride Heights - KIT11104 For Meritor

    Shock Bolt Kit, 14.Inch Ride Heights - KIT11104 For Meritor

    AUTOMANN USA

    $16.18
    Shock Bolt Kit Replaces Kit11104* High Quality Shock Bolt Kit* Consists Of  - (1) Cap Screw 3/4 Inch X 3-1/2 Inch - (1) Shock Bolt 3/4in -10 x 4-1/2in Lg - (2) Lock Nut 3/4in -10* 14.Inch Ride...
    09-05250038
    SKU:
    09-05250038
    Length Options:
    3 1/2 Inch
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $16.18
    Qty in Cart: 0
    Price:
    $16.18
    Subtotal:
  • 1.5 Inch Shock Spacer, 2.25 In OD, 0.77 In ID

    1.5 Inch Shock Spacer, 2.25 In OD, 0.77 In ID

    AUTOMANN USA

    $9.25
    1.5 Inch Shock Spacer Replaces A23645Maintain perfect suspension alignment with this reliable 1.5 Inch Shock Spacer. With a 2.25-inch OD, 0.77-inch ID, and 1.5-inch height, it strengthens your shock...
    09-05250083
    SKU:
    09-05250083
    Material Options:
    Brass
    Diameter Options:
    3/4 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $9.25
    Qty in Cart: 0
    Price:
    $9.25
    Subtotal:
  • Gabriel Fleetline Drive Shock Absorber Replaces 65495, 66436 For Kenworth & Peterbilt

    Gabriel Fleetline Drive Shock Absorber Replaces 65495, 66436 For Kenworth & Peterbilt

    AFTERMARKET

    $92.99
    Drive Shock Absorber Fits Kenworth & PeterbiltEnhance the performance and stability of your Kenworth or Peterbilt truck with the Gabriel Fleetline Drive Shock Absorber. This high-quality drive shock...
    29-0500005
    SKU:
    29-0500005
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    Subtotal:
  • Gabriel Shock Absorber Replaces 665763, B23548, S23548 For Hendrickson Trailer Suspension Systems

    Gabriel Shock Absorber Replaces 665763, B23548, S23548 For Hendrickson Trailer Suspension Systems

    GABRIEL

    $94.99
    Under Slung Style Replacement Shock Absorber* High Quality Shock Absorber* Sold Individually* Warranty On Shock Absorbers Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-050013
    SKU:
    09-050013
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Shock Bushing 1.75 Inch OD X 1 Inch ID - Pack Of 4

    Shock Bushing 1.75 Inch OD X 1 Inch ID - Pack Of 4

    ENERGY SUSPENSION

    $8.52
    Bushings For Shocks* High Quality Shock Absorber Bushings* Made Of Polyurethane * 1/2 Hour Glass, 1-3/4 Inch O.D. X 1 Inch I.D. * Pack Of 4, One Package Per Shock* Sold Individually* Made In USA*...
    29-050000
    SKU:
    29-050000
    Color:
    Red
    Truck Class:
    Universal
    Location:
    Made In USA
    Diameter Options:
    1 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $8.52
    Qty in Cart: 0
    Price:
    $8.52
    Subtotal:
  • On Sale
    Limited Quantity Available
    Shock Absorber 1.63 Inch Bore Replaces 85000, 65416

    Shock Absorber 1.63 Inch Bore Replaces 85000, 65416

    OPP - ORIGINAL PARTS PROGRAM

    Now: $12.08
    Was: $51.99
    Shock AbsorberThis shock absorber features a 1.63-inch bore and is a direct replacement for Monroe numbers 65416 and 66893, as well as Gabriel number 85000. It's designed to provide reliable...
    09-050002
    SKU:
    09-050002
    Truck Class:
    Heavy Duty
    Length Options:
    12 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $12.08
    Was: $51.99
    Qty in Cart: 0
    Price:
    Now: $12.08
    Was: $51.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Gabriel Shock Absorber 1.63 Inch Bore Replaces 85919, 65503

    Gabriel Shock Absorber 1.63 Inch Bore Replaces 85919, 65503

    GABRIEL

    $83.99
    Gabriel Fleetline Steer And Trailer Shock Absorber* High Quality Absorber * 1.63 Inch Bore* Collapsed Length 14.23 Inches* Extended Length 22.48 Inches* Sleeve Mounting* Sold Individually* Warranty...
    09-050004
    SKU:
    09-050004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Gabriel Fleetline Drive Shock Absorber Replaces 65524

    Gabriel Fleetline Drive Shock Absorber Replaces 65524

    GABRIEL

    $81.99
    Drive Shock Absorber Fits KenworthImprove your truck's suspension efficiency with the Gabriel Fleetline Drive Shock Absorber. Engineered for precision, this high-quality shock features 17.27-inch...
    02-0500004
    SKU:
    02-0500004
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • Shock Bracket Stud Replaces K233-520 For Kenworth T660

    Shock Bracket Stud Replaces K233-520 For Kenworth T660

    AFTERMARKET

    $38.33
    Shock Bracket StudRestore secure shock attachment with the Shock Bracket Stud for Kenworth T660, engineered to replace K233-520. Featuring a 220.50 mm overall length and precision M16 x 2.00 and M20...
    02-050019
    SKU:
    02-050019
    Position:
    Lower
    Length Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $38.33
    Qty in Cart: 0
    Price:
    $38.33
    Subtotal:
  • Shock Spacer - 1.5 In OD, 0.81 In ID For Hendrickson Turner

    Shock Spacer - 1.5 In OD, 0.81 In ID For Hendrickson Turner

    AUTOMANN USA

    $5.67
    Shock Spacer Replaces E11831, A20913* High Quality Shock Spacer* 1 1/2 In OD * 0.810 Inch ID* 1.15625In Thickness* Sold Individually * Warranty On Shock Spacers Against Defects In Workmanship &...
    09-05250082
    SKU:
    09-05250082
    Diameter Options:
    1 1/2 Inch
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $5.67
    Qty in Cart: 0
    Price:
    $5.67
    Subtotal:
  • Rear Upper Shock Bracket Chalmer

    Rear Upper Shock Bracket Chalmer

    AFTERMARKET

    $71.99
    Chalmers Upper Shock Bracket Replaces 800154. 3516765C1Keep your Chalmers suspension aligned with the Rear Upper Shock Bracket. Measuring 2.5 inches center-to-center, it ensures an exact fit for...
    29-05100277
    SKU:
    29-05100277
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Gabriel Gas SLX Adjustable Steer Shock Replaces 65159

    Gabriel Gas SLX Adjustable Steer Shock Replaces 65159

    GABRIEL

    $86.99
    Adjustable Steer Shock Fits Kenworth* High Quality Steer Shock* Extended Length 25.59 Inch* Collapsed Length 15.83 Inch* Sold Individually* Warranty On Steer Shocks Against Defects In Workmanship &...
    02-0500005
    SKU:
    02-0500005
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • Shock Spacer - 1 1/2 In OD, 3/4 In ID For Hendrickson Turner

    Shock Spacer - 1 1/2 In OD, 3/4 In ID For Hendrickson Turner

    AUTOMANN USA

    $6.34
    0.78 Inch Tall Shock Spacer* High Quality Shock Spacer* 3/4 Inch ID* 1.5In OD * 0.78 Inch Height * Sold Individually * Warranty On Shock Spacers Against Defects In Workmanship & Material From Date Of...
    09-05250081
    SKU:
    09-05250081
    Material Options:
    Brass
    Diameter Options:
    3/4 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $6.34
    Qty in Cart: 0
    Price:
    $6.34
    Subtotal:
  • Gabriel Fleetline Steer Shock Absorber Replaces 65159

    Gabriel Fleetline Steer Shock Absorber Replaces 65159

    AFTERMARKET

    $71.99
    Steer Shock Absorber Fits Kenworth* High Quality Steer Shock* Extended Length 25.59 Inch* Collapsed Length 15.83 Inch* Sold Individually* Warranty On Steer Shocks Against Defects In Workmanship &...
    02-0500002
    SKU:
    02-0500002
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    BULLDOG HD SHOCKS

    $42.33
    Front Suspension Shock Extended Length 26.85 Inch, Collapsed 16.61 InchRestore dependable steering response and ride quality with this high-quality Bulldog Front Suspension Shock designed for...
    09-05000005
    SKU:
    09-05000005
    Product Type:
    Frame & Chassis
    Style Options:
    Heavy Duty
    Length Options:
    27 Inch
    Make:
    Universal Items
    $42.33
    Qty in Cart: 0
    Price:
    $42.33
    Subtotal:
  • Bulldog HD Cab Shock Absorber Replaces 12021065 12021164 R711005 For Kenworth

    Bulldog HD Cab Shock Absorber Replaces 12021065 12021164 R711005 For Kenworth

    BULLDOG HD SHOCKS

    $49.48
    Bulldog Heavy Duty Cab Shock AbsorberBulldog HD Cab Shock Absorbers is a premium replacement part, isolating the cab from the frame to prevent road induced noise, vibration and harshness from...
    29-0500001
    SKU:
    29-0500001
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $49.48
    Qty in Cart: 0
    Price:
    $49.48
    Subtotal:
  • Gabriel Shock Absorber 1.63 Inch Bore Replaces 66627, 5045

    Gabriel Shock Absorber 1.63 Inch Bore Replaces 66627, 5045

    AFTERMARKET

    $52.99
    Gabriel Fleetline Trailer Shock Absorber 10.11 - 14.52 InchThe Gabriel Fleetline Trailer Shock Absorber is designed to fit various trailer suspension systems, including Hendrickson, Neway Holland,...
    09-050006
    SKU:
    09-050006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Type Options:
    Sleeve Mount
    Length Options:
    14 1/2 Inch
    $52.99
    Qty in Cart: 0
    Price:
    $52.99
    Subtotal:
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Adding your products to cart

If your Kenworth T660 rides harsh, leans more in corners, or feels unstable with a loaded trailer, your shocks could be worn out. Replacing them helps restore control, comfort, and balance on every haul.

Fix Your Poor Ride Quality with Shock Dampeners

Our in-stock lineup of premium aftermarket shock dampener brands, from Road King to Gabriel, are made to fit your Kenworth T660 model. Designed with useful features like double lip seals and OE ride adjustability, these shocks work to absorb a tremendous amount of road impact, reducing vibrations and helping to keep your tires planted for better handling and braking. Choose from front, rear, or adjustable shock options from trusted brands like Gabriel, Bulldog HD, and BESTfit, all designed to fit your T660's suspension setup. When you replace shocks, don't skip the small parts that keep your suspension tight and quiet: - Bushings cushion vibration and prevent metal-on-metal wear. - Bolt kits and spacers maintain secure, aligned mounting points. - Upper mounts and studs stop rattling and looseness under load. Keep your ride smooth and steady with durable Kenworth T660 level valves, Kenworth T660 front axle air ride kits, shocks and mounting components built for long miles and tough jobs.

Frequently Asked Questions About Kenworth T660 Shock Absorbers

Will these shock absorbers fit my Kenworth T660 without modification?

Shock absorbers in this category are designed to match the T660's factory mounting points and specifications, but fitment can vary depending on axle position (front or rear), ride height, and whether your truck has any suspension modifications. Always check the listed specifications, including length and mounting bushing size, against your truck's original equipment before ordering.

How do I know when my shock absorbers need to be replaced?

Common signs of worn shocks include excessive bouncing, uneven tire wear, a rougher ride than usual, visible oil leaking from the shock body, or a cab that continues to sway after hitting a bump. If you notice any of these symptoms, it is a good idea to have your shocks inspected and replaced if needed.

What is the difference between OEM and aftermarket shock absorbers for the T660?

OEM shock absorbers are built to match Kenworth's original specifications and are a safe choice if you want to replicate factory ride quality. Aftermarket shocks often offer a similar fit at a lower price point, and some are designed to improve durability or handling. The right choice depends on your budget, driving conditions, and personal preference for ride feel.

Can I install shock absorbers myself, or should I have a professional do it?

Replacing shock absorbers is a straightforward job for anyone comfortable with basic mechanical work and the right tools, including a torque wrench to properly secure mounting bolts. That said, if you are not experienced with suspension work or do not have access to a lift, having a qualified technician handle the installation ensures everything is torqued correctly and safely.

Should I replace shock absorbers one at a time or in pairs?

It is generally recommended to replace shocks in pairs (both front or both rear) at the same time, even if only one appears worn. This helps maintain even handling and ride quality on both sides of the truck, since shocks tend to wear at a similar rate once they have been in service for a while.


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