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Chrome Rush countdown – 14% off semi truck parts and chrome accessories at 4 State Trucks
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Kenworth T660 Drive Axle Springs & Hangers

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Headrest, Arms, Integrated Compressor- Black & Gray Synthetic Leather

    Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Headrest, Arms, Integrated Compressor- Black & Gray Synthetic Leather

    KNOEDLER

    $2,625.99
    Black & Gray Synthetic Leather Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Headrest, Arms, Integrated Compressor- Black & Gray Synthetic LeatherFor drivers seeking a perfect blend of...
    98SSL62MH0S015
    SKU:
    98SSL62MH0S015
    Product Type:
    Seats
    Color:
    Black
    Material Options:
    Synthetic Leather
    Style Options:
    Mid Back
    Degree Options:
    45
    Make:
    Universal Items
    $2,625.99
    Qty in Cart: 0
    Price:
    $2,625.99
    Subtotal:
  • Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Integrated Compressor- Black Synthetic Leather

    Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Integrated Compressor- Black Synthetic Leather

    KNOEDLER

    $2,625.99
    Black Synthetic Leather Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Integrated CompressorMaximize long-haul comfort with the Knoedler Extreme Low Rider Air Chief Mid Back...
    98SSL62MH0S01
    SKU:
    98SSL62MH0S01
    Color:
    Black
    Style Options:
    Mid Back
    Degree Options:
    45
    Product Type:
    Seats
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    $2,625.99
    Qty in Cart: 0
    Price:
    $2,625.99
    Subtotal:
  • Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest- Gray Synthetic Leather

    Knoedler Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, Headrest- Gray Synthetic Leather

    KNOEDLER

    $2,267.99
    Gray Synthetic Leather Extreme Low Rider Air Chief Mid Back Seat W/ FAS Lumbar, Arms, HeadrestElevate your driving experience with the Knoedler Extreme Low Rider Air Chief Mid Back Seat, upholstered...
    98SCL62MH0S05
    SKU:
    98SCL62MH0S05
    Degree Options:
    45
    Color:
    Gray
    Material Options:
    Synthetic Leather
    Style Options:
    Mid Back
    Product Type:
    Seats
    Make:
    Universal Items
    $2,267.99
    Qty in Cart: 0
    Price:
    $2,267.99
    Subtotal:
  • Knoedler Extreme Low Rider Mid Back Seat W/ Headrest, Arms, Isolator- Black Mordura Cloth

    Knoedler Extreme Low Rider Mid Back Seat W/ Headrest, Arms, Isolator- Black Mordura Cloth

    KNOEDLER

    $2,249.99
    Black Mordura Cloth Extreme Low Rider Mid Back Seat W/ Headrest, Arms, IsolatorTake command of your cab with the Knoedler Extreme Low Rider Mid Back Seat, designed for maximum comfort and...
    98SCL62MH0D01
    SKU:
    98SCL62MH0D01
    Product Type:
    Seats
    Color:
    Black
    Material Options:
    Nylon
    Style Options:
    Mid Back
    Degree Options:
    45
    Make:
    Universal Items
    $2,249.99
    Qty in Cart: 0
    Price:
    $2,249.99
    Subtotal:
  • Knoedler Extreme Low Rider Mid Back Seat W/ FAS Lumbar, Arms- Black Synthetic Leather

    Knoedler Extreme Low Rider Mid Back Seat W/ FAS Lumbar, Arms- Black Synthetic Leather

    KNOEDLER

    $2,170.99
    Black Synthetic Leather Extreme Low Rider Mid Back Seat W/ FAS Lumbar, ArmsRide in comfort and style with the Knoedler Extreme Low Rider Mid Back Seat, a high-performance seat designed for drivers...
    98SCL60MB0S01
    SKU:
    98SCL60MB0S01
    Degree Options:
    45
    Width Options:
    20 Inch
    Material Options:
    Synthetic Leather
    Color:
    Black
    Style Options:
    Mid Back
    Product Type:
    Seats
    Make:
    Universal Items
    $2,170.99
    Qty in Cart: 0
    Price:
    $2,170.99
    Subtotal:
  • Knoedler Low Rider Air Chief Wide Seat W/ FAS Lumbar, Arms- Black Synthetic Leather

    Knoedler Low Rider Air Chief Wide Seat W/ FAS Lumbar, Arms- Black Synthetic Leather

    KNOEDLER

    $1,580.99
    Black Synthetic Leather Low Rider Air Chief Wide Seat W/ FAS Lumbar, ArmsDrive in comfort and style with the Knoedler Low Rider Air Chief Wide Seat. The 23-inch wide cushion, mid-back seat, and...
    98LWL82MH0S01
    SKU:
    98LWL82MH0S01
    Product Type:
    Seats
    Color:
    Black
    Style Options:
    Mid Back
    Material Options:
    Synthetic Leather
    Width Options:
    23 Inch
    Degree Options:
    45
    Make:
    Universal Items
    $1,580.99
    Qty in Cart: 0
    Price:
    $1,580.99
    Subtotal:
  • Knoedler Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Bellows- Black & Brown Synthetic Leather

    Knoedler Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Bellows- Black & Brown Synthetic Leather

    KNOEDLER

    $1,876.99
    Black & Brown Synthetic Leather Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, BellowsLong-haul drivers can enjoy unmatched comfort with the Knoedler Air Chief Standard Base Mid...
    98CWL82MH0S12
    SKU:
    98CWL82MH0S12
    Product Type:
    Seats
    Style Options:
    Mid Back
    Material Options:
    Synthetic Leather
    Color:
    Black
    Width Options:
    23 Inch
    Make:
    Universal Items
    $1,876.99
    Qty in Cart: 0
    Price:
    $1,876.99
    Subtotal:
  • V-Band Clamp For Cummins ISM, ISX 12, ISX 15 Engine Replaces 2871863

    V-Band Clamp For Cummins ISM, ISX 12, ISX 15 Engine Replaces 2871863

    AUTOMANN USA

    $32.14
    13.375 Inch V- Band ClampProtect your DPF muffler system on Cummins ISM, ISX 12, and ISX 15 engines with this high-quality stainless steel V-Band Clamp, replacing 2871863. The 12.5-inch body and 13...
    29-08060022
    SKU:
    29-08060022
    Length Options:
    12 1/2 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Cummins
    Diameter Options:
    13 1/2 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    $32.14
    Qty in Cart: 0
    Price:
    $32.14
    Subtotal:
  • Knoedler Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, Massage- Red & Black Synthetic Leather

    Knoedler Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, Massage- Red & Black Synthetic Leather

    KNOEDLER

    $2,996.99
    Red & Black Synthetic Leather Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, MassageElevate your cab interior with the Knoedler Chief Standard Base High Back Seat, designed for...
    98CHS82TB0S16
    SKU:
    98CHS82TB0S16
    Color:
    Black
    Product Type:
    Seats
    Degree Options:
    45
    Style Options:
    High Back
    Material Options:
    Synthetic Leather
    Height Options:
    20 Inch
    Make:
    Universal Items
    $2,996.99
    Qty in Cart: 0
    Price:
    $2,996.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Knoedler Harrier Standard Base High Back Seat W/ Air Lumbar, Arms- Black Synthetic Leather

    Knoedler Harrier Standard Base High Back Seat W/ Air Lumbar, Arms- Black Synthetic Leather

    KNOEDLER

    Now: $933.79
    Was: $1,333.99
    Black Synthetic Leather Harrier Standard Base High Back Seat W/ Air Lumbar, ArmsExperience premium comfort and advanced ergonomics with the Knoedler Harrier Standard Base High Back Seat. This...
    941082TB0S01
    SKU:
    941082TB0S01
    Material Options:
    Synthetic Leather
    Degree Options:
    45
    Product Type:
    Seats
    Color:
    Black
    Style Options:
    High Back
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $933.79
    Was: $1,333.99
    Qty in Cart: 0
    Price:
    Now: $933.79
    Was: $1,333.99
    Subtotal:
  • Hub Odometer Bracket Replaces GT-4065, STM6100065, 610-0065

    Hub Odometer Bracket Replaces GT-4065, STM6100065, 610-0065

    AUTOMANN USA

    $18.50
    Hub Odometer BracketEnhance the stability of your hub odometer assembly with this premium Hub Odometer Bracket. Featuring two legs with 0.375-inch mounting holes and a 0.5-inch top mounting hole, it...
    29-20200053
    SKU:
    29-20200053
    Width Options:
    1 1/2 Inch
    Product Type:
    Wheels
    Height Options:
    3 1/2 Inch
    Length Options:
    5 1/2 Inch
    Make:
    Universal Items
    $18.50
    Qty in Cart: 0
    Price:
    $18.50
    Subtotal:
  • Power Steering Reservoir Replaces 583991410J, 91410J, FG91410J, ZFS91410J For Kenworth, Mack & Peterbilt

    Power Steering Reservoir Replaces 583991410J, 91410J, FG91410J, ZFS91410J For Kenworth, Mack & Peterbilt

    AFTERMARKET

    $480.99
    4 Quart Power Steering ReservoirEnhance your Kenworth, Mack, or Peterbilt truck's steering performance with this high-quality Power Steering Reservoir. The 4-quart reservoir features a fill cap, 4...
    29-07120017
    SKU:
    29-07120017
    Product Type:
    Engine Parts
    Make:
    Peterbilt
    Make:
    Kenworth
    Make:
    Mack
    $480.99
    Qty in Cart: 0
    Price:
    $480.99
    Subtotal:
  • V-Band Clamp For Cummins & PACCAR Engine Replaces 2871862, Q187681, P238308, AC300011

    V-Band Clamp For Cummins & PACCAR Engine Replaces 2871862, Q187681, P238308, AC300011

    AFTERMARKET

    $53.99
    11.90 Inch V-Band ClampKeep your Cummins or PACCAR engine running efficiently with this high-quality V-Band Clamp. With stainless steel construction, a 9.5-inch body, and 11.900-inch nominal...
    29-08060018
    SKU:
    29-08060018
    Diameter Options:
    11 1/2 Inch
    Length Options:
    9 1/2 Inch
    Style Options:
    Paccar
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Camshaft Position Sensor For Caterpillar C15 Engines Replaces 2016617

    Camshaft Position Sensor For Caterpillar C15 Engines Replaces 2016617

    AUTOMANN USA

    $147.99
    Caterpillar C15 Engine Camshaft Position Sensor- 2 PinMaximize engine efficiency and performance with this high-quality Camshaft Position Sensor for CAT C15 engines, replacing 2016617. Featuring a...
    29-07100070
    SKU:
    29-07100070
    Style Options:
    Caterpillar
    Length Options:
    2 1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $147.99
    Qty in Cart: 0
    Price:
    $147.99
    Subtotal:
  • Oil Filler Cap For PACCAR MX13 Engine Replaces 1785085, 1785085PE

    Oil Filler Cap For PACCAR MX13 Engine Replaces 1785085, 1785085PE

    AUTOMANN USA

    $19.04
    PACCAR MX13 Engine Oil Filler CapMaintain your PACCAR MX13 engine with this high-quality replacement Oil Filler Cap, designed to replace 1785085 and 1785085PE. Made from durable rubber with a...
    29-072000014
    SKU:
    29-072000014
    Material Options:
    Rubber
    Product Type:
    Engine Parts
    Color:
    Red
    Style Options:
    Paccar
    Diameter Options:
    1 1/2 Inch
    Make:
    Universal Items
    $19.04
    Qty in Cart: 0
    Price:
    $19.04
    Subtotal:
  • Engine Oil Filter Screw Cap For PACCAR MX13 Engine Replaces 1876740, 1876740, 1936324, 1936324, 1948922, 2011888

    Engine Oil Filter Screw Cap For PACCAR MX13 Engine Replaces 1876740, 1876740, 1936324, 1936324, 1948922, 2011888

    AUTOMANN USA

    $69.99
    PACCAR MX13 Engine Oil Filter Screw CapEnsure your PACCAR MX13 engine continues to operate efficiently with this replacement Engine Oil Filter Screw Cap. Its centrifugal screw-on design with included...
    29-072000015
    SKU:
    29-072000015
    Style Options:
    Paccar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Air Inlet Manifold Pressure Sensor Replaces 1619929, 1946724, 1298374

    Air Inlet Manifold Pressure Sensor Replaces 1619929, 1946724, 1298374

    AUTOMANN USA

    $115.99
    16.50 Inch Air Inlet Manifold Pressure Sensor- 3 PinThis high-quality Air Inlet Manifold Pressure Sensor replacement for 1619929, 1946724, and 1298374 ensures accurate air pressure readings for...
    29-07100066
    SKU:
    29-07100066
    Style Options:
    Caterpillar
    Length Options:
    16 1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
  • Fuel and Water Separator Vent Cap Replaces 240023, 240023DAV, DVC240023DAV, 1694745C91

    Fuel and Water Separator Vent Cap Replaces 240023, 240023DAV, DVC240023DAV, 1694745C91

    AUTOMANN USA

    $9.99
    Fuel and Water Separator Vent CapSafeguard your truck's fuel system with this Fuel and Water Separator Vent Cap, designed to replace 240023, 240023DAV, DVC240023DAV, and 1694745C91. Cap only, sold...
    29-071200034
    SKU:
    29-071200034
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
    Subtotal:
  • Intake Manifold Air Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921473, 3417142

    Intake Manifold Air Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921473, 3417142

    AUTOMANN USA

    $90.99
    Cummins ISX, QSX15 Engine Intake Manifold Air Temp Sensor- 4 PinThis Intake Manifold Air Temp Sensor provides precise and reliable air temperature monitoring for Cummins ISX and QSX15 engines,...
    29-07100062
    SKU:
    29-07100062
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Length Options:
    1 3/4 Inch
    Make:
    Universal Items
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • Coolant Temp Sensor For Caterpillar Engines Replaces 1022240

    Coolant Temp Sensor For Caterpillar Engines Replaces 1022240

    AUTOMANN USA

    $115.99
    Caterpillar Engine Coolant Temp Sensor- 3 PinThis Coolant Temp Sensor for Caterpillar engines replaces 1022240 and delivers precise temperature monitoring to optimize engine performance. Featuring a...
    29-07100071
    SKU:
    29-07100071
    Style Options:
    Caterpillar
    Diameter Options:
    1 Inch
    Length Options:
    3 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
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The Kenworth T660 Drive Axle Springs & Hangers product lineup offers a wide range of high-quality suspension components designed for the popular Kenworth T660 semi-truck model. These heavy-duty parts help maintain the stability, ride comfort, and load-bearing capabilities of the T660 drive axle system. Key items include leaf spring assemblies, spring hangers, shackles, bushings, and alignment shims - all engineered to meet or exceed OEM specifications. Frequent models featured include the Kenworth T660, T800, and T880, which make up over two-thirds of the products in this product lineup. Standout features across these parts include premium polyurethane bushings for quieter ride, rugged cast aluminum brackets, and specialized alignment hardware for precise suspension setup. Many items also feature corrosion-resistant finishes for long service life. Whether you're performing maintenance, repairs, or upgrading your Kenworth T660, this product lineup provides a comprehensive selection of top-quality drive axle components to keep your rig rolling smooth and safe. Take advantage of the high-volume parts to ensure you get the best deals on the most commonly needed suspension upgrades and replacements.

Frequently Asked Questions About Kenworth T660 Drive Axle Springs & Hangers

What is the difference between drive axle springs and hangers, and do I need both?

Drive axle springs (leaf springs) support the weight of the truck and axle while absorbing road shock, while spring hangers are the mounting brackets that attach the springs to the frame. If your hangers are cracked, bent, or worn at the pivot points, replacing them along with your springs is usually recommended since worn hangers can cause premature spring wear and affect ride height and axle alignment.

How do I know if my springs or hangers need to be replaced?

Common signs include visible cracks in the hanger castings, excessive play or looseness at the pivot bushings, uneven ride height, leaning to one side, or unusual noises like clunking over bumps. A sagging spring pack or broken leaf is also a clear indicator that replacement parts are needed.

Will these springs and hangers fit my specific Kenworth T660 configuration?

Fitment can vary based on your truck's axle configuration, GVW rating, and suspension setup, so it's important to verify part numbers against your truck's specs or VIN before ordering. If you're unsure, our team can help confirm compatibility so you get the correct springs and hangers for your specific build.

Can I install these parts myself, or should I have a professional do it?

Replacing drive axle springs and hangers involves lifting and supporting a heavily loaded part of the truck, precise torque specs, and proper alignment of suspension components. While experienced fleet mechanics may handle this in-house, most owner-operators choose to have this work done by a qualified technician to ensure everything is installed safely and correctly.

What materials are these springs and hangers made from, and how long should they last?

Drive axle springs are typically made from heat-treated alloy steel for durability under heavy loads, while hangers are usually cast or forged steel components designed to withstand constant stress and vibration. Lifespan depends heavily on load conditions, road surfaces, and maintenance, so regular inspection is the best way to catch wear before it leads to bigger issues.

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