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International 9900/i/ix Steer Axle Springs-Hang

Elevate your truck with International 9900/i/ix steer axle springs and hangers for 4 State Trucks. Find center bolts and leaf solutions!
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  • 2 Leaf Spring For International Rear New Corporate Air & IROS Suspensions

    2 Leaf Spring For International Rear New Corporate Air & IROS Suspensions

    AFTERMARKET

    $644.99 - $727.99
    Upgrade your suspension with the BESTfit 2 leaf spring, engineered as a direct replacement for International trucks equipped with New Corporate Air and IROS suspension systems. Designed for model...
    PPR_203216
    SKU:
    PPR_203216
    Width Options:
    3 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    $644.99 - $727.99
    Qty in Cart: 0
    Price:
    $644.99 - $727.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Carrier Bearing Kit With Bracket Replaces 210661-1X CB2106611XSA

    Carrier Bearing Kit With Bracket Replaces 210661-1X CB2106611XSA

    OPP - ORIGINAL PARTS PROGRAM

    $146.99
    Carrier Bearing Kit* High Quality Carrier Bearing Kit* 18N Series With Bracket* Replaces OEM # 210121-1X, CB2106611XSA* Sold As Kit* Warranty On Hub Adapter Against Defects In Workmanship & Material...
    CB2106611XSA
    SKU:
    CB2106611XSA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $146.99
    Qty in Cart: 0
    Price:
    $146.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Carrier Bearing Kit With Bracket Replaces 210121-1X CB2101211XSA

    Carrier Bearing Kit With Bracket Replaces 210121-1X CB2101211XSA

    OPP - ORIGINAL PARTS PROGRAM

    $108.99
    Carrier Bearing Kit* High Quality Carrier Bearing Kit* 17N Series With Bracket* Sold As Kit* Warranty On Hub Adapter Against Defects In Workmanship & Material From Date Of Purchase*|** This Is An OEM...
    CB2101211XSA
    SKU:
    CB2101211XSA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $108.99
    Qty in Cart: 0
    Price:
    $108.99
    Subtotal:
  • Poly Trailing Arm Bushing W/ Cross Pin For Tracking Arm

    Poly Trailing Arm Bushing W/ Cross Pin For Tracking Arm

    ENERGY SUSPENSION

    $38.85
    Energy Suspension Trailing Arm Bush With Cross PinUpgrade your Peterbilt tracking arm with this durable poly bushing with a cross pin for a smooth ride! Trust 4 State Trucks for quality parts for...
    907024R
    SKU:
    907024R
    Truck Class:
    Heavy Duty
    Color:
    Red
    Location:
    Made In USA
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $38.85
    Qty in Cart: 0
    Price:
    $38.85
    Subtotal:
  • Single Leaf Z Spring Replaces 56946 And 56946000 For Hendrickson

    Single Leaf Z Spring Replaces 56946 And 56946000 For Hendrickson

    AFTERMARKET

    $456.99
    Single Leaf Z Spring For Hendrickson* High Quality Z Spring* 2.0 Inch THK* 2 Holes At 6-1/2 Inch Center To Center* Single Leaf* No Spring Eye* 3 Inch Width* S.E. SS* L.E. SS* SS Arch* Stud Center...
    29-051000018
    SKU:
    29-051000018
    Width Options:
    3 Inch
    Length Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $456.99
    Qty in Cart: 0
    Price:
    $456.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Silent Block Spring Bushing & Pin 6.75 X 1.796 X 1.796 Inch

    BESTfit Silent Block Spring Bushing & Pin 6.75 X 1.796 X 1.796 Inch

    BESTFIT TRUCK PARTS

    $33.06
    BESTfit Silent Block Spring Bushing And PinEnsure your truck rides smoothly with the BESTfit Silent Block Spring Bushing & Pin, crafted for vibration reduction and secure suspension alignment. The 6...
    29-050963
    SKU:
    29-050963
    Diameter Options:
    1 Inch
    Truck Class:
    Heavy Duty
    Length Options:
    6 Inch
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $33.06
    Qty in Cart: 0
    Price:
    $33.06
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Silent Block Spring Bushing & Pin 7.562 X 1.812 X 1.812 Inch

    BESTfit Silent Block Spring Bushing & Pin 7.562 X 1.812 X 1.812 Inch

    BESTFIT TRUCK PARTS

    $38.57
    BESTfit Spring Eye BushingSuspension components take a beating, which is why the BESTfit Silent Block Spring Bushing & Pin is built for strength and accuracy. Featuring a 1.750-inch outer shell...
    29-050962
    SKU:
    29-050962
    Length Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Diameter Options:
    1 Inch
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $38.57
    Qty in Cart: 0
    Price:
    $38.57
    Subtotal:
  • FREE SHIPPING
    Front Axle Bottom Shock Mounting Bracket Kit For Loadshare Air Ride Kits

    Front Axle Bottom Shock Mounting Bracket Kit For Loadshare Air Ride Kits

    LOAD-SHARE SUSPENSIONS

    $260.99
    Front Axle Bottom Shock Mounting Bracket Kit - Both SideThe Bottom Mounting Bracket Kit for Loadshare Air Ride Kits fits models CLS-10083, CLS-10191, and CLS-10192. It's compatible with trucks like...
    29-050902
    SKU:
    29-050902
    Color:
    Black
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $260.99
    Qty in Cart: 0
    Price:
    $260.99
    Subtotal:
  • 2 Leaf Parabolic Steer Spring 4 Inch Wide Replaces 1690075C91 For International

    2 Leaf Parabolic Steer Spring 4 Inch Wide Replaces 1690075C91 For International

    AFTERMARKET

    $555.99
    2 Leaf Spring For Steer Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900Maintain consistent ride quality and steering control on your International truck with the 2-Leaf...
    07-0591021
    SKU:
    07-0591021
    Truck Class:
    Heavy Duty
    Width Options:
    4 Inch
    Length Options:
    29 Inch
    Make:
    International
    Product Type:
    Frame & Chassis
    $555.99
    Qty in Cart: 0
    Price:
    $555.99
    Subtotal:
  • 2 Leaf Parabolic Steer Spring 4 Inch Wide Replaces 1664618C91 & EE16002002 For International

    2 Leaf Parabolic Steer Spring 4 Inch Wide Replaces 1664618C91 & EE16002002 For International

    AFTERMARKET

    $543.99
    2 Leaf Spring For Steer Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900Provide your International truck with enhanced handling and ride quality using this high-performance 2...
    07-0591020
    SKU:
    07-0591020
    Length Options:
    29 Inch
    Truck Class:
    Heavy Duty
    Width Options:
    4 Inch
    Make:
    International
    Product Type:
    Frame & Chassis
    $543.99
    Qty in Cart: 0
    Price:
    $543.99
    Subtotal:
  • 3 Leaf Parabolic Spring 4 Inch Wide Replaces 1653751C91 For International

    3 Leaf Parabolic Spring 4 Inch Wide Replaces 1653751C91 For International

    AFTERMARKET

    $737.99
    3 Leaf Spring For Steer Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900Reinforce your International truck's suspension with the 3-Leaf Parabolic Spring. Constructed with three...
    07-0591019
    SKU:
    07-0591019
    Length Options:
    29 Inch
    Truck Class:
    Heavy Duty
    Width Options:
    4 Inch
    Make:
    International
    Product Type:
    Frame & Chassis
    $737.99
    Qty in Cart: 0
    Price:
    $737.99
    Subtotal:
  • Side Bar Rear Of Front 1.125 X 2.25 X 5.75 Inch Replaces 1654035C1 For International

    Side Bar Rear Of Front 1.125 X 2.25 X 5.75 Inch Replaces 1654035C1 For International

    AFTERMARKET

    $34.85
    Rear Of Front Side Bar Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900Support your International truck's front suspension with the Side Bar Rear of Front. Measuring 1.125 x 2...
    07-0591015
    SKU:
    07-0591015
    Height Options:
    1 Inch
    Width Options:
    2 Inch
    Length Options:
    5 Inch
    Position:
    Front
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    $34.85
    Qty in Cart: 0
    Price:
    $34.85
    Subtotal:
  • Side Bar Rear of Front 5.625 Inch Replaces 1654035C1 For International

    Side Bar Rear of Front 5.625 Inch Replaces 1654035C1 For International

    AFTERMARKET

    $37.10
    Rear Of Front Side Bar Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900Protect your International truck's rear-of-front suspension with the Side Bar Rear of Front, a premium...
    07-0591014
    SKU:
    07-0591014
    Length Options:
    5 Inch
    Position:
    Front
    Truck Class:
    Heavy Duty
    Height Options:
    1 Inch
    Width Options:
    1 Inch
    Make:
    International
    Product Type:
    Frame & Chassis
    $37.10
    Qty in Cart: 0
    Price:
    $37.10
    Subtotal:
  • FREE SHIPPING OVER $249
    1.766 OD X 4 Inch OAL Threaded Bushing With 1.375 Inch- 6 Thread Replaces 688915R1 For International

    1.766 OD X 4 Inch OAL Threaded Bushing With 1.375 Inch- 6 Thread Replaces 688915R1 For International

    AUTOMANN USA

    $19.26
    Threaded Bushing With 1.375 Inch- 6 Thread Fits International 8100, 8200, 8300, 9100, 9200, 9400, 9900Maintain stability and reduce suspension wear on your International truck with the 1.766 OD X 4...
    07-0591013
    SKU:
    07-0591013
    Diameter Options:
    1 Inch
    Length Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $19.26
    Qty in Cart: 0
    Price:
    $19.26
    Subtotal:
  • Front Spring Silent Block Replaces 503611C1/C2 For International 2500, 2600, 8100- 8300, 9100-9400 & 9900

    Front Spring Silent Block Replaces 503611C1/C2 For International 2500, 2600, 8100- 8300, 9100-9400 & 9900

    AFTERMARKET

    $38.58
    7 Inch OAL 5.75 Inch Center To Center Silent Block Front SpringKeep your International 2500-9900 series truck's suspension quiet and smooth with the Front Spring Silent Block. With a 7-inch overall...
    07-0591012
    SKU:
    07-0591012
    Diameter Options:
    1 Inch
    Length Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    $38.58
    Qty in Cart: 0
    Price:
    $38.58
    Subtotal:
  • FREE SHIPPING OVER $249
    Rear Of Steer Leaf Spring Hanger Threaded Replaces 3500954C1 For International

    Rear Of Steer Leaf Spring Hanger Threaded Replaces 3500954C1 For International

    AUTOMANN USA

    $103.99
    Threaded Shackle Hanger Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900For truck operators who won't compromise on suspension strength, the Rear of Steer Leaf Spring Hanger...
    07-0591011
    SKU:
    07-0591011
    Truck Class:
    Heavy Duty
    Length Options:
    6 Inch
    Make:
    International
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • Rear Of Steer Leaf Spring Hanger Threaded Replaces 1619608C1 For International

    Rear Of Steer Leaf Spring Hanger Threaded Replaces 1619608C1 For International

    AFTERMARKET

    $257.99
    Shackle Hanger Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900Maintain proper spring alignment and handling control on your International truck with the Rear of Steer Leaf...
    07-0591010
    SKU:
    07-0591010
    Length Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Rear Of Steer Leaf Spring Hanger Replaces 1654348C1 For International

    Rear Of Steer Leaf Spring Hanger Replaces 1654348C1 For International

    AUTOMANN USA

    $65.99
    Shackle Hanger Fits International 2500, 2600, 8100, 8200, 8300, 9100, 9200, 9400, 9900Reinforce your International truck's rear-of-front suspension with the high-quality Rear of Steer Leaf Spring...
    07-0591009
    SKU:
    07-0591009
    Truck Class:
    Heavy Duty
    Length Options:
    2 Inch
    Make:
    International
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Shackle Pin 1 OD X 5.75 Inch - Rear Of Front Replaces 507203C1, 507203C2 For International

    Shackle Pin 1 OD X 5.75 Inch - Rear Of Front Replaces 507203C1, 507203C2 For International

    AUTOMANN USA

    $19.26
    Threaded Shackle Pin Fits International 8100, 8200, 8300, 9100, 9200, 9400, 9900Ensure dependable suspension performance on your International truck with the Shackle Pin 1 OD X 5.75 Inch - Rear of...
    07-0591008
    SKU:
    07-0591008
    Diameter Options:
    1 Inch
    Length Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    $19.26
    Qty in Cart: 0
    Price:
    $19.26
    Subtotal:
  • FREE SHIPPING OVER $249
    Shackle Pin 1.063 OD X 5.37 Inch -Rear Of Front Replaces 688952R1 For International 8100-8300, 9100-9400 & 9900

    Shackle Pin 1.063 OD X 5.37 Inch -Rear Of Front Replaces 688952R1 For International 8100-8300, 9100-9400 & 9900

    AUTOMANN USA

    $26.98
    Rear Of Front Threaded Shackle Pin Fits InternationalEnsure your International truck's rear-of-front suspension operates at peak performance with the Shackle Pin. Compatible with 8100-8300,...
    07-0591007
    SKU:
    07-0591007
    Diameter Options:
    1 Inch
    Length Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Frame & Chassis
    $26.98
    Qty in Cart: 0
    Price:
    $26.98
    Subtotal:
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Adding your products to cart

Maintain your International 9900/i/ix steer axle suspension in top condition with premium components and accessories. It includes durable aluminum shims, heavy-duty bushings, parabolic and multi-leaf springs, and specialized repair plates for cost-effective maintenance. With options for precise alignment, reinforced connections, and seamless integration, these parts support heavy loads while delivering a smooth ride. Ideal for upgrades, replacements, or repairs, this selection meets the needs of owner-operators, fleet managers, and maintenance professionals seeking reliable performance.

Frequently Asked Questions About International 9900/i/ix Steer Axle Springs-Hangers

What are steer axle springs and hangers, and what do they do?

Steer axle springs are the leaf springs that support the front axle of your International 9900/i/ix and help control ride height, load distribution, and steering stability. Spring hangers are the brackets that mount the springs to the frame rail, keeping them properly positioned and secured. Together, these components play a key role in how your truck handles and rides, especially under load.

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

Common signs of worn or damaged steer axle springs include sagging ride height, uneven tire wear, a rough or bouncy ride, or visible cracks in the spring leaves. Hangers that are cracked, bent, rusted through, or have worn bushing bores can cause looseness in the front end, unusual noises over bumps, or misalignment. If you notice any of these symptoms, it is a good idea to have the front suspension inspected.

Will these springs and hangers fit my specific 9900, 9900i, or 9900ix model?

Steer axle spring and hanger specifications can vary by model year, axle rating, and configuration, even within the 9900 series. Always check the part number, spring capacity, and mounting dimensions against your truck's specifications before ordering. If you are unsure, having your VIN or axle tag information on hand will help ensure you get the correct fit.

Are these parts new, used, or reconditioned?

Availability varies by listing, so check each product page for details on condition. We list clear descriptions for every part, including whether it is new, used, or reconditioned, along with any visible wear so you know exactly what you are getting before you buy.

What should I know about installing steer axle springs or hangers?

Replacing steer axle springs or hangers involves supporting the front axle, removing worn components, and properly torquing new hardware to spec, so this job is typically handled by someone experienced with heavy-duty suspension work or a qualified truck repair shop. Improper installation can affect ride height, alignment, and steering performance, so following manufacturer torque specs and using proper lifting equipment is important for a safe, correct fit.


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