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Mack R Truck Steer Axle Springs & Hangers

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  • On Sale
    Limited Quantity Available
    8 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut

    8 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut

    AFTERMARKET

    Now: $1.42
    Was: $2.03
    8 X 2.875 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut* High Quality Delrin Liner* 8.00 Inch Length* 2.875 Inch Width* 3/4 Inch Hole With Tab For 1/2 Inch Nut* Sold Individually * Warranty On...
    09-05250079
    SKU:
    09-05250079
    Material Options:
    Steel
    Length Options:
    8 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $1.42
    Was: $2.03
    Qty in Cart: 0
    Price:
    Now: $1.42
    Was: $2.03
    Subtotal:
  • Frame Bracket Hanger For Watson & Chalin

    Frame Bracket Hanger For Watson & Chalin

    AFTERMARKET

    $709.99
    Choose Option(s) to see description.Frame Hanger, Driver Side For Watson & ChalinDriver Side Frame Hanger, Replaces 90236910Z & 92039710Z* High Quality Frame Hanger* Driver Side* Made In USA* Sold...
    PPR_206533
    SKU:
    PPR_206533
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $709.99
    Qty in Cart: 0
    Price:
    $709.99
    Subtotal:
  • Bronze Bushing, 1-1/4 OD x 1 ID x 3 Inch

    Bronze Bushing, 1-1/4 OD x 1 ID x 3 Inch

    AUTOMANN USA

    $13.86
    3 Inch Bronze Bushing Replaces 2HR732* High Quality Bronze Bushing* Dimensions: - 3.00 Inch Length - 1.25 Inch O.D. - 1.00 Inch I.D.* Sold Individually* Warranty On Bronze Bushings Against Defects In...
    35-05250000
    SKU:
    35-05250000
    Truck Class:
    Universal
    Diameter Options:
    1 1/4 Inch
    Material Options:
    Bronze
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $13.86
    Qty in Cart: 0
    Price:
    $13.86
    Subtotal:
  • Bronze Bushing, 1-3/8 OD x 1-1/8 ID x 3 Inch

    Bronze Bushing, 1-3/8 OD x 1-1/8 ID x 3 Inch

    AUTOMANN USA

    $13.59
    3 Inch Bronze Bushing Replaces 4HR265* High Quality Bronze Bushing* 3.00 Inch Length* 1.375 Inch O.D.* 1.125 Inch I.D.* Sold Individually* Warranty On Bronze Bushings Against Defects In Workmanship &...
    29-05250036
    SKU:
    29-05250036
    Truck Class:
    Heavy Duty
    Diameter Options:
    3 Inch
    Material Options:
    Bronze
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $13.59
    Qty in Cart: 0
    Price:
    $13.59
    Subtotal:
  • On Sale
    Limited Quantity Available
    Bronze Bushing 1.625 OD x 1.375 ID X 4 Inch

    Bronze Bushing 1.625 OD x 1.375 ID X 4 Inch

    AUTOMANN USA

    Now: $11.24
    Was: $19.26
    4 Inch Bronze Bushing* High Quality Bronze Bushing* 4.00 Inch Length* 1.625 Inch O.D.* 1.375 Inch I.D.* Sold Individually* Warranty On Bronze Bushings Against Defects In Workmanship & Material From...
    09-05250118
    SKU:
    09-05250118
    Truck Class:
    Universal
    Material Options:
    Brass
    Diameter Options:
    4 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $11.24
    Was: $19.26
    Qty in Cart: 0
    Price:
    Now: $11.24
    Was: $19.26
    Subtotal:
  • Replacement Spring, 9/16 x 1 Inch For Model 16 Coupling

    Replacement Spring, 9/16 x 1 Inch For Model 16 Coupling

    PREMIER

    $11.89
    Pin And Clevis Coupling Spring Replacement* High Quality Coupling Spring* 9/16 Inch X 1 Inch* For Pin And Clevis Coupling* Use With Model 16 Coupling * Made In USA* Sold Individually* Warranty On...
    09-051100699
    SKU:
    09-051100699
    Material Options:
    Steel
    Location:
    Made In USA
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $11.89
    Qty in Cart: 0
    Price:
    $11.89
    Subtotal:
  • Lower Front Axle Wrap Replaces 59845000

    Lower Front Axle Wrap Replaces 59845000

    AUTOMANN USA

    $14.00
    Lower Axle Wrap Bottom* High Quality Axle Wrap Bottom * Lower * Front Axle * Sold Individually * Warranty On Axle Wrap Bottoms Against Defects In Workmanship & Material From Date Of Purchase*** High...
    29-05090177
    SKU:
    29-05090177
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    International
    Make:
    Freightliner
    Make:
    Bus
    Make:
    Volvo
    Make:
    Mack
    Product Type:
    Frame & Chassis
    $14.00
    Qty in Cart: 0
    Price:
    $14.00
    Subtotal:
  • FREE SHIPPING OVER $249
    Lower Driver/Passenger Side Adjustable Suspension Control Arm

    Lower Driver/Passenger Side Adjustable Suspension Control Arm

    DAYTON / DORMAN

    $200.99
    Improve suspension stability and alignment with these lower adjustable suspension control arms designed for Freightliner Cascadia models. Available for both driver and passenger sides, these...
    PPR_203417
    SKU:
    PPR_203417
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Color:
    Black
    Material Options:
    Steel
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    Make:
    Dodge
    Make:
    Other - Pickup Truck
    $200.99
    Qty in Cart: 0
    Price:
    $200.99
    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:
  • Front 2 Leaf Parabolic Springs - 6,100 lbs. Capacity For Volvo VNL Gen II

    Front 2 Leaf Parabolic Springs - 6,100 lbs. Capacity For Volvo VNL Gen II

    AUTOMANN USA

    $593.99
    Volvo VNL Gen II Front Leaf Spring - 2 LeavesExperience consistent stability and comfort with the Front 2 Leaf Parabolic Springs for Volvo VNL Gen II, engineered for a 6,100 lbs. capacity. Featuring...
    29-0510110
    SKU:
    29-0510110
    Truck Class:
    Heavy Duty
    Width Options:
    4 Inch
    Length Options:
    58 Inch
    Make:
    Volvo
    Make:
    Mack
    Product Type:
    Frame & Chassis
    $593.99
    Qty in Cart: 0
    Price:
    $593.99
    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
    Ready To Ship:
    Yes
    $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
    Ready To Ship:
    Yes
    $260.99
    Qty in Cart: 0
    Price:
    $260.99
    Subtotal:
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Frequently Asked Questions About Mack R Truck Steer Axle Springs & Hangers

What is the difference between steer axle springs and spring hangers?

Steer axle springs are the leaf spring assemblies that support the front axle and absorb road shock, while spring hangers are the mounting brackets that attach those springs to the truck frame. Both work together to keep the front suspension stable, so wear or damage to either part can affect ride quality, alignment, and steering response.

Will these springs and hangers fit my specific Mack R model?

Mack R Series trucks were built over many years with different front axle capacities and suspension configurations, so fitment can vary by model year and GVW rating. Always check the part number against your truck's original equipment or provide your VIN and axle specs to our sales team before ordering to confirm compatibility.

How do I know if my spring hangers need to be replaced instead of repaired?

Common signs include visible cracks, elongated bolt holes, rust-through, or a hanger that has shifted out of position. If the hanger shows structural damage or excessive wear at the pivot points, replacement is typically recommended over welding or patching, since a compromised hanger can affect steering safety.

Are these springs and hangers new, used, or remanufactured?

Availability depends on the specific part, and we list the condition clearly on each product page, whether it is new aftermarket, new OEM, or a quality-inspected used component. Check the individual listing for condition details, warranty coverage, and any core charge information.

What should I check before installing a new steer axle spring or hanger?

Before installation, inspect related components such as bushings, U-bolts, center bolts, and shackles, since worn hardware nearby can shorten the life of a new spring or hanger. It's also a good practice to have the front end alignment checked after installation, as changes to spring height or hanger position can affect steering geometry.


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