null

Mack R Truck Steer Axle Springs & Hangers

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Rear Rebound Roller - 58631-000. 58631000 For Hendrickson

    Rear Rebound Roller - 58631-000. 58631000 For Hendrickson

    AUTOMANN USA

    $8.80
    3.25 Inch Hendrickson Rebound Roller* High Quality Rebound Roller* Dimensions:  - 3.25 Inch Length  - 1.07 Inch O.D.  - 0.535 Inch I.D.* Made In USA* Sold Individually* Warranty On Rebound Rollers...
    29-05100179
    SKU:
    29-05100179
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $8.80
    Qty in Cart: 0
    Price:
    $8.80
    Subtotal:
  • Leaf Spring Repair Plate 15/32 CBH 2.5 X 0.323 - 60 Inch OAL W/ 5.187 Inch Arch

    Leaf Spring Repair Plate 15/32 CBH 2.5 X 0.323 - 60 Inch OAL W/ 5.187 Inch Arch

    AFTERMARKET

    $61.99
    Leaf Spring Repair Plate 15/32 CBH* High Quality Repair Plate* Dimensions:  - 2 1/2 Inch Plate Width  - 0.323 Inch Plate Thickness  - 30 Inch Divided Length A And B  - 60 Inch Overall Length  - 5.187...
    29-05100227
    SKU:
    29-05100227
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Center Bushing With Welded Plug For Hendrickson 380-480 Series W/ T-Rods

    Center Bushing With Welded Plug For Hendrickson 380-480 Series W/ T-Rods

    AFTERMARKET

    $165.99
    Hendrickson Center Bushing Replaces 5919-000, F184204* High Quality Bushing* Dimensions:  - 2 1/2 Inch ID   - 4.75 Inch OD   - 12 Inch Length* Welded Plug* Made In USA* Sold Individually* Warranty On...
    29-05100186
    SKU:
    29-05100186
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    12 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $165.99
    Qty in Cart: 0
    Price:
    $165.99
    Subtotal:
  • Rear Single Leaf Radius Rod Replaces 52229, 53096, 8086648 For Volvo VNL Gen II 2004 - 2006

    Rear Single Leaf Radius Rod Replaces 52229, 53096, 8086648 For Volvo VNL Gen II 2004 - 2006

    AFTERMARKET

    $184.99
    Tapered Leaf Spring Assembly w/ Radius RodEnsure smooth, controlled rear axle movement with the Rear Single Leaf Radius Rod. This high-quality single-leaf rod helps maintain proper suspension...
    29-05100142
    SKU:
    29-05100142
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $184.99
    Qty in Cart: 0
    Price:
    $184.99
    Subtotal:
  • Rear 12 Leaf Spring 12/PD - 15,500 Lbs. Capacity

    Rear 12 Leaf Spring 12/PD - 15,500 Lbs. Capacity

    AFTERMARKET

    $919.99
    Rear Leaf Spring 12/PD - 12 Leaves* High Quality Leaf Spring* 4 Inch Width* 17 1/16 Inch S.E.* 28 3/4 Inch I.E.* 2-3/4 Inch Arch* Spring Type- Multi Leaf Spring* Spring Eye-1* Number Of Leaves- 12*...
    29-05100152
    SKU:
    29-05100152
    Product Type:
    Frame & Chassis
    $919.99
    Qty in Cart: 0
    Price:
    $919.99
    Subtotal:
  • Rear Load Cushion - 60 Durometer For Hendrickson RS 340-400 Series

    Rear Load Cushion - 60 Durometer For Hendrickson RS 340-400 Series

    AFTERMARKET

    $185.99
    Hendrickson Load Cushion Suspension* High Quality Load Cushion* Dimensions:  - 3 Inch Hole Size  - 3.937 Inch Height  - 12 Inch Overall Length* 60 Durometer* Made In USA* Sold Individually* Warranty...
    29-05100137
    SKU:
    29-05100137
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $185.99
    Qty in Cart: 0
    Price:
    $185.99
    Subtotal:
  • Rear Load Cushion Kit With Tie-Bars & Weight Bias For Hendrickson Haulmaxx

    Rear Load Cushion Kit With Tie-Bars & Weight Bias For Hendrickson Haulmaxx

    AFTERMARKET

    $236.99
    Hendrickson Haulmaxx Load Cushion Kit With Tie-Bar Bolsters* High Quality Load Cushion Kit* With Tie-Bar Bolsters* One Set* Weight Bias Kit* Made In USA* Sold Individually* Warranty On Load Cushion...
    29-05100138
    SKU:
    29-05100138
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $236.99
    Qty in Cart: 0
    Price:
    $236.99
    Subtotal:
  • Rear 12 Leaf Spring - 15,500 Lbs. Capacity For Hendrickson

    Rear 12 Leaf Spring - 15,500 Lbs. Capacity For Hendrickson

    AFTERMARKET

    $835.99
    Rear Leaf Spring - 12 Leaves Replaces 45068* High Quality Leaf Spring* 4 Inch Width * 17 1/16 Inch S.E.* 20 11/16 Inch L.E.* 3 1/4 Inch Arch* Spring Type- Multi- Leaf Spring* Spring Eye- 1* Number Of...
    29-05100130
    SKU:
    29-05100130
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $835.99
    Qty in Cart: 0
    Price:
    $835.99
    Subtotal:
  • Rear 12 Leaf Spring - 20,000 Lbs. Capacity For Hendrickson

    Rear 12 Leaf Spring - 20,000 Lbs. Capacity For Hendrickson

    AFTERMARKET

    $775.99
    Rear Leaf Spring - 12 Leaves Replaces 45322, 45322000, 4Qk3371* High Quality Leaf Spring* 4 Inch Width* 17 Inch S.E.* 28 1/2 Inch L.E.* 2 1/8 Inch Arch* Spring Type- Multi- Leaf Spring* Spring Eye-...
    29-05100127
    SKU:
    29-05100127
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $775.99
    Qty in Cart: 0
    Price:
    $775.99
    Subtotal:
  • Bump Stop Bushing 90 MM OD X 92 MM OAL

    Bump Stop Bushing 90 MM OD X 92 MM OAL

    DAYTON / DORMAN

    $46.47
    Leaf Spring Bumper Replaces 15574846 And 8155748460This leaf spring bumper undergoes rigorous testing to ensure a reliable replacement for the original equipment on specific vehicles. You can use it...
    29-05250051
    SKU:
    29-05250051
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $46.47
    Qty in Cart: 0
    Price:
    $46.47
    Subtotal:
  • Center Beam Bushing 2.5 ID X 4 .75 OD X 12 Inch

    Center Beam Bushing 2.5 ID X 4 .75 OD X 12 Inch

    AFTERMARKET

    $201.99
    Center Beam Bushing With End Loose Plug* High Quality Bushing* Dimensions:  - 2.5 Inch ID   - 4.75 Inch OD  - 12 Inch Length* Includes Bushing End Loose Plug* Made In USA* Sold Individually* Warranty...
    29-05100190
    SKU:
    29-05100190
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    12 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $201.99
    Qty in Cart: 0
    Price:
    $201.99
    Subtotal:
  • Single Leaf Parabolic Spring - 12-14,600 lbs. Capacity

    Single Leaf Parabolic Spring - 12-14,600 lbs. Capacity

    AFTERMARKET

    $665.99
    Mack, Volvo Leaf Spring - 1 Leaf* High Quality Parabolic Leaf Spring* 4 Inch Width* 27 5/16 S.E.* 32 1/8 L.E.* 4 7/8 Arch* Spring Eye- 2* Number Of Leaves- Single* (2) Silent Block (Included)* Made...
    29-05090044
    SKU:
    29-05090044
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Volvo
    Product Type:
    Frame & Chassis
    $665.99
    Qty in Cart: 0
    Price:
    $665.99
    Subtotal:
  • End Beam Bushing 2-1/2 Inch ID x 4-3/8 Inch OD x 5-1/4 Inch

    End Beam Bushing 2-1/2 Inch ID x 4-3/8 Inch OD x 5-1/4 Inch

    AFTERMARKET

    $89.99
    Hendrickson End Beam Bushing* High Quality Beam Bushing* Rubber* Dimensions:  - 2 1/2 Inch ID   - 4 3/8 Inch OD   - 5 1/4 Length  - 3 1/2 Inch Sleeve* Made In USA* Sold Individually* Warranty On Beam...
    29-05100184
    SKU:
    29-05100184
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • Rear Load Cushion - 70 Durometer For Hendrickson RS 460-520/ 650/ 850/100/1200 Series.

    Rear Load Cushion - 70 Durometer For Hendrickson RS 460-520/ 650/ 850/100/1200 Series.

    AFTERMARKET

    $150.99
    Hendrickson Load Cushion Suspension* High Quality Load Cushion* Dimensions:  - 3.00 Inch Hole Size   - 3.937 Inch Height  - 12.00 Inch Overall Length* 70 Durometer* Made In USA* Sold Individually*...
    29-05100139
    SKU:
    29-05100139
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $150.99
    Qty in Cart: 0
    Price:
    $150.99
    Subtotal:
  • Rear 12 Leaf Spring 12/PD - 25,000 Lbs. Capacity

    Rear 12 Leaf Spring 12/PD - 25,000 Lbs. Capacity

    AFTERMARKET

    $778.99
    Rear 12 Leaf Spring 12/PD* High Quality Leaf Spring* 4 Inch Width* 17 Inch S.E.* 20 3/8 Inch L.E.* 2 13/16 Inch Arch* Spring Type- Multi-Leaf Spring* Number Of Leaves- 12* Capacity- 25000* Bronze...
    29-05100133
    SKU:
    29-05100133
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $778.99
    Qty in Cart: 0
    Price:
    $778.99
    Subtotal:
  • Rear 10 Leaf Spring - 15,500 lbs. Capacity For Hendrickson

    Rear 10 Leaf Spring - 15,500 lbs. Capacity For Hendrickson

    AFTERMARKET

    $626.99
    Hendrickson Leaf Spring -10 Leaves Replaces Part 45027* High Quality Leaf Spring* 4 Inch Width* 17 1/16 Inch S.E.* 20 11/16 Inch L.E.* 3-1/4 Inch Arch* Spring Eye- 1* Number Of Leaves- 10* Capacity-...
    29-05100125
    SKU:
    29-05100125
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $626.99
    Qty in Cart: 0
    Price:
    $626.99
    Subtotal:
  • Leaf Spring Repair Plate 2-1/2 X 0.447 X 60 Inch W/ 6 Inch Arch

    Leaf Spring Repair Plate 2-1/2 X 0.447 X 60 Inch W/ 6 Inch Arch

    AFTERMARKET

    $85.99
    Spring Steel Repair Plate With No Center Hole* High Quality Repair Plate* Dimensions:  - 2 1/2 Inch Plate Width  - 0.447 Inch Plate Thickness  - 60 Inch Overall Length  - 5.187 Inch Arch* Spring...
    29-05100216
    SKU:
    29-05100216
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • Axle King Pin Bushing Service Set Replaces 60961628 For Hendrickson NXT

    Axle King Pin Bushing Service Set Replaces 60961628 For Hendrickson NXT

    AFTERMARKET

    $122.99
    Hendrickson NXT King Pin Bushing Service KitKeep your Hendrickson NXT suspension system operating smoothly with the Axle King Pin Bushing Service Set. This set includes driver and passenger side...
    29-05090094
    SKU:
    29-05090094
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Mack
    Make:
    Bus
    Make:
    Volvo
    Make:
    Sterling
    Product Type:
    Frame & Chassis
    $122.99
    Qty in Cart: 0
    Price:
    $122.99
    Subtotal:
  • End Beam Bushing 70 Duro - 2-1/2 ID x 4-3/8 OD x 5-1/4 Inch

    End Beam Bushing 70 Duro - 2-1/2 ID x 4-3/8 OD x 5-1/4 Inch

    AFTERMARKET

    $59.99
    End Beam Bushing With 3-1/2 Inch Sleeve* High Quality End Beam Bushing* Rubber* Dimensions:  - 2 1/2 Inch ID   - 4 3/8 Inch OD   - 5 3/4 Inch Length  - 4 1/4 Inch Sleeve* Made In USA* Sold...
    29-05100185
    SKU:
    29-05100185
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Rear 12 Leaf Spring 12/PD - 22,400 Lbs. Capacity

    Rear 12 Leaf Spring 12/PD - 22,400 Lbs. Capacity

    AFTERMARKET

    $678.99
    Rear Leaf Spring 12/PD* High Quality Leaf Spring* 4 Inch Width* 17 1/16 S.E. * 20 11/16 I.E.* 2 1/2 Inch Arch* Spring Type- Multi-Leaf Spring* Spring Eye- 1* Number Of Leaves- 12* Capacity- 22400 Lbs...
    29-05100154
    SKU:
    29-05100154
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $678.99
    Qty in Cart: 0
    Price:
    $678.99
    Subtotal:
  • Total: items /

Adding your products to cart

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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!