Leaf Spring Hangers

Replacement leaf spring hangers for heavy duty trucks and trailers are designed specifically for your make, model and year of your truck. High quality direct OEM replacement suspension parts.

Found 159 Matching Products
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  1. Leaf Spring Hanger
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  1. Hanger Mount Kit
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Volvo-White Hanger M1967
SKU M1967
$158.78

Leaf spring hanger for Volvo-White late model Air Ride suspensions. Fits the left hand for front of rear spring applications. Uses MVV15 wear pad.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Volvo-White
  • Location:Front of Rear
  • Automann Number:M1967
  • Volvo / White Number:8085844, 8082421, 8079888 Cast#
  • Note:Left Hand.
  • UPC: 889626110672
  • MPN: M1967
Leaf Spring Straddle Mount | Fruehauf | Rear MF746
SKU MF746
$250.18

Fruehauf rear straddle mount hanger MF746 fits Fruehauf F-Series trailers, F2 narrow. Replaces Fruehauf part number UCF002471001 and UCF-2471-001.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Fruehauf
  • Location:Rear
  • Automann Number:MF746
  • Batco Number:09-2011
  • Dayton Number:338-109
  • Flagg Number:FR250
  • Fruehauf Number:UCF002471001
  • UPC: 889626100987
  • MPN: MF746
Leaf Spring Hanger | Hendrickson MI17178
SKU MI17178
$135.25

Leaf spring hanger assembly for Hendrickson suspensions. Special-tractors adapted for 5th wheel side rail, 5/8 inch frame holes. Replaces 503183C1.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Hendrickson
  • Automann Number:MI17178
  • Hendrickson Number:503183C1
  • International Number:503183C1
  • UPC: 889626102776
  • MPN: MI17178
Kenworth Hanger Mount Kit MK16929
SKU MK16929
$193.25

Leaf spring hanger mount kit for Kenworth Airglide 100 suspensions. Kit includes six 20mm-2.5 X 90mm bolts, two 20mm-2.   Details

Availability: Typically ships in 2 to 3 business days.
  • Application:Kenworth
  • Note:Airglide 100
  • MPN: MK16929
Kenworth Hanger MK16944
SKU MK16944
$96.35

Leaf spring hanger for Kenworth T300 with OGB-RNK bushing. Fits rear of front spring applications. Uses M5308 shackle pin and M1225 steel side bar.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Kenworth
  • Location:Rear of Front
  • Automann Number:MK16944
  • Dayton Number:338-1835
  • Flagg Number:E870-59, 05160
  • Kenworth Number:K056595, K056-595, K056596, K056-596
  • Note:Uses M5308 shachle pin and M1225 steel side bar.
  • UPC: 889626107399
  • MPN: MK16944
Kenworth Hanger Mount Kit MK16946
SKU MK16946
$109.04

Leaf spring hanger mount kit for Kenworth Airglide 200/400 suspensions. Use with MK16918 aluminum center frame bracket.   Details

Availability: Typically ships in 2 to 3 business days.
  • Application:Kenworth
  • Note:Use with MK16918 Aluminum Center Frame Bracket.
  • MPN: MK16946
Leaf Shackle Hanger | Western Star | Rear of Front MW16892
SKU MW16892
$112.73

Leaf spring hanger MW16892 for Western Star current model trucks. Fits left hand side rear of front spring applications.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Western Star
  • Location:Rear of Front
  • Automann Number:MW16892
  • Western Star Number:49039856, 9039856
  • UPC: 889626110900
  • MPN: MW16892
Leaf Shackle Hanger | Western Star | Rear of Front MW16894
SKU MW16894
$112.80

Leaf spring hanger MW16894 for Western Star current model trucks. Fits right hand side rear of front spring applications.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Western Star
  • Location:Rear of Front
  • Automann Number:MW16894
  • Western Star Number:49039857, 9039857
  • UPC: 889626110962
  • MPN: MW16894
Leaf Shackle Hanger | Western Star | Front of Front | Left MW16914
SKU MW16914
$159.99

Leaf spring hanger MW16914 for Western Star current model trucks. Fits left hand side front of front spring applications.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Western Star
  • Location:Front of Front
  • Automann Number:MW16914
  • Western Star Number:9039854, 049039854
  • UPC: 889626110894
  • MPN: MW16914
Leaf Shackle Hanger | Western Star | Front of Front | Right MW16916
SKU MW16916
$159.99

Leaf spring hanger MW16916 for Western Star current model trucks. Fits right hand side front of front spring applications.   Details

Availability: Typically ships in 3 to 4 business days.
  • Application:Western Star
  • Location:Front of Front
  • Automann Number:MW16916
  • Western Star Number:49039855
  • UPC: 889626110948
  • MPN: MW16916
Hutch Equalizer Hanger - Center M8296
SKU 7702-02
$39.83

Leaf spring equalizer for Hutch H7700 suspensions. 49 inch - 54-1/2 inch suspensions. Center undermount position. Two 3/4 inch equalizer bolt holes.   Details

5 In Stock as of October 22, 2020 8:53 AM EST.
  • Application:Hutch
  • Location:Center
  • Automann Number:M8296
  • Batco Number:09-3254
  • Dayton Number:338-454
  • Euclid Number:E2914
  • Flagg Number:H164
  • Hutch Number:770202
  • Meritor Number:R302914
  • Midland Number:CS71186B
  • MPN: 7702-02
Hutch Leaf Spring Hanger - Rear M8292
SKU 7703-01
$38.82

Leaf spring hanger for Hutch H7700, H9700, H and CH 7600, 7650, 9600 49 - 54-1/2 inch, 60 inch, 72 inch and Great Dane Model H trailer suspensions.   Details

2 In Stock as of October 22, 2020 10:43 AM EST.
  • Application:Hutch
  • Application:Great Dane
  • Location:Rear
  • Automann Number:M8292
  • Batco Number:09-3256
  • Dayton Number:338-455
  • Euclid Number:E2912A
  • Flagg Number:H165
  • Hutch Number:770301
  • Meritor Number:R302912A
  • Midland Number:CS71187B
  • Note:Uses SRL01 roller assembly kit.
  • UPC: 889626104961
  • MPN: 7703-01

Semi-Truck and Trailer Leaf Spring Hangers

Leaf spring hangers on heavy-duty trucks and trailers play a critical role in the function of the suspension systems. The leaf spring hangers act as frame attachment points for the leaf springs and leaf spring shackles on heavy-duty trucks. On heavy-duty trailers, the hangers will retain the springs with rebound bolts and allow them to change their length by sliding along wear pad areas designed into the hanger since most heavy-duty trailer suspensions use slipper springs. Carrying heavy loads over long distances takes its toll on the entire suspension system, but the spring hangers can often be overlooked until they fail or have so much wear that they are causing problems. Since spring hangers on heavy-duty vehicles experience high amounts of wear, it is far more common to replace while changing leaf springs or performing other suspension repairs.

Heavy Duty Truck Leaf Spring hangers

Most Heavy-duty trucks use hardened steel pins to attach the leaf springs to the hangers and shackles. These spring pins are greaseable using zircs in the ends of the pins, and the pins may be smooth sided or threaded. The main point of wear on leaf spring hangers is at the surfaces that the spring pin and the hanger interact. As the suspension moves the pins should glide on a layer of grease but if maintenance is not kept up the grease layer may not be adequate, and the pins will begin to wear into the hanger or the spring hanger bushings. Many hangers will have a replaceable bi-metal bushing like heavy-duty leaf springs, but on some hangers, the wear may be so severe that the bushing is worn through. When a bushing is worn through the hanger must be replaced. Hangers that do not have bushings are more susceptible to spring pin wear because the grease layer is the only protection that the hanger has from wear. Wear in the hangers will weaken the structure of the hanger and will leave excessive play in the spring pin and hanger. This can allow the suspension to move and cause alignment issues with abnormal tire wear.

leaf spring hanger

Other trucks may use rubber hanger and leaf spring bushings. Rubber can be smoother riding compared to brass bushings, but it is susceptible to dry rot and damage from oil contamination. Rubber bushings will have an inner sleeve, or a solid steel pin vulcanized to the center. Both the steel sleeve and the built- in pin may experience wear and tear over time and need to be replaced. Allowing a rubber leaf spring hanger bushing to wear excessively may require the entire hanger to be replaced if it is damaged.

leaf spring bushings

How to Identify Leaf Spring Hangers?

Leaf spring hangers on heavy-duty trucks are bolted on or riveted to the frame from the factory. A bolted-on hanger can be unbolted and replaced where a riveted hanger will need to have the rivets drilled for removal and replaced with bolts. When replacing heavy-duty truck hangers, it is essential to correctly identify the replacement to ensure that the installation goes smoothly. When looking for replacement hangers, several areas should be considered to confirm the replacement you order will fit.

casting numbers

Many manufacturers will include an identifying number that is cast into the hanger when it is produced. If a clear casting number is present, this can be useful in the search for a replacement. Measurements should still be taken to verify that replacements for that casting match.

leaf spring hanger casting numbers

Measuring the hanger

Familiarize yourself with your truck and the suspension system that it uses to make finding a replacement easier. Taking measurements of the hanger and knowing the suspension system the hanger is used on can make finding a replacement much more straightforward, even without any part numbers.

leaf spring hanger measurements
  • Mounting hole spacing and size ā€“ Measuring center to center on all mounting holes, take note of the distance between them vertically and horizontally. Due to space restrictions on truck frames, holes will not be evenly spaced. There will be holes on the face of the frame, but there may also be a flange that sits on the bottom of the frame for support that can also have mounting holes.
  • Spring pinhole size- Leaf spring hangers may directly interact with the spring pin, or they may use a bushing. The spring pin size or the size of the bushing will be essential to make sure that the hanger is compatible with the spring and pin.

OEM part numbers from dealer sources

In some cases where the truck is being used and not available for identification and measurement, it may be necessary to call your dealer and get replacement part numbers for the hanger. Most OEM numbers can be cross-referenced to aftermarket replacements even when the dealer may have discontinued the part.

Heavy-Duty Trailer Leaf spring hangers are made from cast steel or fabricated from heavy gauge steel plate, and they will be welded to the frame with very few trailer hangers being bolt-on. Trailer suspensions will typically use slipper type leaf springs, so the hangers on trailers differ from truck hangers. The leaf spring hangers on the trailer must retain the springs and allow them to slide along the hanger as they change length. The action of steel leaf springs sliding over the wear pad areas of the hanger will slowly cause wear of both the spring and hanger. As these items wear, they will need to be replaced.

Different Types of Leaf Spring Hangers

When choosing a trailer leaf spring hanger, it is essential to know what suspension system your trailer is using and the mounting style of the hanger. Trailer hangers can have three different frame mounting styles:

Under-mount

Hangers that are under-mounted will have a flat plate across the top that will rest against the bottom of the trailer frame where they will be welded. They are called undermount since they are entirely under the frame.

under mount leaf spring hanger

Straddle mount

Spring hangers that straddle mount will straddle the frame and be welded on the inside and outside of the frame. In some applications you will be able to move the hanger up and down the frame to adjust the final mounting height.

straddle mount leaf spring hanger

Flange mount

Flange mount hangers are a mix of under mount and side mount and have an ā€œLā€ shaped mounting plate. The mounting plate will wrap around the side of the frame and install on the side and the bottom of the frame. Flange mount hangers can be bolt-on, weld-on, or a mixture of both.

flange mount leaf spring hanger

It will also be essential to take some measurements when replacing trailer leaf spring hangers and compare them with the measurements that we list on our website. Simple hangers may only have a few sizes but with more complicated spring hangers the number of measurements listed will increase. Just like truck hangers, using OEM part numbers can also be helpful when looking for replacement hangers as well as casting numbers on the hangers themselves. If you need help finding replacement hangers for your HD truck or trailer, please give us a call at 1-800-358-4751 or reach out to us at TruckSpring.com


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