2021 Freightliner Cascadia Suspension Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 23 suspension parts for the 2021 Freightliner Cascadia, across 2 part types, covering all 6 engine options (11.9L DIESEL, 11.9L Turbocharged, 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged and more). Every part shows its brand, manufacturer part number and fitment notes.

On the 2021 Freightliner Cascadia, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links. All 23 listed parts are Shock / Strut (18 parts) and Leaf Spring (5 parts).

Leaf Spring

Brand Part Number Markets Notes Buy
HUSKY SPRING Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 461211
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Leftwith Rear Air Suspension, Hockey Stick, Having Shock Absorbers Using Eye Ring Upper and Lower Mounting, Captive Cross Pin Rubber Bushing Using 3/4" Diameter Bolts To Hanger
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HUSKY SPRING Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 461213
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear RightHaving Rear Air Suspension, Hockey Stick, with Shock Absorbers Using Eye Ring Upper and Lower Mounting, Captive Cross Pin Rubber Bushing Using 3/4" Diameter Bolts To Hanger
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HUSKY SPRING Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 461295
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Leaf Thicknesses From Top Down (inches or MM): 2 Leaves @ 1.890
Fitment notes — HUSKY SPRING 461295
Leaf Thicknesses From Top Down (inches or MM): 2 Leaves @ 1.890
RearTuftrack Suspension, Tandem Axle, 54" Axle Spacing, Two Rear Springs Per Truck
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HUSKY SPRING Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 461297
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Leaf Thicknesses From Top Down (inches or MM): 3 Leaves @ 1.890
Fitment notes — HUSKY SPRING 461297
Leaf Thicknesses From Top Down (inches or MM): 3 Leaves @ 1.890
RearTuftrack Suspension, Tandem Axle, 56" Axle Spacing, Two Rear Springs Per Truck
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HUSKY SPRING Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 461299
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Leaf Thicknesses From Top Down (inches or MM): 3 Leaves @ 1.890 Over 1 Leaf @ 1.250
Fitment notes — HUSKY SPRING 461299
Leaf Thicknesses From Top Down (inches or MM): 3 Leaves @ 1.890 Over 1 Leaf @ 1.250
RearTuftrack Suspension, Tandem Axle, 56" Axle Spacing, Two Rear Springs Per Truck
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This table covers the leaf springs that locate and support the axle.

Shock / Strut

Economy

Brand Part Number Markets Notes Buy
PRT Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 170132
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearShock Are 1.75 (In) Bore Diameter
Fitment notes — PRT 170132
RearShock Are 1.75 (In) Bore Diameterwith FAS II Airliner Suspension
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Heavy Duty

Brand Part Number Markets Notes Buy
GABRIEL Popular Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 85724
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
85000 Series
Fitment notes — GABRIEL 85724
85000 Series
Fits:
RearModels with FAS II (40,000 lb) Rear Air Suspension16-15817-000
or:
RearModels with FAS II (40,000 lb) Rear Air Suspension16-18708-000
or:
RearModels with FAS II (40,000 lb) Rear Air Suspension471700002809
or:
RearModels with FAS II (40,000 lb) Rear Air Suspension481700006848
or:
RearModels with FAS II (40,000 lb) Rear Air SuspensionSDA471700002809
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GABRIEL Popular Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 89443
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
89000 Series
Fitment notes — GABRIEL 89443
89000 Series
Fits:
RearModels with FAS II (40,000 lb) Rear Air Suspension16-15817-000
or:
RearModels with FAS II (40,000 lb) Rear Air Suspension16-18708-000
or:
RearModels with FAS II (40,000 lb) Rear Air Suspension471700002809
or:
RearModels with FAS II (40,000 lb) Rear Air Suspension481700006848
or:
RearModels with FAS II (40,000 lb) Rear Air SuspensionSDA471700002809
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MONROE Popular Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 66122
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Magnum
Fitment notes — MONROE 66122
Magnum
Cabwith 1/2 (In) Top Mounting Holeswith 72 (In) High-Roof Sleeper Cab
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MONROE Popular Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 65490
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Magnum
Fitment notes — MONROE 65490
Magnum
Rearwith 40,000 (lb) FAS II Airliner Air SuspensionShock Absorbers Are 1.75 (In) Bore Diameter
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GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 89453
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
89000 Series
Fitment notes — GABRIEL 89453
89000 Series
Fits:
FrontModels with Hendrickson Front Airtek471700006269
or:
FrontModels with Hendrickson Front Airtek471700131331
or:
FrontModels with Hendrickson Front Airtek58913-003L
or:
FrontModels with Hendrickson Front Airtek58913-012L
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GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 83396
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
83000 Series
Fitment notes — GABRIEL 83396
83000 Series
Fits:
Front116 Models with 12000 To 13300 LB Taper Leaf Front Suspension10-14193-000
or:
Front116 Models with 12000 To 13300 LB Taper Leaf Front Suspension10-14282-000
or:
Front116 Models with 12000 To 13300 LB Taper Leaf Front Suspension10-14317-000
or:
Front116 Models with 12000 To 13300 LB Taper Leaf Front SuspensionA90193
or:
Front116 Models with 12000 To 13300 LB Taper Leaf Front SuspensionX9007009-73
or:
Front126 Models with 12000 To 13300 LB Taper Leaf Front Suspension10-14193-000
or:
Front126 Models with 12000 To 13300 LB Taper Leaf Front Suspension10-14282-000
or:
Front126 Models with 12000 To 13300 LB Taper Leaf Front Suspension10-14317-000
or:
Front126 Models with 12000 To 13300 LB Taper Leaf Front Suspension10-14339-000
or:
Front126 Models with 12000 To 13300 LB Taper Leaf Front SuspensionA90193
or:
Front126 Models with 12000 To 13300 LB Taper Leaf Front SuspensionX9007009-73
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GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 83911
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Cab Shock
Fitment notes — GABRIEL 83911
Cab Shock
Fits:
CabCascadia 126 Day Cab or Sleeper cabs with 12 mm Top mounting bolt18-73207-000
or:
CabCascadia 126 Day Cab or Sleeper cabs with 12 mm Top mounting bolt814903018451
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GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 85200
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
85000 Series
Fitment notes — GABRIEL 85200
85000 Series
Fits:
FrontModels with Hendrickson Airtek NXT Front58913-015
or:
FrontModels with Hendrickson Airtek NXT FrontHDR 58913 015
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GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 83906
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Cab Shock
Fitment notes — GABRIEL 83906
Cab Shock
Fits:
CabDay Cab or Sleeper cabs with OEM Number and 12 mm Top mounting bolt18-67845-000
or:
CabDay Cab or Sleeper cabs with OEM Number and 12 mm Top mounting bolt18-69674-000
or:
CabDay Cab or Sleeper cabs with OEM Number and 12 mm Top mounting bolt814903012666
or:
CabDay Cab or Sleeper cabs with OEM Number and 12 mm Top mounting bolt814903015188
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MONROE Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 66458
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Magnum
Fitment notes — MONROE 66458
Magnum
Frontwith 12,000 (LB) - 13,300 (LB) Tapered Leaf springsShock Absorbers Are 1.38 (In) Bore Diameter
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MONROE Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 65543
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Magnum
Fitment notes — MONROE 65543
Magnum
Rearwith 38S Air Ride Air SuspensionShock Absorbers Are 1.75 (In) Bore Diameter
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MONROE Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged 65530
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Magnum
Fitment notes — MONROE 65530
Magnum
FrontHendrickson Airtek Front SuspensionShock Absorbers Are 1.75 (In) Bore Diameter
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MONROE Fits: 15.6L L6 DIESEL Turbocharged 66118
🇺🇸 US 🇨🇦 CA
Magnum
Fitment notes — MONROE 66118
Magnum
Cabwith Day Cabwith Sleeper Cab
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Original Ride Quality

Brand Part Number Markets Notes Buy
FCS Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged F347406
🇺🇸 US 🇨🇦 CA
FrontReplaces OE# 1014282000, 1014193000, 1014317000
Fitment notes — FCS F347406
FrontReplaces OE# 1014282000, 1014193000, 1014317000with 12,000-13,300 lbs Tapered Leaf springs
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FCS Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged F347272
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Frontwith Hendrickson Front Airtek OEM Numbers 471700006269, 471700131331, 58913003, 58913003L, 58913012, 58913012L
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FCS Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged F347344
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
CabDay Cab or Sleeper cabs with 12 mm Top Mounting Bolt, OEM Number 1867845000, 1869674000, 814903012666, 814903015188
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FCS Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged F347260
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rearwith FAS II (40,000 lb) Rear Air Suspension
Fitment notes — FCS F347260
Rearwith FAS II (40,000 lb) Rear Air SuspensionOEM #'S 1615817000, 1618708000, 471700002809, 481700006848, SDA471700002809
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This table covers the shocks and struts that damp wheel motion. Typical signs include a nose that keeps bouncing, cupped tires, or fluid weeping down the body. Replace shocks or struts in axle pairs and renew the mounts if they are torn or collapsed.

Buying Suspension Parts for a 2021 Freightliner Cascadia

On this vehicle, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.

  • Match the engine first. Every suspension part here is engine-specific; each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace shocks and struts in axle pairs, renew the sway-bar links with the struts, and get an alignment after any control-arm or tie-rod work.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Shock / Strut and Leaf Spring .

Frequently Asked Questions

How many suspension parts fit the 2021 Freightliner Cascadia?

Our catalog currently lists 23 suspension parts for the 2021 Freightliner Cascadia across 2 subcategories and 5 brands, covering all 6 engine options (11.9L DIESEL, 11.9L Turbocharged, 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged and more). Each part is matched to the engine(s) it fits.

Do suspension parts differ between 2021 Freightliner Cascadia engines?

Yes. Every suspension part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of suspension problems on a 2021 Freightliner Cascadia?

Common symptoms include clunks over speed bumps, wandering steering, cupped tire wear, or a nose that keeps bouncing after a dip. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace shocks and struts in axle pairs, renew the sway-bar links with the struts, and get an alignment after any control-arm or tie-rod work.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Freightliner Cascadia was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2021 Freightliner Cascadia?

First match the engine — each row shows which engine(s) the part fits. Then worn bushings often mimic bad shocks — inspect before buying, and remember loaded vs unloaded strut assemblies differ in labor by hours. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2021 Freightliner Cascadia

Suspension Parts for Other Freightliner Cascadia Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.