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).
The 2021 Freightliner Cascadia was sold with 6 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
5 brands supply suspension parts for the 2021 Freightliner Cascadia, led by GABRIEL (7 parts), MONROE (6 parts) and HUSKY SPRING (5 parts), plus 2 more brands. Quality grades include Heavy Duty, Original Ride Quality and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Freightliner Cascadia. 4 parts have it, including GABRIEL 85724 (Shock / Strut) and GABRIEL 89443 (Shock / Strut). Each part number opens a page with every vehicle that part fits.
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 | View on Amazon |
| 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 | View on Amazon |
| 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 | View on Amazon |
| 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 | View on Amazon |
| 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 | View on Amazon |
This table covers the leaf springs that locate and support the axle.
HUSKY SPRING supplies the 5 Leaf Spring parts for the 2021 Freightliner Cascadia.
This group includes HUSKY SPRING 461211, HUSKY SPRING 461213 and HUSKY SPRING 461295 and the remaining parts above.
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 | View on Amazon |
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 | View on Amazon |
| GABRIEL Popular Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 89443 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 89000 Series | View on Amazon |
| MONROE Popular Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 66122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Magnum | View on Amazon |
| MONROE Popular Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 65490 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Magnum | View on Amazon |
| GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 89453 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 89000 Series | View on Amazon |
| GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 83396 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 83000 Series | View on Amazon |
| GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 83911 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cab Shock | View on Amazon |
| GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 85200 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 85000 Series | View on Amazon |
| GABRIEL Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 83906 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cab Shock | View on Amazon |
| MONROE Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 66458 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Magnum | View on Amazon |
| MONROE Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 65543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Magnum | View on Amazon |
| MONROE Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | 65530 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Magnum | View on Amazon |
| MONROE Fits: 15.6L L6 DIESEL Turbocharged | 66118 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
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 | View on Amazon |
| 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 | View on Amazon |
| 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 | View on Amazon |
| FCS Fits: 11.9L DIESEL, 15.6L L6 DIESEL Turbocharged | F347260 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith FAS II (40,000 lb) Rear Air Suspension | View on Amazon |
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.
18 Shock / Strut parts are listed for the 2021 Freightliner Cascadia, from GABRIEL, MONROE, FCS and 1 other brand. GABRIEL 85724 carries the "Popular" badge.
In the Economy grade, PRT supplies 1 part: the catalog's value-priced group. A representative part number is PRT 170132.
The Heavy Duty section lists 13 options from GABRIEL and MONROE — rated for severe service. GABRIEL 85724 is listed in this group.
In the Original Ride Quality grade, FCS supplies 4 parts: grouped under the catalog's "Original Ride Quality" designation — the notes column spells out what sets them apart. A representative part number is FCS F347406.
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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