25 Suspension parts are listed for the 2018 Freightliner 122SD, in 2 part types, covering all 4 engine options (12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 Freightliner 122SD, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links. All 25 listed parts are Shock / Strut (20 parts) and Leaf Spring (5 parts).
The 2018 Freightliner 122SD was sold with 4 engines. All 25 parts on this page fit every engine.
The most listed brands for 2018 Freightliner 122SD suspension parts are MONROE (8 parts), GABRIEL (6 parts) and HUSKY SPRING (5 parts), plus 2 more brands. Quality grades include Heavy Duty, Original Ride Quality and Economy.
4 parts on this 2018 Freightliner 122SD page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GABRIEL 85724 (Shock / Strut) and GABRIEL 89443 (Shock / Strut). Click any part number to see every vehicle that part fits.
Leaf Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HUSKY SPRING Fits: all 2018 122SD engines | 461211 | 🇺🇸 US 🇨🇦 CA | 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: all 2018 122SD engines | 461213 | 🇺🇸 US 🇨🇦 CA | 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: all 2018 122SD engines | 461295 | 🇺🇸 US 🇨🇦 CA | Leaf Thicknesses From Top Down (inches or MM): 2 Leaves @ 1.890 | View on Amazon |
| HUSKY SPRING Fits: all 2018 122SD engines | 461297 | 🇺🇸 US 🇨🇦 CA | Leaf Thicknesses From Top Down (inches or MM): 3 Leaves @ 1.890 | View on Amazon |
| HUSKY SPRING Fits: all 2018 122SD engines | 461299 | 🇺🇸 US 🇨🇦 CA | 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.
5 Leaf Spring parts for the 2018 Freightliner 122SD come from HUSKY SPRING. Every part fits all 4 engine options (12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL).
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: all 2018 122SD engines | 170132 | 🇺🇸 US 🇨🇦 CA | RearReplaces OE # 680611, 1615817000, 1618708000 | View on Amazon |
| PRT Fits: all 2018 122SD engines | 170133 | 🇺🇸 US 🇨🇦 CA | RearReplaces OE # 665174 | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GABRIEL Popular Fits: all 2018 122SD engines | 85724 | 🇺🇸 US 🇨🇦 CA | 85000 Series | View on Amazon |
| GABRIEL Popular Fits: all 2018 122SD engines | 89443 | 🇺🇸 US 🇨🇦 CA | 89000 Series | View on Amazon |
| MONROE Popular Fits: all 2018 122SD engines | 65148 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Popular Fits: all 2018 122SD engines | 65490 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| GABRIEL Fits: all 2018 122SD engines | 83143 | 🇺🇸 US 🇨🇦 CA | 83000 Series | View on Amazon |
| GABRIEL Fits: all 2018 122SD engines | 85958 | 🇺🇸 US 🇨🇦 CA | 85000 Series | View on Amazon |
| GABRIEL Fits: all 2018 122SD engines | 83142 | 🇺🇸 US 🇨🇦 CA | 83000 Series | View on Amazon |
| GABRIEL Fits: all 2018 122SD engines | 83906 | 🇺🇸 US 🇨🇦 CA | Cab Shock | View on Amazon |
| MONROE Fits: all 2018 122SD engines | 66122 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 122SD engines | 65526 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 122SD engines | 66465 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 122SD engines | 65507 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 122SD engines | 65508 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 122SD engines | 66464 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
Original Ride Quality
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FCS Fits: all 2018 122SD engines | F347232 | 🇺🇸 US 🇨🇦 CA | Frontwith 12000 To 16000 LB Front Axle and Taper Leaf Spring | View on Amazon |
| FCS Fits: all 2018 122SD engines | F347344 | 🇺🇸 US 🇨🇦 CA | CabSevere Duty | View on Amazon |
| FCS Fits: all 2018 122SD engines | F347260 | 🇺🇸 US 🇨🇦 CA | Rearwith FAS II (40,000 lb) Rear Air Suspension | View on Amazon |
| FCS Fits: all 2018 122SD engines | F347274 | 🇺🇸 US 🇨🇦 CA | Rearwith Freightliner Tuftrac 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.
20 Shock / Strut parts for the 2018 Freightliner 122SD come from 4 brands — MONROE, GABRIEL, FCS and 1 other brand. The "Popular" part is GABRIEL 85724. Every part fits all 4 engine options (12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL).
The Economy section lists 2 options from PRT — the catalog's value-priced group. PRT 170132 is listed in this group.
In the Heavy Duty grade, MONROE and GABRIEL supply 14 parts: rated for severe service. A representative part number is GABRIEL 85724.
The Original Ride Quality section lists 4 options from FCS — grouped under the catalog's "Original Ride Quality" designation — the notes column spells out what sets them apart. FCS F347232 is listed in this group.
Buying Suspension Parts for a 2018 Freightliner 122SD
On this vehicle, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.
- You do not need to pick an engine: every suspension part on this page fits all 4 engine options (12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL).
- 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 2018 Freightliner 122SD?
Our catalog currently lists 25 suspension parts for the 2018 Freightliner 122SD across 2 subcategories and 5 brands, covering all 4 engine options (12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL). Each part is matched to the engine(s) it fits.
Do suspension parts differ between 2018 Freightliner 122SD engines?
No. On this page every suspension part fits all 4 engine options (12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL). You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of suspension problems on a 2018 Freightliner 122SD?
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 2018 Freightliner 122SD 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 2018 Freightliner 122SD?
Every part on this page already fits all 4 engine options (12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL). 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 2018 Freightliner 122SD
Suspension Parts for Other Freightliner 122SD Years
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