This page lists 37 suspension parts for the 2018 Freightliner MT, across 7 part types, covering both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Freightliner MT, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links. Most of the listed parts are Shock / Strut (19 parts), Leaf Spring (5 parts) and Leaf Spring Bolt (5 parts). The other 4 part types cover the remaining 8 parts.
The 2018 Freightliner MT was sold with both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged. All 37 parts on this page fit every engine.
5 brands supply suspension parts for the 2018 Freightliner MT, led by HUSKY SPRING (14 parts), MONROE (9 parts) and GABRIEL (8 parts), plus 2 more brands. Quality grades include Heavy Duty and Original Ride Quality.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Freightliner MT. 5 parts have it, including HUSKY SPRING SHB3455 (Leaf Spring Bolt) and GABRIEL 85058 (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: all 2018 MT engines | 461225 | 🇺🇸 US 🇨🇦 CA | Free Arch (inches): 6.25Leaf Thicknesses From Top Down (inches or MM): 8 Leaves@447 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | 461227 | 🇺🇸 US 🇨🇦 CA | Free Arch (inches): 6.375Leaf Thicknesses From Top Down (inches or MM): 9 Leaves@447 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | 461229 | 🇺🇸 US 🇨🇦 CA | Free Arch (inches): 5.375Leaf Thicknesses From Top Down (inches or MM): 7 Leaves @ 473 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | 461231 | 🇺🇸 US 🇨🇦 CA | Free Arch (inches): 5.375Leaf Thicknesses From Top Down (inches or MM): 1 Leaf @ 447 Over 6 Leaves @ 423 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | 461233 | 🇺🇸 US 🇨🇦 CA | Free Arch (inches): 7.25Leaf Thicknesses From Top Down (inches or MM): 1 Leaf@447 Over 6 Leaves@423 | 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 2018 Freightliner MT. All of them fit every engine offered in the 2018 MT.
Part numbers include HUSKY SPRING 461225, HUSKY SPRING 461227 and HUSKY SPRING 461229, among others listed above.
Leaf Spring Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HUSKY SPRING Popular Fits: all 2018 MT engines | SHB3455 | 🇺🇸 US 🇨🇦 CA | Fits Front ForwardMT45 | View on Amazon |
| DORMAN Fits: all 2018 MT engines | 929835 | 🇺🇸 US 🇨🇦 CA | RearMT45 | View on Amazon |
| DORMAN Fits: all 2018 MT engines | 929833 | 🇺🇸 US 🇨🇦 CA | RearMT45 | View on Amazon |
| DORMAN Fits: all 2018 MT engines | 929778 | 🇺🇸 US 🇨🇦 CA | FrontMT45 | View on Amazon |
| DORMAN Fits: all 2018 MT engines | 929834 | 🇺🇸 US 🇨🇦 CA | FrontMT45 | View on Amazon |
This table covers the Leaf Spring bolts.
5 Leaf Spring Bolt parts for the 2018 Freightliner MT come from 2 brands — DORMAN and HUSKY SPRING. The "Popular" part is HUSKY SPRING SHB3455. Every part fits both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged.
Part numbers include HUSKY SPRING SHB3455, DORMAN 929835 and DORMAN 929833, among others listed above.
Leaf Spring Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HUSKY SPRING Fits: all 2018 MT engines | RB135 | 🇺🇸 US 🇨🇦 CA | Fits Front ForwardMT45 | View on Amazon |
This table covers the Leaf Spring bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
One part is listed for the 2018 Freightliner MT — HUSKY SPRING RB135.
Leaf Spring Hanger
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HUSKY SPRING Fits: all 2018 MT engines | M1705 | 🇺🇸 US 🇨🇦 CA | Left Rear Spring ForwardMT55 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | M1707 | 🇺🇸 US 🇨🇦 CA | Right Rear Spring ForwardMT55 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | M1717 | 🇺🇸 US 🇨🇦 CA | Left Rear Spring RearwardMT55 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | M1719 | 🇺🇸 US 🇨🇦 CA | Right Rear Spring RearwardMT55 | View on Amazon |
This table covers the hangers a leaf spring eye bolts to.
4 Leaf Spring Hanger parts for the 2018 Freightliner MT come from HUSKY SPRING. Every part fits both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged.
Listed part numbers: HUSKY SPRING M1705, HUSKY SPRING M1707 and HUSKY SPRING M1717, plus the other parts above.
Leaf Spring Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HUSKY SPRING Fits: all 2018 MT engines | 3382226 | 🇺🇸 US 🇨🇦 CA | Fits Rear LeftMT45 | View on Amazon |
This table covers the Leaf Spring plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
One part is listed for the 2018 Freightliner MT — HUSKY SPRING 3382226.
Leaf Spring Shackle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HUSKY SPRING Fits: all 2018 MT engines | 330375 | 🇺🇸 US 🇨🇦 CA | Fits Front RearwardMT45 | View on Amazon |
| HUSKY SPRING Fits: all 2018 MT engines | M1711 | 🇺🇸 US 🇨🇦 CA | Rear RearwardMT45 | View on Amazon |
This table covers the shackles that let a leaf spring lengthen as it flexes.
2 Leaf Spring Shackle parts for the 2018 Freightliner MT come from HUSKY SPRING. Every part fits both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged.
Part numbers include HUSKY SPRING 330375 and HUSKY SPRING M1711.
Shock / Strut
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GABRIEL Popular Fits: all 2018 MT engines | 85058 | 🇺🇸 US 🇨🇦 CA | 85000 Series | View on Amazon |
| GABRIEL Popular Fits: all 2018 MT engines | 85919 | 🇺🇸 US 🇨🇦 CA | 85000 Series | View on Amazon |
| MONROE Popular Fits: all 2018 MT engines | 66402 | 🇺🇸 US 🇨🇦 CA | MagnumGas 60 | View on Amazon |
| MONROE Popular Fits: all 2018 MT engines | 66615 | 🇺🇸 US 🇨🇦 CA | MagnumGas Magnum 60 | View on Amazon |
| GABRIEL Fits: all 2018 MT engines | 85331 | 🇺🇸 US 🇨🇦 CA | 85000 Series | View on Amazon |
| GABRIEL Fits: all 2018 MT engines | 83164 | 🇺🇸 US 🇨🇦 CA | 83000 Series | View on Amazon |
| GABRIEL Fits: all 2018 MT engines | 83157 | 🇺🇸 US 🇨🇦 CA | 83000 Series | View on Amazon |
| GABRIEL Fits: all 2018 MT engines | 83154 | 🇺🇸 US 🇨🇦 CA | 83000 Series | View on Amazon |
| GABRIEL Fits: all 2018 MT engines | 83120 | 🇺🇸 US 🇨🇦 CA | 83000 Series | View on Amazon |
| GABRIEL Fits: all 2018 MT engines | 89431 | 🇺🇸 US 🇨🇦 CA | 89000 Series | View on Amazon |
| MONROE Fits: all 2018 MT engines | 66697 | 🇺🇸 US 🇨🇦 CA | MagnumGas Magnum 60 | View on Amazon |
| MONROE Fits: all 2018 MT engines | 66405 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 MT engines | 66403 | 🇺🇸 US 🇨🇦 CA | MagnumGas 60 | View on Amazon |
| MONROE Fits: all 2018 MT engines | 65489 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 MT engines | 66448 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
| MONROE Fits: all 2018 MT engines | 66692 | 🇺🇸 US 🇨🇦 CA | MagnumGas 60 | View on Amazon |
| MONROE Fits: all 2018 MT engines | 65503 | 🇺🇸 US 🇨🇦 CA | Magnum | View on Amazon |
Original Ride Quality
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FCS Fits: all 2018 MT engines | F347198 | 🇺🇸 US 🇨🇦 CA | FrontMT45 | View on Amazon |
| FCS Fits: all 2018 MT engines | F344356 | 🇺🇸 US 🇨🇦 CA | RearMT45 | 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.
19 Shock / Strut parts are listed for the 2018 Freightliner MT, from MONROE, GABRIEL and FCS. GABRIEL 85058 carries the "Popular" badge. All of them fit every engine offered in the 2018 MT.
The Heavy Duty section lists 17 options from MONROE and GABRIEL — rated for severe service. GABRIEL 85058 is listed in this group.
In the Original Ride Quality grade, FCS supplies 2 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 F347198.
Buying Suspension Parts for a 2018 Freightliner MT
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 both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged.
- 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 MT?
Our catalog currently lists 37 suspension parts for the 2018 Freightliner MT across 7 subcategories and 5 brands, covering both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do suspension parts differ between 2018 Freightliner MT engines?
No. On this page every suspension part fits both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged. 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 MT?
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 MT 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 MT?
Every part on this page already fits both the 6.0L V8 and the 6.7L L6 DIESEL Turbocharged. 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 MT
Suspension Parts for Other Freightliner MT Years
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