4 Suspension parts are listed for the 2021 Freightliner Sprinter 4500, in 3 part types, covering the 3.0L V6 DIESEL Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The suspension system on the 2021 Freightliner Sprinter 4500 controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links. All 4 listed parts are Ball Joint (2 parts), Control Arm Bushing (1 part) and Shock / Strut Mount (1 part).
Every part on this page is matched to the 3.0L V6 DIESEL Turbocharged — the only engine offered in the 2021 Freightliner Sprinter 4500.
The most listed brands for 2021 Freightliner Sprinter 4500 suspension parts are DORMAN (2 parts), FVP (1 part) and REIN (1 part). Quality grades include Daily Driver and Economy.
Each part number listed for the 2021 Freightliner Sprinter 4500 opens a page with every vehicle that part fits.
Ball Joint
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 539964 | 🇺🇸 US | Front Lower | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | BJ81475 | 🇺🇸 US | Front Lower | View on Amazon |
This table covers the ball joints that articulate each control arm at the knuckle.
2 Ball Joint parts for the 2021 Freightliner Sprinter 4500 come from 2 brands — DORMAN and FVP.
In the Daily Driver grade, DORMAN supplies 1 part: grouped for everyday commuting duty. A representative part number is DORMAN 539964.
The Economy section lists 1 option from FVP — the catalog's value-priced group. FVP BJ81475 is listed in this group.
Part numbers include DORMAN 539964 and FVP BJ81475.
Control Arm Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 533671 | 🇺🇸 US | Front Lower Forward | View on Amazon |
This table covers the bushings pressed into each control arm. 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.
This group shows a single part: DORMAN 533671.
Shock / Strut Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | AVQ0450 | 🇺🇸 US | Front | View on Amazon |
This table covers the upper mounts (and bearings) a strut bolts through at the tower. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
One part is listed for the 2021 Freightliner Sprinter 4500 — REIN AVQ0450.
Buying Suspension Parts for a 2021 Freightliner Sprinter 4500
On this vehicle, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.
- Confirm you have the 3.0L V6 DIESEL Turbocharged engine — every part on this page is matched to it.
- 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: Ball Joint and Control Arm Bushing .
Frequently Asked Questions
How many suspension parts fit the 2021 Freightliner Sprinter 4500?
Our catalog currently lists 4 suspension parts for the 2021 Freightliner Sprinter 4500 across 3 subcategories and 3 brands, covering the 3.0L V6 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of suspension problems on a 2021 Freightliner Sprinter 4500?
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 Sprinter 4500 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 Sprinter 4500?
Every part on this page is matched to the 3.0L V6 DIESEL Turbocharged engine. 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 Sprinter 4500
Suspension Parts for Other Freightliner Sprinter 4500 Years
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