22 Drivetrain parts are listed for the 2021 Freightliner Sprinter 2500, in 4 part types, covering all 3 engine options (2.0L L4 Turbocharged, 2.1L L4 DIESEL Turbocharged and 3.0L V6 DIESEL Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Freightliner Sprinter 2500, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Drive Shaft (7 parts), Transfer Case Fluid (7 parts) and Gear Oil (5 parts). The other 1 part type covers the remaining 3 parts.
The 2021 Freightliner Sprinter 2500 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
4 brands supply drivetrain parts for the 2021 Freightliner Sprinter 2500, led by VALVOLINE (12 parts), DORMAN (4 parts) and ELRING (3 parts), plus 1 more brand.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Freightliner Sprinter 2500. 4 parts have it, including DORMAN 986667 (Drive Shaft) and VALVOLINE VV975 (Gear Oil). Each part number opens a page with every vehicle that part fits.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.0L V6 DIESEL Turbocharged | 996870 | 🇺🇸 US 🇨🇦 CA | Inner Diameter [MM]: 31,9 | View on Amazon |
| ELRING Fits: 3.0L V6 DIESEL Turbocharged | 996890 | 🇺🇸 US 🇨🇦 CA | Inner Diameter [MM]: 42Outer Diameter [MM]: 64 | View on Amazon |
| ELRING Fits: 3.0L V6 DIESEL Turbocharged | 755340 | 🇺🇸 US 🇨🇦 CA | Outer Diameter [MM]: 98,3Radial Shaft Seal Design: SP | View on Amazon |
This table covers the seals at the Differential. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Differential Seal parts for the 2021 Freightliner Sprinter 2500 come from ELRING.
Part numbers include ELRING 996870, ELRING 996890 and ELRING 755340.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.0L V6 DIESEL Turbocharged | 986667 | 🇺🇸 US 🇨🇦 CA | Length: 94.125" | View on Amazon |
| DORMAN Fits: 3.0L V6 DIESEL Turbocharged | 966545 | 🇺🇸 US 🇨🇦 CA | Length: 107.5"OE Fix | View on Amazon |
| DORMAN Fits: 3.0L V6 DIESEL Turbocharged | 986659 | 🇺🇸 US 🇨🇦 CA | Length: 133.125" | View on Amazon |
| DORMAN Fits: 3.0L V6 DIESEL Turbocharged | 986923 | 🇺🇸 US 🇨🇦 CA | Length: 119.625" | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 DIESEL Turbocharged | WDS86659 | 🇺🇸 US 🇨🇦 CA | RearRWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 DIESEL Turbocharged | WDS86667 | 🇺🇸 US 🇨🇦 CA | Rear4WD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 DIESEL Turbocharged | WDS86923 | 🇺🇸 US 🇨🇦 CA | Rear4WD | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
7 Drive Shaft parts for the 2021 Freightliner Sprinter 2500 come from 2 brands — DORMAN and WJB / INMOTION PARTS. The "Popular" part is DORMAN 986667.
Listed part numbers: DORMAN 986667, DORMAN 966545 and DORMAN 986659, plus the other parts above.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 3.0L V6 DIESEL Turbocharged | VV975 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 889785 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 882505 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 723856 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | VV700285M | 🇺🇸 US 🇨🇦 CA | Syngard Heavy Duty Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
VALVOLINE supplies the 5 Gear Oil parts for the 2021 Freightliner Sprinter 2500. VALVOLINE VV975 carries the "Popular" badge.
Listed part numbers: VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505, plus the other parts above.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 3.0L V6 DIESEL Turbocharged | VV3246 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE Popular Fits: 3.0L V6 DIESEL Turbocharged | 773775 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 899179 | 🇺🇸 US 🇨🇦 CA | Extended Protection Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 881051 | 🇺🇸 US 🇨🇦 CA | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 899177 | 🇺🇸 US 🇨🇦 CA | Extended Protection Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 913031 | 🇺🇸 US 🇨🇦 CA | Restore & Protect Full Synthetic ATF 1 Quart | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged | 913033 | 🇺🇸 US 🇨🇦 CA | Restore & Protect Full Synthetic ATF1 Gallon | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
VALVOLINE supplies the 7 Transfer Case Fluid parts for the 2021 Freightliner Sprinter 2500. VALVOLINE VV3246 carries the "Popular" badge.
This group includes VALVOLINE VV3246, VALVOLINE 773775 and VALVOLINE 899179 and the remaining parts above.
Buying Drivetrain Parts for a 2021 Freightliner Sprinter 2500
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain 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 the differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Drive Shaft and Transfer Case Fluid .
Frequently Asked Questions
How many drivetrain parts fit the 2021 Freightliner Sprinter 2500?
Our catalog currently lists 22 drivetrain parts for the 2021 Freightliner Sprinter 2500 across 4 subcategories and 4 brands, covering all 3 engine options (2.0L L4 Turbocharged, 2.1L L4 DIESEL Turbocharged and 3.0L V6 DIESEL Turbocharged). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2021 Freightliner Sprinter 2500 engines?
Yes. Every drivetrain 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 drivetrain problems on a 2021 Freightliner Sprinter 2500?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. 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 the differential or transfer-case fluid with any axle or seal job while everything is already open.
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 2500 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 2500?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Freightliner Sprinter 2500
Drivetrain Parts for Other Freightliner Sprinter 2500 Years
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