This page lists 2 belt drive parts for the 2017 Freightliner MC, across 1 part type, covering the 6.7L L6 DIESEL Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2017 Freightliner MC, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. Every listed part is a Belt Tensioner.
Every part on this page is matched to the 6.7L L6 DIESEL Turbocharged — the only engine offered in the 2017 Freightliner MC.
The most listed brands for 2017 Freightliner MC belt drive parts are DORMAN (1 part) and SKP (1 part).
Each part number listed for the 2017 Freightliner MC opens a page with every vehicle that part fits.
Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 419375 | 🇺🇸 US | View on Amazon | |
| SKP | SK89490 | 🇺🇸 US | View on Amazon |
This table covers the automatic tensioners that hold belt tension. Typical signs include belt flutter, a chirp that returns after a new belt, or a damper that no longer holds the arm. Replace the tensioner with the belt at higher mileage; the labor overlaps almost entirely.
2 Belt Tensioner parts for the 2017 Freightliner MC come from 2 brands — DORMAN and SKP.
This group includes DORMAN 419375 and SKP SK89490.
Buying Belt Drive Parts for a 2017 Freightliner MC
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 6.7L L6 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 the tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Belt Tensioner .
Frequently Asked Questions
How many belt drive parts fit the 2017 Freightliner MC?
Our catalog currently lists 2 belt drive parts for the 2017 Freightliner MC across 1 subcategory and 2 brands, covering the 6.7L L6 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of belt drive problems on a 2017 Freightliner MC?
Common symptoms include squealing on cold start, a belt that shows cracking or glazing, or an accessory that slows under load. 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 tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
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 2017 Freightliner MC 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 2017 Freightliner MC?
Every part on this page is matched to the 6.7L L6 DIESEL Turbocharged engine. Then a new belt on a worn tensioner will squeal within weeks — check tensioner damping and idler bearings while the belt is off. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2017 Freightliner MC
Belt Drive Parts for Other Freightliner MC Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.