The 2017 Freightliner 108SD has 42 electrical parts with verified fitment on this page — 3 part types and 7 brands, covering both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2017 Freightliner 108SD, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 42 listed parts are Alternator / Generator (23 parts), Starter Motor (14 parts) and Battery (5 parts).
The 2017 Freightliner 108SD was sold with both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged. 15 parts fit every engine; the other 27 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2017 Freightliner 108SD electrical parts are TERREPOWER (22 parts), WAI GLOBAL (13 parts) and BOSCH (2 parts), plus 4 more brands. Quality grades include New and Remanufactured.
10 parts on this 2017 Freightliner 108SD page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WAI GLOBAL 8719N (Alternator / Generator) and FVP P31TAGM (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: all 2017 108SD engines | 8719N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: all 2017 108SD engines | 8741N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: all 2017 108SD engines | 8410N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: all 2017 108SD engines | 8614N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: all 2017 108SD engines | 8681N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 6.7L L6 DIESEL Turbocharged | AL9961LH | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 6.7L L6 DIESEL Turbocharged | AL9962SB | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014723N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014720N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014516N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90047134N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: all 2017 108SD engines | 8707N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: all 2017 108SD engines | 8912N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Fits: all 2017 108SD engines | 90014742 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014720 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014723 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: all 2017 108SD engines | 90014730 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014516 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90047134 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: all 2017 108SD engines | 90014741 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014699 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014693 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 90014748 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
23 Alternator / Generator parts are listed for the 2017 Freightliner 108SD, from TERREPOWER, WAI GLOBAL and BOSCH. WAI GLOBAL 8719N carries the "Popular" badge. 10 parts fit every engine; the other 13 are engine-specific.
In the New grade, WAI GLOBAL, TERREPOWER and BOSCH supply 13 parts: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 8719N.
In the Remanufactured grade, TERREPOWER supplies 10 parts: factory-rebuilt units with new wear components. A representative part number is TERREPOWER 90014742.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 2017 108SD engines | P31TAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 31T | View on Amazon |
| ACDELCO Fits: all 2017 108SD engines | 31XAGMT | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 31 | View on Amazon |
| EXIDE Fits: all 2017 108SD engines | XRF31D | 🇺🇸 US 🇨🇦 CA | RoadforceBCI Group 31 | View on Amazon |
| FVP Fits: all 2017 108SD engines | PC318STAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGM | View on Amazon |
| MOTORCRAFT Fits: all 2017 108SD engines | BHAGM31 | 🇺🇸 US 🇨🇦 CA | Fleettough/ExtraBCI Group: 31 | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
5 Battery parts for the 2017 Freightliner 108SD come from 4 brands — FVP, ACDELCO, EXIDE and 1 other brand. The "Popular" part is FVP P31TAGM. Every part fits both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged.
This group includes FVP P31TAGM, ACDELCO 31XAGMT and EXIDE XRF31D and the remaining parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: 6.7L L6 DIESEL Turbocharged | 6809N | 🇺🇸 US 🇨🇦 CA | Optional Replacement Delco 38MTwith Integral Magnetic Switch | View on Amazon |
| WAI GLOBAL Popular Fits: 8.9L L6 DIESEL Turbocharged | 6907N | 🇺🇸 US 🇨🇦 CA | Optional ReplacementDelco 39MT Rotatable Drive End Frame | View on Amazon |
| TERREPOWER Fits: 8.9L L6 DIESEL Turbocharged | 91014760N | 🇺🇸 US 🇨🇦 CA | Delco Unit39MT | View on Amazon |
| TERREPOWER Fits: 8.9L L6 DIESEL Turbocharged | 91014622N | 🇺🇸 US 🇨🇦 CA | Delco Unit38MT | View on Amazon |
| WAI GLOBAL Fits: 6.7L L6 DIESEL Turbocharged | 6963N | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAI GLOBAL Fits: 6.7L L6 DIESEL Turbocharged | 19340N | 🇺🇸 US 🇨🇦 CA | 12V 2.7KW CW 10T | View on Amazon |
| WAI GLOBAL Fits: 6.7L L6 DIESEL Turbocharged | 34029N | 🇺🇸 US 🇨🇦 CA | without Ground Stud | View on Amazon |
| WAI GLOBAL Fits: 8.9L L6 DIESEL Turbocharged | 6859N | 🇺🇸 US 🇨🇦 CA | Delco 38MT12-Tooth | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Popular Fits: 6.7L L6 DIESEL Turbocharged | 91014623 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Popular Fits: 8.9L L6 DIESEL Turbocharged | 91014760 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 91014779 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 6.7L L6 DIESEL Turbocharged | 91047848 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 8.9L L6 DIESEL Turbocharged | 91047850 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 8.9L L6 DIESEL Turbocharged | 91014622 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
14 Starter Motor parts are listed for the 2017 Freightliner 108SD, from TERREPOWER and WAI GLOBAL. WAI GLOBAL 6809N carries the "Popular" badge.
New: 8 parts, from WAI GLOBAL and TERREPOWER. A representative part number is WAI GLOBAL 6809N.
Remanufactured: 6 parts, from TERREPOWER. A representative part number is TERREPOWER 91014623.
Buying Electrical Parts for a 2017 Freightliner 108SD
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Some electrical parts fit every engine; others are 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Alternator / Generator and Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2017 Freightliner 108SD?
Our catalog currently lists 42 electrical parts for the 2017 Freightliner 108SD across 3 subcategories and 7 brands, covering both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2017 Freightliner 108SD engines?
Some do. 15 parts fit every engine; the other 27 are engine-specific. Each row (and the filter at the top) shows which. 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 electrical problems on a 2017 Freightliner 108SD?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 108SD 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 108SD?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2017 Freightliner 108SD
Electrical Parts for Other Freightliner 108SD Years
Switch vehicle or jump to a subcategory
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.