6 Electrical parts are listed for the 2024 Freightliner XB, in 2 part types, covering both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2024 Freightliner XB, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 6 listed parts are Battery (5 parts) and Alternator / Generator (1 part).
The 2024 Freightliner XB was sold with both the 6.7L L6 DIESEL Turbocharged and the 8.9L L6 DIESEL Turbocharged. 1 part fits every engine; the other 5 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2024 Freightliner XB electrical parts are FVP (2 parts), WAI GLOBAL (1 part) and ACDELCO (1 part), plus 2 more brands.
1 part on this 2024 Freightliner XB page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — FVP P31TAGM (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 6.7L L6 DIESEL Turbocharged | 8681N | 🇺🇸 US | Does 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.
One part is listed for the 2024 Freightliner XB — WAI GLOBAL 8681N.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: 6.7L L6 DIESEL Turbocharged | P31TAGM | 🇺🇸 US | Platinum AGMBCI Group: 31T | View on Amazon |
| ACDELCO Fits: 6.7L L6 DIESEL Turbocharged | 31XAGMT | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 31 | View on Amazon |
| EXIDE Fits: 6.7L L6 DIESEL Turbocharged | XRF31D | 🇺🇸 US | RoadforceBCI Group 31 | View on Amazon |
| FVP Fits: 6.7L L6 DIESEL Turbocharged | PC318STAGM | 🇺🇸 US | Platinum AGM | View on Amazon |
| MOTORCRAFT Fits: all 2024 XB engines | BHAGM31 | 🇺🇸 US | 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 2024 Freightliner XB come from 4 brands — FVP, ACDELCO, EXIDE and 1 other brand. The "Popular" part is FVP P31TAGM. 1 part fits every engine; the other 4 are engine-specific.
Part numbers include FVP P31TAGM, ACDELCO 31XAGMT and EXIDE XRF31D, among others listed above.
Buying Electrical Parts for a 2024 Freightliner XB
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: Battery and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2024 Freightliner XB?
Our catalog currently lists 6 electrical parts for the 2024 Freightliner XB across 2 subcategories and 5 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 2024 Freightliner XB engines?
Some do. 1 part fits every engine; the other 5 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 2024 Freightliner XB?
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 2024 Freightliner XB 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 2024 Freightliner XB?
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 2024 Freightliner XB
Electrical Parts for Other Freightliner XB Years
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