This page lists 15 electrical parts for the 2019 Freightliner Cascadia, across 4 part types, covering all 3 engine options (11.9L Turbocharged, 14.8L L6 DIESEL Turbocharged and 15.6L DIESEL Turbocharged). Every part shows its brand, manufacturer part number and fitment notes.
On the 2019 Freightliner Cascadia, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 14 parts of the 15 listed are Alternator / Generator (7 parts), Battery (5 parts) and Starter Motor (2 parts). The other 1 part type covers the remaining 1 part.
The 2019 Freightliner Cascadia was sold with 3 engines. 6 parts fit every engine; the other 9 are engine-specific. Each part shows which engine(s) it fits.
7 brands supply electrical parts for the 2019 Freightliner Cascadia, led by WAI GLOBAL (7 parts), BOSCH (2 parts) and ACDELCO (2 parts), plus 4 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2019 Freightliner Cascadia. 3 parts have it, including WAI GLOBAL 8681N (Alternator / Generator) and FVP P31TAGM (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: 11.9L Turbocharged, 14.8L L6 DIESEL Turbocharged | 8681N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 14.8L L6 DIESEL Turbocharged, 11.9L Turbocharged | 8719N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 14.8L L6 DIESEL Turbocharged | AL9961LH | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 14.8L L6 DIESEL Turbocharged | AL9962SB | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 11.9L Turbocharged, 14.8L L6 DIESEL Turbocharged | 8741N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 11.9L Turbocharged, 14.8L L6 DIESEL Turbocharged | 8614N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 11.9L Turbocharged, 14.8L L6 DIESEL Turbocharged | 8912N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
7 Alternator / Generator parts for the 2019 Freightliner Cascadia come from 2 brands — WAI GLOBAL and BOSCH. The "Popular" part is WAI GLOBAL 8681N.
This group includes WAI GLOBAL 8681N, WAI GLOBAL 8719N and BOSCH AL9961LH and the remaining parts above.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 2019 Cascadia engines | P31TAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 31T | View on Amazon |
| ACDELCO Fits: all 2019 Cascadia engines | 31AGMT | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 31 | View on Amazon |
| ACDELCO Fits: all 2019 Cascadia engines | 31XAGMT | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 31 | View on Amazon |
| EXIDE Fits: all 2019 Cascadia engines | XRF31D | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RoadforceBCI Group 31 | View on Amazon |
| MOTORCRAFT Fits: all 2019 Cascadia engines | BHAGM31 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 are listed for the 2019 Freightliner Cascadia, from ACDELCO, FVP, EXIDE and 1 other brand. FVP P31TAGM carries the "Popular" badge. All of them fit every engine offered in the 2019 Cascadia.
Part numbers include FVP P31TAGM, ACDELCO 31AGMT and ACDELCO 31XAGMT, among others listed above.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2019 Cascadia engines | 9047373 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Eaton Fuller trans.4 Pin Connector | View on Amazon |
This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.
One part is listed for the 2019 Freightliner Cascadia — DORMAN 9047373.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 11.9L Turbocharged | 3447N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits with Over Crank Protectionor without Over Crank Protection | View on Amazon |
| WAI GLOBAL Fits: 14.8L L6 DIESEL Turbocharged | 34010N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits with 150 Tooth Ring Gear Onlyor Optional Replacement with 150 Tooth Ring GearOnly | 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.
2 Starter Motor parts for the 2019 Freightliner Cascadia come from WAI GLOBAL.
This group includes WAI GLOBAL 3447N and WAI GLOBAL 34010N.
Buying Electrical Parts for a 2019 Freightliner Cascadia
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 Battery .
Frequently Asked Questions
How many electrical parts fit the 2019 Freightliner Cascadia?
Our catalog currently lists 15 electrical parts for the 2019 Freightliner Cascadia across 4 subcategories and 7 brands, covering all 3 engine options (11.9L Turbocharged, 14.8L L6 DIESEL Turbocharged and 15.6L DIESEL Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2019 Freightliner Cascadia engines?
Some do. 6 parts fit every engine; the other 9 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 2019 Freightliner Cascadia?
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 2019 Freightliner Cascadia 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 2019 Freightliner Cascadia?
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 2019 Freightliner Cascadia
Electrical Parts for Other Freightliner Cascadia Years
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