This page lists 54 electrical parts for the 2008 International Workstar, across 7 part types, covering all 5 engine options (10.8L L6 DIESEL Turbocharged, 12.5L DIESEL, 7.6L L6 DIESEL, 8.7L L6 DIESEL Turbocharged and 9.3L L6 DIESEL Turbocharged). Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 2008 International Workstar covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Alternator / Generator (33 parts), Starter Motor (11 parts) and Battery (6 parts). The other 4 part types cover the remaining 4 parts.
The 2008 International Workstar was sold with 5 engines. 7 parts fit every engine; the other 47 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2008 International Workstar electrical parts are TERREPOWER (29 parts), WAI GLOBAL (11 parts) and BOSCH (4 parts), plus 6 more brands. Quality grades include New, Remanufactured and AGM.
15 parts on this 2008 International Workstar page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WAI GLOBAL 8719N (Alternator / Generator) and ACDELCO 31XAGMT (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: 12.5L DIESEL | 8719N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.5L DIESEL | 8362N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.5L DIESEL | 8410N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.5L DIESEL | 8681N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 12.5L DIESEL | AL9961LH | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 12.5L DIESEL, 7.6L L6 DIESEL | AL9962SB | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 8.7L L6 DIESEL Turbocharged | AL9960LH | 🇺🇸 US | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL, 8.7L L6 DIESEL Turbocharged | 90014723N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL, 8.7L L6 DIESEL Turbocharged | 90014720N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL, 8.7L L6 DIESEL Turbocharged | 90014516N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL, 8.7L L6 DIESEL Turbocharged | 90014576N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL | 90014722N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL | 90014725N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL | 90014515N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.5L DIESEL | 8707N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.5L DIESEL | 8741N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.5L DIESEL | 8614N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.5L DIESEL | 8912N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Popular Fits: 10.8L L6 DIESEL Turbocharged, 8.7L L6 DIESEL Turbocharged, 12.5L DIESEL | 90014723 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Popular Fits: 10.8L L6 DIESEL Turbocharged, 8.7L L6 DIESEL Turbocharged, 12.5L DIESEL | 90014516 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Popular Fits: 7.6L L6 DIESEL | 90014471 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Popular Fits: 7.6L L6 DIESEL | 90014509 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Popular Fits: 7.6L L6 DIESEL | 90014515 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Popular Fits: 8.7L L6 DIESEL Turbocharged | 90014505 | 🇺🇸 US | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL, 8.7L L6 DIESEL Turbocharged | 90014720 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL | 90014699 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL | 90014693 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL | 90014748 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL, 8.7L L6 DIESEL Turbocharged | 90014576 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL | 90014722 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL | 90014725 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 8.7L L6 DIESEL Turbocharged | 90014508 | 🇺🇸 US | RemanufacturedDoes Not Include Pulley | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 9.3L L6 DIESEL Turbocharged | AL9961LH | 🇺🇸 US 🇨🇦 CA | 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.
33 Alternator / Generator parts are listed for the 2008 International Workstar, from TERREPOWER, WAI GLOBAL and BOSCH. WAI GLOBAL 8719N carries the "Popular" badge. Grades run from New through Remanufactured; New is the most populated section, led by WAI GLOBAL, TERREPOWER and BOSCH.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2008 Workstar engines | 31XAGMT | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 31 | View on Amazon |
| FVP Popular Fits: all 2008 Workstar engines | P31TAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 31T | View on Amazon |
| EXIDE Fits: all 2008 Workstar engines | RF31D | 🇺🇸 US 🇨🇦 CA | RoadforceBCI Group 31 | View on Amazon |
| EXIDE Fits: all 2008 Workstar engines | XRF31D | 🇺🇸 US 🇨🇦 CA | RoadforceBCI Group 31 | View on Amazon |
| MOTORCRAFT Fits: all 2008 Workstar engines | BHAGM31 | 🇺🇸 US 🇨🇦 CA | Fleettough/ExtraBCI Group: 31 | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: all 2008 Workstar engines | FT110031ST | 🇺🇸 US 🇨🇦 CA | BCI Group 31T(Length X Width X Height) 12.99 In x 6.81 In x 9.13 In | 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.
6 Battery parts for the 2008 International Workstar come from 5 brands — EXIDE, ACDELCO, FVP and 2 other brands. The "Popular" part is ACDELCO 31XAGMT. Every part fits all 5 engine options (10.8L L6 DIESEL Turbocharged, 12.5L DIESEL, 7.6L L6 DIESEL, 8.7L L6 DIESEL Turbocharged and 9.3L L6 DIESEL Turbocharged).
In the AGM (Extended Life) grade, EXIDE, ACDELCO, FVP and 1 other brand supply 5 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 31XAGMT.
In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT110031ST.
Part numbers include ACDELCO 31XAGMT, FVP P31TAGM and EXIDE RF31D, among others listed above.
Battery Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 7.6L L6 DIESEL, 8.7L L6 DIESEL Turbocharged, 9.3L L6 DIESEL Turbocharged | 2425103 | 🇺🇸 US 🇨🇦 CA | 7400 or 7500 | View on Amazon |
This table covers the Battery covers.
One part is listed for the 2008 International Workstar — DORMAN 2425103.
Battery Tray
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 7.6L L6 DIESEL, 8.7L L6 DIESEL Turbocharged, 9.3L L6 DIESEL Turbocharged | 2425109 | 🇺🇸 US 🇨🇦 CA | with 25 In. Battery Box | View on Amazon |
This table covers the trays the battery sits in.
This group shows a single part: DORMAN 2425109.
Horn Actuator Pad
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2008 Workstar engines | 9245123 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
This table covers the Horn Actuator pads. Typical signs include squeal, grind, or a wear-indicator scrape. Replace pads as an axle set and inspect the rotor or drum they ride on.
This group shows a single part: DORMAN 9245123.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL | 9047544 | 🇺🇸 US 🇨🇦 CA | with Fuller Manual TransmissionTransmission Speed | 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.
This group shows a single part: DORMAN 9047544.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: 12.5L DIESEL | 6924N | 🇺🇸 US 🇨🇦 CA | Caterpillar C13Optional Replacement | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL | 91014759N | 🇺🇸 US 🇨🇦 CA | Delco Unit39MT | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL, 9.3L L6 DIESEL Turbocharged | 91014760N | 🇺🇸 US 🇨🇦 CA | Fits Delco Unit39MT | View on Amazon |
| WAI GLOBAL Fits: 12.5L DIESEL | 6911N | 🇺🇸 US 🇨🇦 CA | Caterpillar C13 | View on Amazon |
| WAI GLOBAL Fits: 12.5L DIESEL | 6356N | 🇺🇸 US 🇨🇦 CA | Caterpillar C13Delco 42MT 11-Tooth | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Popular Fits: 12.5L DIESEL, 10.8L L6 DIESEL Turbocharged | 91014759 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Popular Fits: 7.6L L6 DIESEL, 9.3L L6 DIESEL Turbocharged | 91014760 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 10.8L L6 DIESEL Turbocharged, 12.5L DIESEL | 91273423 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL, 9.3L L6 DIESEL Turbocharged | 91047850 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL, 9.3L L6 DIESEL Turbocharged | 91014628 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 7.6L L6 DIESEL, 9.3L L6 DIESEL Turbocharged | 91273566 | 🇺🇸 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.
11 Starter Motor parts are listed for the 2008 International Workstar, from TERREPOWER and WAI GLOBAL. WAI GLOBAL 6924N carries the "Popular" badge.
In the New grade, WAI GLOBAL and TERREPOWER supply 5 parts: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 6924N.
In the Remanufactured grade, TERREPOWER supplies 6 parts: factory-rebuilt units with new wear components. A representative part number is TERREPOWER 91014759.
Buying Electrical Parts for a 2008 International Workstar
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 2008 International Workstar?
Our catalog currently lists 54 electrical parts for the 2008 International Workstar across 7 subcategories and 9 brands, covering all 5 engine options (10.8L L6 DIESEL Turbocharged, 12.5L DIESEL, 7.6L L6 DIESEL, 8.7L L6 DIESEL Turbocharged and 9.3L L6 DIESEL Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2008 International Workstar engines?
Some do. 7 parts fit every engine; the other 47 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 2008 International Workstar?
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 2008 International Workstar 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 2008 International Workstar?
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 2008 International Workstar
Electrical Parts for Other International Workstar Years
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