The 2012 International Prostar has 49 electrical parts with verified fitment on this page — 5 part types and 10 brands, covering all 4 engine options (10.5L L6 DIESEL Turbocharged, 12.4L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.2L L6 DIESEL Turbocharged). Each part includes a manufacturer part number and application notes.
On the 2012 International Prostar, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 47 parts of the 49 listed are Alternator / Generator (29 parts), Starter Motor (12 parts) and Battery (6 parts). The other 2 part types cover the remaining 2 parts.
The 2012 International Prostar was sold with 4 engines. 8 parts fit every engine; the other 41 are engine-specific. Each part shows which engine(s) it fits.
10 brands supply electrical parts for the 2012 International Prostar, led by TERREPOWER (23 parts), WAI GLOBAL (11 parts) and BOSCH (4 parts), plus 7 more brands. Quality grades include New, Remanufactured and AGM.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2012 International Prostar. 11 parts have it, including WAI GLOBAL 8719N (Alternator / Generator) and ACDELCO 31XAGMT (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 8719N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 8362N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 8741N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 8410N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 8614N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | AL9961LH | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | AL9962SB | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014577N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014569N | 🇺🇸 US 🇨🇦 CA | Does Not Include PulleyPlug Clock Rear View Main Mounting Ear at 6 O Clock: 4 | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014723N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90156571N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90156569N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014720N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014516N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 8707N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Popular Fits: 15.2L L6 DIESEL Turbocharged | 718707N | 🇺🇸 US 🇨🇦 CA | New Alternator145 Amps | View on Amazon |
| FAMOUS BRAND Fits: 15.2L L6 DIESEL Turbocharged | 718410N | 🇺🇸 US 🇨🇦 CA | New Alternator160 Amps | View on Amazon |
| FAMOUS BRAND Fits: 15.2L L6 DIESEL Turbocharged | 718362N | 🇺🇸 US 🇨🇦 CA | New Alternator100 To 145 Amp, Supplied as 145 Amp | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014577 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014720 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014723 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014516 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90156569 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014569 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014699 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014693 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 12.4L L6 DIESEL Turbocharged, 15.2L L6 DIESEL Turbocharged | 90014748 | 🇺🇸 US 🇨🇦 CA | RemanufacturedDoes Not Include Pulley | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 10.5L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged | AL9961LH | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| BOSCH Fits: 10.5L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged | AL9962SB | 🇺🇸 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.
29 Alternator / Generator parts for the 2012 International Prostar come from 4 brands — TERREPOWER, WAI GLOBAL, BOSCH and 1 other brand. The "Popular" part is WAI GLOBAL 8719N. Grades run from New through Remanufactured; New is the most populated section, led by TERREPOWER, WAI GLOBAL and BOSCH.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2012 Prostar engines | 31XAGMT | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 31 | View on Amazon |
| FVP Popular Fits: all 2012 Prostar engines | P31TAGM | 🇺🇸 US 🇨🇦 CA | Platinum AGMBCI Group: 31T | View on Amazon |
| EXIDE Fits: all 2012 Prostar engines | RF31D | 🇺🇸 US 🇨🇦 CA | RoadforceBCI Group 31 | View on Amazon |
| EXIDE Fits: all 2012 Prostar engines | XRF31D | 🇺🇸 US 🇨🇦 CA | RoadforceBCI Group 31 | View on Amazon |
| MOTORCRAFT Fits: all 2012 Prostar 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 2012 Prostar 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 are listed for the 2012 International Prostar, from EXIDE, ACDELCO, FVP and 2 other brands. ACDELCO 31XAGMT carries the "Popular" badge. All of them fit every engine offered in the 2012 Prostar.
The AGM (Extended Life) section lists 5 options from EXIDE, ACDELCO, FVP and 1 other brand — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. ACDELCO 31XAGMT is listed in this group.
The Performance AGM (Extended Life + Increased Power) section lists 1 option from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT110031ST is listed in this group.
This group includes ACDELCO 31XAGMT, FVP P31TAGM and EXIDE RF31D and the remaining parts above.
Horn Actuator Pad
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2012 Prostar 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.
One part is listed for the 2012 International Prostar — DORMAN 9245123.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2012 Prostar engines | 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.
One part is listed for the 2012 International Prostar — DORMAN 9047544.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular Fits: 12.4L L6 DIESEL Turbocharged | 6907N | 🇺🇸 US 🇨🇦 CA | Optional ReplacementDelco 39MT Rotatable Drive End Frame | View on Amazon |
| WAI GLOBAL Popular Fits: 15.2L L6 DIESEL Turbocharged | 6924N | 🇺🇸 US 🇨🇦 CA | Optional ReplacementDelco 39MT Rotatable Drive End Frame | View on Amazon |
| TERREPOWER Fits: 10.5L L6 DIESEL Turbocharged, 12.4L L6 DIESEL Turbocharged | 91014760N | 🇺🇸 US 🇨🇦 CA | Delco Unit39MT | View on Amazon |
| TERREPOWER Fits: 15.2L L6 DIESEL Turbocharged | 91014759N | 🇺🇸 US 🇨🇦 CA | Delco Unit39MT | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged | 6859N | 🇺🇸 US 🇨🇦 CA | Delco 38MT12-Tooth | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged | 6777N | 🇺🇸 US 🇨🇦 CA | Delco 42MT12-Tooth | View on Amazon |
| WAI GLOBAL Fits: 15.2L L6 DIESEL Turbocharged | 6911N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Popular Fits: 12.4L L6 DIESEL Turbocharged, 10.5L L6 DIESEL Turbocharged | 91014760 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 10.5L L6 DIESEL Turbocharged, 12.4L L6 DIESEL Turbocharged | 91047850 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 10.5L L6 DIESEL Turbocharged | 91273554 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 15.2L L6 DIESEL Turbocharged | 91014759 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 15.2L L6 DIESEL Turbocharged | 91273423 | 🇺🇸 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.
12 Starter Motor parts for the 2012 International Prostar come from 2 brands — TERREPOWER and WAI GLOBAL. The "Popular" part is WAI GLOBAL 6907N.
The New section lists 7 options from WAI GLOBAL and TERREPOWER — brand-new units rather than rebuilt ones. WAI GLOBAL 6907N is listed in this group.
The Remanufactured section lists 5 options from TERREPOWER — factory-rebuilt units with new wear components. TERREPOWER 91014760 is listed in this group.
Buying Electrical Parts for a 2012 International Prostar
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 2012 International Prostar?
Our catalog currently lists 49 electrical parts for the 2012 International Prostar across 5 subcategories and 10 brands, covering all 4 engine options (10.5L L6 DIESEL Turbocharged, 12.4L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.2L L6 DIESEL Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2012 International Prostar engines?
Some do. 8 parts fit every engine; the other 41 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 2012 International Prostar?
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 2012 International Prostar 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 2012 International Prostar?
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 2012 International Prostar
Electrical Parts for Other International Prostar Years
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