This page lists 17 electrical parts for the 2018 International Prostar, across 3 part types, covering both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 2018 International Prostar covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 17 listed parts are Alternator / Generator (7 parts), Battery (6 parts) and Starter Motor (4 parts).
The 2018 International Prostar was sold with both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. 6 parts fit every engine; the other 11 are engine-specific. Each part shows which engine(s) it fits.
7 brands supply electrical parts for the 2018 International Prostar, led by WAI GLOBAL (9 parts), FAMOUS BRAND (2 parts) and EXIDE (2 parts), plus 4 more brands. Quality grades include New, AGM and Performance AGM.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 International Prostar. 4 parts have it, including WAI GLOBAL 8410N (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 | 8410N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 12.4L L6 DIESEL Turbocharged | 8681N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged | 8719N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged | 8741N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged | 8614N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged | 8912N | 🇺🇸 US 🇨🇦 CA | Does Not Include Pulley | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Fits: 12.4L L6 DIESEL Turbocharged | 718410N | 🇺🇸 US 🇨🇦 CA | New Alternator160 Amps | 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 2018 International Prostar come from 2 brands — WAI GLOBAL and FAMOUS BRAND. The "Popular" part is WAI GLOBAL 8410N.
The New section lists 6 options from WAI GLOBAL — brand-new units rather than rebuilt ones. WAI GLOBAL 8410N is listed in this group.
The Remanufactured section lists 1 option from FAMOUS BRAND — factory-rebuilt units with new wear components. FAMOUS BRAND 718410N is listed in this group.
Listed part numbers: WAI GLOBAL 8410N, WAI GLOBAL 8681N and WAI GLOBAL 8719N, plus the other parts above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2018 Prostar engines | 31XAGMT | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 31 | View on Amazon |
| FVP Popular Fits: all 2018 Prostar engines | P31TAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 31T | View on Amazon |
| EXIDE Fits: all 2018 Prostar engines | RF31D | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RoadforceBCI Group 31 | View on Amazon |
| EXIDE Fits: all 2018 Prostar engines | XRF31D | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RoadforceBCI Group 31 | View on Amazon |
| MOTORCRAFT Fits: all 2018 Prostar engines | BHAGM31 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fleettough/ExtraBCI Group: 31 | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: all 2018 Prostar engines | FT110031ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2018 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 2018 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.
Part numbers include ACDELCO 31XAGMT, FVP P31TAGM and EXIDE RF31D, among others listed above.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Fits: 12.4L L6 DIESEL Turbocharged | 726859N | 🇺🇸 US 🇨🇦 CA | with Integral Magnetic SwitchDelco 38MT | View on Amazon |
| WAI GLOBAL Fits: 12.4L L6 DIESEL Turbocharged | 6907N | 🇺🇸 US 🇨🇦 CA | Optional ReplacementDelco 39MT Rotatable Drive End Frame | 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 | 34044N | 🇺🇸 US 🇨🇦 CA | 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.
4 Starter Motor parts for the 2018 International Prostar come from 2 brands — WAI GLOBAL and FAMOUS BRAND.
Part numbers include FAMOUS BRAND 726859N, WAI GLOBAL 6907N and WAI GLOBAL 6859N, among others listed above.
Buying Electrical Parts for a 2018 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 Battery .
Frequently Asked Questions
How many electrical parts fit the 2018 International Prostar?
Our catalog currently lists 17 electrical parts for the 2018 International Prostar across 3 subcategories and 7 brands, covering both the 12.4L L6 DIESEL Turbocharged and the 14.9L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2018 International Prostar engines?
Some do. 6 parts fit every engine; the other 11 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 2018 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 2018 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 2018 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 2018 International Prostar
Electrical Parts for Other International Prostar Years
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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.