The 2025 Kia K4 has 11 electrical parts with verified fitment on this page — 4 part types and 9 brands, covering both the 1.6L L4 Turbocharged and the 2.0L L4. Each part includes a manufacturer part number and application notes.
On the 2025 Kia K4, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Battery (5 parts), Alternator / Generator (4 parts) and Anti-Theft Siren (1 part). The other 1 part type covers the remaining 1 part.
The 2025 Kia K4 was sold with both the 1.6L L4 Turbocharged and the 2.0L L4. 6 parts fit every engine; the other 5 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2025 Kia K4 electrical parts are WAI GLOBAL (2 parts), ACDELCO (2 parts) and REMY (1 part), plus 6 more brands. Quality grades include Remanufactured and New.
1 part on this 2025 Kia K4 page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — ACDELCO 47AGM (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 1.6L L4 Turbocharged | 11973N | 🇺🇸 US 🇨🇦 CA | 130 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REMY Fits: 1.6L L4 Turbocharged | 11535 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 1.6L L4 Turbocharged | 11973 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 2.0L L4 | 21694N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 150 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.
4 Alternator / Generator parts are listed for the 2025 Kia K4, from WAI GLOBAL, REMY and TERREPOWER.
In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 11973N.
In the Remanufactured grade, REMY and TERREPOWER supply 2 parts: factory-rebuilt units with new wear components. A representative part number is REMY 11535.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes WAI GLOBAL 11973N, REMY 11535 and TERREPOWER 11973 and the remaining parts above.
Anti-Theft Siren
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HYUNDAI Fits: all 2025 K4 engines | 957101R000 | 🇺🇸 US | Front | View on Amazon |
This table covers the sirens in the anti-theft system.
This group shows a single part: HYUNDAI 957101R000.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2025 K4 engines | 47AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 47 | View on Amazon |
| ACDELCO Fits: all 2025 K4 engines | 47SAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 47 | View on Amazon |
| DEKA Fits: all 2025 K4 engines | 9A47 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: all 2025 K4 engines | MXH5L247 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 47 (H5) | View on Amazon |
| FVP Fits: all 2025 K4 engines | P47AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 47 | 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 2025 Kia K4 come from 4 brands — ACDELCO, DEKA, EXIDE and 1 other brand. The "Popular" part is ACDELCO 47AGM. Every part fits both the 1.6L L4 Turbocharged and the 2.0L L4.
Listed part numbers: ACDELCO 47AGM, ACDELCO 47SAGM and DEKA 9A47, plus the other parts above.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Fits: 2.0L L4 | 116413 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
One part is listed for the 2025 Kia K4 — TYC 116413.
Buying Electrical Parts for a 2025 Kia K4
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 2025 Kia K4?
Our catalog currently lists 11 electrical parts for the 2025 Kia K4 across 4 subcategories and 9 brands, covering both the 1.6L L4 Turbocharged and the 2.0L L4. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2025 Kia K4 engines?
Some do. 6 parts fit 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 2025 Kia K4?
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 2025 Kia K4 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 2025 Kia K4?
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 2025 Kia K4
Electrical Parts for Other Kia K4 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.