The 2019 Mazda CX-3 has 32 electrical parts with verified fitment on this page — 6 part types and 17 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 2019 Mazda CX-3 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Starter Motor (13 parts), Alternator / Generator (7 parts) and Battery (6 parts). The other 3 part types cover the remaining 6 parts.
The 2019 Mazda CX-3 came with a single engine, the 2.0L L4, and every part is verified against it.
17 brands supply electrical parts for the 2019 Mazda CX-3, led by BOSCH (4 parts), ACDELCO (3 parts) and FVP (3 parts), plus 14 more brands. Quality grades include Remanufactured, New and AGM.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2019 Mazda CX-3. 7 parts have it, including WAI GLOBAL 20288N (Alternator / Generator) and DEKA 9A3585 (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 | 20288N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 100 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 3343211A | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH | AL4246X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 10323 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 10323 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11379 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 42143 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | 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 Mazda CX-3 come from 7 brands — WAI GLOBAL, ACDELCO, BOSCH and 4 other brands. The "Popular" part is WAI GLOBAL 20288N.
The New section lists 1 option from WAI GLOBAL — brand-new units rather than rebuilt ones. WAI GLOBAL 20288N is listed in this group.
The Remanufactured section lists 6 options from ACDELCO, BOSCH, FVP and 3 other brands — factory-rebuilt units with new wear components. ACDELCO 3343211A is listed in this group.
Listed part numbers: WAI GLOBAL 20288N, ACDELCO 3343211A and BOSCH AL4246X, plus the other parts above.
Alternator / Generator End Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 1986AE0627 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Inner | View on Amazon |
This table covers the bearings in the alternator housing. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
One part is listed for the 2019 Mazda CX-3 — BOSCH 1986AE0627.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 9A3585 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| FVP Popular | P35AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 35 | View on Amazon |
| ACDELCO | 35AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 35 | View on Amazon |
| EXIDE | MX35 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 35 | View on Amazon |
| P1MAX | PMAGM35 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 35 AGM650 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER | FT75035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 35(Length X Width X Height) 9.45 In x 6.85 In x 8.66 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 2019 Mazda CX-3, from DEKA, FVP, ACDELCO and 3 other brands. DEKA 9A3585 carries the "Popular" badge.
The AGM (Extended Life) section lists 5 options from DEKA, FVP, ACDELCO and 2 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A3585 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 FT75035 is listed in this group.
Listed part numbers: DEKA 9A3585, FVP P35AGM and ACDELCO 35AGM, plus the other parts above.
Blind Spot Detection Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 012692641 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CAPA CertifiedModule | View on Amazon |
| HELLA | 012692651 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CAPA CertifiedModule | View on Amazon |
| TECHPRO | MA1778100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blind Spot ModuleADAS sensor | View on Amazon |
| TECHPRO | MA1779100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blind Spot ModuleADAS sensor | View on Amazon |
This table covers the Blind Spot Detection sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
4 Blind Spot Detection Sensor parts for the 2019 Mazda CX-3 come from 2 brands — HELLA and TECHPRO.
This group includes HELLA 012692641, HELLA 012692651 and TECHPRO MA1778100 and the remaining parts above.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 5S16473 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Rain sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
This group shows a single part: WELLS 5S16473.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK19532 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TYC Popular | 119981 | 🇺🇸 US | View on Amazon | |
| BOSCH | SR4249N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| REMY | 99252 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TERREPOWER | N52041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WAI GLOBAL | 16377N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MITSUBISHI | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 3362265 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH | SR4249X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| DENSO | 2804227 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| FVP | 19532 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 19532 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 16222 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 52041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
13 Starter Motor parts for the 2019 Mazda CX-3 come from 10 brands — BOSCH, REMY, TERREPOWER and 7 other brands. The "Popular" part is SKP SK19532.
The New section: 6 options from SKP, TYC, BOSCH and 3 other brands. SKP SK19532 is listed in this group.
The Remanufactured section: 7 options from ACDELCO, BOSCH, DENSO and 4 other brands. ACDELCO 3362265 is listed in this group.
Buying Electrical Parts for a 2019 Mazda CX-3
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.
- Confirm you have the 2.0L L4 engine — every part on this page is matched to it.
- 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: Starter Motor and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2019 Mazda CX-3?
Our catalog currently lists 32 electrical parts for the 2019 Mazda CX-3 across 6 subcategories and 17 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2019 Mazda CX-3?
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 Mazda CX-3 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 Mazda CX-3?
Every part on this page is matched to the 2.0L L4 engine. 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 Mazda CX-3
Electrical Parts for Other Mazda CX-3 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.