This page lists 38 electrical parts for the 2019 Mazda CX-5, across 6 part types, covering all 4 engine options (2.0L L4, 2.2L L4 DIESEL Turbocharged, 2.5L L4 and 2.5L L4 Turbocharged). Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 2019 Mazda CX-5 covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Horn (10 parts), Alternator / Generator (8 parts) and Battery (8 parts). The other 3 part types cover the remaining 12 parts.
The 2019 Mazda CX-5 was sold with 4 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
16 brands supply electrical parts for the 2019 Mazda CX-5, led by FIAMM (10 parts), FVP (4 parts) and PURE ENERGY (3 parts), plus 13 more brands. Quality grades include Remanufactured, Accessory Replacement and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2019 Mazda CX-5. 7 parts have it, including SKP SK42155 (Alternator / Generator) and FVP P35AGM (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 2.5L L4 Turbocharged | SK42155 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 150 Amps | View on Amazon |
| WAI GLOBAL Popular Fits: 2.5L L4 Turbocharged | 40011N | 🇺🇸 US 🇨🇦 CA | 150 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 2.5L L4 Turbocharged | 11892 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 2.5L L4 Turbocharged | 11892 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 2.5L L4 Turbocharged | 11496 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.5L L4 Turbocharged | 42155 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 2.2L L4 DIESEL Turbocharged | 11837 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 2.2L L4 DIESEL Turbocharged | 11837 | 🇺🇸 US 🇨🇦 CA | 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.
8 Alternator / Generator parts for the 2019 Mazda CX-5 come from 6 brands — FVP, PURE ENERGY, SKP and 3 other brands. The "Popular" part is SKP SK42155.
The New section lists 2 options from SKP and WAI GLOBAL — brand-new units rather than rebuilt ones. SKP SK42155 is listed in this group.
The Remanufactured section lists 4 options from FVP, PURE ENERGY, REMY and 1 other brand — factory-rebuilt units with new wear components. FVP 11892 is listed in this group.
2 further parts sit outside the graded sections, with the same engine-level match.
Listed part numbers: SKP SK42155, WAI GLOBAL 40011N and FVP 11892, plus the other parts above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: 2.5L L4 Turbocharged | P35AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 35 | View on Amazon |
| ACDELCO Fits: 2.5L L4 Turbocharged | 35AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 35 | View on Amazon |
| EXIDE Fits: 2.5L L4 Turbocharged | MX35 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 35 | View on Amazon |
| P1MAX Fits: 2.5L L4 Turbocharged | 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 Fits: 2.5L L4 Turbocharged | 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 |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Fits: 2.2L L4 DIESEL Turbocharged | 9A34R | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| DEKA Fits: 2.2L L4 DIESEL Turbocharged | 9A24F | 🇺🇸 US 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| FULLRIVER Fits: 2.2L L4 DIESEL Turbocharged | FT96527F | 🇺🇸 US 🇨🇦 CA | BCI Group 27F(Length X Width X Height) 12.09 In x 6.65 In x 9.33 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.
8 Battery parts are listed for the 2019 Mazda CX-5, from FULLRIVER, DEKA, FVP and 3 other brands. FVP P35AGM carries the "Popular" badge.
The AGM (Extended Life) section lists 4 options from FVP, ACDELCO, EXIDE and 1 other brand — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. FVP P35AGM 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.
3 ungrouped parts are not assigned to a grade, with the same engine-level match.
Listed part numbers: FVP P35AGM, ACDELCO 35AGM and EXIDE MX35, plus the other parts above.
Blind Spot Detection Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.5L L4 Turbocharged | 012692641 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CAPA CertifiedModule | View on Amazon |
| HELLA Fits: 2.5L L4 Turbocharged | 012692651 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CAPA CertifiedModule | 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.
2 Blind Spot Detection Sensor parts for the 2019 Mazda CX-5 come from HELLA.
This group includes HELLA 012692641 and HELLA 012692651.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Fits: 2.5L L4 Turbocharged | 7211223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Horn (Louder)FWY Blaster | View on Amazon |
| FIAMM Fits: 2.5L L4 Turbocharged | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM Fits: 2.5L L4 Turbocharged | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM Fits: 2.5L L4 Turbocharged | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM Fits: 2.5L L4 Turbocharged | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: 2.5L L4 Turbocharged | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Popular Fits: 2.5L L4 Turbocharged | 7250522 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: 2.5L L4 Turbocharged | 4036523 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Disc Horn125 dB | View on Amazon |
| FIAMM Fits: 2.5L L4 Turbocharged | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
| FIAMM Fits: 2.5L L4 Turbocharged | 7250622 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
FIAMM supplies the 10 Horn parts for the 2019 Mazda CX-5. FIAMM 7421122 carries the "Popular" badge.
In the Accessory Replacement grade, FIAMM supplies 5 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 7211223.
The Standard Replacement section lists 5 options from FIAMM — built to original-equipment specification. FIAMM 7421122 is listed in this group.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.5L L4 Turbocharged | PPS241 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| AUTOTECNICA Fits: 2.5L L4 Turbocharged | MA1321033 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear Outer | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 Turbocharged | PPS240 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| TECHPRO Fits: 2.5L L4 Turbocharged | MA1075100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| TECHPRO Fits: 2.5L L4 Turbocharged | MA1075101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
This table covers the ultrasonic park-aid sensors in the bumper. 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.
5 Parking Aid Sensor parts for the 2019 Mazda CX-5 come from 3 brands — STANDARD MOTOR PRODUCTS, TECHPRO and AUTOTECNICA. The "Popular" part is STANDARD MOTOR PRODUCTS PPS241.
This group includes STANDARD MOTOR PRODUCTS PPS241, AUTOTECNICA MA1321033 and STANDARD MOTOR PRODUCTS PPS240 and the remaining parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 2.5L L4 Turbocharged | 19348N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 2.5L L4 Turbocharged | 12469 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 2.5L L4 Turbocharged | 12469 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 2.5L L4 Turbocharged | 16325 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.5L L4 Turbocharged | 52124 | 🇺🇸 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.
5 Starter Motor parts for the 2019 Mazda CX-5 come from 5 brands — WAI GLOBAL, PURE ENERGY, FVP and 2 other brands. The "Popular" part is PURE ENERGY 12469.
The New section: 1 option from WAI GLOBAL. WAI GLOBAL 19348N is listed in this group.
The Remanufactured section: 4 options from PURE ENERGY, FVP, REMY and 1 other brand. PURE ENERGY 12469 is listed in this group.
Listed part numbers: PURE ENERGY 12469 and WAI GLOBAL 19348N, plus the other parts above.
Buying Electrical Parts for a 2019 Mazda CX-5
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. Every electrical part here is 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: Horn and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2019 Mazda CX-5?
Our catalog currently lists 38 electrical parts for the 2019 Mazda CX-5 across 6 subcategories and 16 brands, covering all 4 engine options (2.0L L4, 2.2L L4 DIESEL Turbocharged, 2.5L L4 and 2.5L L4 Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2019 Mazda CX-5 engines?
Yes. Every electrical part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 2019 Mazda CX-5?
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-5 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-5?
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 2019 Mazda CX-5
Electrical Parts for Other Mazda CX-5 Years
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