This page lists 34 electrical parts for the 2020 Mazda CX-5, across 5 part types, covering both the 2.5L L4 and the 2.5L L4 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2020 Mazda CX-5, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. 24 parts of the 34 listed are Starter Motor (11 parts), Horn (7 parts) and Battery (6 parts). The other 2 part types cover the remaining 10 parts.
The 2020 Mazda CX-5 was sold with both the 2.5L L4 and the 2.5L L4 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
17 brands supply electrical parts for the 2020 Mazda CX-5, led by FIAMM (7 parts), ACDELCO (3 parts) and FVP (3 parts), plus 14 more brands. Quality grades include Remanufactured, Accessory Replacement and AGM.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2020 Mazda CX-5. 9 parts have it, including ACDELCO 3343211A (Alternator / Generator) and DEKA 9A3585 (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 2.5L L4 | 3343211A | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| FVP Fits: 2.5L L4 | 10323 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 2.5L L4 | 10323 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 2.5L L4 | 11379 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.5L L4 | 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.
5 Alternator / Generator parts for the 2020 Mazda CX-5 come from 5 brands — ACDELCO, FVP, PURE ENERGY and 2 other brands. The "Popular" part is ACDELCO 3343211A.
This group includes ACDELCO 3343211A and FVP 10323 and the remaining parts above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular Fits: 2.5L L4 | 9A3585 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| FVP Popular Fits: 2.5L L4 | P35AGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 35 | View on Amazon |
| ACDELCO Fits: 2.5L L4 | 35AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 35 | View on Amazon |
| EXIDE Fits: 2.5L L4 | MX35 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 35 | View on Amazon |
| P1MAX Fits: 2.5L L4 | 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 | 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 2020 Mazda CX-5, 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.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: 2.5L L4 | 72112 | 🇺🇸 US 🇨🇦 CA | Freeway BlasterAccessory Horn | View on Amazon |
| FIAMM Fits: 2.5L L4 | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM Fits: 2.5L L4 | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM Fits: 2.5L L4 | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM Fits: 2.5L L4 | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: 2.5L L4 | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: 2.5L L4 | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
FIAMM supplies the 7 Horn parts for the 2020 Mazda CX-5. FIAMM 72112 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 72112.
The Standard Replacement section lists 2 options from FIAMM — built to original-equipment specification. FIAMM 7421122 is listed in this group.
Listed part numbers: FIAMM 72112, FIAMM 7410024 and FIAMM 6602023, plus the other parts above.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 2.5L L4 | PPS241 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| AUTOTECNICA Fits: 2.5L L4 | MA1321033 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear Outer | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | PPS240 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| TECHPRO Fits: 2.5L L4 | MA1075100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| TECHPRO Fits: 2.5L L4 | 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 2020 Mazda CX-5 come from 3 brands — STANDARD MOTOR PRODUCTS, TECHPRO and AUTOTECNICA. The "Popular" part is STANDARD MOTOR PRODUCTS PPS241.
Listed part numbers: STANDARD MOTOR PRODUCTS PPS241, AUTOTECNICA MA1321033 and STANDARD MOTOR PRODUCTS PPS240, plus the other parts above.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular Fits: 2.5L L4 | 111713 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Auto Start/Stop | View on Amazon |
| ULTRA-POWER Popular Fits: 2.5L L4 | 111713 | 🇺🇸 US 🇨🇦 CA | Grand Touring (Except Grand Touring Reserve, i Grand Touring, s Grand Touring)Sport (Except I Sport) | View on Amazon |
| BOSCH Fits: 2.5L L4 | SR4245N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TERREPOWER Fits: 2.5L L4 | N52040 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WAI GLOBAL Fits: 2.5L L4 | 11713N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 2.5L L4 | 3362266 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| BOSCH Fits: 2.5L L4 | SR4245X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 2.5L L4 | 19541 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 2.5L L4 | 19541 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 2.5L L4 | 16232 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.5L L4 | 52040 | 🇺🇸 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.
11 Starter Motor parts for the 2020 Mazda CX-5 come from 9 brands — BOSCH, TERREPOWER, TYC and 6 other brands. The "Popular" part is TYC 111713.
The New section lists 5 options from TYC, ULTRA-POWER, BOSCH and 2 other brands — brand-new units rather than rebuilt ones. TYC 111713 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 3362266 is listed in this group.
Buying Electrical Parts for a 2020 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: Starter Motor and Horn .
Frequently Asked Questions
How many electrical parts fit the 2020 Mazda CX-5?
Our catalog currently lists 34 electrical parts for the 2020 Mazda CX-5 across 5 subcategories and 17 brands, covering both the 2.5L L4 and the 2.5L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2020 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 2020 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 2020 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 2020 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 2020 Mazda CX-5
Electrical Parts for Other Mazda CX-5 Years
Switch vehicle or jump to a subcategory
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.