This page lists 27 electrical parts for the 2018 Toyota Prius V, across 4 part types, covering the 1.8L L4 ELECTRIC/GAS engine. Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 2018 Toyota Prius V covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Horn (12 parts), Fuse (10 parts) and Battery (4 parts). The other 1 part type covers the remaining 1 part.
The 2018 Toyota Prius V came with a single engine, the 1.8L L4 ELECTRIC/GAS, and every part is verified against it.
7 brands supply electrical parts for the 2018 Toyota Prius V, led by FIAMM (12 parts), BUSSMANN (10 parts) and BOSCH (1 part), plus 4 more brands. Quality grades include Accessory Replacement, Standard Replacement and 30 Amp.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Toyota Prius V. 5 parts have it, including BUSSMANN ATM20LP (Fuse) and FIAMM 7210223 (Horn). Each part number opens a page with every vehicle that part fits.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | S6535B | 🇨🇦 CA | AGMAGM | View on Amazon |
| DEKA | 9A51P | 🇨🇦 CA | IntimidatorAGM | View on Amazon |
| EXIDE | MX51JIS | 🇨🇦 CA | Marathon MaxBCI Group S46B24R | View on Amazon |
| FVP | PS46B24RAGM | 🇨🇦 CA | Platinum AGMBCI Group: B24 | 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.
4 Battery parts are listed for the 2018 Toyota Prius V, from BOSCH, DEKA, EXIDE and 1 other brand.
Listed part numbers: BOSCH S6535B, DEKA 9A51P and EXIDE MX51JIS, plus the other parts above.
Battery Cooling Fan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 76809 | 🇨🇦 CA | View on Amazon |
This table covers the Battery Cooling fans. Typical signs include overheating at idle, a fan that never comes on, or a blade that hits the shroud. Confirm the fan command and the relay before replacing the assembly.
One part is listed for the 2018 Toyota Prius V — FOUR SEASONS 76809.
Fuse
10 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | ATM10LP | 🇺🇸 US 🇨🇦 CA | Blade FuseLow Profile | View on Amazon |
15 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | ATM15LP | 🇺🇸 US 🇨🇦 CA | Blade FuseLow Profile | View on Amazon |
20 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular | ATM20LP | 🇺🇸 US 🇨🇦 CA | Blade FuseLow Profile | View on Amazon |
25 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | ATM25LP | 🇺🇸 US 🇨🇦 CA | Blade FuseLow Profile | View on Amazon |
30 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular | FMX30LP | 🇺🇸 US 🇨🇦 CA | 30 AmpsFMX Series | View on Amazon |
| BUSSMANN | ATM30LP | 🇺🇸 US 🇨🇦 CA | Blade FuseLow Profile | View on Amazon |
5 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | ATM5LP | 🇺🇸 US 🇨🇦 CA | Blade FuseLow Profile | View on Amazon |
50 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | FMX50LP | 🇺🇸 US 🇨🇦 CA | 50 AmpsFMX Series | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN | MPF2533X | 🇺🇸 US 🇨🇦 CA | 533 AmpsMPF multi-pole automotive fuses | View on Amazon |
| BUSSMANN | MPF2433X | 🇺🇸 US 🇨🇦 CA | MPF multi-pole automotive fuses40 / 30 / 30 Amps | View on Amazon |
This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse.
BUSSMANN supplies the 10 Fuse parts for the 2018 Toyota Prius V. BUSSMANN ATM20LP carries the "Popular" badge.
The 10 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM10LP is listed in this group.
In the 15 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM15LP.
In the 20 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM20LP.
The 25 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM25LP is listed in this group.
The 30 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMX30LP is listed in this group.
The 5 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM5LP is listed in this group.
The 50 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMX50LP is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular | 7210223 | 🇨🇦 CA | Accessory HornFreeway Blaster | View on Amazon |
| FIAMM | 7211223 | 🇨🇦 CA | Accessory Horn (Louder)FWY Blaster | View on Amazon |
| FIAMM | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular | 7201223 | 🇨🇦 CA | OE Replacement Tone2 Terminal Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Popular | 7200223 | 🇨🇦 CA | OE Replacement Tone2 Terminal Blade Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
| FIAMM | 7250622 | 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM | 7250522 | 🇨🇦 CA | 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 12 Horn parts for the 2018 Toyota Prius V. FIAMM 7210223 carries the "Popular" badge.
In the Accessory Replacement grade, FIAMM supplies 6 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 7210223.
The Standard Replacement section lists 6 options from FIAMM — built to original-equipment specification. FIAMM 7201223 is listed in this group.
Buying Electrical Parts for a 2018 Toyota Prius V
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 1.8L L4 ELECTRIC/GAS 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.
Frequently Asked Questions
How many electrical parts fit the 2018 Toyota Prius V?
Our catalog currently lists 27 electrical parts for the 2018 Toyota Prius V across 4 subcategories and 7 brands, covering the 1.8L L4 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2018 Toyota Prius V?
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 Toyota Prius V 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 Toyota Prius V?
Every part on this page is matched to the 1.8L L4 ELECTRIC/GAS 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 2018 Toyota Prius V
Electrical Parts for Other Toyota Prius V 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.