35 Electrical parts are listed for the 2018 Honda Fit, in 7 part types, covering the 1.5L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 Honda Fit, 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 Speed Sensor (14 parts), Alternator / Generator (7 parts) and Starter Motor (6 parts). The other 4 part types cover the remaining 8 parts.
The 2018 Honda Fit came with a single engine, the 1.5L L4, and every part is verified against it.
20 brands supply electrical parts for the 2018 Honda Fit, led by STANDARD MOTOR PRODUCTS (4 parts), PURE ENERGY (3 parts) and REMY (3 parts), plus 17 more brands. Quality grades include Remanufactured, Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Honda Fit. 7 parts have it, including WAI GLOBAL 21151N (Alternator / Generator) and HOLSTEIN 2VSS0073 (Speed Sensor). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Popular | 21151N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans.Mitsubishi | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 11878 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 10348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11311 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11309 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 42181 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 42182 | 🇺🇸 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 2018 Honda Fit come from 4 brands — PURE ENERGY, REMY, TERREPOWER and 1 other brand. The "Popular" part is WAI GLOBAL 21151N.
The New section lists 1 option from WAI GLOBAL — brand-new units rather than rebuilt ones. WAI GLOBAL 21151N is listed in this group.
The Remanufactured section lists 6 options from PURE ENERGY, REMY and TERREPOWER — factory-rebuilt units with new wear components. PURE ENERGY 11878 is listed in this group.
Part numbers include WAI GLOBAL 21151N, PURE ENERGY 11878 and PURE ENERGY 10348, among others listed above.
Alternator / Generator Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 49919 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT transmission | View on Amazon |
| LITENS | 920768A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with CVT | View on Amazon |
This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.
2 Alternator / Generator Pulley parts are listed for the 2018 Honda Fit, from CONTINENTAL and LITENS.
Part numbers include CONTINENTAL 49919 and LITENS 920768A.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 51RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 51R | View on Amazon |
| DEKA | 9A51RT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMIntimidator | View on Amazon |
| EXIDE | MX51R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 51R | 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.
3 Battery parts are listed for the 2018 Honda Fit, from ACDELCO, DEKA and EXIDE.
Part numbers include ACDELCO 51RAGM, DEKA 9A51RT and EXIDE MX51R.
Horn
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 012010911 | 🇺🇸 US 🇨🇦 CA | AccessoryHella OE-Connect Horn TE26 Set | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
One part is listed for the 2018 Honda Fit — HELLA 012010911.
Keyless Entry Remote
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 99554ST | 🇺🇸 US 🇨🇦 CA | Requires Locksmith Or Additional Scan Tool To Program | View on Amazon |
| DORMAN | 99551ST | 🇺🇸 US 🇨🇦 CA | Requires Locksmith Or Additional Scan Tool To Program | View on Amazon |
This table covers the key fobs that lock, unlock and start the vehicle.
2 Keyless Entry Remote parts for the 2018 Honda Fit come from DORMAN.
Part numbers include DORMAN 99554ST and DORMAN 99551ST.
Speed Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Popular | 2VSS0073 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans.Vehicle Speed | View on Amazon |
| HOLSTEIN Popular | 2VSS0523 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans.Vehicle Speed | View on Amazon |
| BECK/ARNLEY | 0900011 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission Code J5KCDrive Pulley Speed Sensor | View on Amazon |
| VEMO | V26770038 | 🇺🇸 US 🇨🇦 CA | EX Model or EX-L Model or LX Model or SportVehicle Speed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Popular | 2401165 | 🇺🇸 US 🇨🇦 CA | EX Model or LX Model or SportManual Trans Revolution Sensor | View on Amazon |
| DELPHI | SS12387 | 🇺🇸 US 🇨🇦 CA | Revolution Sensor | View on Amazon |
| DELPHI | SS12388 | 🇺🇸 US 🇨🇦 CA | EX Model or EX-L Model or LX Model or SportRevolution Sensor | View on Amazon |
| STANDARD MOTOR PRODUCTS | SC495 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans.Vehicle Speed | View on Amazon |
| STANDARD MOTOR PRODUCTS | SC655 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color/Finish: Black | View on Amazon |
| STANDARD MOTOR PRODUCTS | SC657 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color/Finish: Black, Cream, Silver | View on Amazon |
| STANDARD MOTOR PRODUCTS | SC656 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans.Input Sensor | View on Amazon |
| WALKER PRODUCTS | 2401525 | 🇺🇸 US 🇨🇦 CA | EX Model or EX-L Model or LX Model or SportTransmission Speed | View on Amazon |
| WELLS | 5S16754 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans.In Transmission Main and Torque Converter Case | View on Amazon |
| WELLS | 5S16735 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans.In Left Side Cover and Torque Converter Case | View on Amazon |
This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.
14 Speed Sensor parts are listed for the 2018 Honda Fit, from STANDARD MOTOR PRODUCTS, HOLSTEIN, WALKER PRODUCTS and 4 other brands. HOLSTEIN 2VSS0073 carries the "Popular" badge.
In the Economy grade, HOLSTEIN, BECK/ARNLEY and VEMO supply 4 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2VSS0073.
The Standard Replacement section lists 10 options from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, DELPHI and 1 other brand — built to original-equipment specification. WALKER PRODUCTS 2401165 is listed in this group.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL | 30639N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 19572 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Popular | 16283 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| BOSCH | SR1364X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| DENSO | 2806025 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| TERREPOWER | 52073 | 🇺🇸 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.
6 Starter Motor parts for the 2018 Honda Fit come from 6 brands — WAI GLOBAL, PURE ENERGY, REMY and 3 other brands. The "Popular" part is PURE ENERGY 19572.
The New section: 1 option from WAI GLOBAL. WAI GLOBAL 30639N is listed in this group.
The Remanufactured section: 5 options from PURE ENERGY, REMY, BOSCH and 2 other brands. PURE ENERGY 19572 is listed in this group.
This group includes PURE ENERGY 19572, WAI GLOBAL 30639N and REMY 16283 and the remaining parts above.
Buying Electrical Parts for a 2018 Honda Fit
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 1.5L 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: Speed Sensor and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2018 Honda Fit?
Our catalog currently lists 35 electrical parts for the 2018 Honda Fit across 7 subcategories and 20 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2018 Honda Fit?
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 Honda Fit 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 Honda Fit?
Every part on this page is matched to the 1.5L 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 2018 Honda Fit
Electrical Parts for Other Honda Fit Years
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