2018 Honda Fit Electrical Parts

Engine:
1.5L L4

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.

Alternator / Generator

New

Brand Part Number Markets Notes Buy
WAI GLOBAL Popular 21151N
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Manual trans.Mitsubishi
Fitment notes — WAI GLOBAL 21151N
Manual trans.Mitsubishi105 Amps
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Remanufactured

Brand Part Number Markets Notes Buy
PURE ENERGY Popular 11878
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Remanufactured
Fitment notes — PURE ENERGY 11878
Remanufactured
Automatic CVT trans.105 Amps
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Amazon
PURE ENERGY 10348
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Remanufactured
Fitment notes — PURE ENERGY 10348
Remanufactured
Manual trans.
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Amazon
REMY 11311
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Remanufactured
Fitment notes — REMY 11311
Remanufactured
Automatic CVT trans.105 Amps
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Amazon
REMY 11309
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Remanufactured
Fitment notes — REMY 11309
Remanufactured
Manual trans.105 Amps
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Amazon
TERREPOWER 42181
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Remanufactured
Fitment notes — TERREPOWER 42181
Remanufactured
Manual trans.105 Amps
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Amazon
TERREPOWER 42182
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Remanufactured
Fitment notes — TERREPOWER 42182
Remanufactured
Automatic CVT trans.105 Amps
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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.

Alternator / Generator Pulley

Brand Part Number Markets Notes Buy
CONTINENTAL 49919
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Automatic CVT transmission
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LITENS 920768A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with CVT
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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.

Battery

Brand Part Number Markets Notes Buy
ACDELCO 51RAGM
🇺🇸 US 🇨🇦 CA
AGMBCI Group: 51R
Fitment notes — ACDELCO 51RAGM
AGMBCI Group: 51RCCA: 450 ARC: 75 MJLength x Width x Height: 9.4 In x 5.1 In x 8.8 In
Best Fit estimate - Check dimensions For clearance (May require removal of battery Pan To Fit)
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DEKA 9A51RT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
AGMIntimidator
Fitment notes — DEKA 9A51RT
AGMIntimidatorBCI Group 51R500 CCALength X Width X Height: 9.3125 In x 5 In x 8.625 In
Best Fit estimate - Check dimensions For clearance (May require removal of battery Pan To Fit).
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EXIDE MX51R
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Marathon MaxBCI Group 51R
Fitment notes — EXIDE MX51R
Marathon MaxBCI Group 51RCCA: 43575 Minute Reserve CapacityAGM(LxWxH) 9.31" x 4.94" x 8.63"
Best Fit estimate - Check dimensions For clearance (May require removal of battery Pan To Fit)
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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.

Horn

Brand Part Number Markets Notes Buy
HELLA 012010911
🇺🇸 US 🇨🇦 CA
AccessoryHella OE-Connect Horn TE26 Set
Fitment notes — HELLA 012010911
AccessoryHella OE-Connect Horn TE26 SetElectric- Housing Color: BlackECE
EX Model or EX-L Model or LX Model or Sport110DBA400HZ-500HZLow Tone/High ToneLow Tone
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This table covers the horns mounted in the front of the vehicle.

Keyless Entry Remote

Brand Part Number Markets Notes Buy
DORMAN 99554ST
🇺🇸 US 🇨🇦 CA
Requires Locksmith Or Additional Scan Tool To Program
Fitment notes — DORMAN 99554ST
Requires Locksmith Or Additional Scan Tool To Program
DX Model or LX Model or Sport3 ButtonOE FCC ID: MLBHLIK6-1T
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DORMAN 99551ST
🇺🇸 US 🇨🇦 CA
Requires Locksmith Or Additional Scan Tool To Program
Fitment notes — DORMAN 99551ST
Requires Locksmith Or Additional Scan Tool To Program
EX Model or EX-L Model4 ButtonOE FCC ID: 2AOKM-GV3
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This table covers the key fobs that lock, unlock and start the vehicle.

Speed Sensor

Economy

Brand Part Number Markets Notes Buy
HOLSTEIN Popular 2VSS0073
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Manual trans.Vehicle Speed
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Amazon
HOLSTEIN Popular 2VSS0523
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Automatic CVT trans.Vehicle Speed
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Amazon
BECK/ARNLEY 0900011
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Transmission Code J5KCDrive Pulley Speed Sensor
Fitment notes — BECK/ARNLEY 0900011
Transmission Code J5KCDrive Pulley Speed SensorRevolution SensorAutomatic CVT trans.
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VEMO V26770038
🇺🇸 US 🇨🇦 CA
EX Model or EX-L Model or LX Model or SportVehicle Speed
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Standard Replacement

Brand Part Number Markets Notes Buy
WALKER PRODUCTS Popular 2401165
🇺🇸 US 🇨🇦 CA
EX Model or LX Model or SportManual Trans Revolution Sensor
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Amazon
DELPHI SS12387
🇺🇸 US 🇨🇦 CA
Revolution Sensor
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Amazon
DELPHI SS12388
🇺🇸 US 🇨🇦 CA
EX Model or EX-L Model or LX Model or SportRevolution Sensor
Fitment notes — DELPHI SS12388
EX Model or EX-L Model or LX Model or SportRevolution SensorAutomatic CVT trans.
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Amazon
STANDARD MOTOR PRODUCTS SC495
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Manual trans.Vehicle Speed
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STANDARD MOTOR PRODUCTS SC655
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Color/Finish: Black
Fitment notes — STANDARD MOTOR PRODUCTS SC655
Color/Finish: Black
Automatic CVT trans.Vehicle Speed
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STANDARD MOTOR PRODUCTS SC657
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Color/Finish: Black, Cream, Silver
Fitment notes — STANDARD MOTOR PRODUCTS SC657
Color/Finish: Black, Cream, Silver
Automatic CVT trans.Transmission SpeedOutput
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STANDARD MOTOR PRODUCTS SC656
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Automatic CVT trans.Input Sensor
Fitment notes — STANDARD MOTOR PRODUCTS SC656
Automatic CVT trans.Input SensorTransmission SpeedInput
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WALKER PRODUCTS 2401525
🇺🇸 US 🇨🇦 CA
EX Model or EX-L Model or LX Model or SportTransmission Speed
Fitment notes — WALKER PRODUCTS 2401525
EX Model or EX-L Model or LX Model or SportTransmission SpeedAuto CVT Trans Revolution Sensor
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WELLS 5S16754
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Automatic CVT trans.In Transmission Main and Torque Converter Case
Fitment notes — WELLS 5S16754
Automatic CVT trans.In Transmission Main and Torque Converter CaseTransmission Speed
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WELLS 5S16735
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Automatic CVT trans.In Left Side Cover and Torque Converter Case
Fitment notes — WELLS 5S16735
Automatic CVT trans.In Left Side Cover and Torque Converter CaseTransmission SpeedOutput
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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.

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.

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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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.