2021 Nissan Maxima Electrical Parts

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. Read more

5 Alternator / Generator parts for the 2021 Nissan Maxima come from 5 brands — WAI GLOBAL, FVP, PURE ENERGY and 2 other brands. The "Popular" part is WAI GLOBAL 21152N.

The New section lists 1 option from WAI GLOBAL — brand-new units rather than rebuilt ones. WAI GLOBAL 21152N 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 11888 is listed in this group.

Listed part numbers: WAI GLOBAL 21152N and FVP 11888, plus the other parts above.

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. Read more

6 Battery parts are listed for the 2021 Nissan Maxima, from DEKA, FVP, EXIDE and 3 other brands. DEKA 9A47 carries the "Popular" badge.

The AGM (Extended Life) section lists 5 options from DEKA, FVP, EXIDE and 2 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A47 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 FT61047 is listed in this group.

This group includes DEKA 9A47, FVP P47AGM and EXIDE MXH5L247 and the remaining parts above.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS A402CLT.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

4 Battery Terminal parts are listed for the 2021 Nissan Maxima, from BECK/ARNLEY and DORMAN.

This group includes BECK/ARNLEY 2060001, BECK/ARNLEY 2060002 and DORMAN 926515 and the remaining parts above.

This table covers the Cruise Control Distance 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. Read more

One part is listed for the 2021 Nissan Maxima — STANDARD MOTOR PRODUCTS CCD89.

This table covers the fuse blocks that hold this vehicle's fuses. Read more

3 Fuse Block parts for the 2021 Nissan Maxima come from 2 brands — DORMAN and STANDARD MOTOR PRODUCTS.

Listed part numbers: DORMAN 926001, DORMAN 956403 and STANDARD MOTOR PRODUCTS FH43.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

This group shows a single part: DORMAN 99635ST.

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. Read more

5 Parking Aid Sensor parts for the 2021 Nissan Maxima come from 3 brands — STANDARD MOTOR PRODUCTS, DORMAN and AUTOTECNICA. The "Popular" part is DORMAN 684122.

Part numbers include DORMAN 684122, AUTOTECNICA IN1321036 and STANDARD MOTOR PRODUCTS PPS229, among others listed above.

This table covers the brackets that mount the Parking Aid Sensor. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

2 Parking Aid Sensor Bracket parts for the 2021 Nissan Maxima come from 2 brands — TECHPRO and VARIOUS MFR.

Part numbers include TECHPRO NI1176100 and VARIOUS MFR NI1074105.

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. Read more

10 Speed Sensor parts are listed for the 2021 Nissan Maxima, from STANDARD MOTOR PRODUCTS, SKP, AUTOTECNICA and 6 other brands. SKP SKSC374 carries the "Popular" badge.

In the Economy grade, SKP, AUTOTECNICA, GPD and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is SKP SKSC374.

The Standard Replacement section lists 5 options from WALKER PRODUCTS, DELPHI, NTK and 2 other brands — built to original-equipment specification. WALKER PRODUCTS 2401050 is listed in this group.

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. Read more

8 Starter Motor parts for the 2021 Nissan Maxima come from 7 brands — PURE ENERGY, TYC, WAI GLOBAL and 4 other brands. The "Popular" part is PURE ENERGY 19063N.

The New section: 3 options from PURE ENERGY, TYC and WAI GLOBAL. PURE ENERGY 19063N is listed in this group.

The Remanufactured section: 5 options from ACDELCO, FVP, PURE ENERGY and 2 other brands. ACDELCO 3362119A is listed in this group.

Part numbers include PURE ENERGY 19063N, TYC 116032 and WAI GLOBAL 16032N, among others listed above.