2021 Lincoln Aviator 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

7 Alternator / Generator parts for the 2021 Lincoln Aviator come from 4 brands — MOTORCRAFT, PURE ENERGY, TERREPOWER and 1 other brand. The "Popular" part is MOTORCRAFT GL8948.

The New section lists 2 options from MOTORCRAFT — brand-new units rather than rebuilt ones. MOTORCRAFT GL8948 is listed in this group.

The Remanufactured section lists 5 options from PURE ENERGY, TERREPOWER and REMY — factory-rebuilt units with new wear components. PURE ENERGY 11826 is listed in this group.

Listed part numbers: MOTORCRAFT GL8948, MOTORCRAFT GL8951 and PURE ENERGY 11826, plus the other parts above.

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. Read more

4 Alternator / Generator Pulley parts are listed for the 2021 Lincoln Aviator, from LITENS, CONTINENTAL and MOTORCRAFT.

This group includes CONTINENTAL 49907, LITENS 920088A and LITENS 920024A and the remaining 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

20 Battery parts are listed for the 2021 Lincoln Aviator, from ACDELCO, DEKA, FVP and 6 other brands. DEKA 9A94R carries the "Popular" badge.

The AGM (Extended Life) section lists 18 options from ACDELCO, DEKA, FVP and 5 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A94R is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 2 options from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT85094R is listed in this group.

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

4 Battery Cable parts for the 2021 Lincoln Aviator come from MOTORCRAFT.

Listed part numbers: MOTORCRAFT WC97064, MOTORCRAFT WC97823 and MOTORCRAFT WC97867, plus the other parts above.

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

MOTORCRAFT supplies the 29 Battery Terminal parts for the 2021 Lincoln Aviator. MOTORCRAFT WT1012 carries the "Popular" badge. The notes list position, dimensions and spec qualifiers wherever the manufacturer distinguishes between variants.

This table covers the Blind Spot Detection 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

This group shows a single part: STANDARD MOTOR PRODUCTS BSD136.

This table covers the brackets that mount the Blind Spot Detection 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 Blind Spot Detection Sensor Bracket parts for the 2021 Lincoln Aviator come from MOTORCRAFT.

Listed part numbers: MOTORCRAFT BSSB2 and MOTORCRAFT BSSB16.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

MOTORCRAFT supplies the 10 Circuit Breaker parts for the 2021 Lincoln Aviator. MOTORCRAFT SW8298 carries the "Popular" badge.

This table covers the brackets that mount the Engine Control Module (ECM Computer). 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

This group shows a single part: MOTORCRAFT ECMB11.

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. Read more

BUSSMANN supplies the 6 Fuse parts for the 2021 Lincoln Aviator. BUSSMANN FMS25 carries the "Popular" badge.

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 FMS15.

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 FMS20.

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 FMS25 is listed in this group.

In the 40 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS40.

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 FMS50 is listed in this group.

In the 60 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS60.

Listed part numbers: BUSSMANN FMS25, BUSSMANN FMS15 and BUSSMANN FMS20, plus the other parts above.

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

2 Fuse Block parts for the 2021 Lincoln Aviator come from MOTORCRAFT.

Listed part numbers: MOTORCRAFT DY1791 and MOTORCRAFT DY1790.

This table covers the Fuse Box covers. Read more

One part is listed for the 2021 Lincoln Aviator — MOTORCRAFT HLSC24.

This table covers the horns mounted in the front of the vehicle. Read more

3 Horn parts are listed for the 2021 Lincoln Aviator, from MOTORCRAFT and DORMAN.

This group includes DORMAN 926568, MOTORCRAFT HRN7 and MOTORCRAFT HRN36.

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

2 Keyless Entry Remote parts for the 2021 Lincoln Aviator come from DORMAN.

This group includes DORMAN 99285ST and DORMAN 99285.

This table covers the Lane Departure Camera modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS LDS48.

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

7 Parking Aid Sensor parts for the 2021 Lincoln Aviator come from 5 brands — MOTORCRAFT, VARIOUS MFR, DORMAN and 2 other brands. The "Popular" part is DORMAN 684107.

This group includes DORMAN 684107, STANDARD MOTOR PRODUCTS PPS153 and MOTORCRAFT PRKS18 and the remaining parts above.

This table covers the Rain 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

2 Rain Sensor parts for the 2021 Lincoln Aviator come from MOTORCRAFT.

Part numbers include MOTORCRAFT WRS5 and MOTORCRAFT WRS6.

This table covers the Side Object Sensor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

This group shows a single part: DORMAN 601508.

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

12 Speed Sensor parts are listed for the 2021 Lincoln Aviator, from STANDARD MOTOR PRODUCTS, MOTORCRAFT, DELPHI and 1 other brand. MOTORCRAFT DY1504 carries the "Popular" badge.

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

3 Starter Motor parts for the 2021 Lincoln Aviator come from 3 brands — MOTORCRAFT, FVP and PURE ENERGY.

The New section: 1 option from MOTORCRAFT. MOTORCRAFT SA1139 is listed in this group.

The Remanufactured section: 2 options from FVP and PURE ENERGY. FVP 12853 is listed in this group.

This group includes MOTORCRAFT SA1139 and FVP 12853 and the remaining parts above.