2021 Cadillac XT6 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

17 Alternator / Generator parts for the 2021 Cadillac XT6 come from 9 brands — GM GENUINE, PURE ENERGY, SKP and 6 other brands. The "Popular" part is GM GENUINE 13553838.

The New section lists 8 options from GM GENUINE, SKP, WAI GLOBAL and 1 other brand — brand-new units rather than rebuilt ones. GM GENUINE 13553838 is listed in this group.

The Remanufactured section lists 9 options from PURE ENERGY, REMY, TERREPOWER and 2 other brands — factory-rebuilt units with new wear components. FAMOUS BRAND 10350A is listed in this group.

This table covers the Alternator / Generator bolts. Read more

One part is listed for the 2021 Cadillac XT6 — GM GENUINE 11611102.

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

5 Alternator / Generator Pulley parts are listed for the 2021 Cadillac XT6, from LITENS, CONTINENTAL and DORMAN. LITENS 920060A carries the "Popular" badge.

Part numbers include LITENS 920060A, CONTINENTAL 49966 and CONTINENTAL 49968, among others listed above.

This table covers the Anti-Theft control modules. Read more

One part is listed for the 2021 Cadillac XT6 — GM GENUINE 13520524.

This table covers the sirens in the anti-theft system. Read more

GM GENUINE supplies both parts for the 2021 Cadillac XT6. All of them fit every engine offered in the 2021 XT6.

This group includes GM GENUINE 39119104 and GM GENUINE 13569122.

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

10 Battery parts are listed for the 2021 Cadillac XT6, from DEKA, ACDELCO, BOSCH and 5 other brands. DEKA 9A48 carries the "Popular" badge. All of them fit every engine offered in the 2021 XT6.

The AGM (Extended Life) section lists 9 options from DEKA, ACDELCO, BOSCH and 4 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A48 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 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

6 Battery Cable parts for the 2021 Cadillac XT6 come from GM GENUINE. 1 part fits every engine; the other 5 are engine-specific.

Listed part numbers: GM GENUINE 84681646, GM GENUINE 84690950 and GM GENUINE 85524607, plus the other parts above.

This table covers the Battery Cable Terminal ends. Read more

One part is listed for the 2021 Cadillac XT6 — GM GENUINE 84710785.

This table covers the Battery Current 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 BSC123.

This table covers the Battery Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

This group shows a single part: GM GENUINE 84155667.

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

2 Blind Spot Detection Sensor parts for the 2021 Cadillac XT6 come from HELLA. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

Part numbers include HELLA 013068241 and HELLA 013068041.

This table covers the body-control modules that run lighting, locks and wipers. Read more

2 Body Control Module (BCM) parts for the 2021 Cadillac XT6 come from GM GENUINE. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

This group includes GM GENUINE 22940857 and GM GENUINE 13534192.

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

2 Circuit Breaker parts are listed for the 2021 Cadillac XT6, from BUSSMANN and GM GENUINE. 1 part fits every engine; the other 1 is engine-specific.

This group includes BUSSMANN CB21220 and GM GENUINE 84098783.

This table covers the engine-control modules that run fuel, spark and emissions. Read more

This group shows a single part: GM GENUINE 12725663.

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: GM GENUINE 84672986.

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

43 Fuse parts are listed for the 2021 Cadillac XT6, from GM GENUINE, BUSSMANN and ACDELCO. GM GENUINE 15305191 carries the "Popular" badge. 10 Amp, 100 Amp, 125 Amp, 15 Amp, 150 Amp, 175 Amp, 2 Amp, 20 Amp, 225 Amp, 25 Amp, 250 Amp, 3 Amp, 30 Amp, 300 Amp, 350 Amp, 4 Amp, 40 Amp, 450 Amp, 5 Amp, 50 Amp, 60 Amp, 7.5 Amp and 70 Amp are all represented, and 25 Amp alone accounts for 5 parts.

This table covers the Hands Free Vehicle Access 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

2 Hands Free Vehicle Access Module parts for the 2021 Cadillac XT6 come from GM GENUINE. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

This group includes GM GENUINE 85039379 and GM GENUINE 23275430.

This table covers the Hands Free Vehicle Access 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

3 Hands Free Vehicle Access Sensor parts for the 2021 Cadillac XT6 come from GM GENUINE. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

Listed part numbers: GM GENUINE 23366531, GM GENUINE 23366530 and GM GENUINE 85523854.

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

One part is listed for the 2021 Cadillac XT6 — GM GENUINE 84782549.

This table covers the receivers that pick up the key-fob unlock signal. Read more

3 Keyless Entry Module / Receiver parts for the 2021 Cadillac XT6 come from GM GENUINE. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

Listed part numbers: GM GENUINE 13540045, GM GENUINE 13558723 and GM GENUINE 13558725.

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

This group shows a single part: GM GENUINE 13547853.

This table covers the modules that control the exterior lighting. Read more

This group shows a single part: GM GENUINE 86777487.

This table covers the Park Assist (PAS) 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

One part is listed for the 2021 Cadillac XT6 — GM GENUINE 84421596.

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

8 Parking Aid Sensor parts for the 2021 Cadillac XT6 come from 4 brands — GM GENUINE, STANDARD MOTOR PRODUCTS, BOSCH and 1 other brand. The "Popular" part is BOSCH F00E270806. 6 parts fit every engine; the other 2 are engine-specific.

Part numbers include BOSCH F00E270806, GM GENUINE 84586218 and GM GENUINE 84586217, among others listed above.

This table covers the totally-integrated power modules that distribute body electrical power. 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

One part is listed for the 2021 Cadillac XT6 — GM GENUINE 13510484.

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

4 Rain Sensor parts for the 2021 Cadillac XT6 come from 2 brands — GM GENUINE and HELLA. 1 part fits every engine; the other 3 are engine-specific.

This group includes GM GENUINE 84466321, GM GENUINE 84466322 and GM GENUINE 85870194 and the remaining parts above.

This table covers the Serial Data Gateway 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: GM GENUINE 13533490.

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

3 Side Object Sensor Module parts for the 2021 Cadillac XT6 come from GM GENUINE. Every part fits both the 2.0L L4 Turbocharged and the 3.6L V6.

Part numbers include GM GENUINE 84729107, GM GENUINE 84729106 and GM GENUINE 84523853.

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

3 Speed Sensor parts are listed for the 2021 Cadillac XT6, from GM GENUINE and STANDARD MOTOR PRODUCTS. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: GM GENUINE 24295280, GM GENUINE 24298199 and STANDARD MOTOR PRODUCTS SC801.

This table covers the Speed Sensor Reluctor rings. Read more

GM GENUINE supplies both parts for the 2021 Cadillac XT6. All of them fit every engine offered in the 2021 XT6.

Listed part numbers: GM GENUINE 24230744 and GM GENUINE 24061032.

This table covers the Starter bolts. Read more

This group shows a single part: GM GENUINE 11588740.

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

11 Starter Motor parts for the 2021 Cadillac XT6 come from 8 brands — GM GENUINE, FVP, PURE ENERGY and 5 other brands. The "Popular" part is GM GENUINE 12667973.

The New section: 5 options from GM GENUINE, TYC, BOSCH and 1 other brand. GM GENUINE 12667973 is listed in this group.

The Remanufactured section: 6 options from FVP, PURE ENERGY, REMY and 1 other brand. FVP 12907 is listed in this group.

This table covers the Starter Motor Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

One part is listed for the 2021 Cadillac XT6 — GM GENUINE 12654121.