2026 GMC Acadia Electrical Parts

This table covers the Alternator / Generator bolts. Read more

One part is listed for the 2026 GMC Acadia — GM GENUINE 11611102.

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 2026 GMC Acadia, from DEKA, ACDELCO, BOSCH and 1 other brand. DEKA 9A48 carries the "Popular" badge.

Listed part numbers: DEKA 9A48, DEKA 9A94R and ACDELCO 94RAGMHR, plus the other parts above.

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

3 Body Control Module (BCM) parts for the 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 13559486, GM GENUINE 13563015 and GM GENUINE 13568206.

This table covers the brackets that mount the Body Control Module (BCM). 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 26510408.

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

One part is listed for the 2026 GMC Acadia — GM GENUINE 84098784.

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 26434773.

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

23 Fuse parts are listed for the 2026 GMC Acadia, from GM GENUINE and ACDELCO. GM GENUINE 12004008 carries the "Popular" badge.

The 10 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 19209792 is listed in this group.

The 100 Amp section lists 2 options from GM GENUINE — grouped under the catalog's "100 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070942 is listed in this group.

In the 125 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "125 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12177251.

In the 15 Amp grade, GM GENUINE and ACDELCO supply 3 parts: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12004008.

In the 150 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "150 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84070922.

The 175 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "175 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 15305191 is listed in this group.

In the 20 Amp grade, GM GENUINE and ACDELCO supply 2 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12004009.

The 25 Amp section lists 3 options from ACDELCO and GM GENUINE — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. ACDELCO ATM2525 is listed in this group.

The 250 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "250 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84116255 is listed in this group.

The 30 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 22917202 is listed in this group.

In the 350 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "350 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84116257.

In the 40 Amp grade, ACDELCO and GM GENUINE supply 2 parts: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO MAX405.

The 5 Amp section lists 1 option from ACDELCO — grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. ACDELCO ATC525 is listed in this group.

The 50 Amp section lists 1 option from ACDELCO — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. ACDELCO MAX50 is listed in this group.

The 70 Amp section lists 2 options from GM GENUINE — grouped under the catalog's "70 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070937 is listed in this group.

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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

Part numbers include GM GENUINE 85011835 and GM GENUINE 85011836.

This table covers the horn contacts in the steering column. Read more

One part is listed for the 2026 GMC Acadia — GM GENUINE 87840626.

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

6 Keyless Entry Module / Receiver parts for the 2026 GMC Acadia come from GM GENUINE. The "Popular" part is GM GENUINE 85026365.

Part numbers include GM GENUINE 85026365, GM GENUINE 85026366 and GM GENUINE 85026367, among others listed above.

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

This group shows a single part: GM GENUINE 13560218.

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

This group shows a single part: GM GENUINE 13569497.

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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

This group includes GM GENUINE 84983035 and GM GENUINE 86558042.

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 2026 GMC Acadia come from 2 brands — GM GENUINE and VARIOUS MFR. The "Popular" part is GM GENUINE 84586217.

Listed part numbers: GM GENUINE 84586217, GM GENUINE 84586218 and GM GENUINE 87821667, plus the other parts 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 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 26467471 and GM GENUINE 26467472.

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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

Part numbers include GM GENUINE 13563696 and GM GENUINE 42941719.

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 2026 GMC Acadia come from GM GENUINE.

This group includes GM GENUINE 85880852 and GM GENUINE 85880857.

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 13566572.

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

4 Side Object Sensor Module parts for the 2026 GMC Acadia come from GM GENUINE.

Listed part numbers: GM GENUINE 85698872, GM GENUINE 85698873 and GM GENUINE 86553723, plus the other parts above.

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

GM GENUINE supplies both parts for the 2026 GMC Acadia.

Listed part numbers: GM GENUINE 24295280 and GM GENUINE 24298199.

This table covers the Speed Sensor Reluctor rings. Read more

GM GENUINE supplies both parts for the 2026 GMC Acadia.

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

This table covers the Yaw 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 2026 GMC Acadia — GM GENUINE 85532096.