2026 GMC Yukon 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

One part is listed for the 2026 GMC Yukon — GM GENUINE 13561034.

This table covers the Alternator / Generator bolts. Read more

This group shows a single part: GM GENUINE 11611384.

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

This group shows a single part: GM GENUINE 13569122.

This table covers the brackets that mount the Anti-Theft Siren. 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 84608863.

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

9 Battery parts for the 2026 GMC Yukon come from 4 brands — DEKA, ACDELCO, BOSCH and 1 other brand. The "Popular" part is DEKA 9A48.

Part numbers include DEKA 9A48, DEKA 9A94R and ACDELCO 94RAGMHR, among others listed 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

One part is listed for the 2026 GMC Yukon — GM GENUINE 85873428.

This table covers the Battery Terminal Bolt nuts. Read more

GM GENUINE supplies both parts for the 2026 GMC Yukon.

Part numbers include GM GENUINE 11546389 and GM GENUINE 11570961.

This table covers the covers that protect battery terminals. Read more

This group shows a single part: GM GENUINE 86336076.

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

GM GENUINE supplies the 3 Body Control Module (BCM) parts for the 2026 GMC Yukon.

Part numbers include 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

One part is listed for the 2026 GMC Yukon — GM GENUINE 86324197.

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

This group shows a single part: GM GENUINE 84215440.

This table covers the Engine Control Module (ECM Computer) bolts. Read more

This group shows a single part: GM GENUINE 11519377.

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

One part is listed for the 2026 GMC Yukon — GM GENUINE 85538412.

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

21 Fuse parts for the 2026 GMC Yukon come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE 12004008.

In the 10 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 19209792.

In the 100 Amp grade, GM GENUINE supplies 2 parts: grouped under the catalog's "100 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84070942.

The 15 Amp section lists 2 options from GM GENUINE and ACDELCO — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 12004008 is listed in this group.

The 150 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "150 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070922 is listed in this group.

In the 175 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "175 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 15305191.

The 20 Amp section lists 2 options from GM GENUINE and ACDELCO — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 12004009 is listed in this group.

In the 25 Amp grade, ACDELCO and GM GENUINE supply 3 parts: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO ATM2525.

In the 250 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "250 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84116255.

In the 30 Amp grade, ACDELCO and GM GENUINE supply 3 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO ATC30.

The 350 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "350 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84116257 is listed in this group.

The 40 Amp section lists 2 options from ACDELCO and GM GENUINE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. ACDELCO MAX405 is listed in this group.

In the 50 Amp grade, ACDELCO supplies 1 part: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO MAX50.

The 60 Amp section lists 1 option from ACDELCO — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. ACDELCO MAX605 is listed in this group.

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

This group shows a single part: GM GENUINE 85587715.

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

This group shows a single part: GM GENUINE 87840626.

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

GM GENUINE supplies the 7 Keyless Entry Module / Receiver parts for the 2026 GMC Yukon. GM GENUINE 85026366 carries the "Popular" badge.

Part numbers include GM GENUINE 85026366, GM GENUINE 85026368 and GM GENUINE 86320144, among others listed above.

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

One part is listed for the 2026 GMC Yukon — GM GENUINE 13560220.

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

One part is listed for the 2026 GMC Yukon — GM GENUINE 13566314.

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

2 Park Assist (PAS) Camera Module parts for the 2026 GMC Yukon come from GM GENUINE.

Part numbers include 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

GM GENUINE supplies the 3 Parking Aid Sensor parts for the 2026 GMC Yukon.

Part numbers include GM GENUINE 84586217, GM GENUINE 87821667 and GM GENUINE 87821666.

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

2 Power Supply Module (TIPM) parts for the 2026 GMC Yukon come from GM GENUINE.

Part numbers include GM GENUINE 13563696 and GM GENUINE 86312505.

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

GM GENUINE supplies both parts for the 2026 GMC Yukon.

Listed part numbers: 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

One part is listed for the 2026 GMC Yukon — 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

GM GENUINE supplies both parts for the 2026 GMC Yukon.

Listed part numbers: GM GENUINE 85698872 and GM GENUINE 85698873.

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

4 Speed Sensor parts for the 2026 GMC Yukon come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include GM GENUINE 24060867, GM GENUINE 24060865 and GM GENUINE 24077588, among others listed above.

This table covers the Speed Sensor caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

This group shows a single part: GM GENUINE 84884492.

This table covers the Starter bolts. Read more

One part is listed for the 2026 GMC Yukon — GM GENUINE 11610633.

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

One part is listed for the 2026 GMC Yukon — GM GENUINE 12732343.

This table covers the Towing control modules. Read more

This group shows a single part: GM GENUINE 13568651.

This table covers the Wiring Harness clips. Read more

One part is listed for the 2026 GMC Yukon — GM GENUINE 12337820.

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

This group shows a single part: GM GENUINE 85532096.