2020 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

17 Alternator / Generator parts are listed for the 2020 GMC Yukon, from GM GENUINE, WAI GLOBAL, TERREPOWER and 7 other brands. GM GENUINE 84143543 carries the "Popular" badge.

In the New grade, GM GENUINE, WAI GLOBAL and TYC supply 5 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84143543.

In the Remanufactured grade, TERREPOWER, DENSO, FVP and 4 other brands supply 12 parts: factory-rebuilt units with new wear components. A representative part number is TERREPOWER 42093.

This table covers the Alternator / Generator bolts. Read more

This group shows a single part: GM GENUINE 11611384.

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

3 Alternator / Generator Pulley parts for the 2020 GMC Yukon come from 2 brands — LITENS and CONTINENTAL.

Listed part numbers: CONTINENTAL 49954, LITENS 920030A and LITENS 920031A.

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

2 Anti-Theft Control Module parts for the 2020 GMC Yukon come from GM GENUINE.

Part numbers include GM GENUINE 13523301 and GM GENUINE 84533623.

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

This group shows a single part: GM GENUINE 39098012.

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 84307496.

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

14 Battery parts for the 2020 GMC Yukon come from 8 brands — DEKA, LUCAS, ACDELCO and 5 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, DEKA, LUCAS, ACDELCO and 4 other brands supply 13 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A48.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT85094R.

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

9 Battery Cable parts are listed for the 2020 GMC Yukon, from GM GENUINE, ACDELCO, DORMAN and 1 other brand. GM GENUINE 23164924 carries the "Popular" badge.

This group includes GM GENUINE 23164924, GM GENUINE 84634109 and ACDELCO 23119339 and the remaining parts above.

This table covers the clamps and brackets that secure the battery. Read more

One part is listed for the 2020 GMC Yukon — DORMAN 60329.

This table covers the Battery Terminal Bolt nuts. Read more

One part is listed for the 2020 GMC Yukon — GM GENUINE 11609585.

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

This group shows a single part: GM GENUINE 22945779.

This table covers the trays the battery sits in. Read more

5 Battery Tray parts for the 2020 GMC Yukon come from 3 brands — DORMAN, SKP and ULTRA-POWER. The "Popular" part is DORMAN 60328.

Listed part numbers: DORMAN 60328, DORMAN 00089 and SKP SK60328, plus the other parts above.

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

GM GENUINE supplies both parts for the 2020 GMC Yukon.

Part numbers include GM GENUINE 22940857 and GM GENUINE 13530503.

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

GM GENUINE supplies both parts for the 2020 GMC Yukon.

This group includes GM GENUINE 84179833 and GM GENUINE 84206594.

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

3 Circuit Breaker parts for the 2020 GMC Yukon come from 2 brands — BUSSMANN and GM GENUINE.

The 15 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN CB21115 is listed in this group.

The 20 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN CB21120 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: BUSSMANN CB21115, BUSSMANN CB21120 and GM GENUINE 84511648.

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

2 Cruise Control Distance Sensor parts for the 2020 GMC Yukon come from 2 brands — DORMAN and GM GENUINE.

Listed part numbers: DORMAN 601760 and GM GENUINE 13442495.

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

GM GENUINE supplies both parts for the 2020 GMC Yukon.

Part numbers include GM GENUINE 19432269 and GM GENUINE 12703872.

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 2020 GMC Yukon — GM GENUINE 23283540.

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

64 Fuse parts for the 2020 GMC Yukon come from 3 brands — BUSSMANN, GM GENUINE and ACDELCO. The "Popular" part is BUSSMANN ATM10. Grades run from 10 Amp through 70 Amp; 20 Amp is the most populated section, led by BUSSMANN, ACDELCO and GM GENUINE.

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

One part is listed for the 2020 GMC Yukon — DORMAN 956500.

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

One part is listed for the 2020 GMC Yukon — GM GENUINE 23460553.

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

GM GENUINE supplies both parts for the 2020 GMC Yukon.

Listed part numbers: GM GENUINE 23342244 and GM GENUINE 23342241.

This table covers the HID Lighting ballasts. Read more

2 HID Lighting Ballast parts are listed for the 2020 GMC Yukon, from DORMAN and ULTRA-POWER.

Part numbers include DORMAN 601066, among others listed above.

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

9 Horn parts for the 2020 GMC Yukon come from 3 brands — FIAMM, DORMAN and GM GENUINE. The "Popular" part is FIAMM 72112.

The Accessory Replacement section lists 5 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 72112 is listed in this group.

In the Standard Replacement grade, FIAMM, DORMAN and GM GENUINE supply 4 parts: built to original-equipment specification. A representative part number is FIAMM 7421122.

This group includes FIAMM 72112, FIAMM 7410024 and FIAMM 6602023 and the remaining parts above.

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

GM GENUINE supplies the 4 Keyless Entry Module / Receiver parts for the 2020 GMC Yukon.

Listed part numbers: GM GENUINE 13586853, GM GENUINE 13558725 and GM GENUINE 84441407, plus the other parts above.

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

9 Keyless Entry Remote parts are listed for the 2020 GMC Yukon, from GM GENUINE and DORMAN. GM GENUINE 23286292 carries the "Popular" badge.

Part numbers include GM GENUINE 23286292, GM GENUINE 13508280 and DORMAN 99423ST, among others listed above.

This table covers the replacement shells for the key fob. Read more

One part is listed for the 2020 GMC Yukon — DORMAN 92037.

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

3 Park Assist (PAS) Camera Module parts for the 2020 GMC Yukon come from GM GENUINE.

Part numbers include GM GENUINE 84169043, GM GENUINE 84169042 and GM GENUINE 84169044.

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

6 Parking Aid Sensor parts are listed for the 2020 GMC Yukon, from GM GENUINE, BOSCH, STANDARD MOTOR PRODUCTS and 2 other brands. BOSCH 0263043553 carries the "Popular" badge.

Part numbers include BOSCH 0263043553, STANDARD MOTOR PRODUCTS PPS46 and DORMAN 684118, 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

One part is listed for the 2020 GMC Yukon — VARIOUS MFR GM1074102.

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 2020 GMC Yukon come from GM GENUINE.

Listed part numbers: GM GENUINE 84181077 and GM GENUINE 84181078.

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 2020 GMC Yukon — GM GENUINE 13599318.

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 the 3 Side Object Sensor Module parts for the 2020 GMC Yukon.

Part numbers include GM GENUINE 84182642, GM GENUINE 84182643 and GM GENUINE 84112235.

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 for the 2020 GMC Yukon come from 6 brands — STANDARD MOTOR PRODUCTS, DELPHI, HOLSTEIN and 3 other brands. The "Popular" part is GM GENUINE 19302667.

The Economy section lists 2 options from HOLSTEIN and STANDARD MOTOR PRODUCTS — the catalog's value-priced group. HOLSTEIN 2VSS0527 is listed in this group.

Standard Replacement: 8 parts, from STANDARD MOTOR PRODUCTS, DELPHI, GM GENUINE and 2 other brands. A representative part number is GM GENUINE 19302667.

This table covers the seals at the Speed Sensor. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2020 GMC Yukon — GM GENUINE 19133158.

This table covers the Starter bolts. Read more

2 Starter Bolt parts are listed for the 2020 GMC Yukon, from DORMAN and GM GENUINE.

This group includes DORMAN 72004 and 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

7 Starter Motor parts are listed for the 2020 GMC Yukon, from GM GENUINE, WAI GLOBAL, SKP and 4 other brands. GM GENUINE 12736813 carries the "Popular" badge.

New: 3 parts, from GM GENUINE, WAI GLOBAL and SKP. A representative part number is GM GENUINE 12736813.

Remanufactured: 4 parts, from FVP, PURE ENERGY, REMY and 1 other brand. A representative part number is FVP 19565.

Part numbers include GM GENUINE 12736813, WAI GLOBAL 10911N and SKP SK12695760, among others listed above.

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

This group shows a single part: GM GENUINE 12633476.

This table covers the Video control modules. Read more

One part is listed for the 2020 GMC Yukon — GM GENUINE 84511038.

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 13514499.