2018 GMC Acadia Electrical Parts

This table covers the Active Noise Cancellation 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 85144754.

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

12 Alternator / Generator parts are listed for the 2018 GMC Acadia, from GM GENUINE, WAI GLOBAL, PURE ENERGY and 4 other brands. GM GENUINE 13553838 carries the "Popular" badge.

In the New grade, GM GENUINE, WAI GLOBAL, SKP and 1 other brand supply 6 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 13553838.

In the Remanufactured grade, PURE ENERGY, REMY and TERREPOWER supply 6 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 10351.

This table covers the Alternator / Generator bolts. Read more

This group shows a single part: GM GENUINE 11589253.

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

6 Alternator / Generator Pulley parts for the 2018 GMC Acadia come from 4 brands — LITENS, CONTINENTAL, GATES and 1 other brand. The "Popular" part is GATES 37244P.

Listed part numbers: GATES 37244P, LITENS 920060A and CONTINENTAL 49966, plus the other parts above.

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

This group shows a single part: GM GENUINE 13523276.

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

16 Battery parts for the 2018 GMC Acadia come from 8 brands — DEKA, ACDELCO, FVP and 5 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, DEKA, ACDELCO, FVP and 4 other brands supply 14 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 2 parts: 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

4 Battery Cable parts are listed for the 2018 GMC Acadia, from GM GENUINE and ACDELCO.

Listed part numbers: ACDELCO 84072193, GM GENUINE 84221366 and GM GENUINE 84221360, plus the other parts above.

This table covers the Battery Cable Terminal ends. Read more

This group shows a single part: 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

2 Battery Current Sensor parts are listed for the 2018 GMC Acadia, from GM GENUINE and STANDARD MOTOR PRODUCTS.

This group includes GM GENUINE 13505369 and 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

One part is listed for the 2018 GMC Acadia — GM GENUINE 84155667.

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

One part is listed for the 2018 GMC Acadia — DORMAN 390030.

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 2018 GMC Acadia.

This group includes GM GENUINE 13534188, GM GENUINE 13534190 and GM GENUINE 22940857.

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

5 Circuit Breaker parts for the 2018 GMC Acadia come from 2 brands — GM GENUINE and BUSSMANN. The "Popular" part is BUSSMANN CB21220.

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 CB21220 is listed in this group.

3 further parts sit outside the graded sections, with the same engine-level match.

This group includes BUSSMANN CB21220, BUSSMANN CB21115 and GM GENUINE 84098783 and the remaining parts above.

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

One part is listed for the 2018 GMC Acadia — 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

One part is listed for the 2018 GMC Acadia — 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

56 Fuse parts for the 2018 GMC Acadia come from 3 brands — BUSSMANN, GM GENUINE and ACDELCO. The "Popular" part is BUSSMANN ATM10LP. They are grouped as 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, with 25 Amp the largest group at 6 parts from BUSSMANN, ACDELCO and GM GENUINE.

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 2018 GMC Acadia — 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

GM GENUINE supplies both parts for the 2018 GMC Acadia.

Listed part numbers: GM GENUINE 23355884 and GM GENUINE 23355885.

This table covers the HID Lighting ballasts. Read more

One part is listed for the 2018 GMC Acadia — DORMAN 601066.

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

14 Horn parts for the 2018 GMC Acadia come from 2 brands — FIAMM and GM GENUINE. The "Popular" part is FIAMM 7210223.

The Accessory Replacement section lists 6 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.

In the Standard Replacement grade, FIAMM and GM GENUINE supply 8 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.

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

This group shows a single part: GM GENUINE 84433483.

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

GM GENUINE supplies both parts for the 2018 GMC Acadia.

Listed part numbers: GM GENUINE 13540045 and GM GENUINE 13518772.

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

5 Keyless Entry Remote parts are listed for the 2018 GMC Acadia, from GM GENUINE and DORMAN. GM GENUINE 13508275 carries the "Popular" badge.

Listed part numbers: GM GENUINE 13508275, DORMAN 99429ST and DORMAN 99427ST, plus the other parts above.

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 2018 GMC Acadia come from GM GENUINE.

Listed part numbers: GM GENUINE 84169043 and GM GENUINE 84169042.

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 are listed for the 2018 GMC Acadia, from BOSCH, STANDARD MOTOR PRODUCTS, DORMAN and 4 other brands. BOSCH 0263043553 carries the "Popular" badge.

Part numbers include BOSCH 0263043553, STANDARD MOTOR PRODUCTS PPS46 and DORMAN 684048, 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

GM GENUINE supplies the 5 Parking Aid Sensor Bracket parts for the 2018 GMC Acadia. GM GENUINE 23223698 carries the "Popular" badge.

Listed part numbers: GM GENUINE 23223698, GM GENUINE 23223697 and GM GENUINE 23223700, plus the other parts 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

4 Power Supply Module (TIPM) parts for the 2018 GMC Acadia come from GM GENUINE.

Part numbers include GM GENUINE 13438997, GM GENUINE 13510484 and GM GENUINE 23158670, among others listed 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

One part is listed for the 2018 GMC Acadia — 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 both parts for the 2018 GMC Acadia.

Listed part numbers: GM GENUINE 42625293 and GM GENUINE 42625292.

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

8 Speed Sensor parts for the 2018 GMC Acadia come from 5 brands — HOLSTEIN, GM GENUINE, DELPHI and 2 other brands. The "Popular" part is GM GENUINE 24262388.

The Economy section lists 2 options from HOLSTEIN — the catalog's value-priced group. HOLSTEIN 2VSS0155 is listed in this group.

Standard Replacement: 6 parts, from GM GENUINE, DELPHI, STANDARD MOTOR PRODUCTS and 1 other brand. A representative part number is GM GENUINE 24262388.

Part numbers include GM GENUINE 24262388, HOLSTEIN 2VSS0155 and HOLSTEIN 2VSS0145, among others listed above.

This table covers the Speed Sensor Reluctor rings. Read more

2 Speed Sensor Reluctor Ring parts for the 2018 GMC Acadia come from GM GENUINE.

Part numbers include GM GENUINE 24232557 and GM GENUINE 24223802.

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 2018 GMC Acadia — GM GENUINE 24234865.

This table covers the Starter bolts. Read more

GM GENUINE supplies both parts for the 2018 GMC Acadia.

This group includes GM GENUINE 11588740 and GM GENUINE 11588726.

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 2018 GMC Acadia, from GM GENUINE, TYC, WAI GLOBAL and 4 other brands. GM GENUINE 12667974 carries the "Popular" badge.

New: 3 parts, from GM GENUINE, TYC and WAI GLOBAL. A representative part number is GM GENUINE 12667974.

Remanufactured: 4 parts, from BOSCH, PURE ENERGY, REMY and 1 other brand. A representative part number is BOSCH SR8508X.

Listed part numbers: GM GENUINE 12667974, TYC 116351 and WAI GLOBAL 16351N, plus the other parts 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 12654121.

This table covers the Video control modules. Read more

One part is listed for the 2018 GMC Acadia — GM GENUINE 84560572.