2008 Cadillac STS 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

8 Alternator / Generator parts are listed for the 2008 Cadillac STS, from TERREPOWER, GM GENUINE, WAI GLOBAL and 4 other brands. GM GENUINE 84009371 carries the "Popular" badge.

In the New grade, GM GENUINE and WAI GLOBAL supply 2 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84009371.

In the Remanufactured grade, TERREPOWER, DENSO, ACDELCO and 2 other brands supply 6 parts: factory-rebuilt units with new wear components. A representative part number is DENSO 2101064.

Listed part numbers: GM GENUINE 84009371, WAI GLOBAL 11248N and DENSO 2101064, plus the other parts above.

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

This group shows a single part: GM GENUINE 15213135.

This table covers the Automatic Headlamp 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 Automatic Headlamp Sensor parts for the 2008 Cadillac STS come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

This group includes GM GENUINE 13498958 and STANDARD MOTOR PRODUCTS EFL172.

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 for the 2008 Cadillac STS come from 6 brands — DEKA, LUCAS, ACDELCO and 3 other brands. The "Popular" part is DEKA 9A48.

This group includes DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM and the remaining parts above.

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

One part is listed for the 2008 Cadillac STS — GM GENUINE 13505369.

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

One part is listed for the 2008 Cadillac STS — DORMAN 390030.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

2 Battery Terminal parts for the 2008 Cadillac STS come from DEKA.

This group includes DEKA 00350 and DEKA 01056.

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

This group shows a single part: GM GENUINE 12010050.

This table covers the brackets that mount the Battery Tray. 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: DORMAN 700251.

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

2 Circuit Breaker parts for the 2008 Cadillac STS come from BUSSMANN.

In the 30 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN CB21130.

The 40 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. BUSSMANN CB191140 is listed in this group.

This group includes BUSSMANN CB21130 and BUSSMANN CB191140.

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

GM GENUINE supplies both parts for the 2008 Cadillac STS.

This group includes GM GENUINE 12678511 and GM GENUINE 19421503.

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

22 Fuse parts for the 2008 Cadillac STS come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is LITTELFUSE MIN15.

In the 10 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM10LP.

The 15 Amp section lists 2 options from LITTELFUSE and BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN15 is listed in this group.

The 2 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "2 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN2 is listed in this group.

The 20 Amp section lists 2 options from LITTELFUSE and BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN20 is listed in this group.

In the 25 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM25LP.

30 Amp: 5 parts, from BUSSMANN and LITTELFUSE. A representative part number is LITTELFUSE JCAS30.

The 40 Amp section: 3 options from BUSSMANN and LITTELFUSE. BUSSMANN FMX40 is listed in this group.

In the 50 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMX50.

The 60 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS60 is listed in this group.

The 7.5 Amp section lists 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM712LP is listed in this group.

This table covers the HID Lighting ballasts. Read more

3 HID Lighting Ballast parts are listed for the 2008 Cadillac STS, from AUTOTECNICA, DORMAN and WELLS.

Part numbers include AUTOTECNICA CA1320411, DORMAN 601172 and WELLS 6R1079.

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

13 Horn parts for the 2008 Cadillac STS come from FIAMM. The "Popular" part is FIAMM 7210223.

The Accessory Replacement section lists 7 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 supplies 6 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 25889495.

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

3 Keyless Entry Remote parts are listed for the 2008 Cadillac STS, from GM GENUINE and DORMAN.

Listed part numbers: DORMAN 99110, GM GENUINE 25943677 and GM GENUINE 25943676.

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

2 Parking Aid Sensor parts are listed for the 2008 Cadillac STS, from GM GENUINE and STANDARD MOTOR PRODUCTS.

Listed part numbers: GM GENUINE 88891836 and STANDARD MOTOR PRODUCTS PPS71.

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

5 Speed Sensor parts for the 2008 Cadillac STS come from 5 brands — HOLSTEIN, GM GENUINE, NTK and 2 other brands. The "Popular" part is GM GENUINE 24279827.

The Economy section lists 1 option from HOLSTEIN — the catalog's value-priced group. HOLSTEIN 2VSS0527 is listed in this group.

Standard Replacement: 4 parts, from GM GENUINE, NTK, STANDARD MOTOR PRODUCTS and 1 other brand. A representative part number is GM GENUINE 24279827.

Part numbers include GM GENUINE 24279827, HOLSTEIN 2VSS0527 and NTK AU0184, among others listed above.

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

13 Starter Motor parts are listed for the 2008 Cadillac STS, from PURE ENERGY, ACDELCO, REMY and 7 other brands. PURE ENERGY 6471SN carries the "Popular" badge.

New: 5 parts, from PURE ENERGY, TYC, ACDELCO and 2 other brands. A representative part number is PURE ENERGY 6471SN.

Remanufactured: 8 parts, from GM GENUINE, ACDELCO, BOSCH and 5 other brands. A representative part number is GM GENUINE 3231633.

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

3 Yaw Sensor parts for the 2008 Cadillac STS come from WELLS.

Listed part numbers: WELLS 5S8014, WELLS 5S14722 and WELLS 5S6707.