The 2019 Cadillac Ats has 7 electrical parts with verified fitment on this page — 2 part types and 7 brands, covering all 3 engine options (2.0L L4 Turbocharged, 3.6L V6 and 3.6L V6 Turbocharged). Each part includes a manufacturer part number and application notes.
On the 2019 Cadillac Ats, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 7 listed parts are Alternator / Generator (5 parts) and Alternator / Generator Pulley (2 parts).
The 2019 Cadillac Ats was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2019 Cadillac Ats electrical parts are GM GENUINE (1 part), FVP (1 part) and PURE ENERGY (1 part), plus 4 more brands. Quality grades include Remanufactured and New.
1 part on this 2019 Cadillac Ats page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — GM GENUINE 84938163 (Alternator / Generator). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 Turbocharged | 84938163 | 🇺🇸 US 🇨🇦 CA | LABELED 84938163 | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 3.6L V6 Turbocharged | 11783 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 3.6L V6 Turbocharged | 11783 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 3.6L V6 Turbocharged | 22072 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.6L V6 Turbocharged | 11783 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
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.
5 Alternator / Generator parts are listed for the 2019 Cadillac Ats, from GM GENUINE, FVP, PURE ENERGY and 2 other brands. GM GENUINE 84938163 carries the "Popular" badge.
In the New grade, GM GENUINE supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84938163.
In the Remanufactured grade, FVP, PURE ENERGY, REMY and 1 other brand supply 4 parts: factory-rebuilt units with new wear components. A representative part number is FVP 11783.
Part numbers include GM GENUINE 84938163 and FVP 11783, among others listed above.
Alternator / Generator Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: 3.6L V6 Turbocharged | 49986 | 🇺🇸 US 🇲🇽 MX | View on Amazon | |
| LITENS Fits: 3.6L V6 Turbocharged | 920860A | 🇺🇸 US 🇲🇽 MX | View on Amazon |
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.
2 Alternator / Generator Pulley parts for the 2019 Cadillac Ats come from 2 brands — CONTINENTAL and LITENS.
Part numbers include CONTINENTAL 49986 and LITENS 920860A.
Buying Electrical Parts for a 2019 Cadillac Ats
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Every electrical part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Alternator / Generator and Alternator / Generator Pulley .
Frequently Asked Questions
How many electrical parts fit the 2019 Cadillac Ats?
Our catalog currently lists 7 electrical parts for the 2019 Cadillac Ats across 2 subcategories and 7 brands, covering all 3 engine options (2.0L L4 Turbocharged, 3.6L V6 and 3.6L V6 Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2019 Cadillac Ats engines?
Yes. Every electrical part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical problems on a 2019 Cadillac Ats?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2019 Cadillac Ats was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2019 Cadillac Ats?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2019 Cadillac Ats
Electrical Parts for Other Cadillac Ats Years
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