Used Cadillac Engines For Sale
A replacement engine from the dealer can run $3,500–$8,000+. We carry the same OEM unit at 40–60% less — fitment verified before you pay a dime.
OEM Cadillac Powertrains · Low Miles · Tested & Inspected · Ships Free Nationwide
- OEM fitment verified — we confirm displacement, configuration, and factory build codes for your exact vehicle before quoting.
- Warranty included — every engine comes with warranty coverage. Extended warranty options may be available.
- Fast insured freight shipping — drained, palletized, and insured for safe delivery to your repair shop or address.
- Nationwide OEM inventory — engines for domestic and import vehicles inspected and ready to ship.
Check Engine Price & Availability
Takes under 60 seconds. No obligation.
Need it faster? Call (888) 488-6545 for priority quotes.
"Needed a engine for my F-150. Nationwide verified the exact match by VIN, and it showed up at my mechanic's shop palletized and ready to drop in. Saved over $2,500 vs the dealer."
— Carlos M., AZEngines for every major make
Common Cadillac Engine Issues
These are the most frequent reasons Cadillac owners need a replacement engine.
4.6L Northstar V8 (DTS/STS/DeVille/Seville) — Head Bolt Pull-Out & Oil Consumption: The Northstar V8 is Cadillac's most infamous engine. The aluminum block uses TTY (torque-to-yield) head bolts that pull out of the block threads over time, causing head gasket failure and catastrophic coolant loss. The repair requires Timesert thread inserts — a $3,000–$5,000 job that's rarely worth it on a high-mileage engine. Additionally, the Northstar consumes oil by design. A replacement with verified mileage and good head bolt torque is the proven solution.
3.6L V6 (ATS/CTS/SRX/XT5) — Timing Chain Stretch: Same GM 3.6L issues as other applications — timing chain stretch across all three chains causing rough running and misfire codes. The timing chain replacement on the CTS/ATS requires significant labor (engine removal in some configurations), making a complete replacement engine the more economical approach for higher-mileage vehicles.
2.0L Turbo Ecotec (ATS/CT4/XT4) — Piston Ring Oil Consumption: Some 2013–2015 ATS 2.0T engines exhibit the same oil consumption pattern found in other GM Ecotec applications, caused by piston ring coking from the direct injection system. Later revisions (LSY, 2019+) improved ring design significantly. For pre-revision engines with active oil consumption, a replacement with updated ring specifications is the definitive fix.
Cadillac Escalade and CT5 engines share GM’s highest-demand V8 and turbo inventory — premium units move fast. Lock in your quote now.
Why Choose Nationwide Auto Parts USA
How it works — simple and accurate
Engines vary by configuration and build codes. We verify everything first, then quote from confirmed inventory.
What affects your delivered price
Online price ranges can be misleading. We quote the exact unit for your vehicle with delivery included.
Cadillac Engine — Quick Answers
Is the Cadillac Northstar engine reliable?
The Northstar has a well-deserved reputation for head bolt pull-out issues that cause head gasket failure. However, units sourced below 80K miles typically still have good head bolt integrity. Our replacement Northstars are inspected for this specific issue before shipping.
Are Cadillac engines GM parts?
Yes — the Escalade 6.2L V8 is the same as the Silverado/Tahoe, the XT5 3.6L is the same as the Traverse, and the CT4 2.0T matches the Equinox. Full GM inventory pool for fast sourcing.
Do you carry the Blackwing engine?
We stock the LT4 6.2L supercharged V8 for the CT5-V Blackwing and the 3.6L twin-turbo for the CT4-V Blackwing. Due to limited donor vehicles, these are specialty units — quote early for availability.
That engine isn't going to replace itself
customers quoted today — every day without your vehicle costs you money. Lock in your price in 60 seconds, no obligation.
