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Cadillac STS Engines
Our used Cadillac STS engines/motors come with 1-year warranty and 30-day price match guarantee. Buy your Cadillac STS engine from us with confidence knowing we stand behind the quality of our used car and truck engines.Save time and money searching for a cheap Cadillac STS engine. Our Cadillac STS discount price is guaranteed for 30 days.
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Sample Engines & Motors for Cadillac STS Vehicles
The following Engines & Motors listings are sample products shown for reference only. To ensure guaranteed fitment, customers must use the Year–Make–Model (YMM) selector above and choose the correct Hollander Interchange–verified part for their Cadillac STS .
Automotix has been in business for over 20 years, offers a 1-year warranty, financing options, and one of the best return policies in the recycled OEM auto parts industry.

2007 Cadillac STS Gas Engine
3.6L (VIN 7, 8TH DIGIT, OPT LY7), W/CRANKSHAFT KEY
Genuine Cadillac Part
Excellent Condition
114K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
96K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
96K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
RUNS GREAT LAST RUN 1-16-26, 3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
146K Miles
1-Year Warranty
Located at Charlotte, North Carolina 28146
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
RUNS GREAT LAST RUN 1-16-26, 3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
146K Miles
1-Year Warranty
Located at Charlotte, North Carolina 28146
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
BASE, 3.6L (VIN V, 8TH DIGIT, OPT LLT)
Genuine Cadillac Part
Excellent Condition
82K Miles
1-Year Warranty
Located at Akron, Ohio 44306
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
BASE, 3.6L (VIN V, 8TH DIGIT, OPT LLT)
Genuine Cadillac Part
Excellent Condition
82K Miles
1-Year Warranty
Located at Akron, Ohio 44306
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
102K Miles
1-Year Warranty
Located at Akron, Ohio 44306
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
102K Miles
1-Year Warranty
Located at Akron, Ohio 44306
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
(3.6L), VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
99K Miles
1-Year Warranty
Located at Hartford, Massachusetts 01570
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
(3.6L), VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
99K Miles
1-Year Warranty
Located at Hartford, Massachusetts 01570
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
96K Miles
1-Year Warranty
Located at Grand Rapids, Michigan 48111
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
96K Miles
1-Year Warranty
Located at Grand Rapids, Michigan 48111
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Excellent Condition
115K Miles
1-Year Warranty
Located at Harrisburg, Pennsylvania 17370
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Excellent Condition
115K Miles
1-Year Warranty
Located at Harrisburg, Pennsylvania 17370
Availability varies by year, engine size, and fitment.

2006 Cadillac STS Gas Engine
3.6L (VIN 7, 8TH DIGIT, OPT LY7)
Genuine Cadillac Part
Excellent Condition
123K Miles
1-Year Warranty
Located at Bakersfield, California 93307
Availability varies by year, engine size, and fitment.

2005 Cadillac STS Gas Engine
Runs-good, 3.6L (VIN 7, 8TH DIGIT, OPT LY7)
Genuine Cadillac Part
Good Condition
149K Miles
1-Year Warranty
Located at Salt Lake City, Utah 84663
Availability varies by year, engine size, and fitment.

2007 Cadillac STS Gas Engine
3.6L
Genuine Cadillac Part
Good Condition
139K Miles
1-Year Warranty
Located at Wilmer, Texas 75172
Availability varies by year, engine size, and fitment.

2008 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
135K Miles
1-Year Warranty
Located at Wilmer, Texas 75172
Availability varies by year, engine size, and fitment.

2009 Cadillac STS Gas Engine
3.6L, VIN V (8TH DIGIT, OPT LLT), AWD
Genuine Cadillac Part
Good Condition
135K Miles
1-Year Warranty
Located at Wilmer, Texas 75172
Availability varies by year, engine size, and fitment.
🔧 Engines – FAQs
Q: Do you sell used Cadillac engines?
A: Yes. Automotix has sold hundreds of thousands of OEM used engines over the past 20+ years, including engines for many Cadillac models.
Q: Is it safe to buy a used engine online?
A: Yes. Automotix verifies fitment using Hollander Interchange data and offers a 1-year warranty on eligible engines.
Q: How do I know the engine will fit my Cadillac STS ?
A: Use the YMM selector to find a Hollander-verified engine that matches your exact vehicle configuration.
Q: Why do used engine prices vary?
A: Pricing depends on year, engine type, mileage, condition, and availability.



