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Buick Rainier Engines
Our used Buick Rainier engines/motors come with 1-year warranty and 30-day price match guarantee. Buy your Buick Rainier 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 Buick Rainier engine. Our Buick Rainier discount price is guaranteed for 30 days.
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Sample Engines & Motors for Buick Rainier 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 Buick Rainier .
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.
2004 Buick Rainier Gas Engine
(4.2L, VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
126K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2005 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
157K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT, OPT LL8)
Genuine Buick Part
Good Condition
145K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT, OPT LL8)
Genuine Buick Part
Good Condition
145K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Good Condition
145K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Good Condition
145K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
109K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
109K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2005 Buick Rainier Gas Engine
(4.2L, VIN S, 8TH DIGIT)
Genuine Buick Part
Good Condition
142K Miles
1-Year Warranty
Located at Atlanta, Georgia 30234
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT) NO KEY
Genuine Buick Part
Excellent Condition
112K Miles
1-Year Warranty
Located at Atlanta, Georgia 30234
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT) NO KEY
Genuine Buick Part
Excellent Condition
112K Miles
1-Year Warranty
Located at Atlanta, Georgia 30234
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
126K Miles
1-Year Warranty
Located at Montgomery, Alabama 36110
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
126K Miles
1-Year Warranty
Located at Montgomery, Alabama 36110
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
RAN 4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
109K Miles
1-Year Warranty
Located at Tallahassee, Florida 32055
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
RAN 4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
109K Miles
1-Year Warranty
Located at Tallahassee, Florida 32055
Availability varies by year, engine size, and fitment.
2005 Buick Rainier Gas Engine
RUNS GREAT LAST RUN 7-10-25, (4.2L, VIN S, 8TH DIGIT)
Genuine Buick Part
Excellent Condition
155K Miles
1-Year Warranty
Located at Charlotte, North Carolina 28146
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
5.3L, VIN M (8TH DIGIT, OPT LH6)
Genuine Buick Part
Excellent Condition
115K Miles
1-Year Warranty
Located at Charlotte, North Carolina 28146
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Good Condition
132K Miles
1-Year Warranty
Located at Greensboro, North Carolina 28551
Availability varies by year, engine size, and fitment.
2007 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Good Condition
132K Miles
1-Year Warranty
Located at Greensboro, North Carolina 28551
Availability varies by year, engine size, and fitment.
2006 Buick Rainier Gas Engine
4.2L (VIN S, 8TH DIGIT)
Genuine Buick Part
Good Condition
147K Miles
1-Year Warranty
Located at Columbia, South Carolina 29334
Availability varies by year, engine size, and fitment.
🔧 Engines – FAQs
Q: Do you sell used Buick engines?
A: Yes. Automotix has sold hundreds of thousands of OEM used engines over the past 20+ years, including engines for many Buick 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 Buick Rainier ?
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.
