Buick featured vehicle
Buick · Premium Parts

Buick

Premium OEM Parts Inventory

Buick logo

Engines, Transmissions & Parts

Discover our extensive inventory of 2,794 tested, high-quality used OEM Buick parts. Every component is rigorously inspected with exact mileage-based pricing, 90-day warranty, and nationwide shipping.

2,794
Total Parts in Inventory
24
Compatible Models
90 Days
Complete Warranty
Find Your Part
CallGet Quote

Brand Heritage

Buick has built a reputation for engineering excellence and automotive innovation.

Quality Assurance

Our Buick parts inventory features genuine OEM components tested for quality and durability.

2,794+
Parts Verified
90 Day
Warranty
24/7
Support
USA
Shipping
Buick Parts Advantage

Why Choose Buick From AUAPW

Access 2,794 verified Buick parts across 24 models with quality guarantees and expert support

Verified Inventory

Every part is inspected and verified for authenticity and quality standards

Fast Sourcing

Access to the largest network of verified suppliers with quick turnaround times

Quality Assured

All parts come with 30-180 day warranty and guaranteed quality certification

Best Pricing

Save 40-70% compared to new OEM parts with transparent, no-hidden-fee quotes

24-Hour Support

Get responses within 24 hours from our dedicated support team

Industry Leading

Trust the largest, most reliable used auto parts platform in America

Total Inventory

2,794

Quality Buick parts in stock, from common components to rare discontinued items.

Model Coverage

24

Compatible Buick models across multiple years, ensuring you find the perfect fit.

Warranty

30-180 Days

All Buick parts certified and guaranteed. Complete peace of mind on every purchase.

Filter by model

2,794 parts — page 21 of 59

Filter by Material

2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2013 Buick Regal Somerset

SKU P-961

engine

2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,504$2,920–$3,796 by mileage
2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2013 Buick Regal Somerset

SKU P-962

engine

2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,504$2,920–$3,796 by mileage
2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2013 Buick Regal Somerset

SKU P-963

engine

2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,672$3,060–$3,978 by mileage
2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Federal...

2013 Buick Regal Somerset

SKU P-964

engine

2013 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Federal...

$3,504$2,920–$3,796 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

2014 Buick Regal Somerset

SKU P-965

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

$4,176$3,480–$4,524 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

2014 Buick Regal Somerset

SKU P-966

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

$4,176$3,480–$4,524 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

2014 Buick Regal Somerset

SKU P-967

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

$5,436$4,530–$5,889 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), Federal emission...

2014 Buick Regal Somerset

SKU P-968

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), Federal emission...

$4,176$3,480–$4,524 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2014 Buick Regal Somerset

SKU P-969

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,504$2,920–$3,796 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2014 Buick Regal Somerset

SKU P-970

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,504$2,920–$3,796 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2014 Buick Regal Somerset

SKU P-971

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,672$3,060–$3,978 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Federal...

2014 Buick Regal Somerset

SKU P-972

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Federal...

$3,504$2,920–$3,796 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

2014 Buick Regal Somerset

SKU P-973

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

$2,664$2,220–$2,886 by mileage
2014 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

2014 Buick Regal Somerset

SKU P-974

engine

2014 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

$2,496$2,080–$2,704 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

2015 Buick Regal Somerset

SKU P-975

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

$4,176$3,480–$4,524 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

2015 Buick Regal Somerset

SKU P-976

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

$4,176$3,480–$4,524 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

2015 Buick Regal Somerset

SKU P-977

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), California emiss...

$5,436$4,530–$5,889 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), Federal emission...

2015 Buick Regal Somerset

SKU P-978

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA), Federal emission...

$4,176$3,480–$4,524 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2015 Buick Regal Somerset

SKU P-979

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,504$2,920–$3,796 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2015 Buick Regal Somerset

SKU P-980

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,504$2,920–$3,796 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

2015 Buick Regal Somerset

SKU P-981

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Califor...

$3,672$3,060–$3,978 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Federal...

2015 Buick Regal Somerset

SKU P-982

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist), Federal...

$3,504$2,920–$3,796 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

2015 Buick Regal Somerset

SKU P-983

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

$2,664$2,220–$2,886 by mileage
2015 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

2015 Buick Regal Somerset

SKU P-984

engine

2015 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

$2,496$2,080–$2,704 by mileage
2016 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA)

2016 Buick Regal Somerset

SKU P-985

engine

2016 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN K (8th digit, opt LEA)

$4,176$3,480–$4,524 by mileage
2016 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist)

2016 Buick Regal Somerset

SKU P-986

engine

2016 Buick Regal Somerset (1984 Down) Engine - 2.4L, VIN R (8th digit, opt LUK, eAssist)

$3,504$2,920–$3,796 by mileage
2016 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

2016 Buick Regal Somerset

SKU P-987

engine

2016 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

$2,664$2,220–$2,886 by mileage
2016 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

2016 Buick Regal Somerset

SKU P-988

engine

2016 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

$2,496$2,080–$2,704 by mileage
2017 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

2017 Buick Regal Somerset

SKU P-989

engine

2017 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

$2,664$2,220–$2,886 by mileage
2017 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

2017 Buick Regal Somerset

SKU P-990

engine

2017 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

$2,496$2,080–$2,704 by mileage
2017 Buick Regal Somerset (1984 Down) Engine - 2.4L (VIN K, 8th digit, opt LEA)

2017 Buick Regal Somerset

SKU P-991

engine

2017 Buick Regal Somerset (1984 Down) Engine - 2.4L (VIN K, 8th digit, opt LEA)

$4,176$3,480–$4,524 by mileage
2018 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

2018 Buick Regal Somerset

SKU P-992

engine

2018 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

$2,664$2,220–$2,886 by mileage
2018 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

2018 Buick Regal Somerset

SKU P-993

engine

2018 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

$2,496$2,080–$2,704 by mileage
2018 Buick Regal Somerset (1984 Down) Engine - 3.6L (VIN S, 8th digit, opt LGX)

2018 Buick Regal Somerset

SKU P-994

engine

2018 Buick Regal Somerset (1984 Down) Engine - 3.6L (VIN S, 8th digit, opt LGX)

$4,764$3,970–$5,161 by mileage
2019 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

2019 Buick Regal Somerset

SKU P-995

engine

2019 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), AWD

$2,664$2,220–$2,886 by mileage
2019 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

2019 Buick Regal Somerset

SKU P-996

engine

2019 Buick Regal Somerset (1984 Down) Engine - 2.0L (VIN X, 8th digit, opt LTG), FWD

$2,496$2,080–$2,704 by mileage
2019 Buick Regal Somerset (1984 Down) Engine - 3.6L (VIN S, 8th digit, opt LGX)

2019 Buick Regal Somerset

SKU P-997

engine

2019 Buick Regal Somerset (1984 Down) Engine - 3.6L (VIN S, 8th digit, opt LGX)

$4,764$3,970–$5,161 by mileage
2002 Buick Rendezvous Engine - (3.4L, VIN E, 8th digit), California (opt NC8)

2002 Buick Rendezvous Engine

SKU P-998

engine

2002 Buick Rendezvous Engine - (3.4L, VIN E, 8th digit), California (opt NC8)

$1,320$1,100–$1,430 by mileage
2002 Buick Rendezvous Engine - (3.4L, VIN E, 8th digit), Federal (NF4, NF7)

2002 Buick Rendezvous Engine

SKU P-999

engine

2002 Buick Rendezvous Engine - (3.4L, VIN E, 8th digit), Federal (NF4, NF7)

$1,068$890–$1,157 by mileage
2003 Buick Rendezvous Engine - (3.4L, VIN E, 8th digit)

2003 Buick Rendezvous Engine

SKU P-1000

engine

2003 Buick Rendezvous Engine - (3.4L, VIN E, 8th digit)

$984$820–$1,066 by mileage
2004 Buick Rendezvous Engine - 3.4L (VIN E, 8th digit)

2004 Buick Rendezvous Engine

SKU P-1001

engine

2004 Buick Rendezvous Engine - 3.4L (VIN E, 8th digit)

$984$820–$1,066 by mileage
2004 Buick Rendezvous Engine - 3.6L (VIN 7, 8th digit)

2004 Buick Rendezvous Engine

SKU P-1002

engine

2004 Buick Rendezvous Engine - 3.6L (VIN 7, 8th digit)

$1,404$1,170–$1,521 by mileage
2005 Buick Rendezvous Engine - 3.4L (VIN E, 8th digit)

2005 Buick Rendezvous Engine

SKU P-1003

engine

2005 Buick Rendezvous Engine - 3.4L (VIN E, 8th digit)

$984$820–$1,066 by mileage
2005 Buick Rendezvous Engine - 3.6L (VIN 7, 8th digit)

2005 Buick Rendezvous Engine

SKU P-1004

engine

2005 Buick Rendezvous Engine - 3.6L (VIN 7, 8th digit)

$1,404$1,170–$1,521 by mileage
2006 Buick Rendezvous Engine - 3.6L (VIN 7, 8th digit)

2006 Buick Rendezvous Engine

SKU P-1005

engine

2006 Buick Rendezvous Engine - 3.6L (VIN 7, 8th digit)

$1,404$1,170–$1,521 by mileage
2006 Buick Rendezvous Engine - 3.5L (VIN L, 8th digit)

2006 Buick Rendezvous Engine

SKU P-1006

engine

2006 Buick Rendezvous Engine - 3.5L (VIN L, 8th digit)

$984$820–$1,066 by mileage
2007 Buick Rendezvous Engine - (3.5L, VIN L, 8th digit, opt LX9)

2007 Buick Rendezvous Engine

SKU P-1007

engine

2007 Buick Rendezvous Engine - (3.5L, VIN L, 8th digit, opt LX9)

$942$785–$1,021 by mileage
1965 Buick Riviera Engine - 8-401

1965 Buick Riviera Engine

SKU P-1008

engine

1965 Buick Riviera Engine - 8-401

$799$599–$999 by mileage

Shop other brands