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Premium OEM Parts Inventory

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

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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

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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

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

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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.

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1977 Buick Limited Engine - 8-403

1977 Buick Limited Engine

SKU P-481

engine

1977 Buick Limited Engine - 8-403

$799$599–$999 by mileage
1978 Buick Limited Engine - 8-301 (4.9L, VIN Y, 5th digit)

1978 Buick Limited Engine

SKU P-482

engine

1978 Buick Limited Engine - 8-301 (4.9L, VIN Y, 5th digit)

$799$599–$999 by mileage
1978 Buick Limited Engine - 8-350 (5.7L), VIN R (5th digit)

1978 Buick Limited Engine

SKU P-483

engine

1978 Buick Limited Engine - 8-350 (5.7L), VIN R (5th digit)

$799$599–$999 by mileage
1978 Buick Limited Engine - 8-403

1978 Buick Limited Engine

SKU P-484

engine

1978 Buick Limited Engine - 8-403

$799$599–$999 by mileage
1978 Buick Limited Engine - 6-231 (3.8L), 2BC, turbo, (VIN G, 5th digit)

1978 Buick Limited Engine

SKU P-485

engine

1978 Buick Limited Engine - 6-231 (3.8L), 2BC, turbo, (VIN G, 5th digit)

$799$599–$999 by mileage
1978 Buick Limited Engine - 6-231 (3.8L), 2BC, w/o turbo; (VIN A, 5th digit)

1978 Buick Limited Engine

SKU P-486

engine

1978 Buick Limited Engine - 6-231 (3.8L), 2BC, w/o turbo; (VIN A, 5th digit)

$799$599–$999 by mileage
1978 Buick Limited Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 5th digit)

1978 Buick Limited Engine

SKU P-487

engine

1978 Buick Limited Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 5th digit)

$799$599–$999 by mileage
1978 Buick Limited Engine - 8-305 (5.0L)

1978 Buick Limited Engine

SKU P-488

engine

1978 Buick Limited Engine - 8-305 (5.0L)

$799$599–$999 by mileage
1978 Buick Limited Engine - 8-350 (5.7L), VIN X (5th digit, Buick)

1978 Buick Limited Engine

SKU P-489

engine

1978 Buick Limited Engine - 8-350 (5.7L), VIN X (5th digit, Buick)

$799$599–$999 by mileage
1979 Buick Limited Engine - 8-350 (5.7L), VIN R (5th digit)

1979 Buick Limited Engine

SKU P-490

engine

1979 Buick Limited Engine - 8-350 (5.7L), VIN R (5th digit)

$799$599–$999 by mileage
1979 Buick Limited Engine - 8-403

1979 Buick Limited Engine

SKU P-491

engine

1979 Buick Limited Engine - 8-403

$799$599–$999 by mileage
1979 Buick Limited Engine - 8-350 (5.7L), VIN X (5th digit, Buick)

1979 Buick Limited Engine

SKU P-492

engine

1979 Buick Limited Engine - 8-350 (5.7L), VIN X (5th digit, Buick)

$799$599–$999 by mileage
1979 Buick Limited Engine - 6-231 (3.8L), 2BC (VIN A, 5th digit)

1979 Buick Limited Engine

SKU P-493

engine

1979 Buick Limited Engine - 6-231 (3.8L), 2BC (VIN A, 5th digit)

$799$599–$999 by mileage
1979 Buick Limited Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 5th digit)

1979 Buick Limited Engine

SKU P-494

engine

1979 Buick Limited Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 5th digit)

$799$599–$999 by mileage
1979 Buick Limited Engine - 8-301 (4.9L), VIN W (5th digit)

1979 Buick Limited Engine

SKU P-495

engine

1979 Buick Limited Engine - 8-301 (4.9L), VIN W (5th digit)

$799$599–$999 by mileage
1979 Buick Limited Engine - 8-301 (4.9L), VIN Y (5th digit)

1979 Buick Limited Engine

SKU P-496

engine

1979 Buick Limited Engine - 8-301 (4.9L), VIN Y (5th digit)

$799$599–$999 by mileage
2006 Buick Lucerne Engine - 4.6L (VIN Y, 8th digit, opt LD8)

2006 Buick Lucerne Engine

SKU P-497

engine

2006 Buick Lucerne Engine - 4.6L (VIN Y, 8th digit, opt LD8)

$1,320$1,100–$1,430 by mileage
2006 Buick Lucerne Engine - 3.8L (VIN 2, 8th digit, opt L26)

2006 Buick Lucerne Engine

SKU P-498

engine

2006 Buick Lucerne Engine - 3.8L (VIN 2, 8th digit, opt L26)

$900$750–$975 by mileage
2007 Buick Lucerne Engine - 4.6L (VIN Y, 8th digit, opt LD8)

2007 Buick Lucerne Engine

SKU P-499

engine

2007 Buick Lucerne Engine - 4.6L (VIN Y, 8th digit, opt LD8)

$1,320$1,100–$1,430 by mileage
2007 Buick Lucerne Engine - 3.8L (VIN 2, 8th digit, opt L26)

2007 Buick Lucerne Engine

SKU P-500

engine

2007 Buick Lucerne Engine - 3.8L (VIN 2, 8th digit, opt L26)

$900$750–$975 by mileage
2008 Buick Lucerne Engine - 3.8L (VIN 2, 8th digit, opt L26)

2008 Buick Lucerne Engine

SKU P-501

engine

2008 Buick Lucerne Engine - 3.8L (VIN 2, 8th digit, opt L26)

$900$750–$975 by mileage
2008 Buick Lucerne Engine - 4.6L, VIN 9 (8th digit, opt L37)

2008 Buick Lucerne Engine

SKU P-502

engine

2008 Buick Lucerne Engine - 4.6L, VIN 9 (8th digit, opt L37)

$2,496$2,080–$2,704 by mileage
2008 Buick Lucerne Engine - 4.6L, VIN Y (8th digit, opt LD8)

2008 Buick Lucerne Engine

SKU P-503

engine

2008 Buick Lucerne Engine - 4.6L, VIN Y (8th digit, opt LD8)

$1,320$1,100–$1,430 by mileage
2009 Buick Lucerne Engine - 4.6L, VIN 9 (8th digit, opt L37)

2009 Buick Lucerne Engine

SKU P-504

engine

2009 Buick Lucerne Engine - 4.6L, VIN 9 (8th digit, opt L37)

$2,496$2,080–$2,704 by mileage
2009 Buick Lucerne Engine - 4.6L, VIN Y (8th digit, opt LD8)

2009 Buick Lucerne Engine

SKU P-505

engine

2009 Buick Lucerne Engine - 4.6L, VIN Y (8th digit, opt LD8)

$1,320$1,100–$1,430 by mileage
2009 Buick Lucerne Engine - 3.9L, VIN 1 (8th digit, opt LZ9)

2009 Buick Lucerne Engine

SKU P-506

engine

2009 Buick Lucerne Engine - 3.9L, VIN 1 (8th digit, opt LZ9)

$1,068$890–$1,157 by mileage
2009 Buick Lucerne Engine - 3.9L, VIN M (8th digit, opt LGD)

2009 Buick Lucerne Engine

SKU P-507

engine

2009 Buick Lucerne Engine - 3.9L, VIN M (8th digit, opt LGD)

$1,236$1,030–$1,339 by mileage
2010 Buick Lucerne Engine - 3.9L, VIN 1 (8th digit, opt LZ9)

2010 Buick Lucerne Engine

SKU P-508

engine

2010 Buick Lucerne Engine - 3.9L, VIN 1 (8th digit, opt LZ9)

$1,068$890–$1,157 by mileage
2010 Buick Lucerne Engine - 3.9L, VIN M (8th digit, opt LGD)

2010 Buick Lucerne Engine

SKU P-509

engine

2010 Buick Lucerne Engine - 3.9L, VIN M (8th digit, opt LGD)

$1,236$1,030–$1,339 by mileage
2010 Buick Lucerne Engine - 4.6L (VIN 9, 8th digit, opt L37)

2010 Buick Lucerne Engine

SKU P-510

engine

2010 Buick Lucerne Engine - 4.6L (VIN 9, 8th digit, opt L37)

$2,496$2,080–$2,704 by mileage
2011 Buick Lucerne Engine - 3.9L (VIN M, 8th digit, opt LGD)

2011 Buick Lucerne Engine

SKU P-511

engine

2011 Buick Lucerne Engine - 3.9L (VIN M, 8th digit, opt LGD)

$1,236$1,030–$1,339 by mileage
2011 Buick Lucerne Engine - 4.6L (opt L37), VIN 9 (8th digit)

2011 Buick Lucerne Engine

SKU P-512

engine

2011 Buick Lucerne Engine - 4.6L (opt L37), VIN 9 (8th digit)

$2,496$2,080–$2,704 by mileage
2011 Buick Lucerne Engine - 4.6L (opt L37), VIN S (8th digit)

2011 Buick Lucerne Engine

SKU P-513

engine

2011 Buick Lucerne Engine - 4.6L (opt L37), VIN S (8th digit)

$1,236$1,030–$1,339 by mileage
1964 Buick Park Ave (1979 Down) Engine - 8-300

1964 Buick Park Ave

SKU P-514

engine

1964 Buick Park Ave (1979 Down) Engine - 8-300

$799$599–$999 by mileage
1964 Buick Park Ave (1979 Down) Engine - 8-401

1964 Buick Park Ave

SKU P-515

engine

1964 Buick Park Ave (1979 Down) Engine - 8-401

$799$599–$999 by mileage
1964 Buick Park Ave (1979 Down) Engine - 8-425

1964 Buick Park Ave

SKU P-516

engine

1964 Buick Park Ave (1979 Down) Engine - 8-425

$799$599–$999 by mileage
1965 Buick Park Ave (1979 Down) Engine - 8-300

1965 Buick Park Ave

SKU P-517

engine

1965 Buick Park Ave (1979 Down) Engine - 8-300

$799$599–$999 by mileage
1965 Buick Park Ave (1979 Down) Engine - 8-401

1965 Buick Park Ave

SKU P-518

engine

1965 Buick Park Ave (1979 Down) Engine - 8-401

$799$599–$999 by mileage
1965 Buick Park Ave (1979 Down) Engine - 8-425

1965 Buick Park Ave

SKU P-519

engine

1965 Buick Park Ave (1979 Down) Engine - 8-425

$799$599–$999 by mileage
1966 Buick Park Ave (1979 Down) Engine - 8-300

1966 Buick Park Ave

SKU P-520

engine

1966 Buick Park Ave (1979 Down) Engine - 8-300

$799$599–$999 by mileage
1966 Buick Park Ave (1979 Down) Engine - 8-401

1966 Buick Park Ave

SKU P-521

engine

1966 Buick Park Ave (1979 Down) Engine - 8-401

$799$599–$999 by mileage
1966 Buick Park Ave (1979 Down) Engine - 8-425

1966 Buick Park Ave

SKU P-522

engine

1966 Buick Park Ave (1979 Down) Engine - 8-425

$799$599–$999 by mileage
1966 Buick Park Ave (1979 Down) Engine - 8-340

1966 Buick Park Ave

SKU P-523

engine

1966 Buick Park Ave (1979 Down) Engine - 8-340

$799$599–$999 by mileage
1967 Buick Park Ave (1979 Down) Engine - 8-340

1967 Buick Park Ave

SKU P-524

engine

1967 Buick Park Ave (1979 Down) Engine - 8-340

$799$599–$999 by mileage
1967 Buick Park Ave (1979 Down) Engine - 8-430

1967 Buick Park Ave

SKU P-525

engine

1967 Buick Park Ave (1979 Down) Engine - 8-430

$799$599–$999 by mileage
1968 Buick Park Ave (1979 Down) Engine - 8-430

1968 Buick Park Ave

SKU P-526

engine

1968 Buick Park Ave (1979 Down) Engine - 8-430

$799$599–$999 by mileage
1968 Buick Park Ave (1979 Down) Engine - 8-350

1968 Buick Park Ave

SKU P-527

engine

1968 Buick Park Ave (1979 Down) Engine - 8-350

$799$599–$999 by mileage
1969 Buick Park Ave (1979 Down) Engine - 8-430

1969 Buick Park Ave

SKU P-528

engine

1969 Buick Park Ave (1979 Down) Engine - 8-430

$799$599–$999 by mileage

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