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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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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

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2002 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

2002 Buick Park Ave

SKU P-625

engine

2002 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

$1,320$1,100–$1,430 by mileage
2003 Buick Park Ave (1980 Up) Engine - (3.8L), w/o supercharged option; (VIN K, 8th digit...

2003 Buick Park Ave

SKU P-626

engine

2003 Buick Park Ave (1980 Up) Engine - (3.8L), w/o supercharged option; (VIN K, 8th digit...

$900$750–$975 by mileage
2003 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

2003 Buick Park Ave

SKU P-627

engine

2003 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

$1,320$1,100–$1,430 by mileage
2004 Buick Park Ave (1980 Up) Engine - (3.8L), w/o supercharged option; (VIN K, 8th digit...

2004 Buick Park Ave

SKU P-628

engine

2004 Buick Park Ave (1980 Up) Engine - (3.8L), w/o supercharged option; (VIN K, 8th digit...

$900$750–$975 by mileage
2004 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

2004 Buick Park Ave

SKU P-629

engine

2004 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

$1,320$1,100–$1,430 by mileage
2005 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

2005 Buick Park Ave

SKU P-630

engine

2005 Buick Park Ave (1980 Up) Engine - (3.8L), supercharged option, (VIN 1, 8th digit)

$1,320$1,100–$1,430 by mileage
2005 Buick Park Ave (1980 Up) Engine - (3.8L), w/o supercharged option; (VIN K, 8th digit...

2005 Buick Park Ave

SKU P-631

engine

2005 Buick Park Ave (1980 Up) Engine - (3.8L), w/o supercharged option; (VIN K, 8th digit...

$900$750–$975 by mileage
2004 Buick Rainier Engine - 4.2L (VIN S, 8th digit)

2004 Buick Rainier Engine

SKU P-632

engine

2004 Buick Rainier Engine - 4.2L (VIN S, 8th digit)

$1,068$890–$1,157 by mileage
2004 Buick Rainier Engine - 5.3L (VIN P, 8th digit)

2004 Buick Rainier Engine

SKU P-633

engine

2004 Buick Rainier Engine - 5.3L (VIN P, 8th digit)

$1,236$1,030–$1,339 by mileage
2005 Buick Rainier Engine - 4.2L (VIN S, 8th digit)

2005 Buick Rainier Engine

SKU P-634

engine

2005 Buick Rainier Engine - 4.2L (VIN S, 8th digit)

$1,068$890–$1,157 by mileage
2005 Buick Rainier Engine - 5.3L (VIN M, 8th digit)

2005 Buick Rainier Engine

SKU P-635

engine

2005 Buick Rainier Engine - 5.3L (VIN M, 8th digit)

$3,168$2,640–$3,432 by mileage
2006 Buick Rainier Engine - 4.2L (VIN S, 8th digit)

2006 Buick Rainier Engine

SKU P-636

engine

2006 Buick Rainier Engine - 4.2L (VIN S, 8th digit)

$1,068$890–$1,157 by mileage
2006 Buick Rainier Engine - 5.3L (VIN M, 8th digit)

2006 Buick Rainier Engine

SKU P-637

engine

2006 Buick Rainier Engine - 5.3L (VIN M, 8th digit)

$3,168$2,640–$3,432 by mileage
2007 Buick Rainier Engine - 4.2L (VIN S, 8th digit, opt LL8)

2007 Buick Rainier Engine

SKU P-638

engine

2007 Buick Rainier Engine - 4.2L (VIN S, 8th digit, opt LL8)

$1,656$1,380–$1,794 by mileage
2007 Buick Rainier Engine - 5.3L (VIN M, 8th digit, opt LH6)

2007 Buick Rainier Engine

SKU P-639

engine

2007 Buick Rainier Engine - 5.3L (VIN M, 8th digit, opt LH6)

$4,008$3,340–$4,342 by mileage
1988 Buick Reatta Engine - (6-231, 3.8L, VIN C, 8th digit)

1988 Buick Reatta Engine

SKU P-640

engine

1988 Buick Reatta Engine - (6-231, 3.8L, VIN C, 8th digit)

$799$599–$999 by mileage
1989 Buick Reatta Engine - (6-231, 3.8L, VIN C, 8th digit)

1989 Buick Reatta Engine

SKU P-641

engine

1989 Buick Reatta Engine - (6-231, 3.8L, VIN C, 8th digit)

$799$599–$999 by mileage
1990 Buick Reatta Engine - (6-231, 3.8L, VIN C, 8th digit)

1990 Buick Reatta Engine

SKU P-642

engine

1990 Buick Reatta Engine - (6-231, 3.8L, VIN C, 8th digit)

$799$599–$999 by mileage
1991 Buick Reatta Engine - (6-231, 3.8L, VIN L, 8th digit)

1991 Buick Reatta Engine

SKU P-643

engine

1991 Buick Reatta Engine - (6-231, 3.8L, VIN L, 8th digit)

$799$599–$999 by mileage
1973 Buick Regal Engine - 8-455

1973 Buick Regal Engine

SKU P-644

engine

1973 Buick Regal Engine - 8-455

$799$599–$999 by mileage
1973 Buick Regal Engine - 8-350, VIN H (5th digit)

1973 Buick Regal Engine

SKU P-645

engine

1973 Buick Regal Engine - 8-350, VIN H (5th digit)

$799$599–$999 by mileage
1973 Buick Regal Engine - 8-350, VIN J (5th digit)

1973 Buick Regal Engine

SKU P-646

engine

1973 Buick Regal Engine - 8-350, VIN J (5th digit)

$799$599–$999 by mileage
1973 Buick Regal Engine - 8-350, VIN X (5th digit)

1973 Buick Regal Engine

SKU P-647

engine

1973 Buick Regal Engine - 8-350, VIN X (5th digit)

$799$599–$999 by mileage
1974 Buick Regal Engine - 8-455

1974 Buick Regal Engine

SKU P-648

engine

1974 Buick Regal Engine - 8-455

$799$599–$999 by mileage
1974 Buick Regal Engine - 8-350, VIN H (5th digit)

1974 Buick Regal Engine

SKU P-649

engine

1974 Buick Regal Engine - 8-350, VIN H (5th digit)

$799$599–$999 by mileage
1974 Buick Regal Engine - 8-350, VIN J (5th digit)

1974 Buick Regal Engine

SKU P-650

engine

1974 Buick Regal Engine - 8-350, VIN J (5th digit)

$799$599–$999 by mileage
1974 Buick Regal Engine - 8-350, VIN X (5th digit)

1974 Buick Regal Engine

SKU P-651

engine

1974 Buick Regal Engine - 8-350, VIN X (5th digit)

$799$599–$999 by mileage
1975 Buick Regal Engine - 8-350, VIN H (5th digit)

1975 Buick Regal Engine

SKU P-652

engine

1975 Buick Regal Engine - 8-350, VIN H (5th digit)

$799$599–$999 by mileage
1975 Buick Regal Engine - 8-350, VIN J (5th digit)

1975 Buick Regal Engine

SKU P-653

engine

1975 Buick Regal Engine - 8-350, VIN J (5th digit)

$799$599–$999 by mileage
1975 Buick Regal Engine - 8-350, VIN X (5th digit)

1975 Buick Regal Engine

SKU P-654

engine

1975 Buick Regal Engine - 8-350, VIN X (5th digit)

$799$599–$999 by mileage
1975 Buick Regal Engine - 6-231 (VIN C, 5th digit)

1975 Buick Regal Engine

SKU P-655

engine

1975 Buick Regal Engine - 6-231 (VIN C, 5th digit)

$799$599–$999 by mileage
1976 Buick Regal Engine - 8-350, VIN H (5th digit)

1976 Buick Regal Engine

SKU P-656

engine

1976 Buick Regal Engine - 8-350, VIN H (5th digit)

$799$599–$999 by mileage
1976 Buick Regal Engine - 8-350, VIN J (5th digit)

1976 Buick Regal Engine

SKU P-657

engine

1976 Buick Regal Engine - 8-350, VIN J (5th digit)

$799$599–$999 by mileage
1976 Buick Regal Engine - 8-350, VIN X (5th digit)

1976 Buick Regal Engine

SKU P-658

engine

1976 Buick Regal Engine - 8-350, VIN X (5th digit)

$799$599–$999 by mileage
1976 Buick Regal Engine - 6-231 (VIN C, 5th digit)

1976 Buick Regal Engine

SKU P-659

engine

1976 Buick Regal Engine - 6-231 (VIN C, 5th digit)

$799$599–$999 by mileage
1977 Buick Regal Engine - 6-231, VIN A (5th digit, even firing)

1977 Buick Regal Engine

SKU P-660

engine

1977 Buick Regal Engine - 6-231, VIN A (5th digit, even firing)

$799$599–$999 by mileage
1977 Buick Regal Engine - 6-231, VIN C (5th digit, uneven firing)

1977 Buick Regal Engine

SKU P-661

engine

1977 Buick Regal Engine - 6-231, VIN C (5th digit, uneven firing)

$799$599–$999 by mileage
1977 Buick Regal Engine - 8-350, VIN H (5th digit, Buick, 2BC)

1977 Buick Regal Engine

SKU P-662

engine

1977 Buick Regal Engine - 8-350, VIN H (5th digit, Buick, 2BC)

$799$599–$999 by mileage
1977 Buick Regal Engine - 8-350, VIN J (5th digit, Buick, 4BC)

1977 Buick Regal Engine

SKU P-663

engine

1977 Buick Regal Engine - 8-350, VIN J (5th digit, Buick, 4BC)

$799$599–$999 by mileage
1977 Buick Regal Engine - 8-350, VIN L (5th digit, Chev)

1977 Buick Regal Engine

SKU P-664

engine

1977 Buick Regal Engine - 8-350, VIN L (5th digit, Chev)

$799$599–$999 by mileage
1977 Buick Regal Engine - 8-350, VIN R (5th digit), AT

1977 Buick Regal Engine

SKU P-665

engine

1977 Buick Regal Engine - 8-350, VIN R (5th digit), AT

$799$599–$999 by mileage
1977 Buick Regal Engine - 8-350, VIN R (5th digit), MT

1977 Buick Regal Engine

SKU P-666

engine

1977 Buick Regal Engine - 8-350, VIN R (5th digit), MT

$799$599–$999 by mileage
1977 Buick Regal Engine - 8-305 (5.0L)

1977 Buick Regal Engine

SKU P-667

engine

1977 Buick Regal Engine - 8-305 (5.0L)

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

1978 Buick Regal Engine

SKU P-668

engine

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

$799$599–$999 by mileage
1978 Buick Regal Engine - 6-196

1978 Buick Regal Engine

SKU P-669

engine

1978 Buick Regal Engine - 6-196

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

1978 Buick Regal Engine

SKU P-670

engine

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

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

1978 Buick Regal Engine

SKU P-671

engine

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

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

1978 Buick Regal Engine

SKU P-672

engine

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

$799$599–$999 by mileage

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