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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
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90 Days
Complete Warranty
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748 parts for Buick Regal Somerset — page 1 of 16

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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
1979 Buick Regal Engine - 8-305 (5.0L)

1979 Buick Regal Engine

SKU P-673

engine

1979 Buick Regal Engine - 8-305 (5.0L)

$799$599–$999 by mileage
1979 Buick Regal Engine - 6-196

1979 Buick Regal Engine

SKU P-674

engine

1979 Buick Regal Engine - 6-196

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

1979 Buick Regal Engine

SKU P-675

engine

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

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

1979 Buick Regal Engine

SKU P-676

engine

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

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

1979 Buick Regal Engine

SKU P-677

engine

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

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

1979 Buick Regal Engine

SKU P-678

engine

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

$799$599–$999 by mileage
1980 Buick Regal Engine - 6-231 (3.8L), 2BC (VIN A, 5th digit)

1980 Buick Regal Engine

SKU P-679

engine

1980 Buick Regal Engine - 6-231 (3.8L), 2BC (VIN A, 5th digit)

$799$599–$999 by mileage
1980 Buick Regal Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 5th digit)

1980 Buick Regal Engine

SKU P-680

engine

1980 Buick Regal Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 5th digit)

$799$599–$999 by mileage
1980 Buick Regal Engine - 8-265 (4.3L, VIN S, 5th digit)

1980 Buick Regal Engine

SKU P-681

engine

1980 Buick Regal Engine - 8-265 (4.3L, VIN S, 5th digit)

$799$599–$999 by mileage
1980 Buick Regal Engine - 8-301 (4.9L, VIN W, 5th digit)

1980 Buick Regal Engine

SKU P-682

engine

1980 Buick Regal Engine - 8-301 (4.9L, VIN W, 5th digit)

$799$599–$999 by mileage
1980 Buick Regal Engine - 8-305 (5.0L, VIN H, 5th digit)

1980 Buick Regal Engine

SKU P-683

engine

1980 Buick Regal Engine - 8-305 (5.0L, VIN H, 5th digit)

$799$599–$999 by mileage
1981 Buick Regal Engine - 8-350 (5.7L, diesel, VIN N, 8th digit), California

1981 Buick Regal Engine

SKU P-684

engine

1981 Buick Regal Engine - 8-350 (5.7L, diesel, VIN N, 8th digit), California

$799$599–$999 by mileage
1981 Buick Regal Engine - 8-350 (5.7L, diesel, VIN N, 8th digit), Federal

1981 Buick Regal Engine

SKU P-685

engine

1981 Buick Regal Engine - 8-350 (5.7L, diesel, VIN N, 8th digit), Federal

$799$599–$999 by mileage
1981 Buick Regal Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 8th digit)

1981 Buick Regal Engine

SKU P-686

engine

1981 Buick Regal Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 8th digit)

$799$599–$999 by mileage
1981 Buick Regal Engine - 8-265 (4.3L, VIN S, 8th digit)

1981 Buick Regal Engine

SKU P-687

engine

1981 Buick Regal Engine - 8-265 (4.3L, VIN S, 8th digit)

$799$599–$999 by mileage
1981 Buick Regal Engine - 8-267 (4.4L, VIN J, 8th digit)

1981 Buick Regal Engine

SKU P-688

engine

1981 Buick Regal Engine - 8-267 (4.4L, VIN J, 8th digit)

$799$599–$999 by mileage
1981 Buick Regal Engine - 6-231 (3.8L), 2BC (VIN A, 8th digit)

1981 Buick Regal Engine

SKU P-689

engine

1981 Buick Regal Engine - 6-231 (3.8L), 2BC (VIN A, 8th digit)

$799$599–$999 by mileage
1981 Buick Regal Engine - 8-305 (5.0L, VIN H, 8th digit)

1981 Buick Regal Engine

SKU P-690

engine

1981 Buick Regal Engine - 8-305 (5.0L, VIN H, 8th digit)

$799$599–$999 by mileage
1982 Buick Regal Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 8th digit)

1982 Buick Regal Engine

SKU P-691

engine

1982 Buick Regal Engine - 6-231 (3.8L), 4BC (turbo, VIN 3, 8th digit)

$799$599–$999 by mileage

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