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Buick

Premium OEM Parts Inventory

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

Compatible Models

90 Days

Complete Warranty

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2,794

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2,794 parts — page 49 of 59

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1980 Buick Regal Somerset

SKU P-2305

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, Chev built engine

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2306

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o Chev built engine

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2307

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2308

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2309

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2310

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2311

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2312

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2313

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, late

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2314

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2315

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

$799$599–$999 by mileage

1980 Buick Regal Somerset

SKU P-2316

transmission

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; multi-fit case

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2317

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; multi-fit case

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2318

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 6-231 (3.8L), 2 wire lock-up plug harne...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2319

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 6-231 (3.8L), 3 wire lock-up plug harne...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2320

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, w/o 6-231

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2321

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 1 wi...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2322

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 2 wi...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2323

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 3 wi...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2324

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2325

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2326

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2327

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2328

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2329

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2330

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2331

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

$799$599–$999 by mileage

1981 Buick Regal Somerset

SKU P-2332

transmission

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2333

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2334

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2335

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH200

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2336

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 1 wire lock-up plug har...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2337

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 2 wire lock-up plug har...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2338

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 3 wire lock-up plug har...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2339

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2340

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2341

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2342

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; w/o Chev built engi...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2343

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; w/o Chev built engi...

$799$599–$999 by mileage

1982 Buick Regal Somerset

SKU P-2344

transmission

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; w/o Chev built engi...

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2345

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2346

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2347

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 1 wire lock-up plug har...

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2348

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 2 wire lock-up plug har...

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2349

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 3 wire lock-up plug har...

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2350

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2351

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

$799$599–$999 by mileage

1983 Buick Regal Somerset

SKU P-2352

transmission

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

$799$599–$999 by mileage

Buick

Engines, Transmissions & Parts

Brand Heritage

Quality Assurance

Why Choose Buick From AUAPW

Verified Inventory

Fast Sourcing

Quality Assured

Best Pricing

24-Hour Support

Industry Leading

Total Inventory

Model Coverage

Warranty

Filter by model

Filter by Material

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, Chev built engine

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o Chev built engine

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, late

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; multi-fit case

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; multi-fit case

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 6-231 (3.8L), 2 wire lock-up plug harne...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 6-231 (3.8L), 3 wire lock-up plug harne...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, w/o 6-231

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 1 wi...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 2 wi...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 3 wi...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH200

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 1 wire lock-up plug har...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 2 wire lock-up plug har...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 3 wire lock-up plug har...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; w/o Chev built engi...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; w/o Chev built engi...

1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; w/o Chev built engi...

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 1 wire lock-up plug har...

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 2 wire lock-up plug har...

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 3 wire lock-up plug har...

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

1983 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

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