
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.
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.
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
748 parts for Buick Regal Somerset — page 13 of 16
Filter by Material

1978 Buick Regal Somerset
SKU P-2293
1978 Buick Regal Somerset (1984 Down) Transmission - MT, 4 speed

1979 Buick Regal Somerset
SKU P-2294
1979 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case

1979 Buick Regal Somerset
SKU P-2295
1979 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev bolt pattern

1979 Buick Regal Somerset
SKU P-2296
1979 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; w/o Chev bolt patte...

1979 Buick Regal Somerset
SKU P-2297
1979 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 8-305 (5.0L)

1979 Buick Regal Somerset
SKU P-2298
1979 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, w/o 8-305

1979 Buick Regal Somerset
SKU P-2299
1979 Buick Regal Somerset (1984 Down) Transmission - MT, 3 speed

1979 Buick Regal Somerset
SKU P-2300
1979 Buick Regal Somerset (1984 Down) Transmission - MT, 4 speed

1980 Buick Regal Somerset
SKU P-2301
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 8-305 (5.0L), California

1980 Buick Regal Somerset
SKU P-2302
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 8-305 (5.0L), Federal

1980 Buick Regal Somerset
SKU P-2303
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, w/o 8-305; California

1980 Buick Regal Somerset
SKU P-2304
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, w/o 8-305; Federal

1980 Buick Regal Somerset
SKU P-2305
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, Chev built engine

1980 Buick Regal Somerset
SKU P-2306
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o Chev built engine

1980 Buick Regal Somerset
SKU P-2307
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Somerset
SKU P-2308
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Somerset
SKU P-2309
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Somerset
SKU P-2310
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

1980 Buick Regal Somerset
SKU P-2311
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

1980 Buick Regal Somerset
SKU P-2312
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, early, w/o multi-fit...

1980 Buick Regal Somerset
SKU P-2313
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, late

1980 Buick Regal Somerset
SKU P-2314
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

1980 Buick Regal Somerset
SKU P-2315
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

1980 Buick Regal Somerset
SKU P-2316
1980 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; multi-fit case

1981 Buick Regal Somerset
SKU P-2317
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; multi-fit case

1981 Buick Regal Somerset
SKU P-2318
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 6-231 (3.8L), 2 wire lock-up plug harne...

1981 Buick Regal Somerset
SKU P-2319
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, 6-231 (3.8L), 3 wire lock-up plug harne...

1981 Buick Regal Somerset
SKU P-2320
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH200, w/o 6-231

1981 Buick Regal Somerset
SKU P-2321
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 1 wi...

1981 Buick Regal Somerset
SKU P-2322
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 2 wi...

1981 Buick Regal Somerset
SKU P-2323
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, multi-fit case, 3 wi...

1981 Buick Regal Somerset
SKU P-2324
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset
SKU P-2325
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset
SKU P-2326
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset
SKU P-2327
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset
SKU P-2328
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset
SKU P-2329
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, lock-up converter, w/o multi-fit case; ...

1981 Buick Regal Somerset
SKU P-2330
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o lock-up converter; w/o multi-fit ca...

1981 Buick Regal Somerset
SKU P-2331
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

1981 Buick Regal Somerset
SKU P-2332
1981 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

1982 Buick Regal Somerset
SKU P-2333
1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, 6-231 (3.8L)

1982 Buick Regal Somerset
SKU P-2334
1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH250, w/o 6-231

1982 Buick Regal Somerset
SKU P-2335
1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH200

1982 Buick Regal Somerset
SKU P-2336
1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 1 wire lock-up plug har...

1982 Buick Regal Somerset
SKU P-2337
1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 2 wire lock-up plug har...

1982 Buick Regal Somerset
SKU P-2338
1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, multi-fit case, 3 wire lock-up plug har...

1982 Buick Regal Somerset
SKU P-2339
1982 Buick Regal Somerset (1984 Down) Transmission - AT, TH350, w/o multi-fit case; Chev built engine, ...

1982 Buick Regal Somerset
SKU P-2340