Buick · Premium Parts

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

Find Your Part

(888) 818-5001

Year

Make

Model

Part Type

Call(888) 818-5001 Get Quote

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.

2,794+

Parts Verified

90 Day

Warranty

24/7

Support

USA

Shipping

Buick Parts Advantage

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

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.

2,794 parts — page 46 of 59

Filter by Material

1983 Buick Regal Transmission

SKU P-2161

transmission

1983 Buick Regal Transmission - AT, TH200, overdrive, diesel

$799$599–$999 by mileage

1983 Buick Regal Transmission

SKU P-2162

transmission

1983 Buick Regal Transmission - AT, TH200, overdrive, gasoline, multi-fit case

$799$599–$999 by mileage

1983 Buick Regal Transmission

SKU P-2163

transmission

1983 Buick Regal Transmission - AT, TH200, w/o overdrive

$799$599–$999 by mileage

1984 Buick Regal Transmission

SKU P-2164

transmission

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

$799$599–$999 by mileage

1984 Buick Regal Transmission

SKU P-2165

transmission

1984 Buick Regal Transmission - AT, TH250, w/o 6-231

$799$599–$999 by mileage

1984 Buick Regal Transmission

SKU P-2166

transmission

1984 Buick Regal Transmission - AT, TH200, overdrive, diesel

$786$655–$852 by mileage

1984 Buick Regal Transmission

SKU P-2167

transmission

1984 Buick Regal Transmission - AT, TH200, overdrive, gasoline, multi-fit case

$799$599–$999 by mileage

1984 Buick Regal Transmission

SKU P-2168

transmission

1984 Buick Regal Transmission - AT, TH200, w/o overdrive

$799$599–$999 by mileage

1984 Buick Regal Transmission

SKU P-2169

transmission

1984 Buick Regal Transmission - AT, TH200, overdrive, gasoline, w/o multi-fit case...

$799$599–$999 by mileage

1984 Buick Regal Transmission

SKU P-2170

transmission

1984 Buick Regal Transmission - AT, TH200, overdrive, gasoline, w/o multi-fit case...

$799$599–$999 by mileage

1985 Buick Regal Transmission

SKU P-2171

transmission

1985 Buick Regal Transmission - AT, (TH200), overdrive, diesel

$799$599–$999 by mileage

1985 Buick Regal Transmission

SKU P-2172

transmission

1985 Buick Regal Transmission - AT, (TH200), overdrive, gasoline, multi-fit case

$799$599–$999 by mileage

1985 Buick Regal Transmission

SKU P-2173

transmission

1985 Buick Regal Transmission - AT, (TH200), overdrive, gasoline, w/o multi-fit ca...

$799$599–$999 by mileage

1985 Buick Regal Transmission

SKU P-2174

transmission

1985 Buick Regal Transmission - AT, (TH200), overdrive, gasoline, w/o multi-fit ca...

$799$599–$999 by mileage

1985 Buick Regal Transmission

SKU P-2175

transmission

1985 Buick Regal Transmission - AT, (TH200), w/o overdrive; Chev built engine

$799$599–$999 by mileage

1985 Buick Regal Transmission

SKU P-2176

transmission

1985 Buick Regal Transmission - AT, (TH200), w/o overdrive; w/o Chev built engine

$799$599–$999 by mileage

1986 Buick Regal Transmission

SKU P-2177

transmission

1986 Buick Regal Transmission - AT, (TH200), w/o overdrive; Chev built engine

$799$599–$999 by mileage

1986 Buick Regal Transmission

SKU P-2178

transmission

1986 Buick Regal Transmission - AT, (TH200), w/o overdrive; w/o Chev built engine

$799$599–$999 by mileage

1986 Buick Regal Transmission

SKU P-2179

transmission

1986 Buick Regal Transmission - AT, (TH200), overdrive, multi-fit case

$799$599–$999 by mileage

1986 Buick Regal Transmission

SKU P-2180

transmission

1986 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; Chev b...

$799$599–$999 by mileage

1986 Buick Regal Transmission

SKU P-2181

transmission

1986 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; w/o Ch...

$799$599–$999 by mileage

1987 Buick Regal Transmission

SKU P-2182

transmission

1987 Buick Regal Transmission - AT, (TH200), w/o overdrive; Chev built engine

$799$599–$999 by mileage

1987 Buick Regal Transmission

SKU P-2183

transmission

1987 Buick Regal Transmission - AT, (TH200), w/o overdrive; w/o Chev built engine

$799$599–$999 by mileage

1987 Buick Regal Transmission

SKU P-2184

transmission

1987 Buick Regal Transmission - AT, (TH200), overdrive, multi-fit case

$799$599–$999 by mileage

1987 Buick Regal Transmission

SKU P-2185

transmission

1987 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; Chev b...

$799$599–$999 by mileage

1987 Buick Regal Transmission

SKU P-2186

transmission

1987 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; w/o Ch...

$799$599–$999 by mileage

1988 Buick Regal Transmission

SKU P-2187

transmission

1988 Buick Regal Transmission - AT

$799$599–$999 by mileage

1989 Buick Regal Transmission

SKU P-2188

transmission

1989 Buick Regal Transmission - AT, 6-173 (2.8L)

$799$599–$999 by mileage

1989 Buick Regal Transmission

SKU P-2189

transmission

1989 Buick Regal Transmission - AT, 6-191 (3.1L)

$799$599–$999 by mileage

1990 Buick Regal Transmission

SKU P-2190

transmission

1990 Buick Regal Transmission - AT, 6-191 (3.1L)

$799$599–$999 by mileage

1990 Buick Regal Transmission

SKU P-2191

transmission

1990 Buick Regal Transmission - AT, 6-231 (3.8L)

$799$599–$999 by mileage

1991 Buick Regal Transmission

SKU P-2192

transmission

1991 Buick Regal Transmission - AT, 6-191 (3.1L)

$799$599–$999 by mileage

1991 Buick Regal Transmission

SKU P-2193

transmission

1991 Buick Regal Transmission - AT, 6-231 (3.8L)

$799$599–$999 by mileage

1992 Buick Regal Transmission

SKU P-2194

transmission

1992 Buick Regal Transmission - AT

$799$599–$999 by mileage

1993 Buick Regal Transmission

SKU P-2195

transmission

1993 Buick Regal Transmission - AT, 6-191 (3.1L)

$799$599–$999 by mileage

1993 Buick Regal Transmission

SKU P-2196

transmission

1993 Buick Regal Transmission - AT, 6-231 (3.8L)

$799$599–$999 by mileage

1994 Buick Regal Transmission

SKU P-2197

transmission

1994 Buick Regal Transmission - AT, 6-191 (3.1L)

$799$599–$999 by mileage

1994 Buick Regal Transmission

SKU P-2198

transmission

1994 Buick Regal Transmission - AT, 6-231 (3.8L)

$799$599–$999 by mileage

1995 Buick Regal Transmission

SKU P-2199

transmission

1995 Buick Regal Transmission - AT, 6-191 (3.1L)

$799$599–$999 by mileage

1995 Buick Regal Transmission

SKU P-2200

transmission

1995 Buick Regal Transmission - AT, 6-231 (3.8L)

$799$599–$999 by mileage

1996 Buick Regal Transmission

SKU P-2201

transmission

1996 Buick Regal Transmission - AT, 6-191 (3.1L)

$799$599–$999 by mileage

1996 Buick Regal Transmission

SKU P-2202

transmission

1996 Buick Regal Transmission - AT, 6-231 (3.8L)

$799$599–$999 by mileage

1997 Buick Regal Transmission

SKU P-2203

transmission

1997 Buick Regal Transmission - AT, (6-231, 3.8L), supercharged option (4T65E)

$799$599–$999 by mileage

1997 Buick Regal Transmission

SKU P-2204

transmission

1997 Buick Regal Transmission - AT, (6-231, 3.8L), w/o supercharged option

$799$599–$999 by mileage

1998 Buick Regal Transmission

SKU P-2205

transmission

1998 Buick Regal Transmission - AT, (6-231, 3.8L), supercharged option

$799$599–$999 by mileage

1998 Buick Regal Transmission

SKU P-2206

transmission

1998 Buick Regal Transmission - AT, (6-231, 3.8L), w/o supercharged option

$799$599–$999 by mileage

1999 Buick Regal Transmission

SKU P-2207

transmission

1999 Buick Regal Transmission - AT, 3.8L, supercharged option

$799$599–$999 by mileage

1999 Buick Regal Transmission

SKU P-2208

transmission

1999 Buick Regal Transmission - AT, 3.8L, w/o supercharged option

$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

1983 Buick Regal Transmission - AT, TH200, overdrive, diesel

1983 Buick Regal Transmission - AT, TH200, overdrive, gasoline, multi-fit case

1983 Buick Regal Transmission - AT, TH200, w/o overdrive

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

1984 Buick Regal Transmission - AT, TH250, w/o 6-231

1984 Buick Regal Transmission - AT, TH200, overdrive, diesel

1984 Buick Regal Transmission - AT, TH200, overdrive, gasoline, multi-fit case

1984 Buick Regal Transmission - AT, TH200, w/o overdrive

1984 Buick Regal Transmission - AT, TH200, overdrive, gasoline, w/o multi-fit case...

1984 Buick Regal Transmission - AT, TH200, overdrive, gasoline, w/o multi-fit case...

1985 Buick Regal Transmission - AT, (TH200), overdrive, diesel

1985 Buick Regal Transmission - AT, (TH200), overdrive, gasoline, multi-fit case

1985 Buick Regal Transmission - AT, (TH200), overdrive, gasoline, w/o multi-fit ca...

1985 Buick Regal Transmission - AT, (TH200), overdrive, gasoline, w/o multi-fit ca...

1985 Buick Regal Transmission - AT, (TH200), w/o overdrive; Chev built engine

1985 Buick Regal Transmission - AT, (TH200), w/o overdrive; w/o Chev built engine

1986 Buick Regal Transmission - AT, (TH200), w/o overdrive; Chev built engine

1986 Buick Regal Transmission - AT, (TH200), w/o overdrive; w/o Chev built engine

1986 Buick Regal Transmission - AT, (TH200), overdrive, multi-fit case

1986 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; Chev b...

1986 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; w/o Ch...

1987 Buick Regal Transmission - AT, (TH200), w/o overdrive; Chev built engine

1987 Buick Regal Transmission - AT, (TH200), w/o overdrive; w/o Chev built engine

1987 Buick Regal Transmission - AT, (TH200), overdrive, multi-fit case

1987 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; Chev b...

1987 Buick Regal Transmission - AT, (TH200), overdrive, w/o multi-fit case; w/o Ch...

1988 Buick Regal Transmission - AT

1989 Buick Regal Transmission - AT, 6-173 (2.8L)

1989 Buick Regal Transmission - AT, 6-191 (3.1L)

1990 Buick Regal Transmission - AT, 6-191 (3.1L)

1990 Buick Regal Transmission - AT, 6-231 (3.8L)

1991 Buick Regal Transmission - AT, 6-191 (3.1L)

1991 Buick Regal Transmission - AT, 6-231 (3.8L)

1992 Buick Regal Transmission - AT

1993 Buick Regal Transmission - AT, 6-191 (3.1L)

1993 Buick Regal Transmission - AT, 6-231 (3.8L)

1994 Buick Regal Transmission - AT, 6-191 (3.1L)

1994 Buick Regal Transmission - AT, 6-231 (3.8L)

1995 Buick Regal Transmission - AT, 6-191 (3.1L)

1995 Buick Regal Transmission - AT, 6-231 (3.8L)

1996 Buick Regal Transmission - AT, 6-191 (3.1L)

1996 Buick Regal Transmission - AT, 6-231 (3.8L)

1997 Buick Regal Transmission - AT, (6-231, 3.8L), supercharged option (4T65E)

1997 Buick Regal Transmission - AT, (6-231, 3.8L), w/o supercharged option

1998 Buick Regal Transmission - AT, (6-231, 3.8L), supercharged option

1998 Buick Regal Transmission - AT, (6-231, 3.8L), w/o supercharged option

1999 Buick Regal Transmission - AT, 3.8L, supercharged option

1999 Buick Regal Transmission - AT, 3.8L, w/o supercharged option

Shop other brands