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 44 of 59

Filter by Material

2007 Buick Rainier Transmission

SKU P-2065

transmission

2007 Buick Rainier Transmission - AT, 5.3L, 4x2

$799$599–$999 by mileage

2007 Buick Rainier Transmission

SKU P-2066

transmission

2007 Buick Rainier Transmission - AT, 5.3L, 4x4

$799$599–$999 by mileage

1988 Buick Reatta Transmission

SKU P-2067

transmission

1988 Buick Reatta Transmission - AT

$799$599–$999 by mileage

1989 Buick Reatta Transmission

SKU P-2068

transmission

1989 Buick Reatta Transmission - AT

$799$599–$999 by mileage

1990 Buick Reatta Transmission

SKU P-2069

transmission

1990 Buick Reatta Transmission - AT

$799$599–$999 by mileage

1991 Buick Reatta Transmission

SKU P-2070

transmission

1991 Buick Reatta Transmission - AT

$799$599–$999 by mileage

1973 Buick Regal Transmission

SKU P-2071

transmission

1973 Buick Regal Transmission - MT, (3 speed)

$799$599–$999 by mileage

1973 Buick Regal Transmission

SKU P-2072

transmission

1973 Buick Regal Transmission - AT, TH350, multi-fit case

$799$599–$999 by mileage

1973 Buick Regal Transmission

SKU P-2073

transmission

1973 Buick Regal Transmission - AT, TH350, w/o multi-fit case

$799$599–$999 by mileage

1973 Buick Regal Transmission

SKU P-2074

transmission

1973 Buick Regal Transmission - AT, TH400

$799$599–$999 by mileage

1974 Buick Regal Transmission

SKU P-2075

transmission

1974 Buick Regal Transmission - AT, TH350, multi-fit case

$799$599–$999 by mileage

1974 Buick Regal Transmission

SKU P-2076

transmission

1974 Buick Regal Transmission - AT, TH350, w/o multi-fit case

$799$599–$999 by mileage

1974 Buick Regal Transmission

SKU P-2077

transmission

1974 Buick Regal Transmission - AT, TH400

$799$599–$999 by mileage

1975 Buick Regal Transmission

SKU P-2078

transmission

1975 Buick Regal Transmission - AT, TH350, multi-fit case

$799$599–$999 by mileage

1975 Buick Regal Transmission

SKU P-2079

transmission

1975 Buick Regal Transmission - AT, TH350, w/o multi-fit case

$799$599–$999 by mileage

1975 Buick Regal Transmission

SKU P-2080

transmission

1975 Buick Regal Transmission - AT, TH400

$799$599–$999 by mileage

1975 Buick Regal Transmission

SKU P-2081

transmission

1975 Buick Regal Transmission - MT, (3 speed)

$799$599–$999 by mileage

1976 Buick Regal Transmission

SKU P-2082

transmission

1976 Buick Regal Transmission - MT, (3 speed)

$799$599–$999 by mileage

1976 Buick Regal Transmission

SKU P-2083

transmission

1976 Buick Regal Transmission - AT, (TH350), multi-fit case

$799$599–$999 by mileage

1976 Buick Regal Transmission

SKU P-2084

transmission

1976 Buick Regal Transmission - AT, (TH350), w/o multi-fit case

$799$599–$999 by mileage

1977 Buick Regal Transmission

SKU P-2085

transmission

1977 Buick Regal Transmission - AT, TH400

$799$599–$999 by mileage

1977 Buick Regal Transmission

SKU P-2086

transmission

1977 Buick Regal Transmission - MT, (3 speed)

$799$599–$999 by mileage

1977 Buick Regal Transmission

SKU P-2087

transmission

1977 Buick Regal Transmission - AT, TH350, multi-fit case

$799$599–$999 by mileage

1977 Buick Regal Transmission

SKU P-2088

transmission

1977 Buick Regal Transmission - AT, TH350, w/o multi-fit case; Chev bolt pattern

$799$599–$999 by mileage

1977 Buick Regal Transmission

SKU P-2089

transmission

1977 Buick Regal Transmission - AT, TH350, w/o multi-fit case; w/o Chev bolt patte...

$799$599–$999 by mileage

1978 Buick Regal Transmission

SKU P-2090

transmission

1978 Buick Regal Transmission - AT, TH350, multi-fit case

$799$599–$999 by mileage

1978 Buick Regal Transmission

SKU P-2091

transmission

1978 Buick Regal Transmission - AT, TH350, w/o multi-fit case; Chev bolt pattern

$799$599–$999 by mileage

1978 Buick Regal Transmission

SKU P-2092

transmission

1978 Buick Regal Transmission - AT, TH350, w/o multi-fit case; w/o Chev bolt patte...

$799$599–$999 by mileage

1978 Buick Regal Transmission

SKU P-2093

transmission

1978 Buick Regal Transmission - AT, TH200, 8-305 (5.0L)

$799$599–$999 by mileage

1978 Buick Regal Transmission

SKU P-2094

transmission

1978 Buick Regal Transmission - AT, TH200, w/o 8-305

$799$599–$999 by mileage

1978 Buick Regal Transmission

SKU P-2095

transmission

1978 Buick Regal Transmission - MT, 3 speed

$799$599–$999 by mileage

1978 Buick Regal Transmission

SKU P-2096

transmission

1978 Buick Regal Transmission - MT, 4 speed

$799$599–$999 by mileage

1979 Buick Regal Transmission

SKU P-2097

transmission

1979 Buick Regal Transmission - AT, TH350, multi-fit case

$799$599–$999 by mileage

1979 Buick Regal Transmission

SKU P-2098

transmission

1979 Buick Regal Transmission - AT, TH350, w/o multi-fit case; Chev bolt pattern

$799$599–$999 by mileage

1979 Buick Regal Transmission

SKU P-2099

transmission

1979 Buick Regal Transmission - AT, TH350, w/o multi-fit case; w/o Chev bolt patte...

$799$599–$999 by mileage

1979 Buick Regal Transmission

SKU P-2100

transmission

1979 Buick Regal Transmission - AT, TH200, 8-305 (5.0L)

$799$599–$999 by mileage

1979 Buick Regal Transmission

SKU P-2101

transmission

1979 Buick Regal Transmission - AT, TH200, w/o 8-305

$799$599–$999 by mileage

1979 Buick Regal Transmission

SKU P-2102

transmission

1979 Buick Regal Transmission - MT, 3 speed

$799$599–$999 by mileage

1979 Buick Regal Transmission

SKU P-2103

transmission

1979 Buick Regal Transmission - MT, 4 speed

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2104

transmission

1980 Buick Regal Transmission - AT, TH200, 8-305 (5.0L), California

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2105

transmission

1980 Buick Regal Transmission - AT, TH200, 8-305 (5.0L), Federal

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2106

transmission

1980 Buick Regal Transmission - AT, TH200, w/o 8-305; California

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2107

transmission

1980 Buick Regal Transmission - AT, TH200, w/o 8-305; Federal

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2108

transmission

1980 Buick Regal Transmission - AT, TH250, Chev built engine

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2109

transmission

1980 Buick Regal Transmission - AT, TH250, w/o Chev built engine

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2110

transmission

1980 Buick Regal Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2111

transmission

1980 Buick Regal Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

$799$599–$999 by mileage

1980 Buick Regal Transmission

SKU P-2112

transmission

1980 Buick Regal Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

$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

2007 Buick Rainier Transmission - AT, 5.3L, 4x2

2007 Buick Rainier Transmission - AT, 5.3L, 4x4

1988 Buick Reatta Transmission - AT

1989 Buick Reatta Transmission - AT

1990 Buick Reatta Transmission - AT

1991 Buick Reatta Transmission - AT

1973 Buick Regal Transmission - MT, (3 speed)

1973 Buick Regal Transmission - AT, TH350, multi-fit case

1973 Buick Regal Transmission - AT, TH350, w/o multi-fit case

1973 Buick Regal Transmission - AT, TH400

1974 Buick Regal Transmission - AT, TH350, multi-fit case

1974 Buick Regal Transmission - AT, TH350, w/o multi-fit case

1974 Buick Regal Transmission - AT, TH400

1975 Buick Regal Transmission - AT, TH350, multi-fit case

1975 Buick Regal Transmission - AT, TH350, w/o multi-fit case

1975 Buick Regal Transmission - AT, TH400

1975 Buick Regal Transmission - MT, (3 speed)

1976 Buick Regal Transmission - MT, (3 speed)

1976 Buick Regal Transmission - AT, (TH350), multi-fit case

1976 Buick Regal Transmission - AT, (TH350), w/o multi-fit case

1977 Buick Regal Transmission - AT, TH400

1977 Buick Regal Transmission - MT, (3 speed)

1977 Buick Regal Transmission - AT, TH350, multi-fit case

1977 Buick Regal Transmission - AT, TH350, w/o multi-fit case; Chev bolt pattern

1977 Buick Regal Transmission - AT, TH350, w/o multi-fit case; w/o Chev bolt patte...

1978 Buick Regal Transmission - AT, TH350, multi-fit case

1978 Buick Regal Transmission - AT, TH350, w/o multi-fit case; Chev bolt pattern

1978 Buick Regal Transmission - AT, TH350, w/o multi-fit case; w/o Chev bolt patte...

1978 Buick Regal Transmission - AT, TH200, 8-305 (5.0L)

1978 Buick Regal Transmission - AT, TH200, w/o 8-305

1978 Buick Regal Transmission - MT, 3 speed

1978 Buick Regal Transmission - MT, 4 speed

1979 Buick Regal Transmission - AT, TH350, multi-fit case

1979 Buick Regal Transmission - AT, TH350, w/o multi-fit case; Chev bolt pattern

1979 Buick Regal Transmission - AT, TH350, w/o multi-fit case; w/o Chev bolt patte...

1979 Buick Regal Transmission - AT, TH200, 8-305 (5.0L)

1979 Buick Regal Transmission - AT, TH200, w/o 8-305

1979 Buick Regal Transmission - MT, 3 speed

1979 Buick Regal Transmission - MT, 4 speed

1980 Buick Regal Transmission - AT, TH200, 8-305 (5.0L), California

1980 Buick Regal Transmission - AT, TH200, 8-305 (5.0L), Federal

1980 Buick Regal Transmission - AT, TH200, w/o 8-305; California

1980 Buick Regal Transmission - AT, TH200, w/o 8-305; Federal

1980 Buick Regal Transmission - AT, TH250, Chev built engine

1980 Buick Regal Transmission - AT, TH250, w/o Chev built engine

1980 Buick Regal Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

1980 Buick Regal Transmission - AT, TH350, lock-up converter, early, multi-fit cas...

Shop other brands