Looking for aftermarket parts to modify or upgrade your 2003 Buick Regal with bearings? At Tunersports.com we carry a huge selection of the top name brand performance bearing parts and accessories.

OUT OF STOCK 4M1822P-20ACL Buick V6 204-231 1990-93 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS $35.32 |
OUT OF STOCK 4M1822P-30ACL Buick V6 204-231 1990-93 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS $35.32 |
OUT OF STOCK 4M1822P-40ACL Buick V6 204-231 1990-93 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS $35.32 |
OUT OF STOCK 4M2022A-10ACL Buick V6 231 1995-04 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS / LS $48.38 |
OUT OF STOCK 4M2022A-20ACL Buick V6 231 1995-04 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS / LS $48.38 |
OUT OF STOCK 4M2022A-30ACL Buick V6 231 1995-04 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS / LS $48.38 |
OUT OF STOCK 4M2022A-40ACL Buick V6 231 1995-04 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS / LS $48.38 |
OUT OF STOCK 4M2022A-STDACL Buick V6 231 1995-04 Engine Crankshaft Main Bearing Set 1997-2004 Buick Regal GS / LS $48.38 |

OUT OF STOCK 6B2306H-001ACL Holden/Buick 231ci (3.8L V6) Engine Connecting Rod Bearing Set 1997-2004 Buick Regal GS / LS $100.41 |
OUT OF STOCK 6B2306H-010ACL Holden/Buick 231ci (3.8L V6) Engine Connecting Rod Bearing Set 1997-2004 Buick Regal GS / LS $100.41 |
OUT OF STOCK 6B2306H-STDACL Holden/Buick 231ci (3.8L V6) Engine Connecting Rod Bearing Set 1997-2004 Buick Regal GS / LS $100.41 |

IN STOCK - DROPSHIPS SH1812SClevite Buick V6 231 1995-09 Vin K 2 Rear Balance Shaft Bearing 1997-2004 Buick Regal GS / LS $54.12 |

IN STOCK - DROPSHIPS CB1443A(6)Clevite Buick V6 204-231-231 Supercharged 1990-04 Con Rod Bearing Set 1997-2004 Buick Regal GS / LS $60.58 |
SHIPS FROM MANUFACTURER CB1443A10(6)Clevite Buick V6 204-231-231 Supercharged 1990-04 Con Rod Bearing Set 1997-2004 Buick Regal GS / LS $59.06 |
SHIPS FROM MANUFACTURER CB1443A20(6)Clevite Buick V6 204-231-231 Supercharged 1990-04 Con Rod Bearing Set 1997-2004 Buick Regal GS / LS $57.74 |
SHIPS FROM MANUFACTURER CB1443A30(6)Carrying on a tradition of durability and dependability, Clevite Bi-Metal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater sei... Clevite Buick V6 204-231-231 Supercharged 1990-09 Con Rod Bearing Set 1997-2004 Buick Regal GS / LS $59.06 |
IN STOCK - DROPSHIPS CB1806A10(6)Clevite Buick V6 204-231-231 Supercharged 1990-04 Con Rod Bearing Set 1997-2004 Buick Regal GS / LS $64.28 |
SHIPS FROM MANUFACTURER CB1806A20(6)Clevite Buick V6 204-231-231 Supercharged 1990-04 Con Rod Bearing Set 1997-2004 Buick Regal GS / LS $60.23 |
SHIPS FROM MANUFACTURER CB1806A30(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chrysler V8 5.7L 6.1L 6.4L Hemi Con Rod Bearing Set 1997-2004 Buick Regal GS / LS $61.11 |

IN STOCK - DROPSHIPS MS2022A30Clevite Buick V6 231-231 Supercharged 1995-2004 Main Bearing Set 1997-2004 Buick Regal GS / LS $78.72 |
IN STOCK - DROPSHIPS MS2022PClevite Buick V6 231 1995-09 Main Bearing Set 1997-2004 Buick Regal GS / LS $131.21 |

IN STOCK - DROPSHIPS SH1798SClevite Chevrolet V6 262 1992-2000 Camshaft Bearing Set 1997-2004 Buick Regal LS $45.10 |

OUT OF STOCK MB4017SIKing Engine Bearings GM 231 (3800) V6 (Size STD) Main Bearing Set 1997-2004 Buick Regal GS / LS $74.78 |
SHIPS FROM MANUFACTURER MB480siKing Engine Bearings Buick 90-96 L27 V6 Main Bearing Set 1997-2004 Buick Regal GS / LS $70.46 |