Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 3500 with bearings? At Tunersports.com we carry a huge selection of the top name brand performance bearing parts and accessories.

OUT OF STOCK MS2382PIdeal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it ... Clevite 07-16 Silverado 3500 HD Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $135.99 |

IN STOCK TW610SClevite Chevrolet V8 6.6L Turbo Diesel 2001-09 Thrust Washer Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $41.40 |

SHIPS FROM MANUFACTURER PDM-MS-2218HCIndustrial Injection 01-16 Chevrolet Duramax H Series Main Bearing (Std .025) Coated Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $417.59 |
SHIPS FROM MANUFACTURER PDM-MS-2218HXCIndustrial Injection 01-16 Chevrolet Duramax HX Series Main Bearing (Std +.001) Coated Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $418.61 |

SHIPS FROM MANUFACTURER PDM-CB-1805HCIndustrial Injection 01-16 Chevrolet Duramax H Series Rod Bearing (Std .025) Coated Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $583.86 |
SHIPS FROM MANUFACTURER PDM-CB-1805HXCIndustrial Injection HX Series Rod Bearings (Std +.001) Coated Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $606.24 |

IN STOCK - DROPSHIPS CS5171BBKing Engine Bearings 06-13 GM LS .775in Wide Cam Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $69.85 |
OUT OF STOCK CS5171HPKing Engine Bearings 06-13 GM LS .775in Wide Performance Cam Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $105.14 |
IN STOCK CS5171HPTKing Engine Bearings 06-13 GM LS .775in Wide Performance Coated Cam Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $198.61 |
OUT OF STOCK CS5172HPKing Engine Bearings Dart LS Next Block Performance Cam Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $138.58 |
IN STOCK - DROPSHIPS CS5172HPTKing Engine Bearings Dart LS Next Block Performance Coated Cam Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $300.50 |
OUT OF STOCK CS5503BBKing Engine Bearings High Performance Cam Bearing Set - Coated 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $63.36 |
IN STOCK CS5503HPTKing Engine Bearings High Performance Cam Bearing Set - Coated 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $167.59 |

SHIPS FROM MANUFACTURER MB5013XPC001King Engine Bearings GM Vortec/LS-Series Gen III/IV Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $233.97 |
IN STOCK - LOW MB5013XPC020King GM Vortec/LS-Series Gen III/IV Crankshaft Main Bearing Set (Set of 10) - Size +.020mm 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $232.79 CLEARANCE VIEW PRICE IN CART |
IN STOCK MB5293SIKing GM 294/325/345/364CI 4.8/5.3/5.7/6.0L L20/LS1/LS2/LS4/LS6 Main Bearing Set - Size STD 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $74.03 |
IN STOCK - DROPSHIPS MB5293SI 040King GM 294/325/345/364CI 4.8/5.3/5.7/6.0L L20/LS1/LS2/LS4/LS6 (Size 040) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $83.71 |
SHIPS FROM MANUFACTURER MB5293SI001King GM 294/325/345/364CI 4.8/5.3/5.7/6.0L L20/LS1/LS2/LS4/LS6 (Size 001) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $83.71 |
SHIPS FROM MANUFACTURER MB5293SI010King GM 294/325/345/364CI 4.8/5.3/5.7/6.0L L20/LS1/LS2/LS4/LS6 (Size 010) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $80.63 |
SHIPS FROM MANUFACTURER MB5293SI020King GM 294/325/345/364CI 4.8/5.3/5.7/6.0L L20/LS1/LS2/LS4/LS6 (Size 020) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $80.63 |
SHIPS FROM MANUFACTURER MB5293SI030King GM 294/325/345/364CI 4.8/5.3/5.7/6.0L L20/LS1/LS2/LS4/LS6 (Size 030) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $83.71 |
IN STOCK - LOW MB5724CPKing Engine Bearings General Motors Duramax Diesel Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $116.85 CLEARANCE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS MB5724CP0.25King Engine Bearings General Motors Duramax Diesel (Size +0.25mm) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $123.45 |
IN STOCK - DROPSHIPS MB5724CP0.5King Engine Bearings General Motors Duramax Diesel (Size +0.50mm) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $123.45 |
IN STOCK - DROPSHIPS MB5766SIKing Engine Bearings GM LS1/2/4/6 (Housing Bore +.010) (Size STD) Main Bearing Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $156.09 |