2003 GMC Sierra 1500 HD Oversized Main Bearings

Your 2003 GMC Sierra 1500 HD might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Oversized Main Bearings you desperately need.

We currently carry 7 Oversized Main Bearings to choose from for your 2003 GMC Sierra 1500 HD, and our inventory prices range from as little as $118.99 up to $145.99.

On top of low prices, Advance Auto Parts offers 1 different trusted brands of Oversized Main Bearings for the 2003 GMC Sierra 1500 HD. We only sell parts from trusted brands like Sealed Power so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Oversized Main Bearings stock in-person!

Oversized Main Bearings for Your 2003 GMC Sierra 1500 HD

Sealed Power – Main Bearing Set (Part No.152M)

Main Bearing Set

from

$145.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • H14 Super Duty alloy material
  • Best bronze alloy material
  • Does not have flash tin plating
  • Extreme fatigue resistance & strength
  • Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust
  • Silicon particles help polish crankshaft journal (reduces wear during operation)
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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7298MA)

Engine Crankshaft Main Bearing Set

from

$121.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7298MA 10)

Engine Crankshaft Main Bearing Set

from

$120.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

Sealed Power – Main Bearing Set (Part No.152M 10)

Main Bearing Set

from

$118.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • IROX coating
  • Polymer coating enhances bearing
  • Made with silicon for greater surface hardness
  • Silicon particles help polish crankshaft journal (reduces wear during operation)
See More

Sealed Power – Main Bearing Set (Part No.152M 1X)

Main Bearing Set

from

$118.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • IROX coating
  • Polymer coating enhances bearing
  • Made with silicon for greater surface hardness
  • Silicon particles help polish crankshaft journal (reduces wear during operation)
See More

Sealed Power – Main Bearing Set (Part No.152M 1)

Main Bearing Set

from

$118.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • IROX coating
  • Polymer coating enhances bearing
  • Made with silicon for greater surface hardness
  • Silicon particles help polish crankshaft journal (reduces wear during operation)
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7298MA 20)

Engine Crankshaft Main Bearing Set

from

$118.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

FAQs for 2003 GMC Sierra 1500 HD Oversized Main Bearings

What are the most popular Oversized Main Bearings for the 2003 GMC Sierra 1500 HD?

With 1 brands you can trust, our most popular Oversized Main Bearings for the 2003 GMC Sierra 1500 HD parts are:
Main Bearing Set
from $145.99
This product is not rated
Main Bearing Set
Oversized Main Bearings
Engine Crankshaft Main Bearing Set
from $121.99
This product is not rated
Engine Crankshaft Main Bearing Set
Oversized Main Bearings
Engine Crankshaft Main Bearing Set
from $120.99
This product is not rated
Engine Crankshaft Main Bearing Set
Oversized Main Bearings