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2003 5.3 Vortec For Sale

20 Best 2003 5.3 Vortec For Sale of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best 2003 5.3 Vortec For Sale of 2023. Check our ranking below.

2,024 Reviews Scanned

Rank No. #1
MOOSUN 4' inches Performance Cold Air Intake Kit with Filter & Powder Coated Intake Tube Pipe for 99-06 GMC Chevy 1999 2000 2001 2002 2003 2004 2005 2006 V8 4.8L/5.3L/6.0L (Black&Red)
MOOSUN 4" inches Performance Cold Air Intake Kit with Filter & Powder Coated Intake Tube Pipe for 99-06 GMC Chevy 1999 2000 2001 2002 2003 2004 2005 2006 V8 4.8L/5.3L/6.0L (Black&Red)
  • 【unique】The kit includes a intake tube and steel heat shield that features a durable carbon-black powder coating for long lasting good looks
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
  • UniqueThe kit includes a intake tube and steel heat shield that features a durable carbon-black powder coating for long lasting good looks
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Rank No. #2
JA&MIU Gen 3 Throttle Body Connector Pigtail DBW 8 Wire 6.5 Inch Wire Vortec 4.8 5.3 6.0 LQ4 LQ9 LM7 WPTHB30 Compatible with 1997 and Newer GM Series Engines
JA&MIU Gen 3 Throttle Body Connector Pigtail DBW 8 Wire 6.5 Inch Wire Vortec 4.8 5.3 6.0 LQ4 LQ9 LM7 WPTHB30 Compatible with 1997 and Newer GM Series Engines
  • PACKAGE INCLUDES: Throttle Body Connector Pigtail DBW x 1, 1 pack
  • INFORMATION: 6.5 inch Wire length, 8 wire
  • COMPATIBILITY: Compatible with 1997 and newer GM series engines with 8 terminal Throttle Body Connector Drive-by-Wire applications
  • REMINDERS: Due to the similarity of various connectors, please be sure to carefully read our description and pictures before purchasing, and compare the shape, terminals, contacts, and pin quantity to purchase the connector you need.If you are unsure, you can contact us for more information
  • SATISFACTION: JA&MIU always insists on making good products with heart. If there is any problem with this product, please feel free to contact us. Our efficient after-sales team will help you within 24 hours
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Rank No. #3
CHEDA Standalone Wiring Harness Drive by Wire 4L60E 4.8 5.3 6.0 DBW Compatible with 2003 2004 2005 2006 2007 Chevy, Gmc, Cadillac and Hummer Truck Engines LS Vortec
CHEDA Standalone Wiring Harness Drive by Wire 4L60E 4.8 5.3 6.0 DBW Compatible with 2003 2004 2005 2006 2007 Chevy, Gmc, Cadillac and Hummer Truck Engines LS Vortec
  • Fitment: Compatible with 2003-2007 Chevy, Gmc, Cadillac And Hummer Truck Engines (Drive By Wire Only) With 4l60e Transmissions.
  • Unique design: All Harnesses have a High Quality Grommet installed on the Harness (That Slides For Desired Mounting).
  • Durable Material: Made of high-quality material, using advanced production technology. Durable and not easily damaged.
  • Easy To Install: Made to factory specifications for a hassle-free installation.
  • After-sales service: If there is any problem with the product, please do not hesitate to let us know, we will help you solve the problem.
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SaleRank No. #4
T4 TURBO MANIFOLD CAST for VORTEC LS MOTORS 4.8 5.3 5.7 6.0 6.2 4x2 4x4
T4 TURBO MANIFOLD CAST for VORTEC LS MOTORS 4.8 5.3 5.7 6.0 6.2 4x2 4x4
  • STRONG CAST TURBO MANFOLD with T4 FLANGE
  • T4 CAST MANIFOLD FOR PASS. SIDE ON ALL LS/VORTEC MOTORS..
  • AMAZING STYLE with EXTRA THICK HEAD FLANGE
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SaleRank No. #5
10.2MM Spark Plug Wire Set Ignition Cable Silicone Jacket Silicone Boot Ends fits for GM Suburban Corvette Silverado 1500-2500 99-06 LS1 VORTEC 4.8L 5.3L 6L V8 48322R 48322 (Red)
10.2MM Spark Plug Wire Set Ignition Cable Silicone Jacket Silicone Boot Ends fits for GM Suburban Corvette Silverado 1500-2500 99-06 LS1 VORTEC 4.8L 5.3L 6L V8 48322R 48322 (Red)
  • Replace OE# 48322R 2000208 M8-48322 48322 7831
  • 100% New construction, high-tear strength double silicone jacket with a fiber glass wire layer and heat-resistant insulation ensure the safety of electric connection low resistance.
  • Fits Saab 9-7x 2006-2008 5.3L V; 9-7x 2005 5.3L V8. Isuzu Ascender 2006 5.3L V8; Ascender 2005 5.3L V8. Cadillac CTS 2006-2007 6.0L V8; Escalade 2007-2008 6.2L V8. GMC Envoy2005 5.3L V8; Envoy 2006-2008 5.3L V8. Pontiac GTO 2005-2006 6.0L V8; Grand Prix 2005-2008 5.3L V8. Hummer H2 2008 6.2L V8; H3 2008 5.3L V8.
  • Fits Chevrolet Avalanche 2007-2008 5.3L V8; Avalanche 2007 6.0L V8; Corvette 2006-2008 7.0L V8; Corvette2005-2007 6.0L V8; Corvette 2005 6.0L V8; Express 2500 2006-2008 6.0L V8; Express 2500 2006-2008 6.6L V8; Express 3500 2005-2009 4.8L V8; Express 3500 2008 5.3L V8; Express 3500 2006-2007 5.3L V8; Express 3500 2003 6.0L V8; Express 3500 2003-2005 5.3L V8; Express 3500 2003-2005 6.0L V8; Impala 2006 5.3L V8.
  • 1 year after sale support, pls check the following product description for more fitments and feel free to contact us to confirm for perfect fitment.
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Last update on 2025-07-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 2003 5.3 Vortec For Sale that you consider buying. Your questions might include the following:

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Romance University provides an 2003 5.3 Vortec For Sale buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 2003 5.3 Vortec For Sale currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 2003 5.3 Vortec For Sale has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 2003 5.3 Vortec For Sale?
  3. Specifications: How powerful they are can be measured.
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  5. Customer Ratings: Number ratings grade 2003 5.3 Vortec For Sale objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 2003 5.3 Vortec For Sale.
  7. Product Quality: You don’t always get what you pay for with an 2003 5.3 Vortec For Sale, sometimes less, and sometimes more.
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Romance University always remembers that maintaining 2003 5.3 Vortec For Sale information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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