Top Duramax Fuel Mileage Upgrades Reviews

Lang Tools TU-32-6 6.6 L GM Duramax Diesel Fuel System Test Kit

  • Diesel fuel pressure and vacuum testing on GM 6.6L Duramax engines.
  • Gauge assembly with 6-ft. hose and quick coupler.
Check Stock

Innovative Performance Chip/Power Programmer compatible with Chevrolet Silverado 2500 & 3500 6.6L Duramax Turbo Diesel - Improve Your Fuel Mileage, Save Gas & Gain MPG, Increase HP & TQ!

  • ...re to guide you and help with any questions that you may have..
  • Makes NO permanent changes to your vehicle's computer! It will not void your factory warranty, and does not modify any emissions systems. The performance chip is fully compatible with your Chevrolet Silverado 2500 & 3500 in all trims, including the 6.6L Duramax Turbo Diesel engines..
  • We strived to create the most high quality product in every aspect, delivering you the most affordable product without sacrificing quality. All performance chips feature a high-end aluminum enclosure with an extremely durable, high quality anodized finish. It's a thousand tiny details that add up to something big..
  • All performance chips are proudly backed by our unmatched 100% Money-Back Guarantee & Lifetime Warranty! A properly maintained vehicle is required for the performance chip to function as intended and advertised. Results may vary..
Check Stock

Innovative Performance Chip/Power Programmer compatible with GMC Sierra 2500 & 3500 6.6L Duramax Turbo Diesel - Improve Your Fuel Mileage, Save Gas & Gain More MPG, Increase Horsepower & Torque!

  • ...aff is here to guide you and help with any questions that you may have..
  • Makes NO permanent changes to your vehicle's computer! It will not void your factory warranty, and does not modify any emissions systems. The performance chip is fully compatible with your GMC Sierra 2500 & 3500 in all trims, including the 6.6L Duramax Turbo Diesel engines..
  • We strived to create the most high quality product in every aspect, delivering you the most affordable product without sacrificing quality. All performance chips feature a high-end aluminum enclosure with an extremely durable, high quality anodized finish. It's a thousand tiny details that add up to something big..
  • All performance chips are proudly backed by our unmatched 100% Money-Back Guarantee & Lifetime Warranty! A properly maintained vehicle is required for the performance chip to function as intended and advertised. Results may vary..
Check Stock

Fuel Filter Head 2001-2004 CHEVY Silverado GMC Sierra 6.6L LB7 Duramax Diesel pickup parallel pipeline 12639277

  • Before installation, apply grease to the O-ring of the filter2001- 2004 6.6L Duramax LB7 CHEVY GMC fuel filter Head parallel pipeline.
  • Brand new fuel filter head, facelift. The parallel installation pipeline is suitable for partially modified models..
  • Please carefully observe the installation direction of the pipeline and compare with the picture.
  • High-quality products, brand-new assembly process, leak tightness test qualified.
Check Stock

Fleece Performance Emissions Compliant CP3 Conversion Kit & Pump FPE-LML-CP3-FF-EO Compatible with 2011-2016 Chevy Silverado/GMC Sierra 2500HD 3500HD 6.6L LML Duramax Diesel

  • Convert your 2011-2016 Duramax feet s fuel system from a CP4 to a CP3 high pressure pump and get performance and peace-of-mind. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Our newest kit includes all of the hardware necessary to replace the troublesome CP4 with a CP3 and requires no tuning changes and maintains all factory emissions controls..
  • CP3 Pump Billet CP3 Engine Block Adaptor High Pressure Fuel Rail Line Low Pressure Fuel Feed Line Return Fuel Hose.
  • CP3 Feed Hose Fuel Rail Nut (3) CP3 Block Adapter Bolts (Flange Head, M8x1.25x35mm).
  • CP3 Pump Fittings 3/8 inch CP3 Pump Fittings 1/2 inch (2) 12mm Sealing Washers.
Check Stock

STP High Mileage Car Care Kit 4-Piece Car Care Products

  • One 4-Piece STP High Mileage Car Care Kit for Engine and Fuel Systems.
  • Car care products improve the fuel system and engine in high-mileage vehicles.
  • STP Super Concentrated High Mileage Engine Flush engine cleaner preps the engine for new oil by cleaning sludge and varnish.
  • STP High Mileage Engine Oil Treatment + Stop Leak reduces friction and rejuvenates seals and gaskets.
  • STP High Mileage Transmission Stop Slip + Leak Repair stabilizes transmission fluid and protects transmission seals.
Check Stock

Innovative Performance Chip/Power Programmer compatible with Chevrolet Express 1500 2500 3500 & 4500 2.8L Duramax Diesel, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 7.4L and 8.1L - Increase HP & Gain MPG!

  • ...e you and help with any questions that you may have..
  • Makes NO permanent changes to your vehicle's computer! It will not void your factory warranty, and does not modify any emissions systems. The performance chip is fully compatible with your Chevrolet Express 1500, 2500, 3500 & 4500 in all trims, including the 2.8L Duramax Diesel, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 7.4L and 8.1L engines..
  • We strived to create the most high quality product in every aspect, delivering you the most affordable product without sacrificing quality. All performance chips feature a high-end aluminum enclosure with an extremely durable, high quality anodized finish. It's a thousand tiny details that add up to something big..
  • All performance chips are proudly backed by our unmatched 100% Money-Back Guarantee & Lifetime Warranty! A properly maintained vehicle is required for the performance chip to function as intended and advertised. Results may vary..
Check Stock

Fuel Filter with Head Assembly and Sensor - Compatible with Chevy and GMC Trucks - 6.6L Silverado 2500 HD, Classic, Sierra, HD, 3500 Classic with Duramax - Replaces TP3018, 904-517, 12642623, 12639448

  • ...esired substances that are not filtered may cause rapid wear of the fuel pump, injectors and worse if contaminated with water will cause them to fail. These filters needs to be changed regularly to maintain desirable performance and efficient fuel economy..
  • Compatible Replacement for Chevrolet & GMC Trucks With 6.6L Duramax Engines - 2004 - 2012 Silverado 2500 HD | 2007 Silverado 2500 HD Classic | 2004 - 2006 Silverado 3500 | 2007 Silverado 3500 Classic | 2007 - 2012 Silverado 3500 HD | 2004 - 2012 Sierra 2500 HD | 2007 Sierra 2500 HD Classic | 2004 - 2006 Sierra 3500 | 2007 Sierra 3500 Classic | 2007 - 2012 Sierra 3500 HD |..
  • Replaces Part# 12642623, 12639448, TP3018, 904-517, 904517 commonly found on the popular 6.6L Duramax Silverado and Sierra trucks including year models 04, 05, 06, 07, 08, 09, 10, 11, 12. The fuel filter can easily be located on the passenger side of the truck beside the engine. It includes the head with primer pump and bleeder screw, a new fuel filter water separator and the water in fuel sensor..
  • OEM Fit, Quality, Finish - While this is NOT a genuine OEM part, it is a direct replacement manufactured by AA Ignition. If your vehicle is hard to start, losing power, has a Check Engine Light (CEL) or the factory fuel filter head is d....
Check Stock

Diesel Lift Pump Kit For 6.6L 12V Duramax Diesel 165GPH Lift Pump Filter Fit For Chevy GMC Duramax 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 - TSC10165G

  • ...rque Output. Either For Immediate Use Or As A Spare, Are A Better Replacement, Ready To Replace, Can Be Replaced With The Existing Hardware Integration Perfectly Matched To Give You Long-Term Stability And Good Performance.
  • ✔【Compatible With】: Fit For 2001-2010 Chevy Duramax 2001-20106.6L 12V | 2001-2010 GMC Duramax 6.6L 12V.
  • ✔【Replacement Part Number & Cost Effective】: TSC10165G.
  • ✔【Our Warranty】: Package Includes Diesel Fuel Electric Lift Pump Set ,Lifetime Warranty. If The Part Fails Or Breaks, Please Contact Us For Replacement. Save Hundreds Of Dollars Off Of Dealer Prices By Purchasing This Part And Taking Advantage Of Our Warranty.Price Concessions And Guaranteed, No Need To Worry About Quality Problems.
Check Stock

K&N Diesel Fuel Filter: Performance Fuel Filter, Premium Engine Protection, Compatible with 2001-2015 Chevrolet/GMC Truck 6.6L Duramax Diesel Engines, PF-3000

  • CONSISTENT FUEL DELIVERY: Diesel fuel filter kit helps ensure a clean & reliable flow of fuel to the engine.
  • HIGH-EFFICIENCY MEDIA: Premium pleated cellulose glass media provides excellent fuel system protection.
  • LONG LIFE: Quality filtration of the K&N fuel filter helps provide better protection and longer engine life.
  • DIRECT REPLACEMENT: Meets or exceeds OEM 6.6 Duramax fuel filter replacements.
  • HIGH-STRENGTH: Heavy duty steel canister construction.
Check Stock

OEM NEW 6.6L Duramax Diesel Fuel Filter Housing 05-12 Silverado Sierra 12642623

  • OEM NEW 6.6L Duramax Diesel Fuel Filter Housing 05-12 Silverado Sierra 12642623.
Check Stock

Donaldson P551313 Fuel Filter Replacement for CAT 1R-0750 (Pack of 3)

  • IGMFUFI 0750 Fuel filter Replaces for 1R0750 Filter.Fit for 269-8325, 7325,P550920, B7378..
  • For 1r0750 caterpillar fuel filter, 2001-2016 Chevy/GMC Duramax LB7/LLY/LBZ/LMM/LML.
  • Coss Reference:6016,BF7633,1R0750,P551313,P551740,FF5320,FFR85245,FFR85320,P8334,878S,35310549,LFF3347,33528,33528MP..
  • The filter has efficient filtration function,which can improve the fuel rate of the engine, protect your engine and prolong its service life..
Check Stock

kweiny Diesel Common Rail 18mm Fuel Injector Cap Block Off Tool

  • Main Usage: Identification of faulty diesel fuel injectors and diagnosis of engine cylinder knocking sounds.
  • Compatibility: Fit with 2006-2011 6.6L Chevy/GMC Duramax (LBZ & LMM) and for Dodge/Cummins 2007-2017 6.7L, Renault engine system, and other vehicles with a 18mm fuel line nut.
  • Working principle: Block the fuel supply to the detected cylinder, and sealed diesel common rail pipe. Make the detected cylinder temporarily stop working.
  • Specification: M18x1.5mm internal thread nut.
  • Material: Carbon tool steel, surface antirust..
Check Stock