Most Important LLY Duramax Mod!!!

Best Upgrades For Lly Duramax on March 2024 Shopping Deals at Bestonio.com

  • PPE Race Fuel Valve for 2004.5-2010 Duramax LLY/LBZ/LMM 113073000 with PPE Viton O-Ring Upgrade for PPE Race Fuel Valve

    • UPC: 711599377250
    • ASIN: B01H7OAW72
    • Brand: Pacific Performance Engineering
    • Manufacturer: Pacific Performance Engineering

    The PPE Race Fuel Valve (heat treated stainless steel construction) replaces stock or a shimmed pressure relief valve. This valve helps maintain fuel rail pressure during high engine load conditions by completely blocking the pressure relief port (effectively eliminating fuel return to the fuel tank). It eliminates potential low fuel rail pressure ... [Read More]

  • APDTY 015249 Fuel Injector #2 & #7 Wiring Harness 90 Degree Upgrade Kit Repairs 98017958 On Duramax 6.6L Diesel Trucks

    • UPC: 411000308681
    • ASIN: B01AILV3S8
    • Brand: APDTY
    • Manufacturer: APDTY

    Brand New Fuel Injector Wiring Harness Upgrade KitFits 2004-2005 Chevrolet C4500 C5500 Kodiak w/6.6L Duramax Diesel (Vin2 or RPO Code LLY)Fits 2004-2005 Chevrolet Silverado 2500 3500 w/6.6L Duramax Diesel (Vin2 or RPO Code LLY)Fits 2004-2005 GMC Sierra 2500 3500 w/6.6L Duramax Diesel (Vin2 or RPO Code LLY)Fits 2004-2005 GMC Topkick C4500 C5500 w/6.... [Read More]

  • PULSAR 04.5-05 6.6L Duramax LLY Turbo Rebuild Kit Upgrade Billet Compressor Wheel Unison Ring Vane GT3788VA

    • UPC: 763231338709
    • ASIN: B07RXWSJVK
    • Brand: Pulsar Turbo Systems
    • Manufacturer: Pulsar Turbo Systems

    -Application: Stock turbo parts Fitment - No modifications required. 2004.5-2005 GMC / Chevy Duramax LLY 6.6L Stock Size Garrett GT3788VA Turbo ONLY -Item Details: Billet compressor Wheel Inducer: 63.40mm Billet compressor Wheel Exducer/Tapered Tip Exducer: 88.1mm/91.8mm Billet compressor Wheel Blade Height: 31.31mm Billet compressor Wheel Bore: ... [Read More]

  • S&B Filters 76-1006B Turbo Inlet Manifold for Chevy/GMC Duramax LLY 6.6L

    • UPC: 841372034909
    • ASIN: B00BFJD4C6
    • Brand: S&B
    • Manufacturer: S&B Filters

    The S&B 76-1006B Turbo Inlet Manifold for your 2004.5-2005 GM 6.6L Duramax went through dramatic changes from the powder coated black body of the mouthpiece to the CNC machined edges giving your engine the look it deserves.

  • MagnaFlow Exhaust Products 15468 Turbo Outlet Down Pipe 3.15 in. Single Mandrel-Bend Turbo Outlet Down Pipe

    • UPC: 841380083708
    • ASIN: B008XHSMYS
    • Brand: MagnaFlow Exhaust Products
    • Size: 3 inch
    • Manufacturer: MagnaFlow Exhaust Products

    MagnaFlow Diesel Pipes are available for Cummins, Powerstroke and Duramax applications. Each downpipe, extension pipe, muffler delete and tailpipe is made of 100% stainless steel to ensure durability and mandrel-bent to ensure maximum performance gains. MagnaFlow Diesel pipes deliver reduced exhaust temperatures, a boost in horsepower, torque and t... [Read More]

  • Sinister Diesel Billet Valve Covers for 2004.5-2010 Duramax LLY, LBZ, LMM

    • UPC: 841788103503
    • ASIN: B07HM9J2GT
    • Brand: Sinister Diesel
    • Manufacturer: Sinister Diesel

    Sinister Diesel's Billet Valve covers for the 2004.5-2010 Duramax will help clean up the engine bay, and add a little more clearance for custom turbo or fuel upgrades. These are fully CNC machined, then they are anodized in the Sinister Blue color for good looks and a long life. These retain the factory Fuel Filter housing as well as the Radiator ... [Read More]

  • Stigan Upgrade Turbo Turbocharger For Chevy Silverado Express Kodiak GMC Sierra Savana TopKick 6.6L Duramax Diesel LLY - Stigan 847-1490 Remanufactured

    • UPC: 704438889199
    • ASIN: B07CT4QJ87
    • Brand: Stigan
    • Manufacturer: Stigan

    As one of the world's largest automotive parts suppliers, our parts are trusted every day by mechanics and vehicle owners worldwide. This Turbocharger is manufactured and tested to the strictest OE standards for unparalleled performance. Built for trouble-free ownership and 100% visually inspected and quality tested, this Turbocharger is backed by ... [Read More]

  • CAT Fuel Filter Upgrade Adaptor for GM Duramax - Designed and Manufactured in the USA

    • ASIN: B07DY8GLMT
    • Brand: InjectorsDirect.com
    • Manufacturer: InjectorsDirect.com

    The ultimate solution for upgrading your Duramax fuel filtration and protecting your injectors. Our adaptor is a work of art- designed, engineered, and crafted right here in the USA. Easy installation on any 2001-2016 Duramax engine. Designed to be used with the CAT 1R-0750 2 micron high efficiency replacement filter.

  • Fleece Performance Engineering FPE-TAPSHIFTER35 Tap Shifter (03-05 GM Duramax 6.6L LB7 / LLY GM/Allison)

    • UPC: 635909310341
    • ASIN: B01FN35J0Y
    • Brand: Fleece Performance Engineering
    • Manufacturer: Fleece Performance Engineering

    The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily driving and everything in-between, the TapShifter installs in no time and provides factory-like operation, functionality and styling. The TapShifter can b... [Read More]

  • aFe Filters 46-60029 Blade Runner Intercooler Tube Upgrade

    • UPC: 802959460474
    • ASIN: B003CSN2HA
    • Brand: aFe Power
    • Manufacturer: AFE Filters

    The aFe Bladerunner Turbo Inlet Manifold increases performance to your Duramax by 23hp and 57lbs x ft. torque while increasing air flow 73-percent over the factory turbo inlet. The Bladerunner turbo inlet manifold also improves turbo spool up times and lowers exhaust gas temperature (EGTs). This unit is constructed out of durable A356-T6 aluminum a... [Read More]

  • Throttle Pedal Spring Upgrade 2001-2005 LB7-LLY 6.6l Duramax

    • ASIN: B07T8BWHK9
    • Brand: KB Diesel Performance LLC
    • Manufacturer: KB Diesel Performance LLC

    Is your throttle pedal sensitive on your LB7-LLY truck? This is a common complaint especially on trucks equipped with a manual ZF6 transmission. Features: Installed in place of factory spring Provides a less sensitive throttle Prevents lurching of the truck in low gears Fits: 2001-2005 6.6l LB7-LLY 6.6l Duramax 2500/3500 trucks.

  • Sinister Diesel Heads Up Kit w/ARP Heads for 2004.5-2005 Duramax LLY

    • UPC: 841788103817
    • ASIN: B07GNVG856
    • Brand: Sinister Diesel
    • Manufacturer: Sinister Diesel

    We've designed each Heads Up Kit from Sinister Diesel to add needed strength to your engine with a full set of head studs and solve one of the biggest problems encountered by owners of modified high performance diesel trucks. From the correct fasteners to the right size gaskets for your engine, Sinister Diesel helps you take all the guesswork out o... [Read More]

  • Fleece Performance Engineering -GM-ALO-37 Gm All Lights On (2003-2007 Classic)

    • UPC: 635909311539
    • ASIN: B019JDFGEI
    • Brand: Fleece Performance Engineering
    • Manufacturer: FPE

    Brighten up your driving experience with this simple upgrade inside your fuse box. Simply install the GM All Lights On Module to allow your high-beams, low-beams and fog lamps to simultaneously illuminate the road ahead. Once installed the GM All Lights On Module will turn on the high-beams, low beams and fog lamps when you turn on your high-beams.... [Read More]

  • XDP Duramax CAT Adapter with 1R-0750, Bleeder Screw & Spacer

    • UPC: 865978000045
    • ASIN: B01A65FQDY
    • Brand: XDP
    • Manufacturer: XDP

    The XDP Duramax CAT Adapter with 1R-0750 Filter, Bleeder Screw & Spacer is an easy way to upgrade the fuel filter on your 2001-2015 GM 6.6L Duramax. The durable anodized filter adapter simply threads on to the OEM Filter Head and allows you run the more efficient and less expensive CAT Filter on your truck. For an even easier filter change, we also... [Read More]

  • SINISTER MFG SINSDCATDMAX Watch, Winder, Blender, Lamp

    • UPC: 841788100786
    • ASIN: B01FN593PO
    • Brand: Sinister Mfg.
    • Manufacturer: SINISTER MFG

    Chevy/Gmc Duramax Cat Fuel Filter 2001-2014

  • Pulsar Turbo Upgrade Nitrided Unison Ring Nozzle Ring plus 13.2mm Vane Kit for 05-07 6.0L Powerstroke 6.6L DURAMAX LLY LBZ VNT VGT GT3782VA GT3788VA Turbo

    • UPC: 767912630823
    • ASIN: B07SFK338P
    • Brand: Pulsar Turbo Systems
    • Manufacturer: Pulsar Turbo Systems

    -Application: Stock turbo parts Fitment - No modifications required. 04-07 Powerstroke 6.0 with Garrett GT3782VA Turbo. 04.5-07 Duramax 6.6 LLY LBZ with Garrett GT3788VA Turbo. -Item Details: High-Quality Stainless Steel unison/nozzle ring, special Heat Treatment - Nitriding Treatment, Stronger & More Wear Resistant & More Durable High Nickle co... [Read More]

  • ARP Stud Kit w/Mahle Head Gasket Set & Grade 'C' Head Gaskets - Duramax LLY LBZ 6.6

    • UPC: 088234773037
    • ASIN: B07BDM948J
    • Brand: Mahle
    • Manufacturer: MAHLE ARP

    ARP Stud Kit with Mahle Head Gasket Set & Grade 'C' Head Gaskets Contains: ARP Head Stud Kit - 230-4201 Mahle Head Gasket Set w/ Seals - HS54580A Mahle Head Gaskets - Grade 'C' 1.05mm Thickness - 54582 and 54585 Please call for different head gasket options. We also offer Grades 'A' and 'B'. Applications: 2004.5-2005 GM 6.6L LLY Duramax Diesel 200... [Read More]

  • Aluminum Air Bleeder Screw Fuel Filter Housing Compatible Replacement for GM Buick Cadillac GMC Pontiac Saturn Hummer Chevrolet 2001-2016 Duramax Diesel

    • UPC: 633252267916
    • ASIN: B01NAQETIK
    • Brand: Tulga Fifth Wheel
    • Manufacturer: Tulga Fifth Wheel Co

    Aluminum Air Bleeder Screw for GM Buick Cadillac GMC Pontiac Saturn Hummer Chevrolet 2001-2016 Duramax Diesel CNC machined from solid billet aluminum is great to replace damaged and stripped plastic stock screw. Bleeder screw can be adjusted with a socket or a flat head screwdriver. Compatible with the brands below; Buick 2001-2016 Cadillac 2001-... [Read More]

  • aFe Hot Side Intercooler Tube Upgrade Chevrolet 6.6L Duramax 04.5-10

    • UPC: 307270982822
    • ASIN: B00LZDYLEM
    • Brand: aFe
    • Manufacturer: AFE

    Advanced Flow Engineering, Inc. (AFE) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter. aFe is a team of engineers, machinists, produc... [Read More]

  • PPE Xcelerator GM 2001-2010 Standard Up to 225HP - 111020000

    • ASIN: B00769RX4Y
    • Brand: PPE
    • Manufacturer: PPE

    The Standard Xcelerator series tuner was specifically designed to provide better throttle response, shifting characteristics, and add big power without the need for expensive fueling and air upgrades. It provides up to five power tuning levels of additional horsepower and torque (40 to 225 hp). The best part about the PPE Standard Xcelerator is th... [Read More]

  • Most Important LLY Duramax Mod!!!

    TOP 5 MUST DO MODS FOR RELIABILITY AND PERFORMANCE FOR YOUR DURAMAX!!

    BOLT ON TURBO UPGRADES FOR LLY - DT Q & A EP 2