$750 to $1,000

Wehrli Custom Fabrication

2001-2004 LB7 Duramax 4" Intake Kit w/ Airbox (WCF100190)

Wehrli Custom Fabrication

2001-2004 LB7 Duramax Stage 2 4" Intake Kit w/ Airbox (WCF100300)

Mel's Manufacturing

2001-2004.5 Duramax 5" Downpipe Back Exhaust - No Muffler (531111 / 532111)

Industrial Injection

2001-2004.5 Duramax Injector Screw In Cups (PDM-07020)

Valair

2001-2005 Cummins HD Ceramic Clutch Kit - 600HP/1100ft-lb (NMU70279-04)

South Bend Clutch

2001-2005 Duramax 6.6L Flywheel (10701066-1)

Randy's Transmissions

2001-2005 Duramax Billet Flex Plate (A1000-G102)

Fluidampr

2001-2005 Duramax Performance Damper (890101)

PPE

2001-2005 Duramax Xtreme Damper (118010000)

USA Standard Gear

2001-2006 Duramax ZF Manual Transmission Input Shaft (ZMZF1319-202-017)

PACBRAKE

2001-2006 GM 1500 Alpha HD Pro S Air Suspension Kit (HP10072-J-S)

PACBRAKE

2001-2006 Toyota Alpha HD Pro S Air Suspension Kit (HP10158-J-S)

PACBRAKE

2001-2006 Tundra Alpha HD Pro S Air Suspension Kit (HP10126-J-S)

Banks Power

2001-2007 & 2011-2019 Duramax Oil Cooler Upgrade Kit (13252)

Mel's Manufacturing

2001-2007 Duramax 4" Cat Back Exhaust System w / Muffler (431108 / 432119)

Mel's Manufacturing

2001-2007 Duramax 4" Downpipe Back Exhaust System w / Muffler (431107 / 432107)

MBRP

2001-2007 Duramax 4" Downpipe Back Exhaust System w/ Muffler (S6004P)

MBRP

2001-2007 Duramax 5" Down Pipe Back Exhaust - No Muffler (S60200PLM)

MBRP

2001-2007 Duramax 5" Single Side Exit Exhaust - No Muffler (S60200SLM)

USA Standard Gear

2001-2007 Duramax Transfer Case NP263XHD Front Half Case (ZTNP45545)

Merchant Auto

2001-2007 Duramax Transfer Case Pump Upgrade & Repair Kit - Seal Driver & Pump 261XHD 263XHD (10775)

Merchant Auto

2001-2007 Duramax Transfer Case Pump Upgrade & Repair Kit - Seal Driver XHD (10773)

Merchant Auto

2001-2007 Duramax Transfer Case Pump Upgrade & Repair Kit-Pump XHD (10774)

Wehrli Custom Fabrication

2001-2007 Duramax Upper Coolant Tank Kit (WCF100645)

BDS

2001-2010 Duramax 0-8" Lift Fixed Traction Bar System (BDS121618)

PACBRAKE

2001-2010 Duramax Alpha HD Pro S Air Suspension (HP10005-J-S)

PACBRAKE

2001-2010 Duramax Alpha HD 7500 Air Spring Suspension Kit (HP10005-X)

PACBRAKE

2001-2010 Duramax Alpha XD Pro 7500LB Rear Air Suspension Kit (HP10005-X-J)

PPE

2001-2010 Duramax Billet Intermediate Shaft (128020500)

Ride-Rite

2001-2010 Duramax C&C Ride-Rite Airbag Helper Springs (2249)

Coopers Custom Solutions

2001-2010 Duramax CCS EFILive Tune Package

KRYPTONITE

2001-2010 Duramax Death Grip Idler Side Package (KRISP10)

Sinister

2001-2010 Duramax High Performance Motor Mounts (SD-MM-DMAX)

Air Lift

2001-2010 Duramax LoadLifter 5000 Ultimate Air Spring Kit (88275)

USA Standard Gear

2001-2010 Duramax Master Overhaul Kit For 9.25" IFS Front Differential (ZK GM9.25IFS-A)

USA Standard Gear

2001-2010 Duramax Master Overhaul Kit for GM & Chrysler 11.5" AAM Diff (ZK GM11.5)

Merchant Auto

2001-2010 Duramax MAX Flow Left Side Manifold Upgrade Kit (10018)

Merchant Auto

2001-2010 Duramax Rear Engine Cover (12622693)

Ride-Rite

2001-2010 Duramax Ride-Rite Airbag Helper Springs (2250)

Cognito Motorsports

2001-2010 Duramax SM Series Upper Control Arm Kit (110-90290)

KRYPTONITE

2001-2010 Duramax SS Center Link Upgrade (KR10SSU34/78)

Fass Fuel Systems

2001-2010 Duramax Titanium Signature Series 100GPH Lift Pump (TSC10100G)

PPE

2001-2010 Duramax Welded and Drilled Straight Center Link 7/8" Holes W/ Puller (158016000)

Air Lift

2001-2012 Duramax LoadLifter 5000 Ultimate Cab & Chassis Air Spring Kit (88286)

PPE

2001-2015 Duramax Pump Drive Kit for Dry Sump Pump (114051200)

Wagler Competition

2001-2016 6.6L Duramax Street Dual Valve Spring Kit (WCP-03-SK-S)

Wagler Competition

2001-2016 6.6L Duramax Twisted T4 Pedestal No Wastegate (C6681)

Wagler Competition

2001-2016 6.6L Duramax Twisted T4 Pedestal w/ Wastegate Flange (C6695)

Fass Fuel Systems

2001-2016 Duramax 165GPH Adjustable Lift Pump (FASC09165G)

Fass Fuel Systems

2001-2016 Duramax 250GPH Adjustable Lift Pump (FASC09250G)