20-24 GM 6.6L L5P DURAMAX

Unlock more power from your 2020–2021 L5P Duramax with emissions-safe tuners, high-flow cold air intakes, and turbo-back exhaust kits. This category features L5P performance upgrades designed for newer GM HD trucks, including DPF-friendly exhaust systems, throttle sensitivity boosters, and SOTF-compatible tuning modules. Ideal for Silverado and Sierra 2500/3500 models equipped with the 10-speed Allison transmission.

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  GM 12742345 Duramax L5P Block Heater | OEM Replacement 2020-2025

  Ensure dependable cold-weather starting power for your Duramax diesel with the GM 12742345 Block Heater, the updated OEM replacement part that supersedes GM Part 12705875 for 6.6L L5P engines. Built to GM’s original specifications, this block...

  MSRP: $134.35

  Was: $134.35

  Now: $109.99

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  New Fuel Injector OEM - 20-24 GM 3.0L LM2 Duramax Diesel

  OEM New Fuel Injector fits 20-24 GM 3.0L LM2 Duramax Diesel Pick-ups GM Genuine Parts Fuel Injectors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These fuel injectors are electro-magnetic valves that...

  MSRP: $296.24

  Was: $296.24

  Now: $184.99

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  New Fuel Injector OEM - 24-25 GM 6.6L L5P Duramax Diesel

  OEM New Fuel Injector fits 24-25 GM 6.6L L5P Duramax Diesel Pick-ups GM Genuine Parts Fuel Injectors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These fuel injectors are electro-magnetic valves that...

  MSRP: $300.54

  Was: $300.54

  Now: $175.00

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  20-24 GM 6.6 6.6L L5P Duramax Diesel Performance Intercooler Pipe Kit

  INTERCOOLER PIPE KIT W/ HD 5-PLY SILICONE BOOTS FITS 20-24 GM 6.6L DURAMAX PICK-UP TRUCKS Benefits - Stock Pipes 2.5" Vs Our Kit 3.5":Better Throttle ResponseHD 5-Ply Boots & Constant Tension ClampsFaster Turbocharger Spool Up w/ Improved Air Flow

  MSRP: $399.95

  Was: $399.95

  Now: $325.00

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  SWAG Performance Uppipe Installation Kit - 01-16 GM 6.6L Duramax Diesel

  Up Pipe Installation KitFor 01-16 GM 6.6L Duramax Diesel Engines BenefitsReplaces Rusty OEM BoltsDirect ReplacementStronger Than OEM BoltsFeaturesBlack Oxide FinishBig Name Quality for much lessHex Head For Durability & Easy Installation

  MSRP: $49.95

  Was: $49.95

  Now: $40.00

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  GLOW PLUG NUT SET - 01-23 GM 6.6L DURAMAX DIESEL - LB7 LLY LBZ LMM LML L5P

  GLOW PLUG NUT SET (8)  FITS 01-23 GM 6.6L DURAMAX DIESEL ENGINES

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  OEM Engine Coolant Flow Control Valve - 20-23 GM 3.0L LM2 Duramax Diesel - 24001355

  OEM Engine Coolant Flow Control Valve - 24001355 The LM2 Duramax diesel engines feature an advanced Active Thermal Management (ATM) cooling system designed to optimize fuel economy, performance, and emissions. This Engine Coolant Flow Control Valve...

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  Now: $375.00

  Out of stock. Please Call For Availability
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  Exhaust Manfold & Uppipe HD Bolts / Gaskets Kit - 11-16 GM 6.6L Duramax Diesel

  Exhaust Manifold / Up Pipe Bolt Hardware & Gasket KitFor 01-16 GM 6.6L Duramax Diesel Engines BenefitsReplaces Rusty OEM BoltsDirect ReplacementStronger Than OEM Bolts FeaturesBlack Oxide FinishBig Name Quality for much lessHex Head For Durability...

  MSRP: $139.99

  Was: $139.99

  Now: $100.00

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  SWAG Performance Uppipe HD Bolt Kit - 11-16 GM 6.6L Duramax Diesel

  Up Pipe Bolt Hardware KitFor 01-16 GM 6.6L Duramax Diesel Engines BenefitsReplaces Rusty OEM BoltsDirect ReplacementStronger Than OEM BoltsFeaturesBlack Oxide FinishBig Name Quality for much lessHex Head For Durability & Easy Installation

  MSRP: $39.95

  Was: $39.95

  Now: $30.00

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  SWAG Performance Exhaust Manifold Bolt Kit - 11-16 GM 6.6L Duramax Diesel

  HD Exhaust Manifold Bolt Hardware KitFor 01-16 GM 6.6L Duramax Diesel Engines BenefitsReplaces Rusty OEM BoltsDirect ReplacementStronger Than OEM BoltsFeaturesBlack Oxide FinishBig Name Quality for much lessHex Head For Durability & Easy Installation

  MSRP: $49.95

  Was: $49.95

  Now: $35.00

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  Bostech GM 6.6L Duramax L5D Fuel Contamination Kit 2017-2020 - DEK016619

  Bostech GM 6.6L Duramax L5D Fuel Contamination Kit 2017-2020 - DEK016619 Bostech's fuel system contamination kits has all the components necessary to replace your fuel system due to injection pump failure. Injection pump failures can be caused by Diesel...

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  Now: $5,192.95

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  ARP Head Stud Kit 230-4302 17-21 6.6L ( L5P) GM Duramax Diesel

  ARP Head Stud Kit 230-4302 17-21 6.6L ( L5P) GM Duramax Diesel  

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  Now: $2,247.78

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