04.5-05 GM 6.6L LLY DURAMAX

Optimize airflow and fuel delivery for your 2004.5–2005 LLY Duramax with upgraded intercooler piping, turbo kits, and performance injectors. This section focuses on improving turbo spool and reducing EGTs while maintaining compatibility with stock turbochargers and factory engine management. Includes LLY-specific head studs and fuel system parts for daily driving or towing builds.

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  2001-2015 GM 6.6L DURAMAX -GM 97188685 EXHAUST MANIFOLD TO UP-PIPE GASKET

  2001-2015 GM 6.6L DURAMAX The GM 97188685 Exhaust Manifold To Up-Pipe Gasket is a direct replacement for your 2001-2015 GM 6.6L Duramax. This gasket is commonly replaced when upgrading exhaust manifolds or up-pipes. Sold individually...

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  Now: $11.35

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  2001-2007 GM 6.6L DURAMAX (ALSO 2007.5-2010 WITH LEFT HAND DIPSTICK TUBE) -GM 15794381 TRANSMISSION DIPSTICK

  2001-2007 GM 6.6L DURAMAX (ALSO 2007.5-2010 WITH LEFT HAND DIPSTICK TUBE) The GM 15794381 Transmission Dipstick is a direct replacement for the 2001-2007 GM 6.6L Duramax. This part is also commonly used on the 2007.5-2010 LMM models when a left...

  MSRP: $72.09

  Was: $72.09

  Now: $59.99

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  2001-2010 GM 6.6L DURAMAX -GM 11561233 TORSION BAR NUT

  2001-2010 GM 6.6L DURAMAX The GM 11561233 Torsion Bar Nut is a direct replacement for the factory hardware in your 2001-2010 GM 6.6L Duramax. From being adjusted over time, the factory Torsion Bar Nut is known to strip or wear out...

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  Now: $22.87

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  2001-2016 GM 6.6L DURAMAX (FRONT) -GM 97241129 FRONT THERMOSTAT

  2001-2016 GM 6.6L DURAMAX (FRONT) The GM 97241129 Front Thermostat is a factory replacement for your 2001-2016 GM 6.6L Duramax. This Thermostat features the same OE activation temp and is a drop-in replacement for the Front Thermostat equipped from...

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  Now: $79.99

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  2001-2016 GM 6.6L DURAMAX (REAR) -GM 97241130 REAR THERMOSTAT

  2001-2016 GM 6.6L DURAMAX (REAR) The GM 97241130 Rear Thermostat is a factory replacement for your 2001-2016 GM 6.6L Duramax. This Thermostat features the same OE activation temp and is a drop-in replacement for the Rear Thermostat equipped from the...

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  Now: $74.99

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  2001-2015 GM 6.6L DURAMAX -GM 11610681 CYLINDER HEAD BOLT

  2001-2015 GM 6.6L DURAMAX The GM 11610681 Cylinder Head Bolt is an OE replacement for the factory installed head bolts in your 2001-2015 GM 6.6L Duramax.  The factory bolts are torque-to-yield and are not intended to be re-used. Bolts are...

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  Now: $10.74

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  2001-2010 GM 6.6L DURAMAX -GM 10371405 FUEL COOLER

  2001-2010 GM 6.6L DURAMAX The GM 10371405 Fuel Cooler for your 2001-2010 GM 6.6L Duramax is a direct replacement for your factory Fuel Cooler. Over time, Fuel Coolers may begin to leak, as well as rust which can contaminate your fuel system...

  MSRP:

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  Now: $257.18

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  2001-2015 GM 6.6L DURAMAX -GM 12624683 PASSENGER SIDE EXHAUST MANIFOLD

  2001-2015 GM 6.6L DURAMAX The GM 12624683 Replacement Passenger Side Exhaust Manifold is a direct replacement for your 2001-2015 GM 6.6L Duramax. Over time, due to heat cycles and corrosion, the factory exhaust manifolds can crack or become damaged...

  MSRP: $480.00

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  Now: $399.95

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  2003-2010 GM 6.6L DURAMAX -GM 98027456 OIL PRESSURE SENSOR

  2003-2010 GM 6.6L DURAMAX The GM 98027456 Oil Pressure Sensor is a direct replacement for your 2003-2010 GM 6.6L Duramax.    FEATURES:  OE Replacement  Oil Pressure Sensor

  MSRP: $112.79

  Was: $112.79

  Now: $95.88

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  2004.5-2015 GM 6.6L DURAMAX -GM 97321295 LOWER VALVE COVER GASKET

  2004.5-2015 GM 6.6L DURAMAX The GM 97321295 Lower Valve Cover Gasket is a direct replacement for the OE gasket on your 2004.5-2015 GM 6.6L Duramax. FEATURES:  OE Replacement  Genuine GM Component

  MSRP: $118.09

  Was: $118.09

  Now: $94.75

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  2001-2015 GM 6.6L DURAMAX (1.05MM) -GM 12637788 HEAD GASKET (GRADE C, RIGHT)

  2001-2015 GM 6.6L DURAMAX (1.05MM) The GM 12637788 Head Gasket is a direct replacement for your 2001-2015 GM 6.6L Duramax. This gasket features the same high quality construction as the original gasket on your engine. Grade C 1.05mm Right...

  MSRP: $112.69

  Was: $112.69

  Now: $94.33

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  2001-2015 GM 6.6L DURAMAX (1.05MM) -GM 12637785 HEAD GASKET (GRADE C, LEFT

  2001-2015 GM 6.6L DURAMAX (1.05MM) The GM 12637785 Head Gasket is a direct replacement for your 2001-2015 GM 6.6L Duramax. This gasket features the same high quality construction as the original gasket on your engine. Grade C 1.05mm Left...

  MSRP: $112.69

  Was: $112.69

  Now: $94.33

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