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LML Duramax Fuel System

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    Exergy 11-16 Chevrolet Duramax 6.6L LML Improved Stock Inlet Metering Valve (FCA/MPROP)

    Exergy
    $275.00 - $275.00
    $275.00
    $275.00 - $275.00
    $275.00

    On an LML Duramax, debris from a failing CP4.2 pump can get past the factory inlet screen and wipe out the injectors. This is a new Bosch inlet met...

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    $275.00 - $275.00
    $275.00
    $275.00 - $275.00
    $275.00
  • S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd. S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd.

    S&S LML CP3 Conversion Kit with Pump, No Tuning Required | 2011 to 2016 Duramax

    S&S
    $2,175.00 - $2,175.00
    $2,175.00
    $2,175.00 - $2,175.00
    $2,175.00

    Swap the CP4.2 on your LML Duramax for a CP3, with no tuning required. This S&S Diesel Motorsport kit includes the CP3 pump. If you already pla...

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    $2,175.00 - $2,175.00
    $2,175.00
    $2,175.00 - $2,175.00
    $2,175.00
  • S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd. S&S Diesel Motorsport 50 State LML CP3 conversion kit w/pump - CARB exempt - No Tuning Req'd.

    S&S LML CP3 Conversion Kit with Pump, Tuning Required | 2011 to 2016 Duramax

    S&S
    $1,780.00 - $1,780.00
    $1,780.00
    $1,780.00 - $1,780.00
    $1,780.00

    Swap the CP4.2 on your LML Duramax for a CP3. This S&S Diesel Motorsport kit includes the CP3 pump and is the version for trucks that will be t...

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    $1,780.00 - $1,780.00
    $1,780.00
    $1,780.00 - $1,780.00
    $1,780.00
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    XDP OER Series Fuel Return Line Assembly 2011-2016 GM 6.6L Duramax LML/LGH

    XDP
    $87.95 - $87.95
    $87.95
    $87.95 - $87.95
    $87.95

    XDP Model XD607Restore the fuel system in your 2011-2016 GM 6.6L Duramax LML/LGH with the OER Series Fuel Return Line Assembly XD607. If you have d...

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    $87.95 - $87.95
    $87.95
    $87.95 - $87.95
    $87.95
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    Exergy 2011-2016 LML Chevy Duramax M16x1.5 Fuel Rail Plug Kit

    Exergy
    $45.00 - $45.00
    $45.00
    $45.00 - $45.00
    $45.00

    Exergy 2011 to 2016 LML Chevy Duramax M16x1.5 Fuel Rail Plug Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Kn...

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    $45.00 - $45.00
    $45.00
    $45.00 - $45.00
    $45.00
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    Fleece Performance Fuel Temperature Sensor Mounting Block For LML Duramax CP3 Conversions

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $25.99
    $25.99 - $25.99
    $25.99

    Fleece Performance Fuel Temperature Sensor Mounting Block For LML Duramax CP3 Conversions. Sold and shipped by Powerhouse Diesel, a diesel repair a...

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    $0.00 - $0.00
    $0.00
    $25.99
    $25.99 - $25.99
    $25.99
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    XDP Duramax Fuel Filter Delete 01-16 GM 6.6L Duramax XD163

    XDP
    $76.95 - $76.95
    $76.95
    $76.95 - $76.95
    $76.95

    XDP Model XD163The Duramax Fuel Filter Delete XD163 is a must have for any 2001-2016 GM 6.6L Duramax with a modified fuel system. Specially designe...

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    $76.95 - $76.95
    $76.95
    $76.95 - $76.95
    $76.95
  • FASS TSC12100G fuel system FASS TSC12100G fuel system Save 5% Save %

    FASS Titanium Signature Series Fuel System, 100 GPH | 2015 to 2016 Chevy and GMC Duramax LML | TSC12100G

    FASS Fuel Systems
    $762.11
    $762.11 - $762.11
    $762.11
    $724.00
    $724.00 - $724.00
    $724.00

    The FASS Titanium Signature Series TSC12100G is a 100 GPH fuel system with a water separator, 2 micron filter and air and vapor separation for the ...

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    $762.11
    $762.11 - $762.11
    $762.11
    $724.00
    $724.00 - $724.00
    $724.00
    Save 5% Save %
  • FASS TSC11100G fuel system FASS TSC11100G fuel system Save 5% Save %

    FASS Titanium Signature Series Fuel System, 100 GPH | 2011 to 2014 Chevy and GMC Duramax LML | TSC11100G

    FASS Fuel Systems
    $751.58
    $751.58 - $751.58
    $751.58
    $714.00
    $714.00 - $714.00
    $714.00

    The FASS Titanium Signature Series TSC11100G is a 100 GPH fuel system with a water separator, 2 micron filter and air and vapor separation for the ...

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    $751.58
    $751.58 - $751.58
    $751.58
    $714.00
    $714.00 - $714.00
    $714.00
    Save 5% Save %
  • S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475). S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475).

    S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475)

    S&S
    $111.00 - $111.00
    $111.00
    $111.00 - $111.00
    $111.00

    S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475). Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knox...

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    $111.00 - $111.00
    $111.00
    $111.00 - $111.00
    $111.00
  • FASS TSC12165G fuel system FASS TSC12165G fuel system Save 5% Save %

    FASS Titanium Signature Series Fuel System, 165 GPH | 2015 to 2016 Chevy and GMC Duramax LML | TSC12165G

    FASS Fuel Systems
    $793.68
    $793.68 - $793.68
    $793.68
    $754.00
    $754.00 - $754.00
    $754.00

    The FASS Titanium Signature Series TSC12165G is a 165 GPH fuel system with a water separator, 2 micron filter and air and vapor separation for the ...

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    $793.68
    $793.68 - $793.68
    $793.68
    $754.00
    $754.00 - $754.00
    $754.00
    Save 5% Save %
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    XDP Fuel Tank Sump, One Hole with Fuel Return XD243

    XDP
    $185.95 - $185.95
    $185.95
    $185.95 - $185.95
    $185.95

    XDP Fuel Tank Sump, One Hole with Fuel Return XD243. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. ...

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    $185.95 - $185.95
    $185.95
    $185.95 - $185.95
    $185.95
  • FASS NDTSC12165G fuel system FASS NDTSC12165G fuel system Save 5% Save %

    FASS No Drop Titanium Signature Series Fuel System with Sump, 165 GPH | 2015 to 2016 Chevy and GMC Duramax LML | NDTSC12165G

    FASS Fuel Systems
    $898.95
    $898.95 - $898.95
    $898.95
    $854.00
    $854.00 - $854.00
    $854.00

    The FASS No Drop Titanium Signature Series NDTSC12165G is a 165 GPH fuel system with a water separator, 2 micron filter and air and vapor separatio...

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    $898.95
    $898.95 - $898.95
    $898.95
    $854.00
    $854.00 - $854.00
    $854.00
    Save 5% Save %
  • S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074). S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074).

    S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074)

    S&S
    $78.00 - $78.00
    $78.00
    $78.00 - $78.00
    $78.00

    S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074). Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, T...

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    $78.00 - $78.00
    $78.00
    $78.00 - $78.00
    $78.00
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    S&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV)

    S&S
    $196.00 - $196.00
    $196.00
    $196.00 - $196.00
    $196.00

    S&S Model DRV-LMLS&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV) *Generic Image See our S&S Fuel System Planner guid...

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    $196.00 - $196.00
    $196.00
    $196.00 - $196.00
    $196.00
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    DDP Common Rail High Pressure Diesel Injection System Cleaner

    DDP
    $0.00 - $0.00
    $0.00
    $47.50
    $47.50 - $47.50
    $47.50

    A heavy duty, one time use cleaner for the whole common rail fuel system. It removes contamination and resin buildup. Part number: DDPCRCLEAN Ques...

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    $0.00 - $0.00
    $0.00
    $47.50
    $47.50 - $47.50
    $47.50
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    Fleece CP3 Adapter Kit with O Rings | 2001 to 2016 Duramax

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $66.49
    $66.49 - $66.49
    $66.49

    Fleece Performance Model FPE-DMAX-CP3-ADPTReplacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings ...

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    $0.00 - $0.00
    $0.00
    $66.49
    $66.49 - $66.49
    $66.49
  • AirDog II 5G Lift Pump, 165 GPH for 2015 to 2016 Chevy and GMC Duramax LML AirDog II 5G Lift Pump, 165 GPH for 2015 to 2016 Chevy and GMC Duramax LML Save 3% Save %

    AirDog II 5G Lift Pump, 165 GPH | 2015 to 2016 Chevy and GMC Duramax LML | DF-165-5G

    AirDog
    $874.00
    $874.00 - $874.00
    $874.00
    $849.00
    $849.00 - $849.00
    $849.00

    The AirDog II 5G DF-165-5G is a 165 GPH lift pump with a water separator, fuel filter and air separation in one unit for the 2015 to 2016 Chevy and...

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    $874.00
    $874.00 - $874.00
    $874.00
    $849.00
    $849.00 - $849.00
    $849.00
    Save 3% Save %
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Injector Leak Rail Assembly

    Exergy
    $260.00 - $260.00
    $260.00
    $260.00 - $260.00
    $260.00

    Exergy 2011 to 2016 Chevrolet Duramax 6.6L LML Injector Leak Rail Assembly. Sold and shipped by Powerhouse Diesel, a diesel repair and performance ...

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    $260.00 - $260.00
    $260.00
    $260.00 - $260.00
    $260.00
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    Industrial Injection 11-16 Duramax 6.6L LML Bosch Disaster Kit WITHOUT CP4

    Industrial Injection
    $4,887.95
    $4,887.95 - $4,887.95
    $4,887.95
    $4,741.31
    $4,741.31 - $4,741.31
    $4,741.31

    Industrial Injection Model: 4G6103 FEATURES: OEM Fuel line pump right side to rail OEM Fuel Line rail to rail OEM Fuel line pump left side to rail...

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    $4,887.95
    $4,887.95 - $4,887.95
    $4,887.95
    $4,741.31
    $4,741.31 - $4,741.31
    $4,741.31
    Save 3% Save %
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    GM CP4 to CP3 Conversion Kit For 11-16 LML 6.6L Duramax Includes Pump Industrial Injection

    Industrial Injection
    $2,299.95
    $2,299.95 - $2,299.95
    $2,299.95
    $2,230.95
    $2,230.95 - $2,230.95
    $2,230.95

    Industrial Injection Model: 436401This kit is designed to work with factory OE trucks without tuning and modifications. Factory emissions must be i...

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    $2,299.95
    $2,299.95 - $2,299.95
    $2,299.95
    $2,230.95
    $2,230.95 - $2,230.95
    $2,230.95
    Save 3% Save %
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  • AirDog II 5G Lift Pump, 100 GPH for 2015 to 2016 Chevy and GMC Duramax LML AirDog II 5G Lift Pump, 100 GPH for 2015 to 2016 Chevy and GMC Duramax LML Save 3% Save %

    AirDog II 5G Lift Pump, 100 GPH | 2015 to 2016 Chevy and GMC Duramax LML | DF-100-5G

    AirDog
    $842.00
    $842.00 - $842.00
    $842.00
    $818.00
    $818.00 - $818.00
    $818.00

    The AirDog II 5G DF-100-5G is a 100 GPH lift pump with a water separator, fuel filter and air separation in one unit for the 2015 to 2016 Chevy and...

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    $842.00
    $842.00 - $842.00
    $842.00
    $818.00
    $818.00 - $818.00
    $818.00
    Save 3% Save %
  • AirDog 4G Lift Pump, 100 GPH for 2011 to 2014 Chevy and GMC Duramax LML AirDog 4G Lift Pump, 100 GPH for 2011 to 2014 Chevy and GMC Duramax LML Save 3% Save %

    AirDog 4G Lift Pump, 100 GPH | 2011 to 2014 Chevy and GMC Duramax LML | FP-100-4G

    AirDog
    $735.00
    $735.00 - $735.00
    $735.00
    $714.00
    $714.00 - $714.00
    $714.00

    The AirDog 4G FP-100-4G is a 100 GPH lift pump with a water separator, fuel filter and air separation for the 2011 to 2014 Chevy and GMC Duramax LM...

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    $735.00
    $735.00 - $735.00
    $735.00
    $714.00
    $714.00 - $714.00
    $714.00
    Save 3% Save %
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    Exergy 11-16 Chevrolet Duramax 6.6L LML New 150% Over Injector - Set of 8

    Exergy
    $6,264.00 - $6,264.00
    $6,264.00
    $6,264.00 - $6,264.00
    $6,264.00

    Exergy 2011 to 2016 Chevrolet Duramax 6.6L LML New 150% Over Injector, Set of 8. Sold and shipped by Powerhouse Diesel, a diesel repair and perform...

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    $6,264.00 - $6,264.00
    $6,264.00
    $6,264.00 - $6,264.00
    $6,264.00
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LML Duramax fuel system for 2011 to 2016 Chevy Silverado HD and GMC Sierra HD trucks.

The LML Bosch CP4.2 pump is the known weak point. CP3 conversion kits, lift pumps and better filtration are the most popular LML fuel system upgrades.

Related: LML fuel injectors, LML tuning, LML engine parts. Browse all LML Duramax parts.

Not sure what fits? Send us your VIN and we will match the right part.