Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Haul in the Savings - Shop the Truck Savings Event Today!

2015 GMC SIERRA-3500-HD Fleece Performance Parts and Accessories

Individual Parts

Results 1 - 25 of 40

Fuel Pump, LML CP3 Conversion Kit, Mechanical, Injection Diesel Fuel Pump Style, Stock Inlet Size, Chevrolet, GMC, 6.6L Diesel, Kit

Part Number: FLE-FPE-LMLCP3WP

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Turbocharger, GMC, 63mm, FWM, 6.6, Cheetah Turbo, Chevrolet, Each

Part Number: FLE-S0294

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Fuel Pump, PowerFlo In-Tank Lift Pump Assembly, Electric, 12 V, Designed for 6.5 ft. Short Bed Trucks Only, Chevy, GMC, 6.6L Diesel, Each

Part Number: FLE-FPE34563

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Fuel Pump, CP3K, Mechanical, Injection Style, Chevy, GMC, 6.6L Diesel, Kit

Part Number: FLE-FPEDMAXCP3K

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Cylinder Head, Freedom Remanufactured Duramax, Passenger side, 6.6L, LML, Chevy, GMC, Each

Part Number: FLE-FPE6110004P

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Water Neck Block-Off Plate, Aluminum, Black Anodized, Duramax, Diesel, Each

Part Number: FLE-S0312

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

SureFlo Performance Sending Unit For 2011-2016 GM Duramax, Short Bed

Part Number: FLE-S0384

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Duramax Fan Extension Harness (LML)

Part Number: FLE-S0475

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

PLUG, 2011-2015 DURAMAX LML REAR ENGINE COVER COOLANT RETURN PLUG

Part Number: FLE-FPE-LML-CP

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Fuel Pump Components, Sealing Kit, Fuel Primer Bulb, Billet Aluminum Cap, Black, 1/8 in. NPT Port, Hardware, Chevy, GMC, 6.6L, Duramax, Each

Part Number: FLE-S0410

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Cylinder Head, Freedom Duramax, Driver side, 6.6L, LML, Chevy, GMC, Each

Part Number: FLE-FPE6110004D

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 23, 2025 if ordered today

Lighting Control Module, All Lights On, GM, 2007-19, Universal

Part Number: FLE-FPE-ALO

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Remote Turbo Oil Feed Line Kit for 6.6L Duramax Turbochargers

Part Number: FLE-FPE-DTFL0116

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Fuel Pump Component, HArdware Kit, for CP3 Conversion, Chevy, GMC, Kit

Part Number: FLE-FPE-LMLCP3NP

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

LML CP3 Conversion Kit with Heavy Duty CP3 for 2011-2016 Duramax

Part Number: FLE-FPE-LMLCP310

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 23, 2025 if ordered today

2015-2016 GM Duramax Heavy Duty Replacement Transmission Cooler lines

Part Number: FLE-S0408

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Wiring Pigtail, Transmission Speed, Coolant Temp, Brake Fluid Level, Washer Fluid Level, Chevy, GMC, Dodge, Ram, Each

Part Number: FLE-S0429

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Engine Coolant Level Modules and Sensors, Float-style, 1 in.-NPT, Chevy, GMC, Each

Part Number: FLE-S0435

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Fuel pressure regulator harness, Bosch CP3 regulator, Duramax, Each

Part Number: FLE-S0398

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Remote Turbo Oil Feed Line Kit for 2001-2016 Duramax with 1/4 NPT Turbo Oil Inlet (s300/s400)

Part Number: FLE-S0411

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

Fuel Pump Components, CP3 Adapter, Replacement, Billet Aluminum, Natural Finish, O-ring included, Chevy, GMC, 6.6L, Duramax, Each

Part Number: FLE-S0509

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

Wiring Wire Extension, 18 in., MAP Sensor, Fuel Pressure Sensor, Chevy, GMC, Dodge, Ram, Each

Part Number: FLE-FPE-HARRPEXT

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Lift Pump, 2011-2016 GM LML Duramax (Long Bed) PowerFlo Lift Pump Assembly

Part Number: FLE-FPE34564

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 23, 2025 if ordered today

Fuel Line, High Pressure, Steel, Replacement for Fleece Performance CP3 Conversion Kits, Chevy, GMC, Each

Part Number: FLE-S0426

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 23, 2025 if ordered today

Wire Connectors, Crankshaft Position Sensor Pigtail, 6 in., 3-pin, Female, with Heat Sealable Butt-style Connectors, Duramax, Chevy, GMC, Each

Part Number: FLE-S0482

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.