GMC SIERRA 2500 HD Fleece Performance Parts and Accessories

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

Part Number: FLE-S0398

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Cylinder Head, Freedom Series Duramax, Driver side , 6.6L, L5P, Chevy, GMC, Each

Part Number: FLE-S0555

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Cylinder Head, 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Passenger Side)

Part Number: FLE-FPE6110003P

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Axle Shafts, Direct Fit, Fleece Performance, TufShafts, GM Front, Direct Fit Replacement, AAM 9.25 in. Front Axle, Chevy, GMC 2500, 3500, HD, Pair

Part Number: FLE-FPETUFSHAFTS

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Estimated Ship Date: Today

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

Part Number: FLE-FPE-HARRPEXT

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Estimated Ship Date: Today

Wiring Pigtail, Airbox Solenoid Connector, MAP Sensor Connector, Chevy, GMC, Ram, Each

Part Number: FLE-S0457

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Estimated Ship Date: Today

Fuel Filter, Fuel Filter Upgrade Kit, Canister, 4 Microns, Chevy, GMC, Duramax, 3.0L, 6.6L, Kit

Part Number: FLE-FPEL5PFFBA20

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fluid Cooler Lines, Transmission Cooler Line, Replacement, Medium Line, Rubber, Black, Transmission to Radiator, Chevy, GMC, 6.6L, LB7, LMM, Each

Part Number: FLE-S0513

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Estimated Ship Date: Mar 9, 2026 if ordered today

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INTAKE, HIGH FLOW LB7 INTAKE HORN

Part Number: FLE-S0001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

• Core Charge $50.00
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Replacement Sensor Connector With Pigtail for L5P Duramax and GM Vehicles (L5P Duramax Sensor Pigtail 1)

Part Number: FLE-S0404

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Estimated Ship Date: Today

Rocker Arm Bridge, Billet Steel, 6.6L, Duramax, Chevy, GMC, Each

Part Number: FLE-FPE-BRAB-D1

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Estimated Ship Date: Mar 9, 2026 if ordered today

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LLY Duramax High Pressure Injection Line (#2 and #7)

Part Number: FLE-FPE-FL-LLY27

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Estimated Ship Date: Mar 9, 2026 if ordered today

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LLY Duramax High Pressure Injection Line Kit

Part Number: FLE-S0464

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Estimated Ship Date: Today

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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

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Estimated Ship Date: Today

Automatic Transmission Controller, TapShifter, Chevy, GMC, Allison 1000, Kit

Part Number: FLE-S0054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Wiring Pigtail, MAF Sensor, 5-pin, Female, Chevy, GMC, Each

Part Number: FLE-S0581

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Wiring Pigtail, NSBU, 6 in Pigtail, 11 Pins, Allison 1000/2000 SeriesTransmission, Chevy, GMC, Pair

Part Number: FLE-S0582

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Wiring Pigtail, Transmission Input Speed Connector, Allison Transmission, Chevy, GMC, Each

Part Number: FLE-S0540

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel Filter, Replacement, Canister, 3 Microns, Chevy, GMC, Dodge, Ram, Set of 12

Part Number: FLE-S0378

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Estimated Ship Date: Mar 9, 2026 if ordered today

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LLY Duramax High Pressure Injection Line (#4 and #5)

Part Number: FLE-FPE-FL-LLY45

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Estimated Ship Date: Mar 9, 2026 if ordered today

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LLY Duramax High Pressure Injection Line (#1 and #8)

Part Number: FLE-FPE-FL-LLY18

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Estimated Ship Date: Today

Air Intake Components, Secondary Map Sensor Spacer, Chevrolet, GMC, 6.6L, L5P, Duramax, Diesel, Kit

Part Number: FLE-S0573

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Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: FLE-S0426

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Estimated Ship Date: Mar 9, 2026 if ordered today

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TORQUE CONVERTER CONTROLLER, 2001-2015 ALLILOCKER - ALLISON

Part Number: FLE-FPE-ALILKR

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Wire Connectors, Oil Level/Multi-use Sensor Pigtail, 6 in., 2-pin, Female Connector, Black, White Wires, Duramax, Chevy, GMC, Each

Part Number: FLE-S0481

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Estimated Ship Date: Today