GMC SIERRA 2500 HD CLASSIC Fleece Performance Parts and Accessories

Automatic Transmission Cooler Lines, Rubber, Chevy, GMC, 6.6L Diesel, Allison 1000, Kit

Part Number: FLE-FPETLLBZLMM

3.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: FLE-FPEDMAXCP3K

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Gauge Sending Unit, SureFlo, Lever Style, Fuel Level, Electrical, -8 AN Feed and Return Line Diameter, Chevrolet, GMC, Kit

Part Number: FLE-FPE-SFGM0410

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Wire Connectors, Internal Harness and Viton® O-ring Seal for Allison LCT and GM 4T65-E Transmissions, 20-pin, Gray, 2-piece, Each

Part Number: FLE-S0483

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Remote Turbo Oil Feed Line Kit for 6.6L Duramax Turbochargers

Part Number: FLE-FPE-DTFL0116

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: FLE-S0312

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Lighting Control Module, All-Lights-On, Chevy, GMC, Each

Part Number: FLE-FPEGMALO37

4.72 out of 5 stars ( 29 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Fuel pressure regulator harness, 6.6L Duramax, Each

Part Number: FLE-S0432

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Turbocharger, 63mm, FWM, Cheetah Turbo, Chevy, GMC, 6.6L, Each

Part Number: FLE-FPEVNT63STRE

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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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 4/13/2026 if shipped by air

Fuel Pump, PowerFlo In-Tank Lift Pump Assembly, Electric In-tank, 12 V, Sending Unit, LLY and LBZ Only, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: FLE-FPE-34789

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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 4/13/2026 if shipped by air

Fuel Pump, PowerFlo CP3, Mechanical, Injection Style, Chevy, GMC, 6.6L Diesel, Kit

Part Number: FLE-S0048

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered 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

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Fleece Performance CP3 for LBZ/LMM Duramax

Part Number: FLE-FPE-DMAX-CP3

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Estimated Ship Date: May 19, 2026 if ordered today

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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: May 19, 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: May 19, 2026 if ordered today

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

Part Number: FLE-S0514

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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

Part Number: FLE-FPE-BRAB-D1

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Estimated Ship Date: May 19, 2026 if ordered today

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Wire Connectors, Oil Pressure Sensor Pigtail, 3-pin, Female Connector, Black, White Wires, Duramax, Chevy, GMC, Each

Part Number: FLE-S0479

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: FLE-S0411

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Estimated Ship Date: May 19, 2026 if ordered today

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Wiring Pigtail, Fuel Injector Connector, Chevy, Ford, GMC, Each

Part Number: FLE-S0492

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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LBZ/LMM Duramax High Pressure Injection Line (#2 and #7)

Part Number: FLE-S0461

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Wiring Pigtail, Barometric Pressure Sensor Connector, Cam Position Connector, Crankshaft Position Connector, MAP Sensor Connector, Chevy, GMC, Each

Part Number: FLE-S0444

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air