2003 FORD F-150 Engines & Components

MAHLE Original Pistons 224-3418WR.020

Piston With Rings - FORD 5.4L SOHC PI (99-04) 8CYL 020 W/PCR

Part Number: MAH-2243418WR020

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Melling Valve Spring Retainers VSR-703

Melling Valve Spring Retainers VSR-703

Valve Spring Retainers, Steel, 10 Degree, .877 in. Outside Diameter, .515 in. Inside Diameter, Each

Part Number: MEL-VSR-703

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

MAHLE Original Pistons 224-3418WR.030

Piston With Rings - FORD 5.4L PI(90L91+++A4)030 W/PCR ENGSET

Part Number: MAH-2243418WR030

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

King SI-Series Main Bearings MB4034SI0.5

Main Bearings, SI-Series, Silicon Aluminum, 0.50mm. Crankshaft Undersize, Ford, 3.8, 3.9, 4.2L, Set of 4

Part Number: KGB-MB4034SI05

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dorman Harmonic Balancers 594-189

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, Ford, Modular V8, Each

Part Number: RNB-594-189

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Pennzoil Oil Filters PENZPZ19

Oil Filter, PZ19, 3/4-16 in. Thread, 3.750 in. High, Each

Part Number: PNZ-8820

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Hastings Piston Ring Sets 2M4628040

Piston Rings, Plasma-moly, 3.591 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4628040

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Melling Timing Chain Sets 3-391SD

Timing Chain and Gears, Link Belt, Steel Sprockets, Ford, Lincoln, Set

Part Number: MEL-3-391SD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-3413.020

Piston - Ford Pass. & Trk. (4.6L) 281 2V V8, Windsor "PI" (1999-2001)

Part Number: MAH-2243413020

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M4628S

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4628S

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Cloyes Gear Timing Chain Tensioners 9-5340

Engine Timing Chain Tensioner Guide

Part Number: CLO-9-5340

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Clevite AL-Series Main Bearings MS-2259A

Main Bearings, AL Series, Standard Size, Ford, 4.6L, Set of 5

Part Number: CLE-MS2259A

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dorman Idler Pulleys 419-603

Idler Pulley, Serpentine, Plastic, Black, Each

Part Number: RNB-419-603

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Ford Genuine Parts Belt Tensioners 1L2Z-6B209-D

Drive Belt Tensioner

Part Number: FRD-1L2Z-6B209-D

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Hastings Piston Ring Sets 4628020

Piston Rings, Phosphate Coated, 3.571 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-4628020

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Melling Timing Chain Sets 3-391SC

Timing Chain and Gear Set, Link Belt, Steel Sprocket, Ford, Lincoln, SOHC, V8, 5.4L, V10, 6.8L, Set

Part Number: MEL-3-391SC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Melling Valve Springs VTSS100

VALVE TRAIN SET UP SPRING

Part Number: MEL-VTSS100

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Hengst Oil Filters H14W23

Oil Filter, Canister Style, 3/4-16. Thread Size, Ford, Mercury Lincoln, Each

Part Number: HNT-H14W23

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Mahle Original Head Bolt Kits GS33412

Cylinder Head Fasteners, Head Bolt Kits, Hex Head, Steel, Black Oxide, Ford, Lincoln, 5.4L, 3-valve Only, Kit

Part Number: MAH-GS33412

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Motorcraft Belt Tensioners 1L3Z6B209AA

Accessory Belt Tensioner, Ford, Lincoln, Each

Part Number: MOF-BT62

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Cloyes Timing Crankshaft Sprockets S869

Timing Gear, Crankshaft Sprocket, Steel, Ford, Lincoln, Mercury, Each

Part Number: CLO-S869

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Dorman Air Conditioner Bypass Pulleys 34189

A/C Compressor Eliminator, Ford, Lincoln, Each

Part Number: RNB-34189

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Clevite AL-Series Main Bearings MS-2007A

Ford Products V8, 281 SOHC, 1993-01

Part Number: CLE-MS2007A

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Continental Accu-Drive Tensioners 49314

Belt Tensioner, Accu-Drive, Ford, Lincoln, Mercury, 4.6, 5.4, 6.8L, Each

Part Number: CEL-49314

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Dayco No Slack Automatic Belt Tensioners 89263

5 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026

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J&L Oil Separator Co. 3.0 Oil Separators for 1999-2003 F-150, 2004 F-150 HERITAGE - 3027D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Driver Side, Ford, 5.4L, Kit

Part Number: JLT-3027D-B

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today