2003 Ford F-150 Lariat Crew Cab Pickup Fleetside Engine Timing Chain Tensioner - FT4Z6K255A

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2003 Ford F-150 Lariat Crew Cab Pickup Fleetside

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Engine Timing Chain Tensioner

Part Number: FT4Z6K255A
Supersession(s): FT4Z-6K255-A

View Engine Timing Chain Tensioner Full-Sized Product Image 1 of 1

Timing. Tensioner. Chain. Arm.
An oil pressurized Tensioner that keeps the Chain that runs from the crankshaft to camshaft or the Chain that runs from camshaft to camshaft, from becoming loose and jumping a tooth or more causing engine damage or out of sync crankshaft to camshaft Timing. Crank To Cam. T. Engine. Guide.

Engine Timing Chain Tensioner

Aviator; Right. Continental. Edge. Edge; Tensioner Side. Explorer. F150. Fusion. MKX. MKZ. Nautilus. Police Interceptor Utility.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

Oil cooler. Oil pan. Variable valve timing. F150; 0. 25MM O/S. F150; 0.50mm O/S; Left. F150; 0.50mm O/S; Right. F150; 2WD. F150; 4WD. F150; Exhaust; From 11/27/18. F150; Exhaust; Left. F150; Exhaust; Right. F150; Exhaust; To 11/27/18. F150; From 5/15/19. F150; Inner. F150; Intake; From 11/27/18. F150; Intake; Left. F150; Intake; Right. F150; Intake; To 11/27/18. F150; Left; Inner; Large. F150; Left; Inner; Small. F150; Left; Outer. F150; Outer; From 11/27/18. F150; Outer; To 11/27/18. F150; Right; Inner; Large. F150; Right; Inner; Small. F150; Right; Outer.

F150.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

Oil pan. Oil pump. Variable valve timing. Main bearing; mkx; Lower; Grade 1. Main bearing; mkx; Lower; Grade 2. Main bearing; mkx; Lower; Grade 3. Main bearing; mkx; Lower; Grade 4. Main bearing; mkx; Lower; Grade 5. Main bearing; mkx; Lower; Grade 6. Main bearing; mkx; Upper; Grade 1. Main bearing; mkx; Upper; Grade 2. Main bearing; mkx; Upper; Grade 3. Main bearing; mkx; Upper; Grade 4. Main bearing; mkx; Upper; Grade 5. Main bearing; mkx; Upper; Grade 6. Mkx; 0. 25MM O/S. MKX; 0.50MM O/S; Left. MKX; 0.50MM O/S; Right. MKX; Exhaust; Left. MKX; Exhaust; Right. Mkx; From 2/19/16. MKX; Inner. MKX; Intake; Left. MKX; Intake; Right. MKX; Left. MKX; Outer.

MKX.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

Oil pan. Oil pump. Variable valve timing. Edge; 0.25MM O/S. Edge; 0.50MM O/S; Left. Edge; 0.50MM O/S; Right. Edge; Exhaust; From 12/04/18. Edge; Exhaust; Left. Edge; Exhaust; Right. Edge; Exhaust; To 12/04/18. Edge; From 07/15/19. Edge; From 12/04/18. Edge; Inner. Edge; Intake; From 12/04/18. Edge; Intake; Left. Edge; Intake; Right. Edge; Intake; To 12/04/18. Edge; Left; Inner. Edge; Left; Outer. Edge; Outer. Edge; Right; Inner. Edge; Right; Outer; From 2/19/16. Edge; Right; Outer; To 2/19/16. Edge; Standard; Left. Edge; Standard; Right. Edge; To 07/15/19.

Edge.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

OIL COOLER. OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. MKZ; Exhaust; Left. MKZ; Exhaust; Right. MKZ; From 4/4/16. MKZ; Intake; Left. MKZ; Intake; Right. MKZ; Left; Large. MKZ; Left; Small. MKZ; Lower; STD; Grade 1. MKZ; Lower; STD; Grade 2. MKZ; Lower; STD; Grade 3. MKZ; Lower; STD; Grade 4. MKZ; Lower; STD; Grade 5. MKZ; Lower; STD; Grade 6. MKZ; Outer. MKZ; Piston Pin. MKZ; Right; Large. MKZ; Right; Small. MKZ; Upper; Grade 1. MKZ; Upper; Grade 2. MKZ; Upper; Grade 3. MKZ; Upper; Grade 4. MKZ; Upper; Grade 5.

MKZ.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Continental; 0.50MM O/S; Left. Continental; 0.50MM O/S; Right. Continental; Exhaust; Left. Continental; Exhaust; Right. Continental; Inner. Continental; Intake; Left. Continental; Intake; Right. Continental; Left. Continental; Outer. Continental; Right. Continental; Standard; Left. Continental; Standard; Right. MAIN BEARING; Continental; Lower; Grade 1. MAIN BEARING; Continental; Lower; Grade 2. MAIN BEARING; Continental; Lower; Grade 3. MAIN BEARING; Continental; Lower; Grade 4. MAIN BEARING; Continental; Lower; Grade 5. MAIN BEARING; Continental; Lower; Grade 6. MAIN BEARING; Continental; Upper; Grade 1. MAIN BEARING; Continental; Upper; Grade 2. MAIN BEARING; Continental; Upper; Grade 3. MAIN BEARING; Continental; Upper; Grade 4. MAIN BEARING; Continental; Upper; Grade 5.

Continental.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Fusion; 0.50mm/.020" O/S. Fusion; Exhaust; Left. Fusion; Exhaust; Right. Fusion; Inner. Fusion; Intake; Left. Fusion; Intake; Right. Fusion; Left; Large. Fusion; Left; Small. Fusion; Lower; STD; Grade 1. Fusion; Lower; STD; Grade 2. Fusion; Lower; STD; Grade 3. Fusion; Lower; STD; Grade 4. Fusion; Lower; STD; Grade 5. Fusion; Lower; STD; Grade 6. Fusion; Outer. Fusion; Piston Pin. Fusion; Piston; Left. Fusion; Piston; Right. Fusion; Right; Large. Fusion; Right; Small. Fusion; Standard. Fusion; Upper; Grade 1. Fusion; Upper; Grade 2.

Fusion.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

OIL COOLER. OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. Continental; Exhaust; Left. Continental; Exhaust; Right. Continental; Inner. Continental; Intake; Left. Continental; Intake; Right. Continental; Left. Continental; Outer. Continental; Right. MAIN BEARING; Continental; Lower; Grade 1. MAIN BEARING; Continental; Lower; Grade 2. MAIN BEARING; Continental; Lower; Grade 3. MAIN BEARING; Continental; Lower; Grade 4. MAIN BEARING; Continental; Lower; Grade 5. MAIN BEARING; Continental; Lower; Grade 6. MAIN BEARING; Continental; Upper; Grade 1. MAIN BEARING; Continental; Upper; Grade 2. MAIN BEARING; Continental; Upper; Grade 3. MAIN BEARING; Continental; Upper; Grade 4. MAIN BEARING; Continental; Upper; Grade 5. MAIN BEARING; Continental; Upper; Grade 6. THRUST BEARING; Continental; Grade 1. THRUST BEARING; Continental; Grade 2.

Continental.

CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. PISTONS. RINGS & BEARINGS.

Full Diagram

#18

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. MAIN BEARING; Nautilus; Lower; Grade 1. MAIN BEARING; Nautilus; Lower; Grade 2. MAIN BEARING; Nautilus; Lower; Grade 3. MAIN BEARING; Nautilus; Lower; Grade 4. MAIN BEARING; Nautilus; Lower; Grade 5. MAIN BEARING; Nautilus; Lower; Grade 6. MAIN BEARING; Nautilus; Upper; Grade 1. MAIN BEARING; Nautilus; Upper; Grade 2. MAIN BEARING; Nautilus; Upper; Grade 3. MAIN BEARING; Nautilus; Upper; Grade 4. MAIN BEARING; Nautilus; Upper; Grade 5. MAIN BEARING; Nautilus; Upper; Grade 6. Nautilus; 0.25MM O/S. Nautilus; 0.50MM O/S; Left. Nautilus; 0.50MM O/S; Right. Nautilus; Exhaust; Left. Nautilus; Exhaust; Right. Nautilus; Inner. Nautilus; Intake; Left. Nautilus; Intake; Right. Nautilus; Left; Inner. Nautilus; Left; Outer. Nautilus; Outer.

Nautilus.

Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings.

Full Diagram

#19

Oil cooler. Oil pan. Oil pump. Variable valve timing. DRIVE BELT; Explorer. DRIVE BELT; Police Interceptor Utility. Explorer; Center. Explorer; Exhaust; Left. Explorer; Exhaust; Right. Explorer; From 8/19/2019. Explorer; Front & Rear. Explorer; Intake; Left. Explorer; Intake; Right. Explorer; Left; Inner. Explorer; Left; Outer. Explorer; Main. Explorer; Right; Inner; Front. Explorer; Right; Inner; Rear. Explorer; Right; Outer. Explorer; Round; Center. Explorer; Round; Lower. Explorer; Round; Upper. Explorer; To 8/19/2019. Main bearing; Explorer; Lower; Center; Grade 1. Main bearing; Explorer; Lower; Center; Grade 2. Main bearing; Explorer; Lower; Center; Grade 3.

Explorer. Police Interceptor Utility.

Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings.

Full Diagram

#18

Oil pan. Oil pump. Variable valve timing. Aviator; Cylinder Head. Aviator; Exhaust; Left. Aviator; Exhaust; Right. Aviator; Feed. Aviator; Inner And Outer Gears. Aviator; Inner Cover; Upper; Left. Aviator; Inner Cover; Upper; Right/Center. Aviator; Intake; Left. Aviator; Intake; Right. Aviator; Left Side. Aviator; Left; Inner. Aviator; Left; Outer. Aviator; Main Bearing; Lower; Center; Grade 1. Aviator; Main Bearing; Lower; Center; Grade 2. Aviator; Main Bearing; Lower; Center; Grade 3. Aviator; Main Bearing; Lower; Center; Grade 4. Aviator; Main Bearing; Lower; Center; Grade 5. Aviator; Main Bearing; Lower; Center; Grade 6. Aviator; Main Bearing; Lower; Front And Rear; Grade 1. Aviator; Main Bearing; Lower; Front And Rear; Grade 2. Aviator; Main Bearing; Lower; Front And Rear; Grade 3. Aviator; Main Bearing; Lower; Front And Rear; Grade 4. Aviator; Main Bearing; Lower; Front And Rear; Grade 5.

Aviator; Right.