2003 Ford Expedition Engine Timing Chain Tensioner. Expedition - ML3Z6K255A

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2003 Ford Expedition

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Engine Timing Chain Tensioner
This Fits Your 2003 Ford Expedition

Part Number: ML3Z6K255A
Supersession(s): ML3Z-6K255-A

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Arm. Timing. Tensioner. Chain.
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. Arm. T. Engine. Guide.

Engine Timing Chain Tensioner

Fits Expedition, F-150, Navigator

Expedition, Navigator; Left. F-150; Tensioner Side; Left.

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

Full Diagram

#18

Adapter housing. Oil cooler. Oil pan. Oil pump. Variable valve timing. 4; Grade 1. 4; Grade 2. 4; Grade 3. CYLINDER HEAD BOLT; Expedition. Expedition; 0.50mm O/S; Left. Expedition; 0.50mm O/S; Right. Expedition; Standard; Left. Expedition; Standard; Right. Navigator; 0.50mm O/S; Left. Navigator; 0.50mm O/S; Right. Navigator; 4WD; w/Corrosion Protect. Navigator; 4WD; w/o Corrosion Protect. Navigator; Exhaust; Left. Navigator; Exhaust; Right. Navigator; From 03/26/18. Navigator; From 3/19/18. Navigator; Grade 2. Navigator; Intake; Left. Navigator; Intake; Right. Navigator; Left; From 11/30/20. Navigator; Left; To 11/30/20.

Expedition. Navigator; Left.

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

Full Diagram

#20

Oil cooler. Oil pan. Oil pump. Variable valve timing. F-150; Exhaust. F-150; Intake. F-150; Left; From 07/19/21. F-150; Left; To 07/19/21. F-150; Lower; Grade 1. F-150; Lower; Grade 2. F-150; Lower; Grade 3. F-150; Right; From 07/19/21. F-150; Right; To 07/19/21. F-150; Slack Side; Left. F-150; Slack Side; Right. F-150; Tensioner Side; Left. F-150; Tensioner Side; Right. F-150; Upper; Grade 1. F-150; Upper; Grade 2. F-150; Upper; Grade 3. F-150; w/Hybrid; Left. F-150; w/Hybrid; Right. F-150; w/o Hybrid; Left. F-150; w/o Hybrid; Right.

F-150; Tensioner Side; Left.