4L3Z6M256AA - Ford Engine Timing Chain Guide | North Park Lincoln, San Antonio TX

Select a Vehicle

Select Your Vehicle

Your Cart

View Cart

Notice: We do not stock all parts listed on our website; some parts require a special order. Most special orders ship within 4-5 business days but some may take 7-10 business days to ship. Some parts are on backorder and cannot be fulfilled, if time is of the essence, please call to verify availability before ordering. Some orders may require additional freight charges. Bumpers, body parts, batteries, seat belts and other hazardous materials are available for local pick up only.

SHOW MORE +

Select a Make:

Engine Timing Chain Guide

Part Number: 4L3Z6M256AA
Supersession(s): 4L3Z-6M256-AA

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

Chain. Guide. Timing.. Engine.
Guide for the Timing Chain.

Engine Timing Chain Guide

CHAIN GUIDE; E-350 Super Duty; Right. CHAIN GUIDE; E-450 Super Duty; Right. E150-350 Vans; Right. E350 Vans; Right; Chain Guide. Expedition, Navigator; Right. F150, MARK LT; 5.4L; Right. F150; Right. F250 Pick-Up; Right. F250 Super Duty; Right. F350 Super Duty; Right. F450, F550; Right.
Timing Chain - Repair or Replace
Your engine's timing chain can stretch over time resulting in a check engine light that comes along with excessive noise from your engine's timing cover. If the chain has broken, which is a rare occurrence, the engine will not start. If your has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.

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

Full Diagram

#18

Balance shafts. Oil cooler. Oil pan. Oil pump. 6; Grade 1; . 010/. 25MM US. 6; Grade 1; Standard. 6; Grade 2; . 010/. 25MM US. 6; Grade 2; Standard. 6; Grade 3; . 010/. 25MM US. 6; Grade 3; Standard. E350 Vans; . 25MM/. 010" O/S. E350 Vans; . 25MM/. 010" U/S. E350 Vans; . 50MM/. 020" O/S. E350 Vans; Center. E350 Vans; Exhaust; w/CNG/LPG Fuel Prep Pkg. E350 Vans; Exhaust; w/o CNG/LPG Fuel Prep Pkg. E350 Vans; Intake; w/CNG/LPG Fuel Prep Pkg. E350 Vans; Intake; w/o CNG/LPG Fuel Prep Pkg. E350 Vans; Left; Chain Guide. E350 Vans; Left; Tensioner Arm. E350 Vans; Main Bearings; Position 1; Grade 1; . 010/. 25MM US. E350 Vans; Main Bearings; Position 1; Grade 1; Standard. E350 Vans; Main Bearings; Position 1; Grade 2; . 010/. 25MM US. E350 Vans; Main Bearings; Position 1; Grade 2; Standard. E350 Vans; Main Bearings; Position 1; Grade 3; . 010/. 25MM US. E350 Vans; Main Bearings; Position 1; Grade 3; Standard.

E350 Vans; Right; Chain Guide.

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

Full Diagram

#25

Balance shafts. Oil cooler. Oil pan. Oil pump. 6; Grade 1; . 25MM/. 010" U/S. 6; Grade 1; Standard. 6; Grade 2; . 25MM/. 010" U/S. 6; Grade 2; Standard. 6; Grade 3; . 25MM/. 010" U/S. 6; Grade 3; Standard. F250 SUPER Duty; . 25MM/. 010" O/S. F250 SUPER Duty; . 50MM/. 020" O/S. F250 SUPER Duty; 2WD. F250 SUPER Duty; 4WD. F250 Super Duty; Center. F250 SUPER Duty; Left; From 1/1/09. F250 SUPER Duty; Left; To 1/1/09. F250 SUPER Duty; Position 1; Grade 1; . 25MM/. 010" U/S. F250 Super Duty; Position 1; Grade 1; Standard. F250 SUPER Duty; Position 1; Grade 2; . 25MM/. 010" U/S. F250 Super Duty; Position 1; Grade 2; Standard. F250 SUPER Duty; Position 1; Grade 3; . 25MM/. 010" U/S. F250 Super Duty; Position 1; Grade 3; Standard. F250 SUPER Duty; Position 2. F250 Super Duty; Right. F250 SUPER Duty; Standard; Grade 2.

F250 Super Duty; Right.

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

Full Diagram

#25

Balance shafts. Oil cooler. Oil pan. Oil pump. 5; Grade 1; . 25MM/. 010" Undersize. 5; Grade 1; Standard. 5; Grade 2; . 25MM/. 010" Undersize. 5; Grade 2; Standard. 5; Grade 3; . 25MM/. 010" Undersize. 5; Grade 3; Standard. F350 SUPER Duty; 2WD. F350 Super Duty; Center. F350 SUPER Duty; Left; From 1/1/09. F350 Super Duty; Left; Production Engines. F350 SUPER Duty; Left; To 1/1/09. F350 SUPER Duty; Oversize; . 25MM/. 010". F350 SUPER Duty; Oversize; . 50MM/. 020". F350 Super Duty; Position 1; Grade 1; .25mm/.010" Undersize. F350 Super Duty; Position 1; Grade 1; Standard. F350 Super Duty; Position 1; Grade 2; .25mm/.010" Undersize. F350 Super Duty; Position 1; Grade 2; Standard. F350 Super Duty; Position 1; Grade 3; .25mm/.010 Undersize. F350 Super Duty; Position 1; Grade 3; Standard. F350 SUPER Duty; Position 1; Position 2. F350 Super Duty; Right; Production Engines. F350 SUPER Duty; Standard; Grade 2.

F350 Super Duty; Right.

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

Full Diagram

#21

Oil cooler. Oil pan. Oil pump. 5; Grade 1; . 010/. 25MM US. 5; Grade 1; Standard. 5; Grade 2; . 010/. 25MM US. 5; Grade 2; Standard. 5; Grade 3; . 010/. 25MM US. 5; Grade 3; Standard. E150-350 Vans; . 010" U/S. E150-350 Vans; . 25MM/. 010" O/S. E150-350 Vans; . 50MM/. 020" O/S. E150-350 Vans; Center. E150-350 Vans; Exhaust; w/CNG/LPG Fuel Prep Pkg. E150-350 Vans; Exhaust; w/o CNG/LPG Fuel Prep Pkg. E150-350 Vans; Intake; w/CNG/LPG Fuel Prep Pkg. E150-350 Vans; Intake; w/o CNG/LPG Fuel Prep Pkg. E150-350 Vans; Left. E150-350 Vans; Main Bearings; Position 1; Grade 1; . 010/. 25MM US. E150-350 Vans; Main Bearings; Position 1; Grade 1; Standard. E150-350 Vans; Main Bearings; Position 1; Grade 2; . 010/. 25MM US. E150-350 Vans; Main Bearings; Position 1; Grade 2; Standard. E150-350 Vans; Main Bearings; Position 1; Grade 3; . 010/. 25MM US. E150-350 Vans; Main Bearings; Position 1; Grade 3; Standard. E150-350 Vans; Main Bearings; Position 2. E150-350 Vans; Piston Pin.

E150-350 Vans; Right.

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

Full Diagram

#25

Oil cooler. Oil pan. Oil pump. Variable valve timing. 5; Grade 1; . 25MM/. 010" U/S. 5; Grade 1; Standard. 5; Grade 2; . 25MM/. 010" U/S. 5; Grade 2; Standard. 5; Grade 3; . 25MM/. 010" U/S. 5; Grade 3; Standard. F250 SUPER Duty; . 25MM/. 010" O/S. F250 Super Duty; .50mm/.020" O/S; All. F250 SUPER Duty; . 50MM/. 020" S/S. F250 SUPER Duty; 2WD. F250 SUPER Duty; 4WD. F250 Super Duty; Center. F250 Super Duty; Exhaust. F250 Super Duty; Intake. F250 Super Duty; Left; w/o Valves And Camshaft; M12 Spark Plug Holes. F250 Super Duty; Left; w/o Valves And Camshaft; M16 Spark Plug Holes. F250 SUPER Duty; Left; W/VALVES and Camshaft; From 10/9/07. F250 SUPER Duty; Left; W/VALVES and Camshaft; To 10/9/07. F250 SUPER Duty; Position 1; Grade 1; . 25MM/. 010" U/S. F250 Super Duty; Position 1; Grade 1; Standard. F250 SUPER Duty; Position 1; Grade 2; . 25MM/. 010" U/S. F250 Super Duty; Position 1; Grade 2; Standard.

F250 Super Duty; Right.

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

Full Diagram

#25

Oil cooler. Oil pan. Oil pump. Variable valve timing. 5; Grade 1; . 25MM/. 010" Undersize. 5; Grade 1; Standard. 5; Grade 2; . 25MM/. 010" Undersize. 5; Grade 2; Standard. 5; Grade 3; . 25MM/. 010" Undersize. 5; Grade 3; Standard. F350 SUPER Duty; 2WD. F350 SUPER Duty; 4WD. F350 Super Duty; Center. F350 Super Duty; Exhaust. F350 Super Duty; Intake. F350 Super Duty; Left; Production Engines. F350 Super Duty; Left; w/o Valves And Camshaft; M12 Spark Plug Holes. F350 Super Duty; Left; w/o Valves And Camshaft; M16 Spark Plug Holes. F350 SUPER Duty; Left; W/VALVES and Camshaft; From 10/9/07. F350 SUPER Duty; Left; W/VALVES and Camshaft; To 10/9/07. F350 SUPER Duty; Oversize; . 25MM/. 010". F350 SUPER Duty; Oversize; . 50MM/. 020". F350 Super Duty; Oversize; All. F350 Super Duty; Position 1; Grade 1; .25mm/.010" Undersize. F350 Super Duty; Position 1; Grade 1; Standard. F350 Super Duty; Position 1; Grade 2; .25mm/.010" Undersize.

F350 Super Duty; Right.

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

Full Diagram

#21

Oil pan. Oil pump. F150. MARK LT; 4.6L Romeo. MARK LT; 4.6L Windsor. MARK LT; 4.6L; Center. Mark lt; 4. 6L; Exhaust Valve (standard). Mark lt; 4. 6L; Intake Valve (standard). Mark lt; 4. 6L; Left; From 7/17/06. MARK LT; 4.6L; Left; Romeo. Mark lt; 4. 6L; Left; To 7/17/06. MARK LT; 4.6L; Left; Windsor. Mark lt; 4. 6L; Position 1-GRADE 1. Mark lt; 4. 6L; Position 1-GRADE 2. Mark lt; 4. 6L; Position 1-GRADE 3. MARK LT; 4.6L; Right; Romeo. MARK LT; 4.6L; Right; Windsor. MARK LT; 4.6L; Romeo. MARK LT; 4.6L; Windsor. Mark lt; 5. 4L; 2WD. Mark lt; 5. 4L; 4WD. MARK LT; 5.4L; Center. Mark lt; 5. 4L; Exhaust Valve (standard). Mark lt; 5. 4L; From 7/17/06. Mark lt; 5. 4L; From 8/8/05. Mark lt; 5. 4L; Grade 2.

F150. MARK LT; 5.4L; Right.

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

Full Diagram

#25

OIL PAN. OIL PUMP. 6; Grade 1. 6; Grade 2. 6; Grade 3. F250 Pick-Up; 2WD. F250 Pick-Up; 4WD. F250 Pick-Up; Center. F250 Pick-Up; Grade 2. F250 Pick-Up; Grade 3. F250 Pick-Up; Left. F250 Pick-Up; Part Of Valve Cover.; Left. F250 Pick-Up; Part Of Valve Cover.; Right. F250 Pick-Up; Position 1; Grade 1. F250 Pick-Up; Position 1; Grade 2. F250 Pick-Up; Position 1; Grade 3. F250 Pick-Up; Position 2. F250 Pick-Up; Right. F250 Pick-Up; Standard. F250 Pick-Up; w/o Valves; Left. F250 Pick-Up; w/o Valves; Right. F250 Pick-Up; w/Valves; Left. F250 Pick-Up; w/Valves; Right.

F250 Pick-Up; Right.

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

Full Diagram

#24

Oil pan. Oil pump. Variable valve timing. 5; . 25MM/. 010" U/S; Grade 1. 5; . 25MM/. 010" U/S; Grade 2. 5; . 25MM/. 010" U/S; Grade 3. 5; Standard; Grade 1. 5; Standard; Grade 2. 5; Standard; Grade 3. Expedition; Left; Inner. Expedition; Left; Outer. Expedition; Right. Navigator; .25mm/.010" O/S. Navigator; .50mm/.020" O/S. Navigator; 2WD. Navigator; 4WD; From 12/6/06 To 3/30/09. Navigator; 4WD; From 3/30/09. Navigator; 4WD; To 12/6/06. Navigator; Center. Navigator; Exhaust. Navigator; Intake. Navigator; Left; Inner. Navigator; Left; Outer. Navigator; Left; w/o Valves & Camshaft; 12mm Spark Plug Holes. Navigator; Left; w/o Valves & Camshaft; 16mm Spark Plug Holes. Navigator; Left; w/o Valves & Camshaft; All.

Expedition. Navigator; Right.

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

Full Diagram

#25

OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. 5; Grade 1. 5; Grade 2. 5; Grade 3. F250 Pick-Up; 2WD. F250 Pick-Up; 4WD. F250 Pick-Up; Center. F250 Pick-Up; Exhaust. F250 Pick-Up; Grade 2. F250 Pick-Up; Grade 3. F250 Pick-Up; Intake. F250 Pick-Up; Left; w/o Valves. F250 Pick-Up; Left; w/Valves. F250 Pick-Up; Position 1; Grade 1. F250 Pick-Up; Position 1; Grade 2. F250 Pick-Up; Position 1; Grade 3. F250 Pick-Up; Position 2. F250 Pick-Up; Right; w/o Valves. F250 Pick-Up; Right; w/Valves. F250 Pick-Up; Standard.

F250 Pick-Up; Right.