What steps should be taken for thorough cleaning and inspection of the cylinder head and valve train components during an engine overhaul on Ford Expedition?

Elaborate cleaning of the cylinder head(s) ant the oversized valve train parts; then followed by an assessment of the required valve service work as part of the engine enhancement. First clear all old gasket debris and sealant material especially on the following areas; head gasket, intake manifold and exhaust manifold gasket surfaces without damaging the cylinder head. Scrub coolants passages to remove accumulated scale and to clean deposits from various holes use stiff wire brush. Thread a suitable size tap into each threaded hole to remove Corroisafe to prevent thread sealant, and use compressed air to blow out the dirt. On models equipped with the exhaust manifold stud threads clean them, on the other hand, the cylinder head should be cleaned with solvent, and thereafter should be dried preferably with air pressure. Use decarbonizing chemicals for cleaning with measure so as not to harm the car. Avoid mixing of part by cleaning the valve train components and valve springs each on the valve that is being worked on. Shave off thick layers of deposits on the valves and then further work for cleaning by using motorized wire brush. Check the cylinder head for cracks, coolant leakages and take the cylinder head to an automotive machine shop in case of signs of excessive wear. When doing a visual inspection you should check the head gasket mating surface for warpage by using a straight edge and a feeler gauge, in addition the valve seats should also be checked for pitting or signs of burning. The valve stem-to-guide clearance must be checked with a dial indicator and each valve face must be checked for excessive wear / deformation / crack and the margin width should match the standard specifications. Ensure check valve springs are in good condition in terms of wear and variance in free length to be suitable for reuse the same goes for the spring retainers and keepers for wear and crack conditions. Clean all rocker arm parts; check for wear or damage on any of the rocker arm pieces and scuffing on pushrod ends. If any of them are damaged or worn excessively they should be replaced; if the valve components are in poor order, take the valves back to the cylinder head where they will have to be reassemble after cleaning.

Genuine Ford Expedition Cylinder Head

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44 Cylinder Heads found

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Ford Expedition Cylinder Head Assembly
Part Number: 4L3Z-6049-AA
$605.57 MSRP: $824.62
You Save: $219.05 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Passenger Side
- Replaced by: 6W7Z-6049-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford Expedition | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R75W, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- 2001-2002 Ford Expedition | 8 Cyl 4.6L | 4AT 4R100, 4AT 4R70W
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 9L3Z-6049-K
$885.57 MSRP: $1209.23
You Save: $323.66 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy; Cylinder Head
- Manufacturer Note: Includes Valves, Rockers, Tappets And Camshaft
- Position: Driver Side
- Replaces: 9L3Z-6049-H
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2014 Ford Expedition | 8 Cyl 5.4L | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R75W, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 9L3Z-6049-H
$885.57 MSRP: $1209.23
You Save: $323.66 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Driver Side
- Replaced by: 9L3Z-6049-K
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Ford Expedition | 8 Cyl 5.4L | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Head Assembly - Cylinder
Part Number: 1L2Z-6049-LA
$517.14 MSRP: $696.92
You Save: $179.78 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assy - Cylinder - Less Valves
- Position: Passenger Side/Driver Side
- Replaced by: 6W7Z-6049-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004 Ford Expedition | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R75W, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- 2001-2002 Ford Expedition | 8 Cyl 4.6L | 4AT 4R100, 4AT 4R70W
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 9L3Z-6049-E
$2890.50 MSRP: $4247.69
You Save: $1357.19 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy; Cylinder Head
- Manufacturer Note: Less Valves
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2014 Ford Expedition | 8 Cyl 5.4L | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 9L3Z-6049-GB
$275.03 MSRP: $371.67
You Save: $96.64 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy; Cylinder Head
- Position: Passenger Side
- Replaces: 8L3Z-6049-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Ford Expedition | 8 Cyl 5.4L | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R75W, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 2L1Z-6049-DA
$905.31 MSRP: $1325.08
You Save: $419.77 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Passenger Side & Driver Side
- Replaced by: 9C2Z-6049-EA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Ford Expedition | 8 Cyl 5.4L Modular SOHC | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R75W, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- 1999-2001 Ford Expedition | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 8L3Z-6049-B
$275.03 MSRP: $371.67
You Save: $96.64 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Passenger Side
- Replaced by: 9L3Z-6049-GB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Ford Expedition | 8 Cyl 5.4L | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 1W7Z-6049-AARH
$605.57 MSRP: $824.62
You Save: $219.05 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Passenger Side
- Replaced by: 6W7Z-6049-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003 Ford Expedition | 8 Cyl 4.6L Romeo SOHC EFI | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: XL3Z-6049-DA
$905.31 MSRP: $1325.08
You Save: $419.77 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Passenger Side & Driver Side
- Replaced by: 9C2Z-6049-EA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Ford Expedition | 8 Cyl 4.6L | 4AT 4R100, 4AT 4R70W
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: HL3Z-6049-A
$1750.21 MSRP: $2396.92
You Save: $646.71 (27%)
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Passenger Side
- Replaced by: HL3Z-6049-J
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2019 Ford Expedition | 6 Cyl 3.5L GTDI | 10-Speed Automatic Transmission (10R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: DL3Z-6049-A
$1141.61 MSRP: $1641.54
You Save: $499.93 (31%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy; Cylinder Head
- Position: Passenger Side
- Replaced by: DL3Z-6049-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Ford Expedition | 6 Cyl 3.5L GTDI | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 9L3Z-6049-C
$1930.90 MSRP: $4247.69
You Save: $2316.79 (55%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy; Cylinder Head
- Manufacturer Note: Less Valves
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2014 Ford Expedition | 8 Cyl 5.4L | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: HL3Z-6049-J
$1750.21 MSRP: $2396.92
You Save: $646.71 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CYLINDER HEAD ASY; Cylinder Head
- Replaces: HL3Z-6049-A, HL3Z-6049-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Ford Expedition | 6 Cyl 3.5 L GAS, 6 Cyl 3.5L GTDI | 10-Speed Automatic Transmission (10R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: HL3Z-6049-L
$1815.17 MSRP: $2486.15
You Save: $670.98 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CYLINDER HEAD ASY; Cylinder Head
- Replaces: HL3Z-6049-K, HL3Z-6049-B, HL3Z-6049-H
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Ford Expedition | 6 Cyl 3.5 L GAS, 6 Cyl 3.5L GTDI | 10-Speed Automatic Transmission (10R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: XL3Z-6049-GA
$23.15 MSRP: $32.98
You Save: $9.83 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Driver Side
- Replaced by: 2L1Z-6K297-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Ford Expedition | 8 Cyl 4.6L | 4AT 4R100, 4AT 4R70W
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: NL3Z-6049-C
$766.08 MSRP: $1052.31
You Save: $286.23 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CYLINDER HEAD ASY; Cylinder Head
- Replaces: ML3Z-6049-F
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2025 Ford Expedition | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: NL3Z-6049-D
$782.53 MSRP: $1067.69
You Save: $285.16 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CYLINDER HEAD ASY; Cylinder Head
- Replaces: ML3Z-6049-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2025 Ford Expedition | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: HL3Z-6049-B
$1815.17 MSRP: $2486.15
You Save: $670.98 (27%)
ADD TO CART
Product Specifications
- Other Name: Cylinder Head Assy
- Position: Driver Side
- Replaced by: HL3Z-6049-L
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2019 Ford Expedition | 6 Cyl 3.5L GTDI | 10-Speed Automatic Transmission (10R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Expedition Cylinder Head Assembly
Part Number: 9L3Z-6049-J
Product Specifications
- Other Name: Cylinder Head Assy; Cylinder Head
- Manufacturer Note: Includes Valves, Rockers, Tappets And Camshaft
- Position: Passenger Side
- Replaces: 9L3Z-6049-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2014 Ford Expedition | 8 Cyl 5.4L | 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 4AT 4R75W, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)

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Ford Expedition Cylinder Head

The essential function of the Ford Expedition Cylinder Head is to seal off each combustion chamber. It also hosts the air and fuel pathways that allow the engine to breathe and unleash power. Throughout the model's run, each Cylinder Head has topped an SOHC or DOHC V motor, i.e., with either one or two camshafts that set the valves moving via roller cam followers on Ford Triton engines or via direct-acting buckets with variable timing on EcoBoost units. The Cylinder Head is mostly made from lightweight aluminum to cut weight and disperse heat. It also fixes the manifolds, spark plugs, and in direct-injected designs, fuel injectors, all while improving airflow for horsepower for every Expedition engine. The Cylinder Head can be damaged if the guides are worn, the valves burnt, the deck distorted, the deck cracks, or the head gasket blown, causing leakage of compression, coolant, or oil. To maintain the gasket's integrity, Ford mandates the use of single-use torque-to-yield head bolts which stretch for uniform clamping. The Cylinder Head is always tuned for durability and thermal control. This is a characteristic of the Expedition line of vehicles. Therefore, it is ensured that later Expedition models will be built on earlier proven powerplants.

We provide a wide range of Ford Expedition Cylinder Head at the optimal prices. If you need Ford Expedition Cylinder Head, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your doorstep with a fast delivery service.

Ford Expedition Cylinder Head Parts Questions & Experts Answers

Cylinder Head Assembly
4L3Z-6049-AA
Q: What steps should be taken for thorough cleaning and inspection of the cylinder head and valve train components during an engine overhaul on Ford Expedition?
A:
Elaborate cleaning of the cylinder head(s) ant the oversized valve train parts; then followed by an assessment of the required valve service work as part of the engine enhancement. First clear all old gasket debris and sealant material especially on the following areas; head gasket, intake manifold and exhaust manifold gasket surfaces without damaging the cylinder head. Scrub coolants passages to remove accumulated scale and to clean deposits from various holes use stiff wire brush. Thread a suitable size tap into each threaded hole to remove Corroisafe to prevent thread sealant, and use compressed air to blow out the dirt. On models equipped with the exhaust manifold stud threads clean them, on the other hand, the cylinder head should be cleaned with solvent, and thereafter should be dried preferably with air pressure. Use decarbonizing chemicals for cleaning with measure so as not to harm the car. Avoid mixing of part by cleaning the valve train components and valve springs each on the valve that is being worked on. Shave off thick layers of deposits on the valves and then further work for cleaning by using motorized wire brush. Check the cylinder head for cracks, coolant leakages and take the cylinder head to an automotive machine shop in case of signs of excessive wear. When doing a visual inspection you should check the head gasket mating surface for warpage by using a straight edge and a feeler gauge, in addition the valve seats should also be checked for pitting or signs of burning. The valve stem-to-guide clearance must be checked with a dial indicator and each valve face must be checked for excessive wear / deformation / crack and the margin width should match the standard specifications. Ensure check valve springs are in good condition in terms of wear and variance in free length to be suitable for reuse the same goes for the spring retainers and keepers for wear and crack conditions. Clean all rocker arm parts; check for wear or damage on any of the rocker arm pieces and scuffing on pushrod ends. If any of them are damaged or worn excessively they should be replaced; if the valve components are in poor order, take the valves back to the cylinder head where they will have to be reassemble after cleaning.