×
- Live Chat
- 1-888-788-9341
My Garage
My Account
Cart
Cylinder Head & Related Parts fit your 1999 Lincoln Navigator 8 Cyl 5.4L 4-Speed Automatic Transmission 4R100
Currently shopping for
1999 Lincoln Navigator
Change VehicleVehicle Options
8 Cyl 5.4L; 4-Speed Automatic Transmission 4R100Vehicle Options
8 Cyl 5.4L; 4-Speed Automatic Transmission 4R100Categories Close X
Currently selected
Engine
- Camshaft Gear & Timing Chain Assembly
- Cover - Cylinder Block Opening
- Crankcase Vent Connector & Hose Assembly
- Crankshaft, Pistons & Bearings
- Cylinder Block & Plugs
- Cylinder Block, Engine Crankshaft & Related Parts
- Cylinder Head & Related Parts
- Emission Control - Crankcase
- Engine Block Immersion Heater
- Engine Gasket Kits
- Engine Oil Fill Tube Assembly & Adaptor
- Flywheel & Related Parts
- Front Cover & Related Parts
- Oil Cooler & Filter
- Oil Level Indicator, Tube Assembly
- Oil Pan, Pump & Screen Cover Assembly
- Pulleys And Drivebelts
- Service Engine & Short Block
- Valve Covers & Related Parts
Other Categories
Accelerator Linkage, Air Cleaner & Speed Control
Air Conditioner, Radio & Shock Absorbers
Alternator, Battery, Distributor & Starter
Automatic Transmission
Console, instruments, mirrors, windshield
Door glass and fittings
EM Exterior Moulding
Fenders & Hood
Frame, Exhaust System & Springs
Front Axle & Steering
Fuel System & Manifolds
Fuel filler, luggage carrier, rear door
IT Body & Soft Trim Parts
Lamps & Wiring
Radiator & Grill
Rear Axle, Drive & Coupling Shafts
SM Sheet metal
Seats and belts
Speedometer, Bumpers, Mirrors & Wipers
Wheels & Brakes
Parts Questions
Sort by:
Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
F8AZ-6564-AA
ARM (VALVE ROCKER)Arm Assy - Valve Rocker- DOHC
SOHC - Fit Note: 8 Cyl 5.4L
- Require Quantity: 32
- Package Quantity: 1
- Base Number: 6564
- Callout Name: 6564
$30.33 $20.751- DOHC
F3AZ-6766-B
CAP ASY. (OIL FILLER)Cap Assy - Oil Filler- Screw on style cap, "Engine Oil" on top of cap
- Fit Note: 8 Cyl 5.4L
- Base Number: 6766
- Callout Name: 6766
$9.89 $6.201
F8AZ-6A008-AA
DOWEL (CYLINDER HEAD TO CYLINDER BLOCK)Dowel - Pin- Fit Note: 8 Cyl 5.4L
- Require Quantity: 4
- Package Quantity: 4
- Base Number: 6A008
- Callout Name: 6A008
$3.89 $2.734
F65Z-6G004-AB
SENSOR (HEAD TEMP)Sensor Assy- Cylinder head temperature sensor
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6G004
- Replaced By: 8L3Z-6G004-A
$31.50 $22.111
- BOLT (CYLINDER HEAD)
3L3Z-6065-AA
Bolt - Hex.Head- Fit Note: 8 Cyl 5.4L
- Require Quantity: 20
- Package Quantity: 4
- Callout Name: 6065
- Replaced By: 9R3Z-6065-A
$8.25 $5.794 
F6AZ-6065-BA
Bolt - Hex.Head- Fit Note: 8 Cyl 5.4L
- Require Quantity: 20
- Package Quantity: 4
- Callout Name: 6065
- Replaced By: 9R3Z-6065-A
$8.25 $5.794
F1AZ-6518-A
KEY (VALVE SPRING RETAINER)Key- DOHC
SOHC - Fit Note: 8 Cyl 5.4L
- Require Quantity: 64
- Package Quantity: 8
- Base Number: 6518
- Callout Name: 6518
$0.61 $0.408- DOHC
F6DZ-6C501-A
ADJUSTER ASY. (VALVE HYDRAULIC LASH)Bushing- Used on Std. or Horsepower Improved heads.
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6500
- Callout Name: 6C501
$29.64 $18.581
F6AZ-6514-AC
RETAINER (VALVE SPRING)Retainer - Valve Spring- Intake & Exhaust, DOHC
Intake & Exhaust, SOHC - Fit Note: 8 Cyl 5.4L
- Require Quantity: 32
- Package Quantity: 8
- Base Number: 6514
- Callout Name: 6514
$1.23 $0.808- Intake & Exhaust, DOHC
- GASKET (VALVE ROCKER ARM COVER)
F7LZ-6584-AA
Gasket - Valve Rocker Arm Cover- RH -Also incl. in 6582 asy., DOHC
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6584
- Callout Name: 6584
$45.67 $31.241 
F6AZ-6584-CA
Gasket - Valve Rocker Arm Cover- RH, SOHC
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6584
- Replaced By: 2L3Z-6584-BA
$38.50 $26.331
F6AZ-6584-DA
Gasket - Valve Rocker Arm Cover- LH, SOHC
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6584
- Replaced By: 2L3Z-6584-AA
$34.67 $24.341
F7LZ-6584-BA
Gasket - Valve Rocker Arm Cover- LH -Also incl. in 6582 asy., DOHC
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6584
- Callout Name: 6584
$41.83 $29.371
- FREEZE PLUG (ENGINE)
F6AZ-6026-AA
Plug - Engine- Cup type-1 3/4" cyl. block
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 8
- Package Quantity: 2
- Base Number: 6026
- Callout Name: 6026
$7.44 $5.232 
F1AZ-6026-A
Plug - Engine- Cup type; 13.84mm; Front & rear of block.
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 2
- Callout Name: 6026
- Replaced By: BL3Z-6026-A
$3.86 $2.712
F3AZ-6026-A
Plug - Engine- Pipe type-3/8-18x.425-cyl. block
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 2
- Base Number: 6026
- Callout Name: 6026
$4.12 $2.892
F6AZ-6026-BA
Plug - Engine- Cup type; 38.30mm; Cylinder head front & rear.
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 6
- Package Quantity: 2
- Base Number: 6026
- Callout Name: 6026
$5.73 $4.022- F6AZ-6026-CA
Plug - Engine- Cup type-11.4mm- cyl. head
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 6026
- Callout Name: 6026
$0.00
- SEAL (VALVE STEM)
F6AZ-6571-AA
Seal - Valve Stem- Intake and Exhaust, SOHC
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 16
- Package Quantity: 4
- Callout Name: 6571
- Replaced By: DC2Z-6571-A
$2.51 $1.764 
F5LY-6571-A
Seal - Valve Stem- DOHC
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 32
- Package Quantity: 4
- Base Number: 6571
- Callout Name: 6571
$2.74 $1.924
F5AZ-6510-A
BUSHING (VALVE GUIDE)Guide - Valve- Machining is required after installation.
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6510
- Callout Name: 6510
$5.64 $3.631
$24.10 $14.104
- SPRING ASY. (VALVE)
F6LZ-6513-AB
Spring - Valve- DOHC
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 32
- Package Quantity: 4
- Base Number: 6513
- Callout Name: 6513
$29.82 $19.194 
XL3Z-6513-AA
Spring - Valve- SOHC
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 16
- Package Quantity: 1
- Callout Name: 6513
- Replaced By: EL3Z-6513-A
$11.58 $7.451
- GROMMET ASY. (VALVE ROCKER ARM COVER ISOLATOR)
XL3Z-6C519-CA
Grommet- Bolt type-incl. grommet-Also incl. in 6582 asy., SOHC
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6C519
- Replaced By: 4C3Z-6C519-AA
$7.20 $5.051 
XL1Z-6C519-AA
Grommet- Also included in 6582 asy; Includes grommet & insert., DOHC
- Fit Note: 8 Cyl 5.4L
- Base Number: 6C519
- Callout Name: 6C519
$13.67 $9.592- XL3Z-6C519-BA
Grommet- Stud; Includes grommet; Also included in valve cover asy., SOHC
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6C519
- Replaced By: 4C3Z-6C519-BA
$8.52 $5.981
- CAMSHAFT ASY.
XL1Z-6250-BA
Camshaft- RH; Intake, DOHC
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6250
- Callout Name: 6250
- Replaced By: YL7Z-6250-AA
$1003.33 $674.241 - XL1Z-6250-CA
Camshaft- LH, DOHC
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6250
- Callout Name: 6250
- Replaced By: YL7Z-6250-BA
$1001.67 $673.121 
YF3Z-6250-AA
Camshaft- RH; Exhaust, DOHC
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6250
- Callout Name: 6250
$893.33 $482.401- YF3Z-6250-DA
Camshaft- LH -Exhaust, DOHC
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6250
- Callout Name: 6250
$1086.67 $730.241 - YL7Z-6250-BA
Camshaft- LH - Intake, DOHC
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6250
- Callout Name: 6250
$1001.67 $673.121 
F6AZ-6250-BA
Camshaft- LH; Cam with pressed on Camshaft gear, SOHC
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6250
- Replaced By: 6C2Z-6250-B
F7TZ-6250-BA
Camshaft- RH; Cam with pressed on Camshaft gear
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6250
- Replaced By: 6C2Z-6250-A
$5.67 $3.313
$3.25 $1.914
- COVER ASY. (VALVE ROCKER ARM)
2F3Z-6582-BA
Cover - Cylinder Head- LH; Unpainted cover. May require paint, DOHC
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6582
- Callout Name: 6582
$95.62 $68.831 - 2L7Z-6582-AA
Cover - Cylinder Head- RH; Unpainted cover. May require paint, DOHC
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6582
- Callout Name: 6582
- GASKET (CYLINDER HEAD)
3U7Z-6051-AA
Gasket - Cylinder Head- RH- 6065 head bolts must be replaced
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6051
- Replaced By: 4C2Z-6051-AA
$88.50 $60.531 
3U7Z-6051-BA
Gasket - Cylinder Head- LH; 6065 head bolts must be replaced
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6051
- Replaced By: 4C2Z-6051-BA
$92.83 $63.501
- VALVE (EXHAUST)
F3LY-6505-A
Valve - Exhaust- DOHC
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6505
- Callout Name: 6505
$34.17 $23.371 
XL3Z-6505-AA
Valve - Exhaust- SOHC
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6505
- Callout Name: 6505
$75.00 $41.181
- VALVE (INTAKE)
F3LY-6507-A
Valve - Inlet- Std., 32V
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6507
- Callout Name: 6507
$34.33 $23.481 
XL3Z-6507-AA
Valve - Inlet- With Horsepower Improved Heads, 2v
- Fit Note: 8 Cyl 5.4L
- Base Number: 6507
- Callout Name: 6507
$70.67 $38.801
F5AZ-6507-A
Valve - Inlet- Std., 16V
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6507
- Callout Name: 6507
- RESTRICTOR ASY. (CYL.HEAD OIL RESERVOIR)
F3LY-6F087-A
Restrictor- 4 Valve
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 6F087
- Replaced By: XR3Z-6F087-AA
$11.27 $7.911 
XR3Z-6F087-AA
Restrictor- Used with YL7Z-6049-AARH heads
- Fit Note: 8 Cyl 5.4L
- Base Number: 6F087
- Callout Name: 6F087
$11.27 $7.911
F6AZ-6L293-AA
BOLT (CAMSHAFT BEARING CAP)Bolt - Bearing Cap - Hex. Head- Fit Note: 8 Cyl 5.4L
- Require Quantity: 13
- Package Quantity: 2
- Base Number: 6L293
- Callout Name: 6L293
$2.38 $1.672
- HEAD (CYLINDER)
2L3Z-6049-BA
Cylinder Head Assy- RH; With valves and cam , 2v
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6049
- Callout Name: 6049
- 2L3Z-6049-DA
Cylinder Head Assy- LH; With valves and cam; NOTE: Must use with new 2L1Z 6K297-AA, 2v
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Base Number: 6049
- Callout Name: 6049
XL3Z-6049-CARM
Cylinder Head Assy- RH; Remanufactured; With cam, valves, head gasket, intake gaskets, valve cover gasket, exhaust gaskets and head bolts., 2v
- Location: Passenger Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6049
- Replaced By: XL3Z-6049-CBRM
- XL3Z-6049-DARM
Cylinder Head Assy- LH; Remanufactured; With cam, valves, head gasket, intake gaskets, valve cover gasket, exhaust gaskets and head bolts., 2v
- Location: Driver Side
- Fit Note: 8 Cyl 5.4L
- Callout Name: 6049
- Replaced By: XL3Z-6049-DBRM
F1AZ-6057-B
INSERT (VALVE SEAT)Insert - Exhaust Valve- Exhaust
Exhaust, 4 Valve - Fit Note: 8 Cyl 5.4L
- Require Quantity: 8
- Package Quantity: 1
- Callout Name: 6057
- Replaced By: XL3Z-6057-HA
- Exhaust
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1999 Lincoln Navigator parts. Parts like Cylinder Head & Related Parts are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.4L. Transmission: 4AT 4R100.