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Crankshaft & Related Parts fit your 1999 Mercury Mountaineer 6 Cyl 4.0L 5-Speed Automatic Transmission 5R55E
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1999 Mercury Mountaineer
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6 Cyl 4.0L; 5-Speed Automatic Transmission 5R55EVehicle Options
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
E7RY-6A340-B
BOLT (CRANKSHAFT PULLEY)Bolt - Flanged Hex.- SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 6A340
- Callout Name: 6A340
$5.96 $4.194
F77Z-6379-AC
BOLT (FLYWHEEL TO CRANKSHAFT)Bolt - Hex.Head- SOHC
- Fit Note: 6 Cyl 4.0L
- Require Quantity: 8
- Package Quantity: 8
- Base Number: 6379
- Callout Name: 6379
$7.08 $4.978
F77Z-6375-AA
FLYWHEEL ASY.Flywheel Assy- 8 Mounting holes, A/T
- Fit Note: 6 Cyl 4.0L
- Base Number: 6375
- Callout Name: 6375
$69.00 $48.021
- GEAR/SPROCKET (CRANKSHAFT)
F77Z-6306-AC
Gear - Crankshaft- Lower Jackshaft sprocket, SOHC; 4x4 only
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6306
- Replaced By: 2L2Z-6306-AA
$48.50 $34.051 - F87Z-6306-BA
Gear - Crankshaft- Lower Jackshaft sprocket, SOHC; 4x2 only
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6306
- Replaced By: 2L2Z-6306-BA
$50.67 $34.661 
F77Z-6306-BE
Gear - Crankshaft- Balance shaft drive sprocket at crankshaft, SOHC; 4x4 only
- Fit Note: 6 Cyl 4.0L
- Base Number: 6306
- Callout Name: 6306
F77Z-6434-AA
SPACER (FLYWHEEL TO CRANKSHAFT)Spacer - Bush- Eight bolt hole attachment, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 6434
- Callout Name: 6434
- PACKING/SEAL (CRANKSHAFT REAR)
F5TZ-6701-A
Seal Assy - Crankshaft Oil- This part has a sleeve that must be used even on a new crankshaft. Also will retrofit all past model engines, including all 2.9l engines, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 6701
- Callout Name: 6701
$43.17 $29.531 
F77Z-6701-BA
Seal Assy - Crankshaft Oil- SOHC
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6701
- Replaced By: F5TZ-6701-A
$43.17 $29.531
- BOLT (CRANKSHAFT MAIN BEARING CAP)
F7TZ-6345-AB
Bolt - Bearing Cap - Hex. Head- Used on Main brg caps., SOHC
- Fit Note: 6 Cyl 4.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6345
- Callout Name: 6345
$18.00 $12.641 
F77Z-6345-BB
Bolt - Bearing Cap - Hex. Head- M8 X 45 - Silver-Used on bulkhead, SOHC
- Fit Note: 6 Cyl 4.0L
- Require Quantity: 2
- Package Quantity: 2
- Base Number: 6345
- Callout Name: 6345
$11.42 $8.012
F77Z-6345-AA
Bolt - Bearing Cap - Hex. Head- M8 X 45 - Black-Used on bulkhead, SOHC
- Fit Note: 6 Cyl 4.0L
- Require Quantity: 6
- Package Quantity: 6
- Base Number: 6345
- Callout Name: 6345
$1.67 $1.176
- PULLEY ASY. (CRANKSHAFT)
$26.60 $15.561 
XL2Z-6312-BA
Pulley - Crankshaft- Alum. pulley and damper assy.-Before 10/31/00
- Fit Note: 6 Cyl 4.0L
- Base Number: 6312
- Callout Name: 6312
- Replaced By: 8L2Z-6B321-C
$246.67 $129.641
- $26.60 $15.561
$16.52 $13.731
- BEARING SET (CRANKSHAFT COMPLETE MAIN)
XW7Z-6D309-EA
Bearing - Crankshaft Main- Complete serv only kit-upper & lower-.25mm/.010 U/S, OHV & SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 6333
- Callout Name: 6D309
$95.69 $70.031 - XW7Z-6D309-DA
Bearing - Crankshaft Main- Complete serv only kit-upper & lower-Std, OHV & SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 6333
- Callout Name: 6D309
XW7Z-6D309-FA
Bearing - Crankshaft Main- Complete serv only kit-upper & lower-.50mm/.020 U/S, OHV & SOHC
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6D309
XW7Z-6D309-GA
Bearing - Crankshaft Main- Complete serv only kit-upper & lower-.75mm/.030 U/S, OHV & SOHC
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6D309
- BEARING (CRANKSHAFT MAIN) UPPERD4ZZ-6333-A
Bearing - Crankshaft Main- Front intermediate, Refer to 6D309 complete kit
Rear, Refer to 6D309 complete kit - Location: Rear
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6333
- Replaced By: XW7Z-6D309-DA
- D4ZZ-6337-A
Bearing - Crankshaft Main Thrust- Rear intermediate, Refer to 6D309 complete kit
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6333
- Replaced By: XW7Z-6D309-DA
FOTZ-6333-A
BEARING (CRANKSHAFT MAIN) LOWERBlue- Lower std., SOHC
- Fit Note: 6 Cyl 4.0L
- Require Quantity: 3
- Package Quantity: 1
- Callout Name: 6333
- Replaced By: XW7Z-6D309-DA
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1999 Mercury Mountaineer parts. Parts like Crankshaft & Related Parts are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0L. Transmission: 5AT 5R55E.