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Crankshaft, Flywheel And Related Parts fit your 1981 Ford Bronco 6 Cyl 4.9L 4-Speed Manual Transmission
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1981 Ford Bronco
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6 Cyl 4.9L; 4-Speed Manual TransmissionVehicle Options
6 Cyl 4.9L; 4-Speed Manual TransmissionCategories Close X
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
E6DZ-6700-A
SEAL (CYLINDER FRONT COVER OIL)Seal Assy - Crankshaft Oil - Front- Base Number: 6700
- Callout Name: 6700
$33.00 $23.171
- PULLEY IDENTIFICATION CHART
$173.33 $118.561 
- GEAR (FLYWHEEL RING)
$71.63 $52.421 
- BOLT (CRANKSHAFT MAIN BEARING CAP)
D9HZ-6345-A
Bolt- Stud-3/8" - 16-1/2"-13 x 5"-hex shoulder- also attaches oil pump screen tube and cover assy.
- Base Number: 6345
- Callout Name: 6345
$34.42 $24.162 
C2OZ-6345-A
Bolt - Bearing Cap- 4/W/D exc. No. 3 cap-R.H. side. , 7/16"-14 x 3 5/32"
7/16"-14 x 3 5/32" -hex. head-7/16" - Require Quantity: 13
- Package Quantity: 1
- Callout Name: 6345
- C6TZ-6345-C
Bolt - Bearing Cap - Hex. Head- 4/W/D No. 3 cap-R.H. side
Stud (attach oil pump screen to bearing cap)- 3/8"-16 x 7/16"-14 x 4 3/32" - Base Number: 6345
- Callout Name: 6345
-388907-S
SPROCKET (CRANKSHAFT)Key- (LL-17-A)-key (sprocket to crankshaft) , STANDARD PART
- Callout Name: 6306
- Replaced By: F6ZZ-6B316-A
$14.58 $10.246
- FLYWHEEL ASSY.
D5TZ-6375-A
Flywheel Assy- 164 tooth ring gear - (4) attaching holes on 11 13/32" bolt circle , C6
- Base Number: 6375
- Callout Name: 6375
$83.33 $57.001 - -378941-S7-8
No Description Available- (MM-169-H)-Nut (flywheel to converter)-3/8"-24 r/b 378941-S7 , STANDARD PART C6 A/T
(MM-169-H)-nut (flywheel to converter)-3/8"-24 , STANDARD PART C6
(MM-169-H)-nut (flywheel to converter)-3/8"-24 , STANDARD PART C6 A/T - Require Quantity: 4
- Package Quantity: 1
- Callout Name: 6375
E7AZ-6701-A
PACKING (CRANKSHAFT REAR)Seal Assy - Crankshaft Oil- r/b F1TZ 6701-A
- Base Number: 6701
- Callout Name: 6701
$40.58 $20.791
B8A-6378-A
WASHER (CRANKSHAFT PULLEY RETAINING)Nut - Hex. - Self-Locking- 21/32" I.D. x 1 3/4" O.D. x 7/32" thick
- Callout Name: 6378
- Replaced By: F67Z-6378-AA
$16.67 $11.701
D8TZ-7600-A
BEARING (CLUTCH PILOT)Sleeve- Needle type , TRANS. SPD:All
- Base Number: 7600
- Callout Name: 7600
$8.05 $5.651
- -377850-S
PULLEY ASSY. (CRANKSHAFT)Bolt- (BB-273-A)-bolt (6312 to crankshaft)-5/8"-18 x 2" , STANDARD PART
- Base Number: 377850-S
- Callout Name: 6312
- BOLT (FLYWHEEL TO CRANKSHAFT)-378941-S7-8
No Description Available- (MM-169-H)-nut (flywheel to converter)-3/8"-24 , STANDARD PART C6 A/T
- Require Quantity: 4
- Package Quantity: 1
- Callout Name: 6379
D2AZ-6379-A
Bolt- 7/16"-20 x 1.06" hex hd.-r/b F1ZZ 6379-A
M/T, r/b F1ZZ 6379-A
M/T, r/b F1ZZ 6379-A 7/16"-20 x 1 1/16" - Require Quantity: 6
- Package Quantity: 1
- Callout Name: 6379
- Replaced By: F1ZZ-6379-A
D2AZ-6379-B
Bolt - Hex.Head- 7/16"-20 x 23/32" , A/T
7/16"-20 x 23/32" used without 6A366 plate , A/T
7/16"-20 x 3/4" , A/T - Require Quantity: 6
- Package Quantity: 1
- Base Number: 6379
- Callout Name: 6379
C3AZ-6337-AF
BEARING (CRANKSHAFT MAIN)Bearing Main- Size O.D.: Std. Size I.D.: .030" LOWER CENTER
- Location: Lower Center
- Callout Name: 6337
- BEARING (CRANKSHAFT MAIN)C3AZ-6337-AF
Bearing Main- Size O.D.: Std. Size I.D.: .030" LOWER CENTER
- Location: Lower Center
- Callout Name: 6333
C5TZ-6333-AC
Bearing - Crankshaft Main- Size O.D.: Std. Size I.D.: .002" U/S LOWER CENTER
Size O.D.: Std. Size I.D.: .002" U/S LOWER FRONT
Size O.D.: Std. Size I.D.: .002" U/S LOWER FRONT INTERMEDIATE
Size O.D.: Std. Size I.D.: .002" U/S LOWER REAR
Size O.D.: Std. Size I.D.: .002" U/S LOWER REAR INTERMEDIATE - Location: Lower Center
Lower Front
Lower Rear - Callout Name: 6333
D4FZ-6333-A
Bearing - Crankshaft Main- Size O.D.: Std. "Before 7/12/83" Size I.D.: Std. UPPER CENTER
Size O.D.: Std. "Before 7/12/83" Size I.D.: Std. UPPER FRONT
Size O.D.: Std. "Before 7/12/83" Size I.D.: Std. UPPER FRONT INTERMEDIATE
Size O.D.: Std. "Before 7/12/83" Size I.D.: Std. UPPER REAR
Size O.D.: Std. "Before 7/12/83" Size I.D.: Std. UPPER REAR INTERMEDIATE - Location: Upper Center
Upper Front
Upper Rear - Base Number: 6333
- Callout Name: 6333
- D4FZ-6337-A
Bearing - Crankshaft Main Thrust- Size O.D.: Std. "Before 7/12/83" Size I.D.: Std. UPPER REAR INTERMEDIATE
- Callout Name: 6333
- D4FZ-6337-B
Bearing - Crankshaft- Size O.D.: Std. "Before 7/12/83" Size I.D.: .001" U/S UPPER REAR INTERMEDIATE
- Callout Name: 6333
- D4FZ-6337-G
Bearing-Crankshaft Mn Thr-Lw- Size O.D.: Std. Size I.D.: Std. LOWER REAR INTERMEDIATE
- Callout Name: 6333
D4FZ-6337-H
Bearing - Crankshaft- Size O.D.: Std. Size I.D.: .001" U/S LOWER REAR INTERMEDIATE
- Callout Name: 6333
E6TZ-6701-A
SEAL (CRANKSHAFT REAR)Seal Assy - Crankshaft Oil- Require Quantity: 2
- Package Quantity: 1
- Base Number: 6701
- Callout Name: 6701
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1981 Ford Bronco parts. Parts like Crankshaft, Flywheel And 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 4.9L. Transmission: 4MT.