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Cylinder Block & Plugs fit your 1986 Mercury Marquis 6 Cyl 3.8L 3-Speed Automatic Transmission C3
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1986 Mercury Marquis
Change VehicleVehicle Options
6 Cyl 3.8L; 3-Speed Automatic Transmission C3Vehicle Options
6 Cyl 3.8L; 3-Speed Automatic Transmission C3Categories Close X
Currently selected
Engine
- Camshaft Gear And Bearings
- Crankshaft And Flywheel
- Cylinder Block & Plugs
- Cylinder Block - External Parts
- Cylinder Block - Internal Parts
- Cylinder Block Crankcase Ventilation System
- Cylinder Head, Valves And Related Parts
- Engine Supports
- Engine Supports - Piston And Connecting Rod
- Engine Supports Oil Filter (Spin-On Type)
- Engine Supports Oil Pump
- Engine Supports Valves, Push Rods And Rocker Arm Cover
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
- DOWEL (CYLINDER HEAD TO CYLINDER BLOCK)
$7.42 $5.21 
- DOWEL
D1FZ-6397-B
Sleeve - Guide- ALL MTX , CLUTCH TO FLYWHEEL
CLUTCH TO FLYWHEEL , MG M/T
CYL BLOCK TO FLYWHEEL HSG - Require Quantity: 3
- Package Quantity: 5
- Base Number: 6397
- Callout Name: 6397
$3.37 $2.365 
EAD-6397-B
Sleeve - Guide- CYL. BLOCK TO FLYWHEEL HSG.
- Require Quantity: 2
- Package Quantity: 4
- Base Number: 6397
- Callout Name: 6397
$2.90 $2.044
E43Z-6397-A
Dowel- CYL. BLOCK TO FLYWHEEL HSG.
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 6397
- Callout Name: 6397
- COVER (CAMSHAFT REAR BEARING)
E9SZ-6266-A
Plug- 2 REQD-REAR CAMSHAFT HOLE & REAR BALANCE SHAFT HOLE IN BLOCK
- Require Quantity: 2
- Package Quantity: 2
- Base Number: 6266
- Callout Name: 6266
$69.09 $48.082
- PLUG (ENGINE)
-376099-S
Obsolescence - Policy- (PP-73-A)-PLUG (REAR HOLES IN BLOCK)-CUP TYPE-3/4"
(PP-73-A)-PLUG (REAR HOLES IN BLOCK)-CUP-3/4" - Callout Name: 6026
- Replaced By: -W720518-S437U
$2.13 $1.244 
F1ZZ-6026-B
Plug - Engine- USE TO PLUG HOLES IN 6010 OR 6049-1/4"-18
- Base Number: 87837-S
- Callout Name: 6026
$3.18 $2.232
F6AZ-6026-BA
Plug - Engine- CYL. HEAD REAR-(1.50")-CUP
Cup- 1.50" OD -core holes in block
HOLES IN BLOCK AND HEAD - CUP TYPE - STD. 1.50" O.D.
PLUG CORE HOLES IN BLK OR HD.-STD.-1.50" O.D. - Base Number: 6026
- Callout Name: 6026
$5.73 $4.022
-371485-S
Plug - Engine- (PP-48-A) PIPE PLUG (CYL. BLOCK & HEAD) - 3/4"-14
(PP-48-A)-PLUG (CORE CLEAN OUT HOLES IN CYL HD)-PIPE-3/4"-14
(PP-48-A)-PLUG (CORE CLEAN OUT HOLES IN CYL HD.)-HEX. C/SUNK-3/4"-14 X 17/32" - Require Quantity: 5
- Package Quantity: 1
- Callout Name: 6026
- Replaced By: F2ZZ-6026-A
$18.75 $13.731
E6DZ-6026-C
Plug - Engine- CORE HOLES IN CYL.HEAD -CUP 1.62" OD
- Require Quantity: 2
- Package Quantity: 4
- Callout Name: 6026
- Replaced By: 2R3Z-6026-AA
$10.83 $7.614
E7GZ-6026-A
Plug - Expansion- CUP TYPE 30MM-CYL HD,CYL BLK & I/MAN.
- Require Quantity: 6
- Package Quantity: 1
- Callout Name: 6026
$18.75 $13.731
- -376301-S
Plug - Expansion- (PP-67-A)-PLUG (FRONT MAIN OIL GALLERY AND CYL. BLOCK OIL PASSAGES)-CUP TYPE-1/2"
(PP-67-A)-PLUG (FRONT MAIN OIL GALLERY AND OIL PASSAGES)-CUP-1/2" - Base Number: 376301-S
- Callout Name: 6026
$0.00 
-87838-S101
Plug - Engine- (CYL. BLOCK)-PIPE TYPE (P-15-F)-3/8-18 X 3/8
(P-15-F) pipe - Cyl. head & manifold - 3/8-18 x 3/8
Cyl. block-Pipe type (P-15-F)-3/8-18 x 3/8 - Base Number: 87838-S101
- Callout Name: 6026
- C5AZ-6026-F
Plug - Engine- .060 O/S for E6DZ-6026-C-plug core holes in 6049
- Base Number: 6026
- Callout Name: 6026
- C5AZ-6026-J
Plug - Engine- CUP TYPE - 2.072" OD - HOLE IN REAR OF BLOCK
- Base Number: 6026
- Callout Name: 6026
- C8AZ-6026-D
Plug - Engine- .060" O/S FOR STD. D7AZ 6026-A OR E6DZ 6026-B
.060" O/S FOR STD. D7AZ-6026-A OR E6DZ-6026-B - Callout Name: 6026
C8SZ-6026-A
Plug - Engine- CYL. BLOCK - 1 FRONT & 1 REAR - (5/8"-18) PIPE
CYL. BLOCK FRONT-PIPE 5/8 X 18 - Require Quantity: 2
- Package Quantity: 1
- Base Number: 6026
- Callout Name: 6026
DOZZ-6026-B
Plug - Engine- PLUG T/E HOLES IN HEAD -CUP .66" OD
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 6026
- E43Z-6026-F
Cover- PLUG CYL. BLOCK -CUP TYPE-2 R.H., 3 L.H.-APPROX. 40MM O.D.
- Require Quantity: 5
- Package Quantity: 1
- Callout Name: 6026
- E7DZ-6026-B
Plug - Engine- CYL. BLOCK (1 3/4") CUP
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 6026
- Callout Name: 6026
- BLOCK ASY. (CYLINDER)
$3.18 $2.232 
E63Z-6010-B
Block Assembly Cylinder- THIS BLOCK REQS. E6DZ 6266-A TO PLUG CM/SHAFT HOLE
- Callout Name: 6010
- F1ZZ-6026-B
HEAD (CYLINDER)Plug - Engine- (P-15) PLUG (FRT. & RR. OIL GALLEY IN 6049)-HEX. RECESSED-1/4"-18
- Base Number: 87837-S
- Callout Name: 6049
$3.18 $2.232
- F1ZZ-6026-B
CAMSHAFT ASY.Plug - Engine- (P-15) PLUG (GALLEY IN 6250)-1/4-18 X .41" PIPE
- Base Number: 87837-S
- Callout Name: 6250
$3.18 $2.232
- MANIFOLD (INTAKE)
-390589-S8
Stud-5/16-18-18X2.625 Hex Shield- (WW-161-)stud(att 9424)5/16-18-18 X 2.65 hex shoulder
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 390589-S8
- Callout Name: 9424
$18.75 $13.731 
- -389199-S36
Stud 5/16-18-18X2.98 Shield- (WW-161-F)STUD(ATT. 9424)5/16-18-18X 2.98 HEX SHOULDER
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 389199-S36
- Callout Name: 9424
-390358-S8
Bolt 5/16-18X1.75 He- (BB-551-BM)bolt(att. 9424)5/16-18X1-3/4 hex flange
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 390358-S8
- Callout Name: 9424
- -390653-S309
Bolt - Flanged Hex.- (BB-551-DY)BOLT(ATT. 9424)5/16-18 X 6.07 HEX FLANGE
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 390653-S8
- Callout Name: 9424
- COVER (CYLINDER FRONT)
-N602529-S2
Screw- (AB-53-A) BOLT (LWR CVR. TO 6010)-M6 X 20 (METRIC COARSE)
- Require Quantity: 4
- Package Quantity: 1
- Base Number: N602529-S2
- Callout Name: 6019
E3ZZ-6019-B
Cover Assy - Cylinder Block Front- INNER - PLASTIC CVR.
- Base Number: 6019
- Callout Name: 6019
- E8ZZ-6026-A
Plug- (PP-4) - PLUG (HOLE IN FRONT COVER) - BUTTON
- Callout Name: 6019
- Replaced By: -377936-S
- BOLT OR STUD (CRANKSHAFT MAIN BEARING CAP)
C2OZ-6345-A
Bolt - Bearing Cap- Hex. head - 7/16" -14 x 3 5/32"
- Require Quantity: 10
- Package Quantity: 1
- Callout Name: 6345
C6TZ-6345-C
Bolt - Bearing Cap - Hex. Head- Stud - Att. screen & cvr to brg. cap - 3/8" -16 7/16" x 14 - 4 3/32"
- Base Number: 6345
- Callout Name: 6345
D4FZ-6345-A
Bolt - Bearing Cap - Hex. Head- M12 - 1.75 X 80
- Require Quantity: 9
- Package Quantity: 1
- Base Number: 6345
- Callout Name: 6345
- E5ZZ-6345-A
Bolt - Bearing Cap - Hex. Head- Stud - M12 - M10 x 109
- Base Number: 6345
- Callout Name: 6345
D4FZ-6261-C
BEARING (CAMSHAFT)Bearing - Camshaft- STD. ID AND OD
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 6261
- Callout Name: 6261
- F3TZ-6261-AA
BEARING (CAMSHAFT FRONT)Bearing - Camshaft- STD. ID & OD
- Base Number: 6261
- Callout Name: 6261
F3TZ-6267-AA
BEARING (CAMSHAFT FRONT INTERMEDIATE)Bearing - Camshaft- STD. ID & OD
- Base Number: 6267
- Callout Name: 6267
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1986 Mercury Marquis parts. Parts like Cylinder Block & Plugs are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.8L. Transmission: 3AT C3.