Cylinder Head, Valves And Related Parts fit your 1981 Mercury Cougar 8 Cyl 4.2L 4-Speed Manual Transmission

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1981 Mercury Cougar
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Vehicle Options
8 Cyl 4.2L; 4-Speed Manual Transmission
Vehicle Options
8 Cyl 4.2L; 4-Speed Manual Transmission
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Accelerator Linkage, Air Cleaner & Speed Control
Air Conditioner, Radios & Shock Absorbers
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Body Sides & Quarter
Fenders & Hood
Frame, Exhaust System, Spring & Stabilizer
Front Suspension & Steering
Fuel System & Manifolds
IT Interior Trim Parts
Lamps & Wiring
Manual Transmission
Radiator & Grill
Rear Axle & Drive Shaft
Roof, Back, Luggage Compartment & Tailgate
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Speedometer, Bumpers, Mirrors & Wipers
Wheels & Brakes
Categories Close X

Currently selected

Other Categories

Accelerator Linkage, Air Cleaner & Speed Control
Air Conditioner, Radios & Shock Absorbers
Alternator, Regulator, Battery, Starter & Distributor
Body Front & Floor
Body Sides & Quarter
Fenders & Hood
Frame, Exhaust System, Spring & Stabilizer
Front Suspension & Steering
Fuel System & Manifolds
IT Interior Trim Parts
Lamps & Wiring
Manual Transmission
Radiator & Grill
Rear Axle & Drive Shaft
Roof, Back, Luggage Compartment & Tailgate
SM Body Sheet metal
Seats
Speedometer, Bumpers, Mirrors & Wipers
Wheels & Brakes
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • SPARK PLUG ASY.
    ASF-42-C
    Spark Plug
    • MF (XR7)-C4
      MF EXC. XR7
    • Base Number: ASF-42C
    • Callout Name: 12405
    • Replaced By: ASF-42C-X
    $7.22 $4.53
    1
    Add To Cart
  • ASF-52-C
    Spark Plug
    • Require Quantity: 8
    • Package Quantity: 1
    • Callout Name: 12405
    • Replaced By: ASF-52C-X
    $13.73
    1
    Add To Cart
  • DOWEL
    D1FZ-6397-B
    Sleeve - Guide
    • CLUTCH TO FLYWHEEL
      CLUTCH TO FLYWHEEL , MF M/T
    • Require Quantity: 3
    • Package Quantity: 5
    • Base Number: 6397
    • Callout Name: 6397
    $3.37 $2.36
    5
    Add To Cart
  • EAD-6397-B
    Sleeve - Guide
    • CYL. BLOCK TO FLYWHEEL HSG.
    • Require Quantity: 2
    • Package Quantity: 4
    • Base Number: 6397
    • Callout Name: 6397
    $2.90 $2.04
    4
    Add To Cart
  • ELBOW (HOT WATER HEATER and AIR CONDITIONER CONNECTION)
    Mercury D5ZZ-18599-A
    D5ZZ-18599-A
    Adaptor
    • CONNECTOR - STEEL FOR 5/8" HOSE - CUT TO FIT
    • Callout Name: 18599
    $18.79 $13.75
    1
    Add To Cart
  • D9ZZ-18599-A
    Restrictor
    • CONNECTOR-(1) NIPPLE TOP , MF WITH 2V CARB.
    • Callout Name: 18599
  • Mercury -87838-S101
    -87838-S101
    Plug - Engine
    • (P-15-F) PLUG 3/8-18 SOC. HEX. HEAD , MF W/O A/C
    • Base Number: 87838-S101
    • Callout Name: 18599
  • COVER (CAMSHAFT REAR BEARING)
    E9SZ-6266-A
    Plug
    • (CYL. BLOCK)-CUP TYPE-2 1/4" O.D.
    • Base Number: 6266
    • Callout Name: 6266
    $67.50 $46.98
    2
    Add To Cart
  • Mercury C2OZ-6266-B
    C2OZ-6266-B
    Cover
    • STD.-2.15" THICK
    • Base Number: 6266
    • Callout Name: 6266
  • COVER (CYLINDER FRONT)
    -388433-S2
    Stud 5/16-18-3/8-16X5.40 Hex S
    • (WW-123-KK)-STUD (6019 & 8501 TO BLOCK)- 5/16"-18 X 3/8"-16 X 5.40" HEX.
    • Require Quantity: 3
    • Package Quantity: 1
    • Base Number: 388433-S2
    • Callout Name: 6019
    $15.00 $13.73
    1
    Add To Cart
  • Mercury -388192-S
    -388192-S
    Pin 0.48X0.56 Slotted Spg Spl
    • (NN-124-E)-PIN (FRONT COVER TO BLOCK)-1/2" O.D.- 7/16" I.D. X 9/16" LONG-SPLIT DOWEL
      (NN-124-E)-PIN (FRONT COVER TO BLOCK)-1/2" OD- 7/16" ID X 9/16" LONG-SPLIT DOWEL
    • Base Number: 388192-S
    • Callout Name: 6019
    $13.73
    2
    Add To Cart
  • -388434-S2
    Stud 3/8-16-5/16-18X 6.6 Hex S
    • (WW-123-KL) STUD-(8501 &6019 TO 6010)-3/8-16-5/16-18X6.60
    • Base Number: 388434-S2
    • Callout Name: 6019
    • Replaced By: -388433-S2
    $15.00 $13.73
    1
    Add To Cart
  • Mercury -388551-S2
    -388551-S2
    Stud 5/16-18-18X3.34 Hex Shield
    • (WW-135-C) Stud-(6019 to 6010)-5/16-18x3.09
    • Base Number: 388551-S2
    • Callout Name: 6019
    $18.75 $13.73
    1
    Add To Cart
  • Mercury -300958-S
    -300958-S
    Bolt
    • (B-73-B) - bolt (cover to block)-5/16"-24 x 5"- hole No. 13
    • Require Quantity: 2
    • Package Quantity: 1
    • Base Number: 300958-S
    • Callout Name: 6019
  • Mercury -388552-S8
    -388552-S8
    Stud 5/16-18-18X3.09
    • (WW-135-AN) STUD-(6019 TO 6010)-5/16-18X3.34
    • Base Number: 388552-S8
    • Callout Name: 6019
  • Mercury -391400-S
    -391400-S
    Bolt
    • (BB-544-A) Bolt-(6019 to 6010)-5/16-18x .88
    • Base Number: 376255-S
    • Callout Name: 6019
  • Mercury -56526-S36
    -56526-S36
    Bolt 5/16 18X2 00 Hex Flange
    • (B-319-W)-BOLT (COVER TO BLOCK)-HEX. WASHER HD.- 5/16"-18 X 2"
      (B-319-W)-bolt (cover and timing pointer to block)-5/16"-18 x 2"-hex. hd.
    • Callout Name: 6019
  • Mercury -N602529-S2
    -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
  • Mercury E7PZ-6019-A
    E7PZ-6019-A
    Cover - Front
    • ALL W/EEC W/O DIPSTICK HOLE IN FRT. COVER , INCL. PLUG FOR VEHICLES W/ DIPSTICK HOLE IN CYL. BLOCK-USED W/O TBI CARBURETION
      INCL. PLUG FOR VEHICLES W/ DIPSTICK HOLE IN CYL. BLOCK-USED W/O TBI CARBURETION
    • Callout Name: 6019
  • Mercury E8ZZ-6026-A
    E8ZZ-6026-A
    Plug
    • (PP-4) - PLUG (HOLE IN FRONT COVER) - BUTTON
    • Callout Name: 6019
    • Replaced By: -377936-S
  • HEAD (CYLINDER)
    F1ZZ-6026-B
    Plug - Engine
    • (P-15) PLUG (FRT. & RR. OIL GALLEY IN 6049)-HEX. RECESSED-1/4"-18
    • Base Number: 87837-S
    • Callout Name: 6049
    $0.99 $0.69
    2
    Add To Cart
  • Mercury -351418-S
    -351418-S
    Insert
    • (UU-136) - INSERT (PLUG T/E HOLE IN HD)- 5/8"- 11 X 7/16"-14 X 1 1/8"-ALSO REFER TO 6E086
      (UU-136)-INSERT (REDUCER FOR HOLES IN HEAD)-5/8"-11 X 7/16" - 14 X 1 1/8"
      (UU-136)-Insert (reducer for holes in head)-5/8"-11 x 7/16"-14 x 1 1/8"
    • Require Quantity: 2
    • Package Quantity: 1
    • Callout Name: 6049
  • Mercury -376301-S
    -376301-S
    Plug - Expansion
    • (PD-67-A)-PLUG (CYL. HEAD THERMACTOR HOLES)-1/2"
    • Require Quantity: 2
    • Package Quantity: 1
    • Base Number: 376301-S
    • Callout Name: 6049
  • 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 $1.24
    4
    Add To Cart
  • E1FZ-6026-C
    Plug - Engine
    • (CYLINDER HEAD HOLES)-EXP. CUP 18.22 X 6MM
    • Require Quantity: 4
    • Package Quantity: 1
    • Base Number: 6026
    • Callout Name: 6026
    $2.72 $1.96
    1
    Add To Cart
  • F1ZZ-6026-B
    Plug - Engine
    • USE TO PLUG HOLES IN 6010 OR 6049-1/4"-18
    • Base Number: 87837-S
    • Callout Name: 6026
    $0.99 $0.69
    2
    Add To Cart
  • F6AZ-6026-BA
    Plug - Engine
    • (CYL. HEAD HOLES)-CUP TYPE 1.50" O.D.
      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 $4.02
    2
    Add To Cart
  • Mercury -371485-S
    -371485-S
    Plug - Engine
    • (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"
      (PP-48-A)-PLUG (CORE CLEAN OUT HOLES)-PIPE-3/4"-14
    • Require Quantity: 7
    • Package Quantity: 1
    • Callout Name: 6026
    • Replaced By: F2ZZ-6026-A
    $18.75 $13.73
    1
    Add To Cart
  • E6DZ-6026-C
    Plug - Engine
    • (CORE HOLES IN BLOCK)-1.62" O.D.
    • Require Quantity: 3
    • Package Quantity: 4
    • Callout Name: 6026
    • Replaced By: 2R3Z-6026-AA
    $10.83 $7.61
    4
    Add To Cart
  • Mercury -352532-S2
    -352532-S2
    Plug
    • (PP-60)-PLUG (OIL LEVEL IND. HOLE)-CUP
    • Require Quantity: 25
    • Package Quantity: 1
    • Callout Name: 6026
  • Mercury -376301-S
    -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"
    • Require Quantity: 3
    • Package Quantity: 1
    • Base Number: 376301-S
    • Callout Name: 6026
  • Mercury -87838-S101
    -87838-S101
    Plug - Engine
    • (CYL. BLOCK)-PIPE TYPE (P-15-F)-3/8-18 X 3/8
      (CYL. HEAD)-PIPE TYPE (P-15-F)-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
  • Mercury C5AZ-6026-F
    C5AZ-6026-F
    Plug - Engine
    • CYL. BLOCK-CUP TYPE-1 11/16 " O.D.
    • Base Number: 6026
    • Callout Name: 6026
  • Mercury C5AZ-6026-H
    C5AZ-6026-H
    Plug - Engine
    • .060" O/S FOR STD. C5AZ 6026-J
      .060" O/S FOR STD. C5AZ-6026-J
    • Callout Name: 6026
  • Mercury C5AZ-6026-J
    C5AZ-6026-J
    Plug - Engine
    • CUP TYPE - 2.072" OD - HOLE IN REAR OF BLOCK
      CUP TYPE-2.072" O.D.-CORE HOLES IN BLOCK
    • Base Number: 6026
    • Callout Name: 6026
  • Mercury C8AZ-6026-D
    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
  • BLOCK ASY. (CYLINDER)
    F1ZZ-6026-B
    Plug - Engine
    • (P-15) PLUG CYL. BLOCK - 1/4-18 RR
    • Base Number: 87837-S
    • Callout Name: 6010
    $0.99 $0.69
    2
    Add To Cart
  • Mercury -352532-S2
    -352532-S2
    Plug
    • (PP-60)-PLUG (OIL LEVEL INDICATOR HOLE FRT OR RR)-CUP
    • Require Quantity: 25
    • Package Quantity: 1
    • Callout Name: 6010
  • PUMP ASY. (WATER) - W/O PULLEY
    -388433-S2
    Stud 5/16-18-3/8-16X5.40 Hex S
    • (WW-123-KK) STUD (PUMP TO BLK.) 3/8"-16-5/16-18 X 5.4
    • Base Number: 388433-S2
    • Callout Name: 8501
    $15.00 $13.73
    1
    Add To Cart
  • Mercury -388432-S2
    -388432-S2
    Stud
    • (WW-123-KJ) Stud (pump to frt. cvr.) 3/8"-16-5/16-18 x 3.5"
    • Require Quantity: 2
    • Package Quantity: 1
    • Base Number: 388432-S2
    • Callout Name: 8501
    $18.75 $13.73
    1
    Add To Cart
  • -388434-S2
    Stud 3/8-16-5/16-18X 6.6 Hex S
    • (WW-123-KL) Stud (pump to cvr. to blk.) 3/8"-16-5/16-18 x 6.6
    • Base Number: 388434-S2
    • Callout Name: 8501
    • Replaced By: -388433-S2
    $15.00 $13.73
    1
    Add To Cart
  • -388895-S2
    Clamp&U Bolt 2.5 Assembly
    • (BB-277-F) BOLT (PUMP TO BLK.) 5/16"-18 X 4" HEX. HD.
    • Require Quantity: 2
    • Package Quantity: 1
    • Base Number: 388895-S2
    • Callout Name: 8501
  • Mercury E6AZ-8501-B
    E6AZ-8501-B
    Pump Assy - Water
    • INCL ALUMINUM (1) E2ZZ 8507-A GSKT
    • Base Number: 8501
    • Callout Name: 8501
  • 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
    $0.99 $0.69
    2
    Add To Cart
  • MANIFOLD (EXHAUST)
    -388718-S2
    Stud 7/16-14-14 X 2.06 Hex S
    • (WW-98-AH)-STUD (EXHAUST MANIFOLD TO INLET PIPE) 7/16"-14-14 X 2" HEX SHOULDER
    • Require Quantity: 4
    • Package Quantity: 2
    • Base Number: 388718-S2
    • Callout Name: 9430
    $13.73
    2
    Add To Cart
  • Mercury -387039-S60
    -387039-S60
    Nut - Hex.
    • (MM-169-LC)-NUT (INLET PIPE TO MANIFOLD) 7/16"-14
      (MM-169-LC)-NUT (INLET PIPE TO MANIFOLD) 7/16"-14 , 250
    • Base Number: 387039-S7
    • Callout Name: 9430
  • THERMOSTAT (WATER)
    Mercury F5DZ-8575-A
    F5DZ-8575-A
    Thermostat Assy
    • 351W , Thermostat
      351W GASKET HAS AN ADHESIVE BACK , Thermostat
    • Callout Name: 8575
    • Replaced By: YF1Z-8575-BA
    $15.38 $13.73
    1
    Add To Cart
  • Mercury C9AZ-8255-A
    C9AZ-8255-A
    Gasket
    • Gasket
    • Base Number: 8255
    • Callout Name: 8575
  • Mercury -388192-S
    -388192-S
    HARDWARE
    Pin 0.48X0.56 Slotted Spg Spl
    • Base Number: 388192-S
    • Callout Name: 388192-S
    $13.73
    2
    Add To Cart
  • Mercury -388469-S
    -388469-S
    HARDWARE
    Stud
    • Base Number: 388469-S
    • Callout Name: 388469-S
    $41.63
    6
    Add To Cart
  • INSERT (OIL FILTER MOUNTING)
    E73Z-6890-A
    Insert
    • Base Number: 6890
    • Callout Name: 6890
    $23.11 $12.17
    1
    Add To Cart
  • F1AZ-6890-B
    Insert
    • Base Number: 6890
    • Callout Name: 6890
    $63.78 $32.72
    1
    Add To Cart
  • Mercury E8ZZ-6890-A
    E8ZZ-6890-A
    Insert
    • Require Quantity: 2
    • Package Quantity: 1
    • Base Number: 6890
    • Callout Name: 6890
  • Mercury -34807-S8
    -34807-S8
    HOUSING ASY. (FLYWHEEL)
    Lockwasher
    • (X-66)-LOCKWASHER (HOUSING TO BLOCK)-3/8" , ALL M/T
    • Require Quantity: 4
    • Package Quantity: 1
    • Base Number: 34807-S8
    • Callout Name: 6392
  • -388058-S
    MANIFOLD (INTAKE)
    Bolt
    • (BB-545-BB)-bolt (intake manifold to block) hex washer hd.-5/16-18 x 2"
    • Callout Name: 9424
    • Replaced By: -388058-S8
  • CONNECTOR (CRANKCASE VENTILATION HOSE)
    C8AZ-6767-B
    Plug
    • 90 DEGREE-5/8"-FILLER CAP TO HOSE
    • Base Number: 6767
    • Callout Name: 6767
  • E1FZ-6767-B
    Adaptor
    • STRAIGHT TYPE-ATT. TO CYL. BLOCK
    • Callout Name: 6767
  • Mercury E1TZ-12A406-A
    E1TZ-12A406-A
    SHIELD (SPARK PLUG HEAT)
    Shield
    • MF (XR7)-CALIF. EMISSION STANDARDS , RH & LH
    • Location: Passenger Side & Driver Side
    • Require Quantity: 2
    • Package Quantity: 1
    • Base Number: 12A406
    • Callout Name: 12A406
  • GASKET (CARBURETOR) - ALSO REFER TO GROUP 9A589
    Mercury E5HZ-9C477-A
    E5HZ-9C477-A
    Gasket
    • CARB. TO SPACER , MF WITH CAST IRON INTAKE MANIFOLD
    • Base Number: 9C477
    • Callout Name: 9447
  • Mercury E5SZ-9447-A
    E5SZ-9447-A
    Gasket
    • MF WITH CAST IRON INTAKE MANIFOLD , SPACER TO MANFLD.
    • Base Number: 9447
    • Callout Name: 9447
  • Mercury F1SZ-6675-B
    F1SZ-6675-B
    PAN ASY. (OIL)
    Pan Assy - Engine Oil
    • ALL W/O LOW OIL SENSOR , THIS OIL PAN REQUIRES ONE PIECE 6710 GASKET
      THIS OIL PAN REQUIRES ONE PIECE 6710 GASKET
    • Base Number: 6675
    • Callout Name: 6675
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1981 Mercury Cougar parts. Parts like Cylinder Head, Valves 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: 8 Cyl 4.2L. Transmission: 4MT.