My Account About Us Help Desk
Go-Parts
Account About Us Help Desk
Cart 0
Your cart is empty
Add an item to see it appear here.

Mercury Cougar Engine Expansion Plug Kit Replacement

1
SELECT Year
  1. ✓ In Stock 1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-128-R
    $13.80 View part →
  2. ✓ In Stock 1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-128
    $14.02 View part →
  3. ✓ In Stock 1980-1982 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1980-1982 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-105-R
    $15.97 View part →
  4. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Dorman)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Dorman)

    Partslink #: 557-009

    Steel Piston; Packaging Type: Card Dorman - AutoGrade - Carded Package Quantity: 1 Package Contents: 15 Expansion Plugs; 4 Pipe Plugs

    $16.49 View part →
  5. ✓ In Stock 1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-125
    $17.03 View part →
  6. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-108-R
    $17.24 View part →
  7. ✓ In Stock 1994-1997 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1994-1997 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-280

    Includes: 38mm Block Plugs

    $17.89 View part →
  8. ✓ In Stock 1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-125-R
    $18.55 View part →
  9. ✓ In Stock 1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-109
    $18.73 View part →
  10. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-110-R
    $20.12 View part →
  11. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-108
    $20.77 View part →
  12. ✓ In Stock 1994-1997 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1994-1997 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-846

    With 1-1/2" Block Plugs

    $21.46 View part →
  13. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-110
    $21.87 View part →
  14. ✓ In Stock 1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-128-BR
    $22.30 View part →
  15. ✓ In Stock 1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1981-1986 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-128-B
    $22.78 View part →
  16. ✓ In Stock 1994-1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1994-1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPH-1R

    Steel; Cylinder Head Plug Kit For Standard And Power Improved Cylinder Heads Except Aluminum Cylinder Block

    $28.84 View part →
  17. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Motormite)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Motormite)

    Partslink #: 02653

    Steel Piston; Packaging Type: Card Dorman - AutoGrade - Expand-Tite! Package Quantity: 1 Package Contents: 10 Steel Expansion Plugs; 4 Steel Pipe Plugs

    $28.91 View part →
  18. ✓ In Stock 1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-818R

    Steel

    $31.28 View part →
  19. ✓ In Stock 1980-1982 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1980-1982 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-105R

    Steel

    $32.41 View part →
  20. ✓ In Stock 1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-109-B
    $32.88 View part →
  21. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-108R

    Steel

    $33.09 View part →
  22. ✓ In Stock 1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-109-BR
    $33.19 View part →
  23. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-108-B
    $34.52 View part →
  24. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-110R

    Steel; Standard Plug Kit

    $34.62 View part →
  25. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-108-BR
    $34.89 View part →
  26. ✓ In Stock 1968-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1968-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: 830004
    $36.43 View part →
  27. ✓ In Stock 1994-1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1994-1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-280R

    Steel

    $37.08 View part →
  28. ✓ In Stock 1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-125-B
    $37.49 View part →
  29. ✓ In Stock 1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1972-1978 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: 830005
    $37.64 View part →
  30. ✓ In Stock 1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-125-BR
    $37.86 View part →
  31. ✓ In Stock 1968-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1968-1993 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-608-BR
    $38.23 View part →
  32. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-610R

    Steel Deep Cup Plug Kit

    $38.64 View part →
  33. ✓ In Stock 1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-609R

    Steel Deep Cup Plug Kit

    $39.90 View part →
  34. ✓ In Stock 1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-109R

    Steel; Standard Plug Kit

    $40.44 View part →
  35. ✓ In Stock 1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1970-1976 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: 830012
    $40.49 View part →
  36. ✓ In Stock 1980-1982 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1980-1982 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-105-BR
    $40.69 View part →
  37. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-110-B
    $42.82 View part →
  38. ✓ In Stock 1967-1969 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1967-1969 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: 830006
    $42.82 View part →
  39. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-108BR

    Brass

    $43.64 View part →
  40. ✓ In Stock 1982-1997 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    1982-1997 Mercury Cougar Engine Expansion Plug Kit (Pioneer Cable)

    Partslink #: PE-177-B
    $45.79 View part →
  41. ✓ In Stock 1982-1996 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1982-1996 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-177R

    Steel

    $46.31 View part →
  42. ✓ In Stock 1982-1996 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1982-1996 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-842R

    Steel; Also Contains 1 MPS-175 For Balance Shaft

    $48.15 View part →
  43. ✓ In Stock 1980-1982 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1980-1982 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-105BR

    Brass

    $49.43 View part →
  44. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-110BR

    Brass; Standard Plug Kit

    $49.55 View part →
  45. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Motormite)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Motormite)

    Partslink #: 02663

    Brass; Packaging Type: Card Dorman - AutoGrade - Expand-Tite! Package Quantity: 14 Package Contents: 4 Steel Pipe Plugs; 10 Brass Expansion Plugs

    $50.35 View part →
  46. ✓ In Stock 1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-109BR

    Brass; Standard Plug Kit

    $50.62 View part →
  47. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Dorman)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Dorman)

    Partslink #: 567-009

    Brass; Packaging Type: Card Dorman - AutoGrade - Carded Package Quantity: 19 Package Contents: (10) Exp. Plug Brass Cup 1-1/2 in; (4) Pipe Plug Steel 1/4 in; (3) Exp. Plug Steel Cup 1/2 in; (1) Exp. Plug Brass Cup 3/4 in.; (1) Exp. Plug Steel Cup 2-1/8 in

    $51.52 View part →
  48. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Dorman)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Dorman)

    Partslink #: 567-011

    Brass; Packaging Type: Card Dorman - AutoGrade - Carded Package Quantity: 1 Package Contents: 17 Expansion Plugs; 5 Pipe Plugs

    $51.89 View part →
  49. ✓ In Stock 1967-1993 Mercury Cougar Engine Expansion Plug Kit (Ford Performance)

    1967-1993 Mercury Cougar Engine Expansion Plug Kit (Ford Performance)

    Partslink #: M-6026-B302

    Incl. All Freeze Plugs For All Small V-8 Engine Blocks

    $52.34 View part →
  50. ✓ In Stock 1994-1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1994-1997 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-280BR

    Brass

    $54.56 View part →
  51. ✓ In Stock 1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1967-1970 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-610BR

    Brass Deep Cup Plug Kit

    $56.22 View part →
  52. ✓ In Stock 1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1970-1979 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-609BR

    Brass Deep Cup Plug Kit

    $57.04 View part →
  53. ✓ In Stock 1982-1996 Mercury Cougar Engine Expansion Plug Kit (Melling)

    1982-1996 Mercury Cougar Engine Expansion Plug Kit (Melling)

    Partslink #: MPE-177BR

    Brass

    $57.99 View part →

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

Racing partner video
Racing partner video
Racing partner video
Racing partner video

Engine Expansion Plug Kit Compatibility for Mercury Cougar

Browse our selection of quality engine expansion plug kit parts designed specifically for your Mercury Cougar. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · Boss 302 · Boss 429 · Brougham · Cobra Jet · GS · LS · Villager · XR-7

Body Types

Hardtop · Sedan · Wagon

Engine Options

L4 2.3L · L6 3.3L · V6 3.8L · V8 4.2L · V8 4.6L · V8 4.7L · V8 5.0L · V8 5.8L · V8 6.4L · V8 6.6L · V8 7.0L · V8 7.5L

Transmissions

Automatic · Manual · U/K

Added to cart · Part