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Premium brake fittings and adapters for classic cars, showcasing durable metal components designed for effective brake line connections. Ideal for restoring and upgrading classic vehicle braking systems.

Fittings and Adapters

We have all the fittings and adapters you need. We know what it is like to need to replace that one fitting, that is why Classic Performance Products (CPP) provides customers with the option to buy that fitting a la carte. CPP offers a wide range of high-quality fittings and adapters for various classic car and truck parts, from ... brake lines to hydraulic systems. Made from durable materials and rigorously tested, they ensure a perfect fit, reliable performance, and long-lasting use.

Find the Parts You Need
Browse CPP's selection to find the right fittings and adapters for your classic car or truck project. Many fittings, like the popular 3/8" x 24 Female to 7/16" x 24 Male Brass Hydraulic Brake Adapter, include easy-to-install line clamps.

Solve Your Issue with CPP
Visit CPP today to find that missing part you need and let us help you get your vehicle back on the road with easy-to-install, reliable fittings and adapters.

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  1. Steel Hydraulic Plug For 7/16 x 24 Ports, 1/4 Tube

    For 7/16 x 24 Ports, 1/4 Tube

    Add to Compare Product Takes 7 Days to Ship
    Part # 10881
    0%
    $4.00
  2. Steel Hydraulic Plug For 1/2 x 20, 1/4 Tube

    For 1/2 x 20, 1/4 Tube

    Add to Compare In Stock
    Part # 10882
    0%
    $4.00
  3. Steel Hydraulic Plug For 9/16 x 18 Ports, 1/4 Tube

    For 9/16 x 18 Ports, 1/4 Tube

    Add to Compare In Stock
    Part # 10883
    0%
    $4.00
  4. Steel Brake Line Tube Nuts w/ 3/8 x 24 Threads 3/16th Tube Size

    3/8 x 24 Threads 3/16th Tube Size

    Add to Compare In Stock
    Part # 11069
    0%
    $4.00
  5. Steel Brake Line Tube Nuts w/ 7/16 x 24 Threads 1/4" Tube Size

    7/16 x 24 Threads 1/4" Tube Size

    Add to Compare In Stock
    Part # 11070
    0%
    $4.00
  6. Steel Hydraulic Tube Nut 1/2 x 20 Threads, 1/4 Tube

    1/2 x 20 Threads, 1/4 Tube

    Add to Compare In Stock
    Part # 11071
    0%
    $4.00
  7. Brass Hydraulic Union, 7/16 x 24 Both Ends, 1/4 Tube

    7/16 x 24 Both Ends, 1/4 Tube

    Add to Compare In Stock
    Part # 11073
    0%
    $4.00
  8. Brass Hydraulic Union, 1/2 x 20 Both Ends, 1/4 Tube

    1/2 x 20 Both Ends, 1/4 Tube

    Add to Compare In Stock
    Part # 11074
    0%
    $4.00
  9. Brass Hydraulic Union, 5/8 x 18 Both Ends, 3/8 Tube

    5/8 x 18 Both Ends, 3/8 Tube

    Add to Compare In Stock
    Part # 11074-1
    0%
    $10.00
  10. Brass Hydraulic Union, 3/8 x 24 Both Ends, 3/16 Tube

    3/8 x 24 Both Ends, 3/16 Tube

    Add to Compare In Stock
    Part # 11074-X
    0%
    $5.00
  11. Brass Hydraulic Elbow, 1/8 NPT Male to 3/8 x 24 Female, 3/16 Tube

    1/8 NPT Male to 3/8 x 24 Female, 3/16 Tube

    Add to Compare In Stock
    Part # 11078
    0%
    $8.00
  12. Brass Hydraulic Elbow, 1/8 NPT Male to 7/16 x 24 Female, 1/4 Tube

    1/8 NPT Male to 7/16 x 24 Female, 1/4 Tube

    Add to Compare In Stock
    Part # 11079
    0%
    $8.00
  13. Hydraulic Frame Bracket For AN6 Bulkheads, Brake Hoses or Tee, Qty 6

    Hydraulic Frame Bracket For AN6 Bulkheads, Brake Hoses or Tee, Qty 6

    Add to Compare Product Takes 7 Days to Ship
    Part # 11686-6
    0%
    $17.00
  14. Brass Hydraulic Brake Adapter, 3/8 x 24 Female to 7/16 x 24 Male, 3/16 Tube

    3/8 x 24 Female to 7/16 x 24 Male, 3/16 Tube

    Add to Compare In Stock
    Part # 11800
    0%
    $12.00
  15. Brass Hydraulic Brake Adapter, 3/8 x 24 Male to 7/16 x 24 Female, 3/16 Tube

    3/8 x 24 Male to 7/16 x 24 Female, 3/16 Tube

    Add to Compare In Stock
    Part # 11801
    0%
    $15.00
  16. Brass Hydraulic Brake Adapter, 7/16 x 24 Female to 1/2 x 20 Male, 1/4 Tube

    7/16 x 24 Female to 1/2 x 20 Male, 1/4 Tube

    Add to Compare In Stock
    Part # 11802
    0%
    $8.00
  17. Brass Hydraulic Brake Adapter, 7/16 x 24 Female to 9/16 x 18 Male, 1/4 Tube

    7/16 x 24 Female to 9/16 x 18 Male, 1/4 Tube

    Add to Compare In Stock
    Part # 11803
    0%
    $10.00
  18. Chrome Brass Hydraulic Brake Adapter

    7/16 x 24 Female to 9/16 x 18 Male, 1/4 Tube

    Add to Compare In Stock
    Part # 11803-C
    0%
    $10.00
  19. Brass Hydraulic Brake Adapter, 9/16 x 20 male (Mopar) to 3/8 x 24 female, ea

    9/16 x 20 male (Mopar) to 3/8 x 24 female, ea

    Add to Compare In Stock
    Part # 11804
    0%
    $15.00
  20. Brass Hydraulic Brake Adapter, 3/8 x 34 Female to 1/2 x 20 Male, 1/4 Tube

    3/8 x 34 Female to 1/2 x 20 Male, 1/4 Tube

    Add to Compare In Stock
    Part # 11806
    0%
    $12.00
  21. Brass Hydraulic Brake Adapter, 3/8 x 24 Female to 9/16 x 18 Male, 3/16 Tube

    3/8 x 24 Female to 9/16 x 18 Male, 3/16 Tube

    Add to Compare In Stock
    Part # 11807
    0%
    $14.00
  22. Brass Hydraulic Brake Adapter, 1/2 x 20 Male to 9/16 x 18 Female, 3/16 Tube

    1/2 x 20 Male to 9/16 x 18 Female, 3/16 Tube

    Add to Compare In Stock
    Part # 11808
    0%
    $15.00
  23. Brass Hydraulic Brake Adapter, 1/2 x 20 Female to 9/16 x 18 Male, 3/16 Tube

    1/2 x 20 Female to 9/16 x 18 Male, 3/16 Tube

    Add to Compare In Stock
    Part # 11809
    0%
    $8.00
  24. Brass Hydraulic Tee, 3/8 x 24 all 3 Ports, 3/16 Tube

    3/8 x 24 all 3 Ports, 3/16 Tube

    Add to Compare In Stock
    Part # 11811
    0%
    $10.00
  25. Brass Hydraulic Tee, 3/8 x 24 to 3/8 x 24 to 7/16 x 24, 3/16 Tube

    3/8 x 24 to 3/8 x 24 to 7/16 x 24, 3/16 Tube

    Add to Compare In Stock
    Part # 11812
    0%
    $5.00
  26. Brass Hydraulic Tee, 9/16 x 18 Male to 3/8 x 24 Female to 9/16 x 18 Female, 3/16 Tube

    9/16 x 18 Male to 3/8 x 24 Female to 9/16 x 18 Female, 3/16 Tube

    Add to Compare In Stock
    Part # 11813
    0%
    $15.00
  27. Steel Hydraulic Straight Fitting -3AN Male to 3/8 x 24 I.F Male, 3/16 Tube

    -3AN Male to 3/8 x 24 I.F Male, 3/16 Tube

    Add to Compare In Stock
    Part # CP10324-03
    0%
    $9.00
  28. Steel Hydraulic Elbow -3AN Male to 7/16 x 24 I.F Male, 3/16 Tube

    -3AN Male to 7/16 x 24 I.F Male, 3/16 Tube

    Add to Compare In Stock
    Part # CP10716-03
    0%
    $9.00
  29. Steel Hydraulic Elbow -3AN Male to 7/16 x 20 I.F Male, 3/16 Tube

    -3AN Male to 7/16 x 20 I.F Male, 3/16 Tube

    Add to Compare In Stock
    Part # CP10720-03
    0%
    $9.00
  30. SS Single Line Clamp Kit, Pack of 12, 1/2"

    1/2" Stainless Steel Single Line Clamps 12Pk

    Add to Compare In Stock
    Part # CP12
    0%
    $18.00
  31. SS Double Line Clamp Kit, Pack of 4, 1/2" X 1/2"

    1/2" X 1/2" Stainless Steel Double Line Clamp Kit 4 Pack

    Add to Compare Vendor Takes 30 Days to Ship
    Part # CP1212
    0%
    $18.00
  32. SS Single Line Clamp Kit, Pack of 12, 1/4"

    1/4" Stainless Steel Single Line Clamps 12Pk

    Add to Compare In Stock
    Part # CP14
    0%
    $18.00
  33. SS Double Line Clamp Kit, Pack of 4, 1/4" X 1/4"

    1/4" X 1/4" Stainless Steel Double Line Clamp Kit 4 Pack

    Add to Compare In Stock
    Part # CP1414
    0%
    $18.00
  34. Master Cylinder Fitting Adapter Kit, 1/2"-20 & 9/16"-18 male to 3/8"-24 female, pair

    1/2"-20 & 9/16"-18 male to 3/8"-24 female, pair

    Add to Compare In Stock
    Part # CP2090
    0%
    $15.00
  35. Inverted Flare Kit -3AN Male to 3/16 Inverted Flare

    Inverted Flare Kit -3AN Male to 3/16 Inverted Flare, Sold as Pair

    Add to Compare In Stock
    Part # CP2140
    0%
    $40.00
  36. Inverted Flare Kit -3AN Male to 1/4 Inverted Flare

    Inverted Flare Kit -3AN Male to 1/4 Inverted Flare, Sold as Pair

    Add to Compare Product Takes 7 Days to Ship
    Part # CP2150
    0%
    $40.00
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