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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.

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
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In Stock

Part # 11806

0%

$12.00
Brass Hydraulic Union, 1/2 x 20 Both Ends, 1/4 Tube
1/2 x 20 Both Ends, 1/4 Tube
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In Stock

Part # 11074

0%

$4.00
Stainless Flexible Firewall Trans Dipstick For Th350/TH400 GM
Stainless Flexible Firewall Trans Dipstick For Th350/TH400 GM
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In Stock

Part # CP3004

0%

$59.00
Brass Hydraulic Tee, 3/8 x 24 all 3 Ports, 3/16 Tube
3/8 x 24 all 3 Ports, 3/16 Tube
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In Stock

Part # 11811

0%

$10.00
Steel Hydraulic Plug For 7/16 x 24 Ports, 1/4 Tube
For 7/16 x 24 Ports, 1/4 Tube
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In Stock

Part # 10881

0%

$4.00
SS Double Line Clamp Kit, Pack of 6, 3/16" X 3/8"
3/16" X 3/8" Stainless Steel Double Line Clamp Kit 6 Pack
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In Stock

Part # CP31638

0%

$18.00
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
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In Stock

Part # CP10716-03

0%

$9.00
SS Double Line Clamp Kit, Pack of 4, 3/8" X 3/8", 90 Degree Stand Off
3/8" X 3/8" Stainless Steel Double Line Clamp, Pack of 4, 3/8" X 3/8", 90 Degree Stand Off
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In Stock

Part # CP3838-90

0%

$18.00
SS Single Line Clamp Kit, Pack of 12, 3/16"
3/16" Stainless Steel Single Line Clamps 12Pk
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In Stock

Part # CP316

0%

$18.00
SS Double Line Clamp Kit, Pack of 4, 3/8" X 3/8", Seperators
3/8" X 3/8" Stainless Steel Double Line Clamp, Pack of 4, 3/8" X 3/8", Seperators
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In Stock

Part # CP3838-S

0%

$18.00
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
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In Stock

Part # 11808

0%

$15.00
Steel Brake Line Tube Nuts w/ 7/16 x 24 Threads 1/4" Tube Size
7/16 x 24 Threads 1/4" Tube Size
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In Stock

Part # 11070

0%

$4.00
Steel Hydraulic Brake Adapters 3/8 x 24 Male to -An3 Male & 3/8 x 24 Male to AN -3 Male, 3/16 Tube
3/8 x 24 Male to -An3 Male & 3/8 x 24 Male to AN -3 Male, 3/16 Tube
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In Stock

Part # CP2090

0%

$15.00
Steel Hydraulic Elbow -3AN Male to -3AN Female, 3/16 Tube
-3AN Male to -3AN Female, 3/16 Tube
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In Stock

Part # CP2340

0%

$50.00
Chrome Brass Hydraulic Brake Adapter
7/16 x 24 Female to 9/16 x 18 Male, 1/4 Tube
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In Stock

Part # 11803-C

0%

$10.00
Steel Hydraulic Tube Nut 1/2 x 20 Threads, 1/4 Tube
1/2 x 20 Threads, 1/4 Tube
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In Stock

Part # 11071

0%

$4.00
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
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In Stock

Part # 11802

0%

$8.00
Brass Hydraulic Union, 3/8 x 24 Both Ends, 3/16 Tube
3/8 x 24 Both Ends, 3/16 Tube
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In Stock

Part # 11074-X

0%

$5.00
Steel Hydraulic Brake Adapter -3AN Male to 7/16 x 24 Female, 3/16 Tube
-3AN Male to 7/16 x 24 Female, 3/16 Tube
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In Stock

Part # CPFM10716-03

0%

$9.00
Inverted Flare Kit -3AN Male to 3/16 Inverted Flare
Inverted Flare Kit -3AN Male to 3/16 Inverted Flare, Sold as Pair
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In Stock

Part # CP2140

0%

$40.00
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
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In Stock

Part # CP10720-03

0%

$9.00
Steel Brake Line Tube Nuts w/ 9/16 x 18 Threads 3/16th Tube Size
9/16 x 18 Threads 3/16th Tube Size
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In Stock

Part # SP7

0%

$3.00
Steel Brake Line Tube Nuts w/ 1/2 x 20 Threads 1/4" Tube Size
1/2 x 20 Threads 1/4" Tube Size
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In Stock

Part # SP3

0%

$6.00
Brass Hydraulic Union, 5/8 x 18 Both Ends, 3/8 Tube
5/8 x 18 Both Ends, 3/8 Tube
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In Stock

Part # 11074-1

0%

$10.00
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
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In Stock

Part # 11813

0%

$15.00
SS Double Line Clamp Kit, Pack of 6, 5/16" X 3/8"
5/16" X 3/8" Stainless Steel Double Line Clamp Kit 6Pl
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In Stock

Part # CP51638

0%

$18.00
Inverted Flare Kit -3AN Male to 1/4 Inverted Flare
Inverted Flare Kit -3AN Male to 1/4 Inverted Flare, Sold as Pair
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In Stock

Part # CP2150

0%

$40.00
Double Flaring Tool Kit W/Deburring Tool
The kit includes a 3/16" & 1/4" double flaring tool with a removable handle, two positioning bolts, a 3/16" and 1/4" double-ended OP1/OP2 punch, an extra-long hex key wrench, and a pipe deburring tool.
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In Stock

Part # CPDFTK-PDT

0%

$35.00
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
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In Stock

Part # 11803

0%

$10.00
Steel Brake Line Tube Nuts w/ 9/16 x 18 Threads 1/4" Tube Size
9/16 x 18 Threads 1/4" Tube Size
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In Stock

Part # SP6

0%

$2.00
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
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In Stock

Part # 11807

0%

$14.00
SS Double Line Clamp Kit, Pack of 4, 5/8" X 5/8"
5/8" X 5/8" Stainless Steel Double Line Clamps 4Pk
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In Stock

Part # CP5858

0%

$18.00
Steel Hydraulic Brake Adapter -3AN Male to 10MM Banjo, 3/16 Tube
-3AN Male to 10MM Banjo, 3/16 Tube
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In Stock

Part # CP2190

0%

$35.00
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
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In Stock

Part # 11809

0%

$8.00
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
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In Stock

Part # CP10324-03

0%

$9.00
Hydraulic Frame Bracket For AN6 Bulkheads, Brake Hoses or Tee, Qty 6
Hydraulic Frame Bracket For AN6 Bulkheads, Brake Hoses or Tee, Qty 6
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In Stock

Part # 11686-6

0%

$17.00

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