Description
Brass Brake Pipe 3-Way T-Piece 7/16″ UNF x 20 Female
Brass 3-way brake pipe T-piece with three 7/16″ x 20 UNF female ports. Available for 3/16″ or 1/4″ pipe, on its own or with 3 matching brass male unions. Used on British classics, Land Rover and commercial vehicles with 7/16″ UNF brake circuits. Supplied by EMS Spares, Leicester.
Specification
| Ports | 3 x 7/16″ x 20 UNF female |
|---|---|
| Pipe size | 3/16″ or 1/4″ – choose your option |
| Type | 3-way T-piece, brass, with mounting hole |
| Overall size | N/A |
| Material / finish | Brass, natural finish |
| Weight | 50.8g approx (T-piece) |
| Interchange reference | HU34* |
| EMS part number | EMS-A34 |
* Reference numbers are for identification only. All dimensions are approximate.
Buyer’s guide: brake 3-way T-pieces
A 3-way T-piece splits one brake pipe into two – for example to the left and right wheels. Each port takes a male union on a flared pipe. Choose the pipe size to match your system: 3/16″ is the standard car brake pipe; 1/4″ is used on many master cylinder outlets, clutch circuits and larger vehicles.
Identify your thread
| Thread | Outside diameter (male thread) | Threads | Typically found on |
|---|---|---|---|
| 3/8″ x 24 UNF | 9.5mm approx | 24 per inch | Most British classic car brake circuits on 3/16″ pipe |
| 7/16″ x 20 UNF | 11.1mm approx | 20 per inch | British classics, Land Rover, commercial vehicles – master cylinders, clutch and 1/4″ pipe circuits |
| M10 x 1mm | 10mm approx | 1mm pitch (about 25 per inch) | Most European and later cars |
| 3/8″ x 20 BSF | 9.5mm approx | 20 per inch | Older British cars (often pre-1960s) |
Tip: 3/8″ UNF and M10 x 1 look almost the same and will start to screw in, then bind. Never force a fitting. Measure the male thread diameter or use a thread gauge, or compare against your old part.
How to fit – good practice
- Check the thread before fitting – compare with your old part or use a thread gauge.
- Start every thread by hand for several turns – it should turn freely. If it binds, stop and check.
- Tighten with correctly sized split (flare nut) spanners. Brass is softer than steel – firm, not excessive.
- Bleed the system, then check every joint for leaks with the pedal pressed hard.
Safety: brakes and clutches are safety-critical systems. If you are not confident, have the work done or checked by a qualified mechanic.
Options
T-piece only, or T-piece + 3 brass male unions (EMS-A7 for 3/16″, EMS-A14 for 1/4″).
Delivery
Free UK delivery on every order (including Northern Ireland, Highlands & Islands). Same-day dispatch on orders placed before 10am.
Trusted by thousands of buyers on eBay
99.9% positive feedback from over 9,700 ratings, and 5.0 out of 5 for accurate description, postage cost, delivery time and communication (last 12 months). Read our eBay feedback.
FAQ
3/16″ or 1/4″? Measure the outside diameter of your brake pipe: 4.75mm = 3/16″, 6.35mm = 1/4″.
Need help? Message us with your vehicle.
Reviews
There are no reviews yet.