CP3859 Family - NOTE - INFORMATION ONLY - NO LONGER AVAILABLE TO ORDER

CP3859 Family - NOTE - INFORMATION ONLY - NO LONGER AVAILABLE TO ORDER

IMPORTANT NOTE:
CP3859 TYPE SLAVE CYLINDERS
ARE NO LONGER AVAILABLE TO ORDER AS OFF 28/01/2014 AND ARE SUPERCEDED BY CP6859 FAMILY

Note: The differences between CP3859 & CP6859 can be identified by viewing this document CP3859 - CP6859 Differences.pdf



The CP3859 slave cylinder information below on  is for GUIDANCE ONLY. If you require further technical assistance please contact AP Racing.

The CP3859 series concentric slave cylinder is a lightweight, hydraulically self-contained unit with high temperature seals. All sealing surfaces are protected by a hard wearing / low friction coating which helps prolong seal life.

Features:
Interchangeable with SAAB 9000 Slave Cylinder Part No:8781387 (5160015).
- Aluminium Alloy Body.
- Aluminium alloy Piston.
- 18mm or 12mm Max Stroke options.
- CP3859-1238 IN or - 1250 IN suitable for high speed applications.
- Use with PRF660, 600 or other high quality brake fluids.
- Cylinders are supplied with release bearing in a choice of four fulcrum diameters.
- Hydraulic Fitting kits available for -3 or -4 aeroquip:
 - 7/16" (Aluminium adaptor) for - 4 aeroquip - CP3859-15
 - 3/8" (Steel adaptor) for -3 aeroquip - CP3859-16 

Inactive Part Numbers:-
For Standard Bearing Configuation (18mm Stroke)
- Bearing housed in the piston via the outer race. The inner race rotates. Suitable for high speed applications.

- CP3859-38 = Ø38mm Fulcrum.
- CP3859-45 = Ø45mm Fulcrum.
- CP3859-50 = Ø50mm Fulcrum.
- CP3859-54 = Ø54mm Fulcrum.

For Reduced Length Configuration (12mm Stroke)
- Bearing housed on piston via the inner race with outer race rotating.

- CP3859-1245 = Ø45mm Fulcrum.
- CP3859-1250 = Ø50mm Fulcrum.
- CP3859-1254 = Ø54mm Fulcrum.

For Reduced Length Configuration (12mm Stroke)
- Bearing housed in the piston via the outer race with inner race rotating. Suitable for high speed applications.

- CP3859-1238 IN = Ø38mm Fulcrum.
- CP3859-1250 IN = Ø50mm Fulcrum.

General Information:
Ensure that the unit is installed in the correct position, with the bleed port uppermost as shown in the installation drawings (below). all fittings intended to seat at the bottom of the hydraulic ports must have an included angle of 90°.

  • Effective Area - mm² (in²) 920 (1.426)
    Max Stroke - mm - CP3859-38 / -45 / -50 & -54 = 18mm
    - CP3859-1245 / -1250 / -1254 / -1238 IN
    & -1250 IN = 12mm
    Max Pressure - N/mm² (psi) 8.6 (1250)
    Hydraulic Ports M12x1.0x11.5 Min. Full Thread.
    Weight - grammes 425
    Bearing Configuration
    (see drawing)
    See installation drawing
    Replacement Release Bearings - CP3859-38 = CP3457-16
    - CP3859-45 = CP3457-19
    - CP3859-50 = CP3457-11
    - CP3859-54 = CP3457-6
    - CP3859-1238 IN = CP3457-16
    - CP3859-1250 IN = CP3457-11
    - CP3859-1245 = CP3457-19
    - CP3859-1250 = CP3457-9
    - CP3859-1254 = CP3457-10
    Replacement Seal Kit CP3759-3
  • Click on the link to download the relevant drawing.

Associated Products

Contact us today if you need any help finding the right product for you +44 (0) 24 7663 9595