Spare Caliper Parts/Accessories
CP9668 / CP9669 6-Piston front
| CALIPER | CP9668 / CP9669 | ||||
| REFERENCE | ESSEX SKU (LINKS BELOW) | AP RACING PART NUMBER | DESCRIPTION | QTY PER CALIPER | NOTE |
| 1 | 9669 Piston - 25.4mm / 1.0" | 2 | 9669 only | ||
| 1 | 13.05.31004 | CP9665-114 | 9668 or 9669 Piston - 27mm / 1.06" | 2 | |
| 2 | 13.05.31005 | CP9660-115 | 9668 Piston - 31.8mm / 1.25" | 2 | 9668 only |
| 2 | 9669 Piston - 34mm / 1.34" | 2 | 9669 only | ||
| 3 | 13.05.31006 | CP9665-116 | 9668 Piston - 38.1mm / 1.5" | 2 | 9668 only |
| 4 | 08 04 854 | CP8518-CEJ | 9668 Seal Kit | 1 | |
| 4 | 08 04 858 | CP8518-ACF | 9669 Seal Kit | 1 | |
| 5 | 08 04 500 | CP3880-1 | M10 Bleed Screw Kit (Includes 2 Screws) | 1 | |
| 6 | 13.05.30030 | CP9440-116ST | M5 Button Screw For Wear Plates | 4 | |
| 7 | 13.05.30039 | CP9668-106 | Wear Plate - Right Hand | 2 | |
| 13.05.30040 | CP9668-107 | Wear Plate - Left Hand | 2 | ||
| 8A | 13.05.30034 | CP9665-121A | Pad Retainer Block | 2 | |
| 8B | 13.05.30014 | CP3715-117ST | Pad Retainer Bridge Bolt | 2 | |
| 9A | 13.05.30035 | CP9665-118 | Pad Retainer Clip | 1 | |
| 9B | 13.05.30036 | CP6268-110 | Retainer Hinge | 1 | |
| 9C | 19 04 156 | CP3160-106ST | M6 x 12 Screw | 1 |
CP9660 / CP9661 6-Piston front
| CALIPER | CP9660 / CP9661 | |||
| REFERENCE # | ESSEX SKU (LINKS BELOW) | AP RACING PART NUMBER | DESCRIPTION | QTY PER CALIPER |
| 1 | 08 04 500 | CP3880-1 | M10 Bleed Screw Kit (Includes 2 Screws) | 1 |
| 2 | 13.05.30030 | CP9440-116ST | M5 Button Screw For Wear Plates | 2 |
| 3 | 13.05.30031 | CP9660-110 | Wear Plate - Right Hand | 1 |
| 4 | 13.05.30032 | CP9660-111 | Wear Plate - Left Hand | 1 |
| 5 | 13.05.31002 | CP9660-116 | 9660 Piston - 38.1mm / 1.5" | 2 |
| 6 | 13.05.31001 | CP9660-115 | 9660 or 9661 Piston - 31.8mm / 1.25" | 2 |
| 7 | 13.05.31000 | CP9660-114 | 9660 or 9661 Piston - 27mm / 1.06" | 2 |
| 13.05.31003 | CP9661-110 | 9661 Piston - 28.6mm / 1.125" | 2 | |
| 8 | 08 04 854 | CP8518-CEJ | 9660 Seal Kit | 1 |
| 08 04 852 | CP8518-CDE | 9661 Seal Kit | 1 | |
| 9 | 13.05.30013 | CP3796-121ST | Pad Retainer Bridge Bolt | 2 |
| 10 | 13.05.30033 | CP9660-113 | Pad Retainer Block | 2 |
CP9449 / CP9450 / CP9451 4-Piston Rear
| CALIPER | 9449 / 9450 / 9451 | |||
| REFERENCE # | ESSEX SKU (LINKS BELOW) | AP RACING PART NUMBER | DESCRIPTION | QTY PER CALIPER |
| 1 | 08 04 500 | CP3880-1 | M10 Bleed Screw Kit (Includes 2 Screws) | 1 |
| 2 | 13.05.30030 | CP9440-116ST | M5 Button Screw For Wear Plates | 2 |
| 3 | 13.05.30042 | CP9444-113 | Wear Plate - Left Hand | 1 |
| 4 | 13.05.30041 | CP9444-112 | Wear Plate - Right Hand | 1 |
| 5 | 13.05.31007 | CP9451-106 | 9451 Piston - 25.4mm / 1" | 2 |
| 13.05.31008 | CP9450-106 | 9450 Piston - 27mm / 1.06" | 2 | |
| 13.05.31009 | CP9449-106 | 9449 or 9451 Piston - 28.6mm / 1.125" | 2 | |
| 6 | 13.05.31010 | CP9445-108 | 9450 Piston - 31.8mm / 1.25" | 2 |
| 13.05.31011 | CP9449-107 | 9449 Piston - 34mm / 1.338" | 2 | |
| 7 | 08 04 843 | CP8518-DF | 9449 Seal Kit | 1 |
| 08 04 842 | CP8518-CE | 9450 Seal Kit | 1 | |
| 08 04 840 | CP8518-AD | 9451 Seal Kit | 1 | |
| 8 | 08 04 547 | CP3596-112ST | Pad Retainer Bridge Bolt | 1 |
| 9 | 13.05.30038 | CP9440-110 | Pad Retainer Tube | 2 |
Page
News & Blog
October 17th 2025
Video: Essex Caliper Spreader Tool V2 Technical Updates and Best Practices
Watch for tips on getting the most out of your Caliper Spreader Tool V2 during pad changes.
October 17th 2025
Pedal Feel That Wins: A Porsche Cayman Driver's First Track Day with AP Racing Radi-CALs
"Very firm like a brick wall, and it happens so soon into the pedal travel. Very confidence inspiring."
October 9th 2025
Misha Charoudin Visits AP Racing
The popular Nürburgring-driving YouTuber gets a first-hand look at world-class motorsport tech in Coventry.
