{"product_id":"ap-racing-aluminium-caliper-piston-41-3mm-cp3394-109","title":"AP Racing Aluminium Caliper Piston Ø41.3mm (CP3394-109)","description":"\u003cp\u003eA spare aluminium piston for AP Racing calipers CP3395, CP3801: Ø41.3mm. Sold per piston; the spec table lists the calipers AP Racing give it for, with their seal kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eØ41.3mm\u003c\/li\u003e\n\u003cli\u003eAluminium\u003c\/li\u003e\n\u003cli\u003eFor AP Racing calipers CP3395, CP3801\u003c\/li\u003e\n\u003cli\u003eSold per piston; seal kits sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCheck before you order\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePriced per piston.\u003c\/li\u003e\n\u003cli\u003eSeal kits are sold separately: the spec table names each caliper's AP Racing seal kit.\u003c\/li\u003e\n\u003cli\u003eInspect the bores before fitting new pistons: AP Racing say a caliper with any damage to its bores or piston outer diameters should be considered unfit for use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eCP3394-109\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCP3394-109\u003c\/th\u003e\n\u003ctd\u003eCP3394-109: Ø41.3mm (1.62in), aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCaliper\u003c\/th\u003e\n\u003ctd\u003eCP3395-2\/3\/4\/5S4: seal kit CP4519-KL, pistons CP3394-109, CP3394-110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCaliper\u003c\/th\u003e\n\u003ctd\u003eCP3801-2\/3\/4\/5S7: seal kit CP4518-GK, pistons CP3789-106, CP3394-109\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCaliper\u003c\/th\u003e\n\u003ctd\u003eCP3801-4\/5S4: seal kit CP4518-GK, pistons CP3789-106, CP3394-109\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeal kit\u003c\/th\u003e\n\u003ctd\u003eCP4519-KL: seals for 41.3 \/ 44.5mm bores\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeal kit\u003c\/th\u003e\n\u003ctd\u003eCP4518-GK: seals for 34.9 \/ 41.3mm bores\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCatalogue note\u003c\/th\u003e\n\u003ctd\u003eAP Racing's 2025 catalogue also prints CP3394-109 against the CP3395-1050 series and CP3789 calipers, whose seal kits have no 41.3mm bore; it is listed here only for the calipers whose seal kits do.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFitting notes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eAP Racing say brake parts should only be fitted by people experienced in fitting disc brake systems.\u003c\/li\u003e\u003c\/ul\u003e","brand":"AP Racing","offers":[{"title":"Default Title","offer_id":58101944811900,"sku":"CP3394-109","price":80.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/ap-racing-ap-piston-cp3394-aluminium-caliper-piston-41-3mm-cp3394-109-1.png?v=1793653932","url":"https:\/\/fdracing.co.uk\/products\/ap-racing-aluminium-caliper-piston-41-3mm-cp3394-109","provider":"FD Racing","version":"1.0","type":"link"}