The full service kit for the 2017+ 30 Silver A3 is part number 00.4315.032.649 (200 HOUR/1 YEAR SERVICE KIT (INCLUDES DUST SEALS, FOAM RINGS, O-RING SEALS) - 30 GOLD AND SILVER (A1-A5/2016-2021)/JUDY SILVER AND GOLD non-BOOST (A1+/2018+)).
RockShox service kits and spare parts are best obtained through your local shop or dealer. See our dealer locator, below, to find a dealer near you. If no one is currently listed near you, then please search for local shops via your preferred web browser.
https://www.sram.com/en/dealer-locator
Manuals and additional information about RockShox and SRAM components can be found at our service site, linked below.
https://www.sram.com/en/service
Further questions?
Reach out to Rider Support by Asking A Question at the link below.
https://www.sram.com/en/rockshox/campaigns/rockshox-rider-support