Yes, replacement air spring assemblies are available for the 2014-2016 Sektor Silver A1.
11.4018.010.104 FORK SPRING SOLO AIR ASSEMBLY - 130MM-26/27.5/29 (INCLUDES TOP CAP, AIR PISTON, SHAFT BOLT) - SEKTOR SILVER A1/RECON SILVER B1
11.4018.010.105 FORK SPRING SOLO AIR ASSEMBLY - 140MM-26/27.5/29 (INCLUDES TOP CAP, AIR PISTON, SHAFT BOLT) - SEKTOR SILVER A1
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