Yes, replacement CSUs are available for the 2020-2024 35 Gold RL A1-A2. CSUs are made in a “fender mount” variant and a “non-fender mount" variant. The two types are not cross-compatible.
Fender:
11.4018.090.058 FORK CSU - DEBONAIR 27.5/29 BOOST™ 44 OFF-SET ALUMINUM TAPER FENDER GLOSS BLACK (NO GRADIENTS) 35G EMTB A1-A2 (2020-2024)
11.4018.090.059 FORK CSU - DEBONAIR 27.5/29 BOOST™ 44 OFF-SET ALUMINUM TAPER FENDER DIFFUSION BLACK (NO GRADIENTS) 35G EMTB A1-A2 (2020-2024)
Non-Fender:
11.4018.090.008 FORK CSU - DEBONAIR 27.5 BOOST™ 44 OFF-SET ALUMINUM TAPER GLOSS BLACK (NO GRADIENTS) 35G A1-A2 (2020-2024)
11.4018.090.009 FORK CSU - DEBONAIR 29 BOOST™ 51 OFF-SET ALUMINUM TAPER GLOSS BLACK (NO GRADIENTS) 35G A1-A2 (2020-2024)
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