4TH ARQ currently has no coupon codes
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Coupon codes for
4TH ARQ
4tharq.com
September 2026Find current coupon codes and selected offers from 4TH ARQ.
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Previous coupon codes
Expired codes
These codes are kept for reference and are no longer active.
20% offEXPIRED
Expired 05.09.2026
Expired: 20% extra off at 4TH ARQ
Historical seasonal code for selected products. It could not normally be combined with other promotions.
EXTRA20-US-2037
10% offEXPIRED
Expired 31.07.2026
Expired: 10% off at 4TH ARQ
Historical code for qualifying full-price items. Brand, product, and campaign exclusions applied.
SAVE10-US-2037
15% offEXPIRED
Expired 13.07.2026
Expired: 15% welcome discount at 4TH ARQ
Historical welcome code for a qualifying first order. New-customer and minimum-spend restrictions may have applied.
WELCOME15-US-2037