Guide · Citroen

Citroen C4 Cactus Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Citroen C4 Cactus (2018-2021) uses the IM3A 433MHz A3M05 4A Chip HU83 3 Button (Light) Smart Key with OEM Board for Citroen C3 C4 (SKU PCK-CT-2008-HU) — verified against OEM part numbers. See the full compatibility table below.

Which Citroen C4 Cactus key fits your vehicle?

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Compatible keys for Citroen C4 Cactus

Years	Key
2018-2021	IM3A 433MHz A3M05 4A Chip HU83 3 Button (Light) Smart Key with OEM Board for Citroen C3 C4 SKU: PCK-CT-2008-HU
2018-2021	IM3A 433MHz A3M05 4A Chip VA2 3 Button (Light) Smart Key with OEM Board for Citroen C3 C4 SKU: PCK-CT-2008-VA
2018-2021	IM3A 433MHz A3M15 4A Chip HU83 3 Button (Light) Smart Key with OEM Board for Citroen C3 C4 SKU: PCK-CT-2006-HU
2018-2021	IM3A 433MHz A3M05 4A Chip HU83 3 Button (Trunk) Smart Key with OEM Board for Citroen C3 C4 SKU: PCK-CT-2007-HU
2018-2021	IM3A 433MHz A3M05 4A Chip VA2 3 Button (Trunk) Smart Key with OEM Board for Citroen C3 C4 SKU: PCK-CT-2007-VA
2018-2021	IM3A 433MHz A3M15 4A Chip HU83 3 Button (Trunk) Smart Key with OEM Board for Citroen C3 C4 SKU: PCK-CT-2005-HU
2016-2019	98167108ZD 433MHz 4A Chip 2 Button Smart Key for Citroen Peugeot SKU: NLK-CIT-15-433
2018-2021	IM3A 433MHz A3M15 4A Chip VA2 3 Button (Trunk) Smart Key with OEM Board for Citroen C3 C4 SKU: PCK-CT-2005-VA
2016-2019	98097814ZD / 98097833ZD 433MHz 4A Chip Smart Key (Light Button) with OEM Board for Citroen SKU: 原厂板 4A-Citroen-灯智能卡
2016-2019	98097814ZD / 98097833ZD 433MHz 4A Chip Smart Key (Trunk Button) with OEM Board for Citroen SKU: PCK-CT-2009

Before you order

Match the year range — Citroen changed key systems across model years. Check your registration year.
Check your current key — the OEM number printed on your key matches the table above.
Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

Which key fits my Citroen C4 Cactus?

The Citroen C4 Cactus (2018-2021) uses the IM3A 433MHz A3M05 4A Chip HU83 3 Button (Light) Smart Key with OEM Board for Citroen C3 C4 (SKU PCK-CT-2008-HU). Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Citroen C4 Cactus keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Can a Citroen C4 Cactus key be programmed without the dealer?

In most cases yes, using tools like Xhorse, VVDI or Autel. We can advise the right programmer for each key SKU.

Ready to order a Citroen C4 Cactus key?