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Dryalite Moisture Fix kit | Insignia Pre-Facelift Xenon 2008-13 | 17622900 Pair

Dryalite absorbs humidity from the air inside your headlight. Choose your vehicle to find the right kit.

Kit: £45.00 - Available.

Dryalite Moisture Fix kit | Insignia Pre-Facelift Xenon 2008-13 | 17622900 Pair

Fitment and specification

Dryalite Headlight Moisture-Fix Kit (Pair)

For Vauxhall Insignia Mk1 / Insignia A pre-facelift Xenon

This listing is ONLY for the rarer Insignia A pre-facelift with factory Xenon headlights. Insignias came with multiple headlight types, and even the same year can have different cover caps, so please check before ordering.

Key benefits

  • Helps reduce headlight condensation and misting
  • Protects expensive Xenon headlight internals from moisture over time
  • Quick DIY installation (typically a couple of minutes)
  • Rechargeable desiccant packs (reactivate and reuse)

IMPORTANT: This kit is for the TOP cover (engine bay access)

Many Insignia headlights have two covers: a top cover that is usually easier to access from the engine bay, and another cover in a different position. This Dryalite kit is designed for the top cover only.

Designed to fit Insignia Mk1 / Insignia A pre-facelift (approx. 2008–2013) with Xenon headlights where your top cover matches the same shape as shown in this listing.

Safest check: compare the top cover shape to the photos and check the moulded part number on your cap. This kit is intended for the top cover marked 17622900 

Not for:
  • Halogen headlights
  • The other headlight cover (this listing is for the top cover only)
  • Any Insignia where the top cover shape or part number is different

How to check your car (30 seconds)

  1. Open the bonnet and look behind the headlight from the engine bay side.
  2. Locate the top cover (usually the easiest one to reach).
  3. Remove the top cover and check the moulded part number inside, then compare the shape to the listing photos.
  4. If you are not 100% sure, message me a clear photo of your top cover (inside and outside) and I will confirm fitment.

What's Included

  • 2 x Dryalite Moisture-Fix Caps
  • 2 x 50g silica gel desiccant packs

Reactivating the desiccant

Remove the desiccant packs before heating. Let them cool fully before refitting.

  • Microwave: 700W for 3 to 5 minutes in a microwave-safe dish
  • Oven: 100 to 120°C for 30 to 60 minutes

30 day money back guarantee

Please note: Dryalite helps control moisture inside the headlight, but if your headlight has a cracked lens, damaged seals, standing water, or blocked vents, those issues should be fixed as well.

How does Dryalite reduce condensation?

Dryalite holds moisture-absorbing silica gel inside vehicle-specific headlight caps. It absorbs water vapour from the air inside the headlight, leaving less moisture available to condense on the lens.

For twist-off cap kits: follow the steps below. No cutting or drilling is needed. The sealed-cap F10 kit has a different fitting method; follow its product-specific instructions instead.

Installation instructions for twist-off caps

  1. Remove the original cap: twist it off the headlight.
  2. Transfer the gasket: carefully lift the original gasket seal off the OEM cap and fit it onto the Dryalite part. A small screwdriver used gently as a pick usually helps; take care not to damage the seal.
  3. Load the silica: remove the silica gel packets from the sealed outer bag, keeping the packets intact. Unscrew the threaded lid from the Dryalite part, place the packets inside, then screw the lid back on.
  4. Fit the Dryalite part: check that the original gasket is fitted and the silica packets are inside. Twist the part onto the headlight in the same way as the original cap.

Both the original gasket and the silica gel packets are essential. Without the gasket, the Dryalite part will be loose and will not work effectively. You can transfer the gasket or load the silica first, but complete both before fitting the part to the headlight.

Recurring misting, not active leaks. If the headlight is cracked or has pools of water inside, Dryalite will not fix it. Repair the fault first.

Green means recharge.

Remove the silica packets, dry them until the beads turn orange, let them cool, then put them back.

30-day full-refund guarantee

If it does not help, return your kit within 30 days for a full refund.

Questions before ordering.

Will Dryalite fix every condensation problem?

No. Dryalite absorbs humidity from the air inside the headlight. It cannot repair a cracked headlight or deal with pools of water inside it.

Is the silica gel loose inside the headlight?

No. The silica packets sit securely inside the Dryalite cap, away from the bulb and reflector.

How quickly should I see a difference?

Some buyers see an improvement within hours. Allow a few days, as every headlight starts with a different amount of moisture.

Can I dry my headlights with a hairdryer before fitting Dryalite?

Warming a headlight can clear visible mist temporarily, but it does not necessarily remove the moisture: droplets may simply turn back into water vapour. If you choose to use a hairdryer, follow your vehicle manufacturer’s guidance and avoid high heat, which can damage plastic, seals or electronics. Let the headlight and the air inside cool to ambient temperature in a clean, dry, sheltered place before refitting the caps. Warm air can contain more water vapour before condensation forms; if warm, moist air is trapped inside, misting can return as the lens cools. Cooling alone does not remove moisture. Dryalite absorbs water vapour to help lower humidity after fitting.

Why use Dryalite instead of leaving the dust caps off?

Removing a dust cap may help moisture escape temporarily, but leaving it off also exposes the headlight to dust, debris and water splashes. It does not actively absorb moisture, and damp outside air can enter again. A correctly fitted Dryalite cap with an intact seal keeps the access opening covered while silica gel absorbs water vapour inside. This helps manage humidity while keeping debris out, rather than leaving the headlight open. Keep the headlight’s original ventilation paths clear, and repair damaged housings or seals first.

How do I choose the right kit?

Choose your model above and compare the product photos with your headlight cap. Contact us if you want help checking.

Can the silica gel be reused?

Yes. Orange means ready and green means saturated. When the beads turn green, remove and dry the silica packets, let them cool fully, then refit them. Never heat the caps or seals.

Do I need to permanently modify my headlights?

Twist-off cap kits require no permanent modification. The sealed-cap F10 kit uses a different fitting method, so check its product details before ordering.

How often will the silica need recharging?

It depends on the weather and your headlight. Check the indicator beads and recharge only when they turn green.