Engine bonnet insulation mat SEAT León IV/CUPRA Formentor | (5FA863831)

Main benefits

• Engine noise reduction: Professional acoustic insulation that attenuates vibrations and sound towards the cabin.

• Improved cold start: Retains engine heat during cold nights, facilitating winter ignitions.

• Component protection: Prevents excessive heat transfer to nearby electronic components.

• OEM Installation: Perfect fit without modifications, includes specific fixing clip.

Technical specifications

OEM reference: 5FA863831 (original SEAT/CUPRA).
Content: 1 insulating mat + fixing clip.
Material: Multi-weave insulating compound (acoustic/thermal) with adhesive backing.
Dimensions: Cut to fit the geometry of the Leon IV/Formentor hood.

Confirmed compatibility

• SEAT Leon IV (KL) 2020-present (all 1.0/1.4/1.5/2.0 TSI eTSI engines)

• CUPRA Formentor (5FF) 2021-present (1.5/2.0 TSI, e-Hybrid hybrids)
  Note: Exclusive to MQB Evo platforms (Leon IV/Formentor). Not suitable for Leon III/ST.

Installation instructions

1. Open hood, clean internal upper surface.

2. Remove old clips (if present).

3. Position mat aligned with hood geometry marks.

4. Press until complete adhesion + fix included clip.
   Time: 5 minutes without special tools.

Frequently Asked Questions (FAQ)

Does it noticeably reduce cabin noise?
Yes, users report a significant difference in city/highway driving.

Is it compatible with plug-in hybrids?
Yes, all Leon IV eTSI e-Hybrid and Formentor hybrids.

Does it include adhesive?
Yes, self-adhesive backing + mechanical fixing clip.

Can it be removed afterwards?
Yes, without damaging hood paint (heat + plastic spatula).

Technical data sheet

• Brand: SEAT/CUPRA (VAG Group)

• Reference: 5FA863831

• Product: Acoustic/thermal hood insulation mat

• Position: Inside engine hood

• Content: 1 mat + 1 fixing clip

• Compatibility: Leon IV KL 2020+, Formentor 5FF 2021+

• Store SKU: WGN-5FA863831 / P9840

Original SEAT/CUPRA product manufactured in Martorell, Spain. Certified engine noise reduction, significantly improves comfort. Special bulky shipping.

Add the original Leon IV/Formentor insulation mat and enjoy a quieter and more comfortable ride!