Swirl Flap Delete Plugs 18mm — Opel Z19DTH / Z19DTJ / Z19DT Diesel | OEM 55210201
Permanently Eliminate Swirl Flap Failure Risk on Your Opel Diesel — 18mm Blanking Plugs.
The swirl flaps on Opel Z19DTH, Z19DTJ, and Z19DT diesel engines are a documented failure point — when the plastic linkages break, debris enters the intake and can cause severe engine damage. These 18mm blanking plugs permanently seal the swirl flap openings, eliminating the failure risk entirely.
Important — Verify Size Before Ordering: There are two sizes of Opel swirl flap plugs — 18mm and 15mm. Measure your intake manifold ports before purchasing.
Why Delete the Swirl Flaps
- Prevents Engine Damage: Broken flap debris entering the intake can destroy pistons and valves. Deletion eliminates this risk permanently.
- Eliminates Fault Codes: Swirl flap position codes clear after plugging.
Vehicle Compatibility
Opel/Vauxhall models with Z19DTH, Z19DTJ, or Z19DT diesel engines
OEM Reference
- 55210201 — 18mm
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- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings