Swirl Flap Delete Plugs — Mercedes-Benz OM642 3.0L V6 Diesel | Aluminum
Eliminate the #1 Engine-Killer on OM642 Diesels — Before the Flaps Destroy Your Engine.
Swirl flaps on the OM642 are one of the most well-documented failure points in the Mercedes diesel world. When the plastic actuators break, fragments get sucked directly into the engine — causing catastrophic intake and piston damage that can cost $5,000–$15,000+ to repair.
These precision-machined aluminum delete plugs permanently seal the swirl flap openings in the intake manifold. No more actuators. No more plastic debris risk. Just a clean, sealed manifold — exactly how it should be.
What's Included
- Full set of aluminum swirl flap delete plugs — covers all intake ports on the OM642 manifold
- Machined from solid aluminum for durability and heat resistance
Why Delete the Swirl Flaps — Now, Not Later
- Prevents Catastrophic Engine Damage: A broken swirl flap fragment ingested into the cylinders can cause bent valves, damaged pistons, and a destroyed engine. These plugs eliminate that risk permanently.
- Aluminum Construction: Unlike the factory plastic actuators, these plugs won't crack, warp, or deteriorate under heat.
- No Performance Loss: The OM642 runs normally — often better — without swirl flaps. Modern tuning has made them redundant on most real-world driving profiles.
- Wide Manifold Coverage: Fits all major OM642 intake manifold variants used across Mercedes-Benz, Chrysler, and Jeep applications.
Compatible Manifold OEM Numbers
- A6420905037
- A6420907737
- A6420903237
- A6420905437
- 68012303AA
Vehicle Compatibility
| Make | Models |
|---|---|
| Mercedes-Benz | E-Class W211/W212/W213, S-Class W221/W222, C-Class W204/W205, M-Class W164/W166, R-Class W251, GL X164/X166, G-Class W463, CLS C219/C218, GLC X253, GLE W166/C292, GLS X166, V-Class W447, Sprinter, CLC CL203 |
| Chrysler | 300C 3.0 CRD (2005–2012) |
| Jeep | Grand Cherokee III WH/WK 3.0 CRD (2005–2010), Commander XK/XH 3.0 CRD (2005–2010) |
Don't wait for failure. If your OM642 hasn't had the swirl flaps deleted yet, it's a ticking clock. Many owners only do this after a flap breaks — by then the damage is already done. These plugs are cheap insurance against a five-figure repair bill.
FAQ
Q: Will removing the swirl flaps affect engine performance or emissions?
A: Minimal real-world impact on performance. The OM642 was designed for robust operation and most driving profiles — highway, city, towing — are unaffected. Emissions may marginally change at cold idle, but the trade-off versus catastrophic engine risk is clear.
Q: Do I need to remap the ECU after installing these plugs?
A: No remap is required. The plugs are a mechanical modification only — the ECU continues to operate normally.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- 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