NTYBKS-PL-011Art. BKS-PL-011£67.99
Also known as: Intake manifold swirl flap set, Swirl Flap Set
OEM & aftermarket intake manifold swirl flap kit from top brands — compare prices, check fitment, order with free delivery
Shop 9 intake manifold swirl flap kit from leading manufacturers. Compare prices, check vehicle compatibility, and get free delivery on orders over £99.
Swirl flaps inside the diesel intake manifold modulate air velocity for better combustion at part load. On many BMW, Mercedes, and Vauxhall diesels, the original flaps and lever shafts are known to fail and can break free, with the broken parts entering the cylinders and causing severe engine damage. Repair kits replace the worn shafts and arms before this happens.
Many manufacturers issued service bulletins covering swirl flap replacement intervals or recommended deletion. Check service history before assuming the originals are still fitted.
Swirl flap kits must match the intake manifold variant precisely. Some engines have two flap banks, others one.
The original swirl flap design uses a small linkage that wears under continuous use. Failure modes are well documented for affected engines.
The intake side is heavily affected by EGR and oil mist on diesels. Inspect connected components when the manifold is off.
Commonly searched OE numbers fitting Intake Manifold Swirl Flap Kit from the TecDoc catalogue.
