Turbocharger Air Seals & Bushings

Ensure the integrity of your turbocharger’s pressure zones with our precision-engineered air seals and bushings. Sourcing Marine provides high-tolerance sealing solutions designed to prevent exhaust gas leakage and oil contamination within the compressor and turbine stages. Our bushings are manufactured from advanced friction-resistant alloys to maintain critical rotor clearances even under extreme thermal expansion. We support the full range of ABB, MAN, and Mitsubishi turbocharger architectures with ready-to-ship inventory.

  • Zero-Leakage Precision: Tight-tolerance machining ensures optimal air-path sealing for maximum boost efficiency.
  • Thermal Expansion Stability: Engineered from specialized bronze and steel alloys that maintain dimensional accuracy at high operating temperatures.
  • Rapid Maintenance Support: Complete series availability for VTR, MET, and NR, allowing for immediate replacement during scheduled overhauls.

Product Description

Air seals and bushings are small but vital components that dictate the mechanical efficiency of the rotor assembly. At Sourcing Marine, we supply seals that prevent high-pressure air from escaping the compressor stage and bushings that provide the necessary structural interface between the shaft and the bearing housing.

Comprehensive Compatibility Matrix

We maintain a global supply network for the following professional series:

Brand / SeriesSupported Model Ranges (Partial List)
ABB VTR SeriesVTR160/161, 184, 200/201, 214, 250/251, 254, 304, 320/321, 354, 400/401, 454, 500/501, 564, 630/631, 714, 750/751
ABB TPS SeriesTPS48, TPS52, TPS57, TPS61
Mitsubishi METMET18SR/SRC, MET26R/SR, MET30SR, MET33SB/SC/SD, MET35, MET42, MET53, MET66SB/SC/SD/SE, MET83SE, MET90
MAN NR SeriesNR12/R/S, NR15/R151/184/216, NR17/S051, NR20/R282/406, NR24/R, NR26, NR29, NR34/R/S152
MAN NA SeriesNA34/S, NA40, NA48/S, NA57, NA70/T9
MAN TCA/TCRTCA55, TCA66 | TCR12, TCR14-41, TCR16, TCR18, TCR22

Technical Engineering Standards

  • Labyrinth Seal Geometry: Our air seals utilize precise labyrinth profiles designed to create high-resistance flow paths, effectively blocking exhaust gas intrusion into the oil chambers.
  • Advanced Bushing Metallurgy: Bushings are crafted from high-grade lead bronze or specialized composites, providing superior heat dissipation and anti-seizure properties during high-speed rotation.
  • Vibration Damping: Precision fitment reduces shaft “whip” and harmonic vibration, extending the service life of both the shaft and the bearings.

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