SPOOLOGIC Turbo Step Gap Oil Seals

The SL-210-110 seal kit is for the IHI RHG6 serving the 6.6L Duramax LB7 application listed below. It supplies oil seal rings for service of the RHG6 CHRA. Match the kit to the turbo identification and configuration before beginning work.

Features

• Compressor-side and turbine-side step-gap piston-ring style oil seals
• Seal-only service set for an existing CHRA with serviceable bearings, shaft and housings
• For LB7-equipped pickups with the IHI RHG6 turbocharger. Verify the turbo identification before disassembly.

What's Included

• Compressor-side step-gap piston-ring style oil seal
• Turbine-side step-gap piston-ring style oil seal

Fitment

• 2001-2004 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LB7

2004 trucks: LB7 application; verify the engine code.

⚠️ Seal-Only Service

This kit contains oil seal rings only. Bearings, thrust parts, shaft, compressor wheel, turbine wheel, housings, gaskets and other assembly parts are not included. It will not correct bearing wear, shaft damage, housing damage or worn seal grooves.

Installation Notes

• Confirm turbo model and configuration before disassembly.
• Inspect the shaft, bearing clearances, seal grooves and mating surfaces; replace damaged or worn components as needed.
• Follow the correct turbocharger service procedure and verify oiling before startup.
• Have the completed rotating assembly high-speed balanced when the repair procedure or component replacement requires it.

Turbo Applications

• IHI RHG6 turbocharger

⚠️ DIY Product — All Sales Final, No Warranty, No Returns

This SPOOLOGIC turbocharger repair product is intended for experienced turbo builders and qualified technicians. Proper installation requires suitable tools, careful inspection, and correct assembly. All sales are final—no warranty, returns, or exchanges. Confirm compatibility before ordering. See the SPOOLOGIC Warranty Policy for details on products sold without a warranty.