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Lock-O-Seal for Cessna Brake Master Cylinders

McFarlane’s CBS-KT-1 Seal Kit is Back!

The lock-o-seal MC800-001-6 for Cessna brake master cylinders is now available again, restoring access to the CBS-KT-1 master cylinder seal kit, one of the most widely used solutions for Cessna brake maintenance.

Supports proper brake pressure, fluid control, and system reliability
Helps maintain consistent braking performance during ground operations
Provides a dependable solution for routine brake system maintenance

Simplify Cessna brake maintenance with our seal kits! McFarlane CBS-KT- seal kits provide a complete solution for servicing brake master cylinders and calipers.

One kit per master cylinder or brake caliper
Reduces downtime, simplifies ordering, minimizes errors
Includes FAA-PMA approved components where required

Seal Kit Type	Part Number	Components	Notes
Master Cylinder	CBS-KT-1	Lock-O-Seal (1) O-ring (1) Backup ring (1)	Used on many Cessna aircraft.
Master Cylinder	CBS-KT-2	O-ring (1) Backup ring (1)	Used on many Cessna aircraft.
Master Cylinder	CBS-KT-3	Stat-O-Seal (1) O-rings (3) Backup ring (1)	Used on Cessna 208 and 208B Caravan aircraft.
Master Cylinder	CBS-KT-4	O-ring (1)	Used on Cessna 120, 140, 170, 170A aircraft.
Brake Caliper	CBS-KT-5	O-rings (8)	Services both brake calipers.
Brake Caliper	CBS-KT-6	O-rings (4)	Used on Cessna 210, 210A, 210B aircraft.