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Mytee Products Freightliner Cascadia Air Manifold Pass Through Replaces 12-21425-002, Freightliner 12-21425-001, 1221425001

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Product details

Management number 215565235 Release Date 2026/04/12 List Price $43.60 Model Number 215565235
Category

We bring this Air Manifold, Air Brake Manifold Block, Black - Fits Freightliner Cascadia, Replaces OEM Freightliner 12-21425-000, 12-21425-001, 12-21425-002, 1221425001, FRT1221425002, Automann 170.1015. This air manifold is a key component in the air brake system of Freightliner trucks, responsible for efficiently distributing compressed air to different circuits of the braking system. Find more about this product below:Function & Purpose: The air manifold acts as a central air distribution block that directs compressed air from the supply source to the service, emergency, and auxiliary circuits. It ensures balanced pressure flow throughout the system, supporting safe, reliable braking and suspension operation in heavy-duty trucks.Compatibility:Compatible with the following brands and their part numbers:Fits Freightliner: 12-21425-000 / 12-21425-001 / 12-21425-002 / FRT1221425002Fits Automann: 170.1015Compatible with following brand models:Fits Freightliner CascadiaSafety Points to ConsiderAlways depressurize the air system completely before removing or servicing the manifold to avoid injury.Inspect all air lines and fittings for cracks, wear, or corrosion before reconnecting to the new manifold.Use proper torque settings and thread sealants during installation to minimize leaks.Ensure all mounting bolts and brackets are tightened securely to minimize vibration-related damage.After installation, test the air brake system for leaks or irregular pressure before putting the vehicle back in service.Installation InstructionsVerify that the manifold’s port configuration and size match your vehicle’s air brake layout.Mount the manifold securely to the designated frame or chassis bracket using OEM-style hardware.Apply air thread sealant or PTFE tape to all threaded connections.Connect the air lines according to their labeled circuits.Gradually pressurize the system and check for leaks using a soap solution or leak detector.When to Replace the Air ManifoldPresence of air leaks or hissing sounds around the manifold block.Cracks, corrosion, or stripped threads on ports or fittings.Uneven or inconsistent brake performance due to air distribution issues.Frequent pressure drops in the air brake system even after line inspection.Replacement required during major brake system overhauls or when upgrading to new OEM components.

  • Replacement OEMs: 1221425001
  • Color: Black ; Application: Freightliner Cascadia; Part Type: Air Brake Manifold Block
  • Function: Helps to efficiently distributing compressed air to different circuits of the braking system
  • Compatibility: Freightliner 12-21425-000, 12-21425-001, 12-21425-002, 1221425001, FRT1221425002, Automann 170.1015
  • 18-month Warranty: This product is covered for one year or completion of 100,000 miles since installation or 18 months after your purchase, whichever comes first.
Brand Mytee Products
Model Air Manifold
Item Weight 8 ounces
Manufacturer Mytee Products
Item model number MPN12-21425-002
Package Dimensions 10 x 10 x 10 inches
Manufacturer Part Number MPN12-21425-002

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