I’m needing to replace the air assist clutch cylinder on a 2012 Mac truck. I’m trying to make sure this one will fit and is there any type of warranty? If you could please give me a call at 580-305-2383.
Question by: Brennen M on Feb 19, 2026, 1:48 PM
reckon this air clutch assist cylinder is the right one for a mack with part 21485016
Question by: Cody S on Mar 27, 2025, 5:34 PM
Fits Mack models calling for part number 21485016 as an air clutch assist cylinder.
Answer by: Customer Support on Mar 29, 2025, 3:18 PM
Trusted Source for Clutch Assist Components
Hydraulic Supply Company has supported customers since 1947 and is trusted for sourcing reliable components used in vehicle clutch systems. With a nationwide network of solution centers, service locations, and a central distribution center, HSC helps customers access the parts they need with confidence.
HSC supports transportation-related applications through product availability, technical knowledge, and long-standing experience working with fluid power components used in vehicle systems. Learn more about how HSC serves customers across the transportation industry with reliable solutions and support.
If assistance is needed when selecting or confirming this product, HSC team members are available to help answer general questions and provide guidance before ordering. Contact us for support.
FAQs
How Can I Confirm This Is the Correct Air Clutch Assist Cylinder?
Confirming the correct air clutch assist cylinder typically involves reviewing part numbers, manufacturer references, and any markings on the existing component. The specifications and alternate part numbers listed on this page are provided to support accurate identification before ordering.
What Do the Alternate Part Numbers Listed Mean?
Alternate part numbers are reference identifiers that may appear in service records, catalogs, or on existing components. They are listed to help buyers recognize equivalent references across different numbering systems.
Does This Air Clutch Assist Cylinder Require Electrical Components?
No. This model operates without additional electrical components, switches, or remote controls.
Is This Air Clutch Assist Cylinder Adjustable or Calibrated?
No. This model is described as non-calibrated and manufactured without adjustable ends.
Who Can Help If I Have Questions Before Ordering?
If you need help reviewing part details or have general questions before ordering, HSC team members are available to assist. Contact us.
