Ensure pneumatic precision in your Mack transmission with the Fortpro Slave Valve. Designed to original equipment specifications, it is compatible with 8, 9, 10, 13, and 18-speed Mack transmissions, and is a direct replacement for OEM Mack 21041938, 216KD42B, and PAI EM37110. It features five 1/8 P.T. ports to guarantee a tight pneumatic distribution, optimize gear changes, and eliminate air leaks in heavy-duty applications.
Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
Basic Part Information5 attributes
| Product Line | Transmision |
|---|---|
| Category Name | Transmission Valves |
| Part Type | Control Valve |
| Alternate Part Name | Control Valve, Air Slave Valve, Transmission Shift Valve, Slave Valve, Transmission Slave Valve |
| OEM Part Number | 216KD42B |
Application/Fitment Attributes8 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Control Port Size | 1/8-27 NPT |
| Delivery Port Qty | 2 |
| Delivery Port Size | 1/8-27 NPT |
| Mounting Hole Qty | 4 |
| Mounting Hole Size | 0.29 in. |
| Supply Port Size | 1/8-27 NPT |
| Supply Port Qty | 2 |
Dimensional/Physical Attributes1 attribute
| Length | 5.79 in. |
|---|
Packaging / Logistics Attributes:4 attributes
| Package Length | 6 in. |
|---|---|
| Package Width | 6 in. |
| Package Height | 2 in. |
| Net Weight | 1.64 lb. |
Intended Application
- Compatible with the pneumatic control system for gear selection and range actuators in Mack 8, 9, 10, 13 and 18 speed transmissions in Class 7 and 8 heavy duty trucks.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
- Mack: 216KD42B
