Description
Hendrickson VS-1968 auxiliary air regulator (mini-filter regulator) with 1/8 in NPT ports, used in lift-axle and auxiliary air control systems on heavy-duty trucks and trailers. Direct replacement for Hendrickson TQA1968S, A1968S, HTA1968, and TM12190 — the same valve sold by multiple distributors under interchange numbers.
Specifications
| Manufacturer | Hendrickson |
|---|---|
| Part Number | VS-1968 |
| Part Type | Auxiliary Air Regulator (mini filter regulator) |
| Port Size | 1/8 in NPT |
| Application | Lift-axle and auxiliary air control circuits |
Cross References
This part replaces or is equivalent to the following part numbers:
- Hendrickson: VS-1968, TQA1968S, A1968, A1968S, HTA1968, TM12190, TM802008, 8446-VS1968 / 8446VS1968
- Also known as: 1066, 1090806, 12190, 14R113FC, 6451025, 802008
Applications
This auxiliary air regulator is used on Hendrickson lift-axle and auxiliary air control systems found on:
- Class 8 tractors and vocational chassis with Hendrickson lift-axle suspensions
- Hendrickson trailer suspensions using auxiliary air regulator circuits
- Service replacement for original-equipment Hendrickson kits referencing TQA1968S
Verify your suspension model and air-system schematic before ordering — Hendrickson’s height control and auxiliary air valve families share similar housings but differ in port count and internal calibration.


