VAS-Aftermarket Spring Brake Cylinder 81.50410-6708 / 81504106708
Manufactured to match original equipment standards and cross-compatible with WABCO (925 420 955 0) and Knorr-Bremse (II37274) specifications, this Type 20/24 Tristop™ spring brake actuator combines service braking with spring parking/emergency actuation for MAN heavy trucks and buses.
Key Features & Benefits:
- Reliable Braking Safety: Built to stringent quality specifications for dependable stopping performance under maximum commercial loads.
- Dual-Action Performance: Integrates high-flow service braking with emergency spring-applied parking brake capability.
- Corrosion-Resistant Steel Housing: Heavy-duty sealed housing protects internal diaphragms and coil springs against rust, water, and road debris.
- Direct Bolt-On Fitment: Standardized 120.7mm mounting bolt pattern and M22x1.5 air ports for direct replacement.
Product Specifications:
| Specification | Details |
|---|---|
| Brand | VAS-Aftermarket |
| Part Name | Spring Brake Cylinder / Tristop™ Actuator |
| Part Number | 81.50410-6708 (81504106708) |
| Vas Ref No | 30.61701-5413 (30617015413) |
| Chamber Size / Type | Type 20/24 (S-Cam Heavy Duty) |
| Fitting Position | Right Side (Rear Axle) |
| Connecting Air Port Thread | M22 × 1.5 |
| Piston Rod Thread | M16 × 1.5 |
| Mounting Bolt Spacing | 120.7 mm |
Cross-Reference & OEM Part Numbers:
| Manufacturer / Brand | Part Numbers |
|---|---|
| MAN / NEOPLAN OEM | 81.50410-6708, 81504106708, 81.50410.6708, 81.50410-9708, 81504109708 |
| WABCO Equivalents | 9254209550, 925 420 955 0, 925.420.955.0 |
| Knorr-Bremse Equivalents | II37274, KNOII37274 |
| DT Spare Parts | 3.74033 |
Note: Please verify your original chamber side (Right Side) and part number before purchasing to ensure proper fitment.