Description
51301-G – TRAMEC TEV SPRING BRAKE VALVE
PART NUMBER(S):
Fleet Products: 51301-G | OE: 51301, 51301RX, TEV-51301, KN26120, KN26110, 170.51301
DESCRIPTION:
Model: Spring Brake Priority Valve (TEV Type)
Vehicles: Compatible with trailer air brake systems
• Supply Port: 3/8" NPT
• Control Port: 3/8" NPT
• Reservoir Port: 1/2" NPT
• Delivery Ports: Four 3/8" NPT
• Material: Engineering Grade Composite (EGC), optionally anodized aluminum
• Performance/Technology:
• Spring brake priority
• Integral anti-compounding
• Pressure protection prevents reservoir fill until ~85 PSI
• Exhaust cover prevents debris ingress
• Inlet filters reduce contamination and extend service life
• System Integrity: ABS-compatible construction, sealed finish rated for 200+ hours salt spray
• Mounting Style: Panel or frame mount (retrofit-ready)
Applications:
Used in trailer air brake systems to prioritize spring brake release. Ensures that spring brakes are fully released before air is routed to the reservoir, preventing brake drag. Offers reliable pressure protection, contamination resistance, and easy retrofit for legacy installations.
CROSS-REFERENCE(S):
51301, 51301RX, TEV-51301, KN26120, KN26110, 170.51301, 170.1105, AM17051301, 300251, SEA 110500, TDA RSL110500, 3515258, 3515870, RF99501964, 5-1301X, MPN51301, 785-51301TRA, 51301P
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Ensure correct mounting orientation (panel or frame)
✔ Confirm port sizes before installation (some variants use different NPT sizes)
✔ System must be charged to minimum 85 PSI before reservoir fill begins
✔ Replace valve if housing or exhaust cover shows signs of damage
✔ Compatible with most trailer ABS and spring brake systems
Warranty Information