SKU:035033
035033 Blue Service Gladhand | Velvac | 1/2" FNPT Locking Coupling | New Genuine NOS
035033 Blue Service Gladhand | Velvac | 1/2" FNPT Locking Coupling | New Genuine NOS
Share
48 in stock
Couldn't load pickup availability
035033 | Velvac Blue Service Gladhand with Locking Mechanism | 1/2" Female NPT | New Genuine NOS
New Genuine Velvac 035033 — Blue service-line gladhand with spring-loaded locking mechanism for heavy-duty truck and trailer air-brake systems. This commercial-grade coupling connects the service/control air line between tractor and trailer while providing a secure, vibration-resistant connection.
Features a heavy-duty cast body, corrosion-resistant finish, and blue polyurethane seal. The spring-loaded locking design helps prevent accidental separation under normal road and vibration conditions. New old stock (NOS) – unused and in excellent condition. In stock and ready to ship from Discount Parts Exchange (DPX) in Mansfield, Ohio.
Call to confirm availability: 419-522-3320
Key Specifications
- Part Number: 035033
- Manufacturer: Velvac
- Type: Service-Line Gladhand Coupling
- Color / Identification: Blue (Service / Control Line)
- Port Size: 1/2" Female NPT
- Body Material: Heavy-Duty Cast Iron
- Finish: Corrosion-Resistant Plated
- Seal Material: Blue Polyurethane
- Special Feature: Spring-Loaded Locking Mechanism
- Standard: SAE J318
- Condition: New Genuine (NOS)
- Warranty: Sold As-Is, No Warranty
Applications & Fitment
Designed for heavy-duty truck and trailer air-brake service lines. Commonly used on:
- Highway tractors and commercial trailers
- Semi-trailers and fleet air-brake systems
- Service / control air-line connections
Important: Blue gladhands are typically used on the service/control side. Always verify port size (1/2" Female NPT), thread type, coupling orientation, and cross-reference before ordering.
Cross References
- Phillips 12-406
- Tectran 101S
- Tramec Sloan 441090 / 441131 / 56121
- FleetPride 35033
- PACCAR 035033VEL
Cross-reference numbers are for identification purposes only. Verify exact specifications before purchase.
What’s Included
- 1 × Velvac 035033 Blue Service Gladhand
- Installed blue polyurethane seal
DPX Drivetrain Tools Hub
Free tools built by rebuilders for mechanics, drivers, and fleets:
Road Speed Calculator • Gear Ratio Charts • PTO Shimming Guide • Full IPL Library →
Shipping / Location
- Ships from our Mansfield, Ohio warehouse (419-522-3320)
- Parcel shipping available
- Warehouse Bin Location: DPX_OH_BR549_AIR
Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).
We accept

THE REMAN CENTER. INC. dba Discount Parts Exchange
🔧 Why Choose Discount Parts Exchange?
A trusted drivetrain partner since 1997
✅ Quality Gearing
We source only high-quality OEM and aftermarket parts—dependable and built to perform.
⚡ Great Service
We understand costly downtime. Our team responds fast to get you the parts you need, when you need them.
💲 Competitive Pricing
Premium parts and expert support—without the premium price tag.
📦 Expanding Inventory
Our inventory changes daily. Don’t see what you’re looking for?
Call or email us—chances are, we have it.
24,000 SQ FT OF HEAVY-DUTY SOLUTIONS