Silicone Vacuum Hose Kit | 6 Sizes 5FT Each + 113PCS Connectors | For GMC Heavy-Duty Trucks, Luxury SUVs & Commercial Vehicles

Fitment:

Engineered for GMC’s Professional Grade Engineering, Heavy-Duty Reliability & Premium Family Utility: Universal fit for all GMC road-going models, including heavy-duty pickup trucks, full-size luxury SUVs, midsize crossovers, and commercial vehicles:

Sierra 1500/2500 HD/3500 HD (All Generations | Including SLE, SLT, AT4, Denali, Denali Ultimate Series), Canyon (All Generations | Including AT4, Denali Series), Yukon/Yukon XL (All Generations | Including SLE, SLT, AT4, Denali Series), Acadia, Terrain, Savana Cargo/Passenger Van, Envoy, Jimmy, Sonoma, Safari Van
Important Note: This kit is designed for GMC’s street-legal air and water transfer systems, including brake boost vacuum circuits, 4WD/4x4 actuator controls, transmission cooling, engine vacuum management, HVAC systems, and trailer brake vacuum supply. NOT FOR professional racing, off-road competition, or sustained extreme high-load overlanding. Please confirm your required inner diameter before ordering to ensure perfect fitment for your GMC.

Package Included:

6 × Black Reinforced Silicone Hoses (5ft / 1.5m per hose)

Inner Diameter: 1/8" (3mm) | 5/32" (4mm) | 3/16" (5mm) | 1/4" (6mm) | 5/16" (8mm) | 3/8" (10mm)
113 × High-precision ABS Assorted Connectors (full assortment for all common GMC street-legal line configurations)

Specifications:

Hose Material: High-Temp Reinforced Silicone
Connector Material: Precision-Molded Heavy-Duty ABS
Wall Thickness: ~3mm (anti-collapse thick-wall design)
Working Pressure: 43PSI
Burst Pressure: 100PSI (high temperature) / 130PSI (room temperature)
Operating Temperature Range: -40°F ~ 428°F (-40°C ~ 220°C) Hose only; ABS connectors have a long-term safe operating temperature of 194°F (90°C)
Single Hose Length: 5ft (1.5m, easily cut to custom length)
Color: Matte Black
Approved Application: Street-legal air & water transfer only

Features:

✅ Professional Grade Silicone Solves GMC Owners’ Core Pain Points

Crafted from high-grade reinforced silicone that outperforms GMC’s factory rubber hoses, with exceptional heat resistance, oil mist tolerance, and anti-aging performance for daily street, highway, and legal highway towing use. It will not soften, turn gummy, crack, or degrade over time — perfectly addressing the two biggest headaches for GMC owners: exorbitantly priced OEM parts (premium Denali and HD series factory hoses cost 4-6x more than this kit), and discontinued, hard-to-find components for classic trucks and SUVs. Aligned with GMC’s Professional Grade build quality for daily family driving, commercial fleet use, highway towing, and classic vehicle restoration.

✅ 3mm Thick-Wall Anti-Collapse Design for GMC’s Heavy-Duty Demands

~3mm heavy-duty wall construction eliminates hose collapse, pinching, or deformation even under tight bends, standard street driving vacuum loads, factory turbocharged and V8 powertrain conditions, and legal highway towing. Purpose-built for GMC’s heavy-duty Sierra HD pickups, full-size Yukon SUVs, and commercial Savana vans, ensuring stable, factory-spec operation for critical systems including brake boost vacuum, 4WD transfer case actuators, trailer brake vacuum supply, and emission control circuits during regular road use and loaded towing.

✅ Wide Temperature Tolerance for GMC’s All-Weather & All-Season Use

The reinforced silicone hose handles the full range of daily driving and heavy-duty highway conditions: frigid winter cold starts for 4WD work trucks and family SUVs, normal engine bay heat from V8 and Duramax diesel engines during long-haul highway trips, and regular thermal cycling from stop-and-go commercial fleet use. It maintains full flexibility and structural integrity where standard rubber hoses fail, preserving the reliable operation of your GMC’s critical systems in regular street and highway scenarios.

✅ Complete Connector Kit for Full GMC Repair & Commercial Fleet Efficiency

The full assortment of precision-molded ABS connectors covers nearly all GMC street-legal vacuum, coolant, and air line configurations, enabling full OEM replacement, engine bay re-routing, factory-spec maintenance, commercial fleet repairs, or classic truck restoration projects without extra specialty parts. It delivers leak-free, airtight sealing for regular street and highway use, eliminating downtime for commercial fleet vehicles and the hassle of sourcing rare OEM connector parts for both modern and vintage GMC models.

✅ Cut-to-Length Customizability for All GMC Platforms & Projects

Each hose comes in a 5ft (1.5m) length, easily cut to your exact required dimensions. This kit is perfect for OEM hose replacement, engine bay detailing, coolant line repairs, vacuum system restoration, or factory-spec maintenance on any road-going GMC platform — from daily-driven midsize crossovers and family luxury SUVs to heavy-duty commercial work trucks, highway towing pickups, and collectible classic truck restorations.

Usage Guidelines:

Approved Applications (Street-Legal Daily & Highway Use Only):

Air transfer (vacuum lines, hot air, steam) for regular road and highway use
Water / coolant circulation for factory-spec street vehicles
Auxiliary cooling for transmission, engine, and HVAC systems
Legal highway trailer brake vacuum supply systems

Strictly Prohibited Applications:

Professional racing, off-road competition, rock crawling, or sustained extreme high-load overlanding
Gasoline, diesel, oil, fuel, natural gas lines
Grit, sand, sharp particles, high-pressure blasting
High-pressure fuel system components
Power modifications exceeding 50% over factory horsepower
Sustained heavy-load operation beyond factory street-legal towing limits

Installation Guide (GMC DIY & Fleet Mechanic Friendly)

Cut the silicone hose to your desired custom length for your GMC’s street-legal system layout
Select and attach the appropriate included precision ABS connector
Install into your GMC’s vacuum, cooling, thermal management, or air transfer system
Flexible routing ensures no pinching, no kinks, and no leaks for long-lasting reliable performance in regular street and highway use, even in heavy-duty truck engine bays
Important: Allow the system to fully seat before operation, avoid high-pressure washing on the connection points within 24 hours of installation.

Customer Support:

All hoses and connectors are quality tested to meet strict street-legal performance standards, built to match the rigorous demands of GMC’s heavy-duty trucks, luxury family SUVs, and commercial fleet vehicles.

Unsure about size or fitment for your road-going GMC? Message us first for fast, professional fit confirmation and dedicated support aligned with GMC’s Professional Grade service standards.

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