Best Viair 40042 Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.
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Viair

VIAIR 400H Hardmount Heavy Duty 12 Volt Air Compressor, tire inflator, On-Board Air, P/N 40042

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Viair

VIAIR 444C Dual 12V Air Compressors, 200 PSI, Air Suspension (Chrome) | Dual 12V compressors for air suspension and onboard air systems, including air tanks, air bags, and air horns

HIGH-PERFORMANCE DUAL COMPRESSORS (Model: 444C, 200 PSI) - Offers unparalleled performance for continuous air suspension adjustments. Featuring two high-output compressors, it's ideal for filling large tanks, suspension, tires, and air horns.
SUPPORTS AIR SUSPENSION, TANKS & AIR HORNS: – Duty Cycle: 100% @ 100 PSI (50% @ 200 PSI). Max air tank size: 10 gal. IP67 Rated against dust and water. 10.87″L x 4.2″W x 7.06″H (Each Unit). Net Weight: 21.60 lbs.
INCLUDED FEATURES: The 444C Dual Pack includes two 444C compressors with a combined flow rate of 3.53 combined CFM, 18" stainless steel braided leader hose with 1/4" NPT check valve, thermal overload protector, and 24" of wire with pre-installed connectors.
Built-in thermal overload protector serves to protect the compressor from overheating the in harshest operating environments
HARDWARE: Heavy duty 12 volt air compressor comes with 2 air filter assemblies, 2 remote mount brackets, 2 sets remote mount fittings, 2 sets spare air filter elements, 8 sets nuts, bolts, washers, lock washers, 6 airline clips.
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Viair

Viair Corporation 48542 | Dual 12V compressors deliver up to 200 PSI and 3.92 CFM for air suspension, air bags, tanks, and air horns

DUAL 12V AIR COMPRESSORS: The VIAIR 485C Dual Pack combines two high-output compressors into one dual air compressor system. Delivering up to 200 PSI with a combined 3.92 CFM free-flow rate, this 12V air compressor kit supports air suspension systems, air tanks, air bags, air horns, and other onboard pneumatic applications for trucks, SUVs, Jeeps, and custom vehicles.
CONTINUOUS-DUTY ONBOARD AIR: Each compressor operates at a 100% duty cycle at 200 PSI, making this onboard air compressor system suitable for demanding automotive air management applications. The updated compressor head supports efficient airflow and quieter operation, while compatibility with tanks up to 10 gallons provides flexible installation options for custom vehicle builds.
AIR SUSPENSION AND AIR RIDE SUPPORT: Use this air suspension compressor kit with compatible air suspension systems, air bags, air tanks, and pneumatic accessories. The dual-compressor configuration provides increased airflow for faster tank recovery, making it a practical air ride compressor kit for trucks, SUVs, Jeeps, custom cars, and other automotive applications.
THERMAL AND ENVIRONMENTAL PROTECTION: Each heavy duty air compressor includes an integrated thermal overload protector, stainless steel braided leader hose, inline check valve, removable filter cover, and air filter assembly. IP67-rated construction helps protect against dust and temporary water exposure, supporting dependable operation in demanding onboard and off-road installations.
COMPLETE INSTALLATION PACKAGE: This Viair onboard air compressor kit includes two black 485C compressors, stainless steel leader hoses with check valves, air filter assemblies, spare filter elements, remote-mount brackets, and installation hardware. The system is designed for compatible truck, SUV, Jeep, custom vehicle, and air compressor for air bags applications.
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Viair

Great Seller
100–250 sold/mo

VIAIR 450P-RV EF 12V Tire Inflator, 150 PSI Air Compressor Kit for RVs | 150 PSI RV tire inflator delivers 2.19 CFM with a 100% duty cycle at 100 PSI for motorhomes, trailers, and truck use.

PORTABLE RV AIR COMPRESSOR: The VIAIR 450P-RV EF is an RV air compressor engineered for motorhomes, travel trailers, trucks, SUVs, and Jeeps. Its Enhanced Flow head supports improved airflow and heat dissipation, while the permanent magnetic motor delivers up to 150 PSI with a 100% duty cycle at 100 PSI for demanding roadside and travel inflation.
VERSATILE 12V POWER CONNECTION: This 12V air compressor includes a pre-installed 2-pin SAE connector and heavy-duty alligator clips for direct battery power. It also works with compatible VIAIR 7-way trailer plug adapters and SAE power accessories, giving RV and trailer owners flexible connection options at campsites, on highways, or during routine maintenance.
RV-SPECIFIC INFLATION ACCESSORIES: This RV tire inflator portable air compressor includes a gas station-style inflation gun with a 160 PSI gauge, a 45-degree extended-reach chuck for dual rear wheels, a 40-inch 90-degree twist-on chuck, 25-foot and 30-foot coiled hoses, an 8-foot power cord, inflation tips, a Presta valve adapter, and a carry bag.
BUILT FOR LARGE VEHICLE TIRES: This heavy duty tire inflator delivers a 2.19 CFM free-flow capacity and up to 150 PSI for RV, trailer, and truck tires, including Class A motorhomes. Its IP54-rated construction helps resist dust and water spray, while the continuous-duty design supports longer inflation sessions during travel and maintenance.
STABLE, TRAVEL-READY DESIGN: The lightweight patented I-Beam sand tray helps reduce vibration and provides a stable base on uneven ground. Compact enough for RV storage compartments, this portable tire inflator for truck and motorhome use is ready for road trips, camping, long-distance travel, and emergency tire pressure adjustments.
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Viair

VIAIR 485C Dual 12V Air Compressor Kit, 200 PSI, Continuous Duty, Platinum | Dual 12V compressors deliver up to 200 PSI and 3.92 CFM for air suspension, air bags, tanks, and air horns.

DUAL 12V AIR COMPRESSORS: The VIAIR 485C Dual Pack combines two high-output compressors into one dual air compressor system. Delivering up to 200 PSI with a combined 3.92 CFM free-flow rate, this 12V air compressor kit supports air suspension systems, air tanks, air bags, air horns, and other onboard pneumatic applications for trucks, SUVs, Jeeps, and custom vehicles.
CONTINUOUS-DUTY ONBOARD AIR: Each compressor operates at a 100% duty cycle at 200 PSI, making this onboard air compressor system suitable for demanding automotive air management applications. The updated compressor head supports efficient airflow and quieter operation, while compatibility with tanks up to 10 gallons provides flexible installation options for custom vehicle builds.
AIR SUSPENSION AND AIR RIDE SUPPORT: Use this air suspension compressor kit with compatible air suspension systems, air bags, air tanks, and pneumatic accessories. The dual-compressor configuration provides increased airflow for faster tank recovery, making it a practical air ride compressor kit for trucks, SUVs, Jeeps, custom cars, and other automotive applications.
THERMAL AND ENVIRONMENTAL PROTECTION: Each heavy duty air compressor includes an integrated thermal overload protector, stainless steel braided leader hose, inline check valve, removable filter cover, and air filter assembly. IP67-rated construction helps protect against dust and temporary water exposure, supporting dependable operation in demanding onboard and off-road installations.
COMPLETE INSTALLATION PACKAGE: This viair onboard air compressor kit includes two platinum 485C compressors, stainless steel leader hoses with check valves, air filter assemblies, spare filter elements, remote-mount brackets, and installation hardware. The system is designed for compatible truck, SUV, Jeep, custom vehicle, and air compressor for air bags applications.
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Viair

VIAIR 400P/40043 12V Portable Air Compressor, 150 PSI for Truck & SUV Tires | 150 PSI 12V compressor delivers 2.30 CFM for trucks, SUVs, Jeeps, RVs, and off-road tires up to 35 inches.

HIGH PERFORMANCE OFFROAD COMPRESSOR (Model: 40043, 12V, 150 PSI, 35" Tires) - The 400P Portable Truck Air Compressor is 12V heavy-duty electric air compressor for offroad enthusiasts. Its powerful, direct drive gearless motor and maintenance-free operation are perfect for tackling tough terrain. Ultra-compact and storable in its own carrying case, it's an essential tool for any off-road adventure, combining reliability with convenience.
EXPLORE WITHOUT LIMITS: Trucks, SUVs, Jeeps, Offroad Vehicles, 4x4s, Side-by-Sides, RVs, Motorcycles, Road Bikes & Mountain Bikes. *Instructions: Attach the battery clamps to your vehicle’s battery and start the engine. Connect to a valve stem and turn the unit on. When required, use the included bicycle Presta valve adapter.
INCLUDED COMPONENTS: 12V mini air compressor tire inflator has a 25 ft 5-in-1 inflator/deflator air hose with inline 100 PSI gauge, 8 ft power cord, deluxe dual-compartment carry bag, 3 inflation tips (3/16" nozzle, 5/16" nozzle, and needle adapter), and Presta Valve Adapter. Features: Aluminum I-Beam sand tray, thermal overload protector, 40-Amp inline fuse holder, press-on tire chuck.
HIGH CAPACITY SPECS for LARGE TIRES: Powered by 12 volts, this small but mighty electric air compressor with a permanent magnetic motor delivers a maximum working pressure of 150 PSI with a 33% duty cycle @ 100 PSI; Free flow capacity: 2.3 CFM. Maximum Recommended Tire Size: 35". Fills a 35" tire from 15 to 30 PSI in 2 min. 45 sec or less. IP54 rating protects against dust and water spray from any direction. Dimensions: 10.87″L x 5.83″W x 7.48″H; 10.40 lbs.
DEPENDABLE QUALITY: VIAIR offroad compressors offer you the freedom to explore further and challenge boundaries. For over 25 years, our American owned and operated company has provided top-quality portable air compressors & inflators. Our commitment to durability, continuous testing, and refinement results in long-lasting performance.
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10 Viair 40042 deals are available from: Amazon, starting from $226.00.

The lowest price we found is $226.00 while the highest is $557.93. Prices for the best Viair 40042 deals average at $362.43.