Facebook
Instagram
Linkedin

Free Shipping on orders over $125 of qualifying items

Text Us at 610-872-2020

Buy Online, Pick Up In Store

USD

Hot Deals
Help
- B2B Portal Login
- Chat with us
- Email Us
- Call us at 610-872-2020
- Shipping & Returns
- 1915 Chester Pike
  Eddystone, PA 19022
  610-872-2020

Toggle menu

Compare Selected
Recent Searches Clear
Popular Searches

Donaldson Filters

Mufflers

Group 31 Batteries

Gray Transmission Jacks

DOT Fittings

LockNLube
What can we help you find?

Search
- Sign In
- Create Account

Online Store
All Categories

Create Account | Sign In
- HOT DEALS
- VISUAL SEARCH
- GRAY SHOP EQUIPMENT
  GRAY SHOP EQUIPMENT
  Shop All
  
  Gray Transmission Jacks & Accessories
  
  Gray Floor & Service Jacks
  
  Gray Wireless & Pneumatic Lifts
  
  Gray Jack Stands
  
  Gray Fluid Handlers & Filter Crushers
  
  Gray Engine Stands, Cranes & Hoists
  
  Gray Presses & Accessories
  
  Gray Wheel & Brake Dollies
  
  Gray Locknut Sockets
  
  Gray Repair Parts
- ABS Sensors, Cables & Accessories
  ABS Sensors, Cables & Accessories
  Shop All
  
  ABS Sensors
  
  Brackets & Mounts
  
  Extension Cables
  
  Valves, Motors & ECU's
- Air System Parts
  Air System Parts
  Shop All
  
  Air Dryers, Cartridges & Parts
  
  Air Tanks & Parts
  
  Compressors, Governors & Parts
  
  Compressor Discharge Lines
  
  Dash Parking / Emergency Brake Valves and Parts
  
  Pressure & Light Switches
  
  Valves- Relay, Quick Release, Foot, Check
- Brakes
  Brakes
  Shop All
  
  Air Brake Parts
  
  Hydraulic Brake Parts
- Belts, Tensioners & Pulleys
  Belts, Tensioners & Pulleys
  Shop All
  
  Belt Tensioners & Idlers
  
  Serpentine / Micro-V Belts
  
  V-Belts
- Chassis & Suspension
  Chassis & Suspension
  Shop All
  
  Cab & Seat Air Bags
  
  Height Control
  
  King Pins & Parts
  
  Shocks
  
  Suspension Air Bags
  
  Suspension Parts & Bushings
  
  Tie Rods
  
  Hydraulic Cylinders
  
  Torque & Control Rods
- Chemicals, Oils & Fluids
  Chemicals, Oils & Fluids
  Shop All
  
  Adhesives & Gasket Makers
  
  Anti-Freeze & Coolant
  
  Anti-seize & Thread Sealants
  
  Bearing & Multipurpose Greases
  
  Brake Fluid
  
  Cleaners & Degreasers
  
  Diesel Exhaust Fluid & Related
  
  Electrical Greases & Sealants
  
  Fuel Additives & Cleaners
  
  Gear Oil
  
  Hand Cleaners & Sanitizers
  
  Hydraulic Oil
  
  Oils & Related
  
  Paint
  
  Power Steering Fluid
  
  Specialty Repair Adhesives & Greases
  
  Threadlockers
  
  Transmission Fluids
  
  Washer Fluid
  
  Winter Chemicals
- Cooling
  Cooling
  Shop All
  
  Charge Air Cooler and Intake Hoses
  
  Coolant Hoses
  
  Fan Clutches, Kits & Fans
  
  Coolant Level Sensors, Fan Switches & Solenoids
  
  Surge Tanks & Caps
  
  Thermostats & Gaskets
  
  Water Pumps
- Driveline
  Driveline
  Shop All
  
  Center Support / Hanger Bearings
  
  PTO & Driveshaft Parts
  
  U-Joints & Parts
- Electrical
  Electrical
  Shop All
  
  Alternators
  
  Batteries
  
  Battery Cables
  
  Battery Disconnect Switches
  
  City Horns
  
  Battery Mounts, Boxes & Hardware
  
  Button, Push/ Pull and Misc Switches
  
  Electrical Tools
  
  Fuses & Circuit Breakers
  
  Ignition & Starter Switches
  
  OEM Switches
  
  Relays
  
  Rocker & Toggle Switches
  
  Solenoids
  
  Starters
  
  Wire & Cable
  
  Wire & Cable Terminals, Connectors and Accessories
  
  Wire & Cable Ties
- Engine, Transmission & Rear Axle Parts
  Engine, Transmission & Rear Axle Parts
  Shop All
  
  Fuel Pumps & Injectors
  
  Clutches
  
  Clutch Install Accessories
  
  Clutch Master & Slave Cylinders
  
  Flywheels
  
  Oil Drain Valves
  
  Oil Filler Caps
  
  Power Steering
  
  Rear Axle Parts
  
  Sensors, Switches & Modules
  
  Shifter Parts
  
  Transmission Parts
- Engine Heaters
  Engine Heaters
  Shop All
  
  Battery & Filter Blankets
  
  Block, Freeze Plug & Immersion Heaters
  
  Cords & Replacement Parts
  
  Hose, Circulation Heaters and Tanks
  
  Other Heater Products
- Exhaust
  Exhaust
  Shop All
  
  DPF / Aftertreatment Parts
  
  Donaldson Mufflers
  
  Exhaust Pipes
  
  Hangers & Body Clamps
  
  Heat Shields & Mounting
  
  Pipe & Muffler Clamps
  
  Rain Caps
  
  Turbo & Flange Clamps
- Exterior Parts
  Exterior Parts
  Shop All
  
  Air Horns
  
  CB's, Radios, Antennas and Accessories
  
  Chrome Parts
  
  Exterior Parts
  
  Fifth Wheel Parts
  
  Fuel & DEF Caps
  
  Mudflaps, Brackets & Hardware
  
  Quarter Fenders
  
  Windshield Wipers, Motors, Washer Bottles & Parts
- Filters
  Filters
  Shop All
  
  Air Filters, Cabin Filters & Crankcase Filters
  
  Coolant & DEF Filters
  
  Filter Heads & Filter Accessories
  
  Filter Kits
  
  Fuel Filters & Fuel Water Separators
  
  Hydraulic Filters & Accessories
  
  Oil Filters
  
  Pre-Cleaners & TopSpins
  
  Transmission & Power Steering Filters
- Fuel & Transfer Pumps, Nozzles & Accessories
  Fuel & Transfer Pumps, Nozzles & Accessories
  Shop All
  
  Hoses & Accessories
  
  Meters
  
  Nozzles
  
  Pumps & Kits
- HVAC Parts
  HVAC Parts
  Shop All
  
  A/C Compressors
  
  A/C Driers, Accumulators, TXV's & Parts
  
  Blower Motors
  
  Sensors & Switches
  
  Service Parts & Kits
- Interior Parts
- Lighting
  Lighting
  Shop All
  
  Stop, Tail & Turn Signal Lamps
  
  Marker, Clearance & Running Lamps
  
  Back-up Lamps
  
  Box Type S/T/T Combo Lamps
  
  Betts Trailer Lighting
  
  Headlamp Assemblies
  
  Headlamp Capsules, Sealed Beams & Mini-Bulbs
  
  Utility & Work Lamps
  
  Dome & Courtesy Lamps
  
  License Plate Lamps
  
  Grommets, Brackets, Mounts & Accessories
  
  Harnesses & Pigtails
  
  Safety & Warning Lights
  
  Turn Signal Switches & Flashers
- Mirrors
  Mirrors
  Shop All
  
  Convex & Spot Mirrors
  
  Mirror Brackets & Assemblies
  
  Mirror Heads
  
  OEM Replacement Mirrors
- Safety, Cargo Control & DOT
  Safety, Cargo Control & DOT
  Shop All
  
  Backup Alarms
  
  Fire Extinguishers
  
  Gloves
  
  Load Control- Straps, Chains, Bungees
  
  Load Signs, Flags & Markers
  
  Placards, Trailer & Hazmat Markings
  
  Reflectors, Tape & Strips
  
  Spill Control
  
  Tarps, Systems & Parts
- Tire Chains & Accessories
  Tire Chains & Accessories
  Shop All
  
  Crosslinks, Tensioners and Repair Parts
  
  HD Truck Chains
  
  Light Truck, SUV & Passenger Vehicle Chains
  
  Tire Chain Tools & Accessories
- Towing & Trailers
  Towing & Trailers
  Shop All
  
  Record & Document Holders
  
  Landing Gear & Parts
  
  Light Trailer Parts
  
  Trailer Air Hoses & Related
  
  Trailer & Accessory Electrical Cables
  
  Sockets & Noseboxes
  
  Plugs & Adapters
  
  Trailer & Pintle Hitches
  
  Trailer and Box Parts
- Tools & Equipment
  Tools & Equipment
  Shop All
  
  Air Tools
  
  Brake Tools
  
  Chargers, Boosters & Jump Packs
  
  Filter Wrenches
  
  Fluid Pumps & Accessories
  
  Grease Guns & Accessories
  
  Hand Tools
  
  Impact Sockets
  
  Jacks & Equipment (Non-Gray)
  
  PACKOUT Modular Systems
  
  Power Tools
  
  Safety Glasses
  
  Tire Gauges & Chucks
  
  Work Lighting, Flashlights & Bulbs
  
  Other Tools
- Wheel End
  Wheel End
  Shop All
  
  Axle & Spindle Nuts
  
  Drive Flange Gaskets, Nuts & Studs
  
  Hub Caps & Parts
  
  Tire Inflation Systems & Parts
  
  Wheel Nuts
  
  Wheel Studs
  
  Wheel Clamps, Nuts & Bolts
  
  Wheel Bearings
  
  Wheel Hubs
  
  Wheel Nuts Caps & Covers
  
  Wheel Seals
- Brands
  Brands
  Shop All
  
  Donaldson
  
  Automann
  
  Gates
  
  Baldwin
  
  Grote
  
  Donaldson Exhaust
  
  Bendix
  
  Truck-Lite
  
  Milwaukee
  
  Raybestos
- Wish Lists
- Hot Deals
About
Shipping
Contact
- Contact Us
- Privacy Policy
B2B Customers
Gray Jacks and Lift Equipment

Sign In or Create Account

Call Us: 610-872-2020

Home
Belts, Tensioners & Pulleys
Belt Tensioners & Idlers
Automatic Belt Tensioners

Automatic Belt Tensioners

Show Filters Hide Filters

86 Products

Sort:

Filter by

Close Filters

No filters applied

Show Filters Hide Filters

Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38569 Fleetrunner Auto Belt Tensioner- Smooth- Freightliner / International / PACCAR

$184.34
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38634 Fleetrunner Auto Belt Tensioner- Smooth- International

$135.29
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38508 Fleetrunner Auto Belt Tensioner- Smooth- Freightliner / PACCAR (SO)

$210.21
Sale

Wishlist Compare

Add to Cart The item has been added

Gates

Gates 90K-38671HDA Serpentine Drive Component Kit- Mack / Volvo- Replaces 21454379 plus Belt

$323.21

$306.11
Wishlist Compare

Add to Cart The item has been added

Kit Masters

Kit Masters 689477 PolyForce Auto Belt Tensioner- Mack / Volvo- replaces 21454379

$200.43
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38102 DriveAlign Automatic Belt Drive Tensioner- 93-00 Ford 4.0l

$63.28
Sale

Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38103 DriveAlign Automatic Belt Drive Tensioner- GM

$60.39

$45.76
Sale

Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38104 DriveAlign Automatic Belt Drive Tensioner- GM

$71.82

$49.31
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38107 DriveAlign Auto Belt Tensioner-Smooth- GM

$40.31
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38108 DriveAlign Auto Belt Tensioner-Smooth- GM

$79.16
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38116 DriveAlign Auto Belt Tensioner- 7 Groove Micro-V- Dodge

$113.90
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38118 DriveAlign Auto Belt Tensioner- Smooth- GM 6.5l

$79.23
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38119 DriveAlign Auto Belt Tensioner- Smooth- Ford

$94.08
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38131 DriveAlign Auto Belt Tensioner- Smooth w/ Lip- Ford

$93.13
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38133 DriveAlign Auto Belt Tensioner- Smooth- Ford

$69.32
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38138 DriveAlign Auto Belt Tensioner- Smooth- Ford

$92.37
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38157 DriveAlign Auto Belt Tensioner- Smooth- Dodge

$99.34
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38159 DriveAlign Automatic Belt Drive Tensioner- 99-08 GM 5.3l

$54.23
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38172 DriveAlign Auto Belt Tensioner- 6 Groove Micro-V- GM

$93.06
Wishlist Compare

Add to Cart The item has been added

Gates

Gates 38189 DriveAlign Auto Belt Tensioner- Smooth- Ford

$49.88