• Need Help? Contact Us
  • Office Hours:9am-2:30pm CT M-F | Closed Sat-Sun
  • Home
  • About MJ Heavy Duty Parts
  • Help Desk
  • Reviews
  •  
  • CartItems0
  • Categories
    • Manufacturers
      • Binkley Trailer
      • Bluebird Coach
      • Bosch OTC Tools
      • BWP-NSI Air Springs
      • Chalmers Suspensions
      • Chevrolet & GMC Class 6+
      • Continental Contitech
      • Dana Webb
      • Dayton
      • Firestone Air Springs
      • Fontaine 5th Wheel
      • Ford Sterling Suspension
      • Freightliner
      • Fruehauf
      • Gabriel FleetLine & Gas SLX Shocks
      • Genuine Reyco Granning
      • Goodyear Air Springs
      • Granning
      • Great Dane
      • Hendrickson
      • Hino
      • Holland 5th Wheel Bushings
      • Hutchens Suspension
      • International Navistar Suspension
      • Ken-Tool Tire Tools
      • Kenworth Suspension Parts
      • Mack Suspension Parts
      • Monroe Gas Magnum Shocks
      • Neway Suspensions
      • Optronics Lighting
      • Page and Page Suspensions
      • Peterbilt Suspension
      • Ranger Brake Products
      • Reyco Transpro Suspensions
      • Ridewell Suspensions
      • Spartan Motor Home
      • Trailmobile Suspensions
      • Volvo Suspensions
      • Watson & Chalin Suspensions
      • Western Star Suspensions
    • Spring and Suspension Components
      • Air Springs
      • Axle Seats and Spacers
      • Bottom Plates
      • Bushings and Mounts
      • End Caps
      • Equalizers
      • Hangers and Shackles
      • Hardware
      • Leaf Spring Misc Hardware
      • Saddle Caps and Top Plates
      • Shock Absorbers and Bushings
      • Spring Pins, Center Bolts, Pins and Repair Plates
      • Spring Eye Bushings - Bi-Metal, Bronze, and Rubber
      • Threaded Rod and U-Bolt Blanks
      • Torque Arms
      • Trunnions
      • U-Bolt Hi-Nuts and Washers
      • U-Bolt Kits
    • Brake, Wheel End and Misc
      • Air Disc Brake Calipers
      • Air Disc Brake Pads
      • Air Line
      • Universal Air Tanks
      • Air Valves, Shifter Knobs and Misc
      • Anti-Lock ABS Brake Sensors & Extensions
      • Drive Flange Axle Hardware
      • Axle Nuts and Washers
      • Body Mounting Kits
      • Air Brake Camshafts and Parts
      • Air Brake Chambers and Hardware
      • Brake Dust Shields
      • Brake Shoe Hardware and Repair Kits
      • Brake Slack Adjusters and Hardware
      • Brake Spiders
      • Brass and Composite Air Fittings
      • Wheel Nut Bulk Packs
      • Cargo Straps, Bars, Winches and Tarp Straps
      • Chemicals and Fluids
      • Document Holders
      • Exhaust Clamps
      • Electric Coils, Cables and Switches
      • Engine Sensors
      • Fifth Wheel Repair Parts and Rebuild Kits
      • High Tensile Double Ended Studs
      • Glad Hands, Seals and Locks
      • Hub Caps, Gaskets and Plugs
      • Hub Seals and Hub Bearings
      • Wheel Hubs
      • Lighting
      • Mud Flap Mounting Brackets
      • Steer Axle Components
      • Shop Tooling
      • Trailer Door, Body and Landing Gear
      • Trailer King Pins, Locks and Accessories
      • U-Joints
      • Wheel Nuts, Studs and Clamps
    • Hopper Trailer Parts
  • Brands
    • Aftermarket
    • Airtech
    • BWP-NSI by Infinity
    • Celect Braking
    • Continenal
    • Continental ContiTech
    • Featherwing
    • Firestone Air Springs
    • Gabriel
    • Goodyear
    • HDValue
    • James King
    • Ken-Tool
    • Monroe
    • NSI (Aftermarket)
    • Optronics Lighting
    • OTC / Bosch Automotive
    • Prime-Ride by ContiTech
    • RevHD
    • Reyco Granning
    • SpringRide
  • New Items
  • On Sale
  • Log InMy Account
    • Log In
    • Register
  1. Home
  2. Manufacturers
  3. Peterbilt Suspension
  4. Flex Air Rear Suspension

Top Sellers

Torque Arm 24-5/8 For Kenworth AG380 and Peterbilt Flex Air
Torque Arm 24-5/8 For Kenworth AG380 and Peterbilt Flex Air
$114.48
Front Torque Arm 23-3/4 For Kenworth AG380 and Peterbilt Flex Air
Front Torque Arm 23-3/4 For Kenworth AG380 and Peterbilt Flex Air
$123.16
MA10F - Nut Nylon Lock 7/8-14x15/16Ht
MA10F - Nut Nylon Lock 7/8-14x15/16Ht
$16.00

Recently Added

1/2
1/2" x 5-3/8" Air Spring Stud. Peterbilt C34-6004
$10.15
1/2
1/2" x 5" Air Spring Stud, Flex Air & Air Trac
$5.69
Monroe 65495 Gas-Magnum 65 Shock Absorber
Monroe 65495 Gas-Magnum 65 Shock Absorber
$76.52
MA10AQ - Bolt 7/8-14x6 1/2 G8
MA10AQ - Bolt 7/8-14x6 1/2 G8
$42.08
Steel Lock Nut, 7/8
Steel Lock Nut, 7/8"-14 x 27/32" Ht x 1-5/16" Hex
$15.80
Track Rod Assembly 17-11/32
Track Rod Assembly 17-11/32" For Kenworth AG380 and Peterbilt Flex Air
$166.24
Front Torque Arm 23-3/4 For Kenworth AG380 and Peterbilt Flex Air
Front Torque Arm 23-3/4 For Kenworth AG380 and Peterbilt Flex Air
$123.16
Suspension Bolt Kit, 5/8
Suspension Bolt Kit, 5/8"-11 x 5-1/2" with Nuts
$29.46
(1)
Genuine Goodyear 1R12-669 Air Spring
Genuine Goodyear 1R12-669 Air Spring
$180.39
Genuine Firestone W01-358-8813 Air Spring
Genuine Firestone W01-358-8813 Air Spring
$208.17

Manufacturer

Flex Air Rear Suspension


Grid View
List View

Products [18]

Sort by:
Item In Cart Genuine Firestone W01-358-8813 Air Spring
Save For Later
Genuine Firestone W01-358-8813 Air Spring
$208.17
Item In Cart Genuine Goodyear 1R12-669 Air Spring
Save For Later
Genuine Goodyear 1R12-669 Air Spring
$180.39
Item In Cart Torque Arm Alignment Shim - 0.063
Save For Later
Torque Arm Alignment Shim - 0.063" Thick
$10.95
Item In Cart Suspension Bolt Kit, 5/8
Save For Later
(1)
Suspension Bolt Kit, 5/8"-11 x 5-1/2" with Nuts
$29.46
Item In Cart Torque Arm Bolt Kit, 5/8
Save For Later
Torque Arm Bolt Kit, 5/8"-18 x 4-3/8" Long
$28.10
Item In Cart Spring Eye Bushing For Kenworth AG380 and Peterbilt Flex Air
Save For Later
Spring Eye Bushing For Kenworth AG380 and Peterbilt Flex Air
$48.05
Item In Cart Spring Eye Bushing For Kenworth AG380 and Peterbilt Flex Air
Save For Later
Spring Eye Bushing For Kenworth AG380 and Peterbilt Flex Air
$77.25
Item In Cart Front Torque Arm 23-3/4 For Kenworth AG380 and Peterbilt Flex Air
Save For Later
Front Torque Arm 23-3/4 For Kenworth AG380 and Peterbilt Flex Air
$123.16
Item In Cart Torque Arm 24-5/8 For Kenworth AG380 and Peterbilt Flex Air
Save For Later
Torque Arm 24-5/8 For Kenworth AG380 and Peterbilt Flex Air
$114.48
Item In Cart Track Rod Assembly 25-1/2 For Kenworth AG380 and Peterbilt Flex Air
Save For Later
Track Rod Assembly 25-1/2 For Kenworth AG380 and Peterbilt Flex Air
$95.56
Item In Cart Roller Bolt Kit, 5/8
Save For Later
Roller Bolt Kit, 5/8"-18 x 5-1/2" L - Roller, Bolt and Nut
$76.00
Item In Cart Steel Lock Nut, 7/8
Save For Later
Steel Lock Nut, 7/8"-14 x 27/32" Ht x 1-5/16" Hex
$15.80
Item In Cart MA10AQ - Bolt 7/8-14x6 1/2 G8
Save For Later
MA10AQ - Bolt 7/8-14x6 1/2 G8
$42.08
Item In Cart MA10F - Nut Nylon Lock 7/8-14x15/16Ht
Save For Later
MA10F - Nut Nylon Lock 7/8-14x15/16Ht
$16.00
Item In Cart Monroe 65495 Gas-Magnum 65 Shock Absorber
Save For Later
Monroe 65495 Gas-Magnum 65 Shock Absorber
$76.52
Item In Cart Track Rod Assembly 17-11/32
Save For Later
Track Rod Assembly 17-11/32" For Kenworth AG380 and Peterbilt Flex Air
$166.24
Item In Cart 1/2
Save For Later
1/2" x 5" Air Spring Stud, Flex Air & Air Trac
Peterbilt 27-00173
$5.69
Item In Cart 1/2
Save For Later
1/2" x 5-3/8" Air Spring Stud. Peterbilt C34-6004
Peterbilt C34-6004
$10.15
pagination
New Items
Always Incoming
Shop Secure
Fully Encrypted Cart
Fast Shipping
Continental U.S.
Easy Returns
30 Days Hassle Free
Assistance
  • Need Help? Visit our Help Desk
Information
  • Military & First Responder Discount
  • Blog
  • Terms & Conditions
  • Air Spring Master Cross Reference
  • Product Index
  • Category Index
Connect with Us
Copyright 2023 MJ Heavy Duty Parts LLC. All Rights Reserved.Design by The Cart Designer
TOP

Categories

  • CATEGORY
    • CATEGORY

Menu Links

  • Home
  • About MJ Heavy Duty Parts
  • Help Desk
  • Reviews

Store Login

Reset my password
Logo