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Please Note: Cut-off for Same Day Shipping has been temporarily changed to 2:00 PM Central Time due to volume.

Recently Added

Spring Tip Insulator, M12 X 1.2 Thd., 3-1/8
Spring Tip Insulator, M12 X 1.2 Thd., 3-1/8" Diameter - Kenworth EX1-1001-3
$36.32
(0)
ABS Extension Cable, 23' (7m) Replaces Wabco S4497130700
ABS Extension Cable, 23' (7m) Replaces Wabco S4497130700
$22.11
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M-4288 - Tie Rod End 1-16 LH - CLEARANCE
M-4288 - Tie Rod End 1-16 LH - CLEARANCE
$10.00
(0)



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MJ Heavy Duty Parts is a small, family owned, online distributor of semi-truck and trailer parts - bringing you the right parts, at the right price and delivered to you at the right time.
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  3. U-Bolt Kits

U-Bolt Kits

All U-Bolt Kits include:
  • 2 U-Bolts
  • 4 U-Bolt Washers
  • 4 Hi-Nuts
Custom U-Bolt bends are available upon request. Please contact us for a custom bend quote.
  • 1/2 1/2" U-Bolt Kits
  • 9/16 9/16" U-Bolt Kits
  • 5/8 5/8" U-Bolt Kits
  • 3/4 3/4" U-Bolt Kits
  • 7/8 7/8" U-Bolt Kits
  • 1 1" U-Bolt Kits Includes 2 Bolts, 4 Nuts and 4 Washers
  • 1-1/8 1-1/8" U-Bolt Kits Includes 2 Bolts, 4 Nuts and 4 Washers
  • 1-1/4 1-1/4" U-Bolt Kits Includes 2 Bolts, 4 Nuts and 4 Washers
  • Forged Top U-Bolt Kits Forged Top U-Bolt Kits
  • Special Bend U-Bolt Kits (Ford, Freightliner, etc) Special Bend U-Bolt Kits (Ford, Freightliner, etc)
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