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TeraFlex HD Dana 44/30 Upper and Lower Ball Joints Set of 4 (Wrangler JK 2007-2018)


Part Numbers:
TER3442022 (With Knurling)
TER3442002 (Without Knurling)


  • Fits 2007 to 2018 JK Wrangler, Rubicon and Unlimited with Dana 30 or Dana 44 front axles.
  • 2 and 4-door models

TeraFlex JK: HD Ball Joints are engineered to handle the increased load caused by oversized tires and offset wheels.

Features & Benefits:

• Heat treated 4140 chromoly ball/stud and 1045 carbon steel housing

• Magnesium Phosphate coating to inhibit corrosion throughout

Upper Ball Joint:

• Extremely hard sintered wear bushings to handle extreme side load demands w/out failure

• Factory-style serrated flange nut and grease fitting

Lower Ball Joint:

• Hard alloy tool steel slotted wear plate for ball/stud to socket wear protection

• Wear plate features dual helical grease channels for increased flow through entire joint ensuring longevity and predictable operation

• Factory-style serrated flanged castle nut
• Low-profile single lip dust seal prevents contaminants

• 30mm (1.18”) adjustable ball stud for accurate initial and future preload adjustments using simple hand tools

• 2 grease zerk fittings allow greasing access from either side

Options for Knurling:

• Ball Joints w/out Knurl won’t score the inner knuckle and open the bore.

• Ball Joints w/ Knurl are for inner knuckles that have a “loose press fit” due to repeated ball joint replacement and/or where knurled ball joints have been installed.


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TeraFlex HD Dana 44/30 Upper and Lower Ball Joints Set of 4 (Wrangler JK 2007-2018)
Knurling Options
USD $ 306.99




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