Our Bare HD Front Axle Housings feature a heavy-duty housing with axle tubes, bracketry, and forged inner knuckles as well as pre-installed inner seals and upper control arm bushings. Transfer your existing components to the new housing!

TeraFlex HD Front Axle Housings are perfect for replacing bent, broken, or damaged axles JL and JK Wrangler/Unlimited and JT Gladiator vehicles including Rubicon models. Can also be used as a direct bolt-on upgrade for Jeep owners looking to beef up the stock axle’s weak areas.
Our Bare HD Front Axle Housings feature a heavy-duty housing with axle tubes, front inner axle shafts (JL and JT), bracketry, and forged inner knuckles as well as pre-installed inner axle seals and upper control arm bushings.
Transfer your existing internal components (differential, ring & pinion) and outer components (stub shafts, unit bearings, knuckle assembly, brakes, sensors) to the new housing! Compatible with Dana 30 AdvanTEK (M186) internal components.

JL Wrangler/Unlimited:
• Lift Height: 0–5”
• WMS-WMS: 66.5”
• Axle Tube: 3.25” x 0.5”
• Locker: NA
• Axle Shafts: 27-Spline
• Wheel Bolt Pattern: 5x5”
• Gear Ratio: NA
• Eliminates center axle disconnect
• Compatible with Dana 30 AdvanTEK (M186) internal components
• CALL CUSTOMER SERVICE FOR OPTIONS
Tera30 HD Front Axle:
• 3.25” O.D. x 0.5” wall extreme duty axle tube increases torsional strength to resist bending (JL)
• Asymmetric housing design for extra-long tube side strength
• Pre-installed inner axle seals
• HD forged inner knuckles w/ greater upper and lower section strength
• Ductile cast iron housing w/ increased rib gussets
• HD ductile iron differential cover w/ increased cover mounting area
• Smooth radius bottom design to glide over rocks and obstacles
• Integrated lower control arm skid plates
• High-flow oil passages and bottom oil drain hole for simple fluid changes
• UV protected triple-stage powder coat for corrosion resistance
• 1/4”-thick CNC laser cut axle brackets for extreme strength
• Integrated factory location upper control arm mount
• Pre-installed upper control arm bushings
• Proper pinion angle and raised track bar bracket for lifted applications
• Pre-drilled holes on spring perches for bump stop extension bolts
• Retains all factory ESP, ABS, and speedometer sensor capability
• 100% engineered, designed, and built in the USA w/ new components
• 1-Year/Unlimited Mileage Warranty

Vehicle(s):
• JL Wrangler (2-door)
• JL Wrangler Unlimited (4-door)
Specs:
• Lift Height: 0–5”
• WMS-WMS: 66.5”
• Axle Tube: 3.25” x 0.5”
• Locker: NA
• Axle Shafts: 27-Spline
• Wheel Bolt Pattern: 5x5”
• Gear Ratio: NA
• Eliminates center axle disconnect
• Compatible with Dana 30 AdvanTEK (M186) internal components
• CALL CUSTOMER SERVICE FOR OPTIONS

8 Hours (includes gear setup) install time

• Does NOT work w/ Front Axle Disconnect.
• Factory Front Inner Right Axle Shaft – does NOT work w/ Tera30 HD Front Axle Housing.
• Tera30 HD Front Inner Right Axle Shaft will work w/ factory Dana 30 AdvanTEK (M186) Front Axle.
Requirements & Recommendations:
• CALL CUSTOMER SERVICE FOR OPTIONS
• Long Control Arm & Bracket Kit – 8-Arm (Alpine IR: JL2: # 1310512 or JL4: # 1310510) (Alpine: JL2: # 1316012 or JL4: # 1316010)
• Short Control Arm Kit – 8-Arm (Alpine IR: # 1416510 or Alpine: # 1416610)
• Sport Frame Bracket Kit – Front Control Arm (# 1938125)
• Sport Control Arm Kit – Front Lower (# 1253000)
• HD Forged Adjustable Track Bar (Front: # 1753420 and/or Rear: # 1754420)
• HD Forged Drag Link Kit & HD Chromoly Tie Rod Kit (# 1863900)
• HD Forged Drag Link Kit (# 1863920)
• HD Chromoly Tie Rod Kit (# 1863910)
• Delta Brake System – 5x5” (Front & Rear: # 4403450 or Front: # 4403451)