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ARB Differential Carrier - RD121

Authorized Dealer
Brand: ARB ARB
0 reviews
  • Have a product question? Ask us
  • Part Number: RD121
  • Part Location: U.S.
  • Availability: 7 In Stock
  • Delivery: Ships Out in 1 - 2 Business Days
  • If purchased before 12:00 EDT - estimated delivery by May 27
Retail: $1,174.94
Price: $1,118.99
You Save: $55.95
Axle Model
Toyota 8 Inch
Gear Ratio
3.73 And Down
Journal Size
1.31 Inch
Material
Iron
Spline Count
30
Type
Locking
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ARB Differential Carrier

Differential Carrier; Air Locker; Toyota 8 Inch IFS - With 53 Millimeter Bearing; Locking Differential; 30 Spline; 3.73 And Down Ratio; Requires Differential Locker Compressor (See Required Parts); With Carrier/ Switch/ Solenoid Valve/ Air Line And Fittings

MPN: RD121

A relentless commitment to research and design, the use of high quality materials and an uncompromising approach to manufacturing have all contributed to Air Locker's success in over 100 countries worldwide. The patented design of the ARB Air Locker is extremely strong, with structural components manufactured from aerospace grades of alloy steel. Recent developments have seen forged gears and an improved two piece design add increased strength and durability, while reducing the amount of moving parts to ensure precision amongst components and a much firmer and responsive activation. These additions have also resulted in increased load bearing capabilities. The design process of an Air Locker involves countless hours of testing. Computerized Finite Element Analysis (FEA) allows the engineer to subject each Air Locker design to 'virtual' off road driving stress simulations much more extreme than those experienced in real life, including extreme temperatures and harsh wheel-spin. Prototypes are tested to ensure the strength of the Air Locker exceeds that of the axles or other driveline components. Finally, field testing is carried out with units being fitted to 4x4s that operated in the harshest environments imaginable. Once this exhaustive design phase is complete, ARB Air Lockers are manufactured in Australia by ARB and sold throughout the world. For peace of mind, all ARB Air Lockers are backed by an industry leading five year warranty.
Axle Model: Toyota 8 Inch
Type: Locking
Journal Size: 1.31 Inch
Spline Count: 30
Gear Ratio: 3.73 And Down
Material: Iron

Features

  • Provides 100 Percent Traction On Demand Without Affecting On Road Drivability Or Driveline Wear
  • Vastly Improved Traction Means Less Reliance On Momentum Reduces The Likelihood Of Vehicle Damage And Environmental Impact
  • Easy, Convenient Operation Allows The User To Concentrate On The Terrain Without Leaving The Comfort And Safety Of The Driver’s Seat
  • Ultra Durable And Extremely Strong - Only The Highest Quality Materials Used In Construction
  • Incredibly Simple Effective Design, Employs Minimal Moving Parts By Ensuring Maximum Reliability
  • Easy Installation And Maintenance - No Special Tools, Skills Or Additives Required
  • Limited 5 Year Warranty
Specifications of ARB Differential Carrier - RD121
Axle Model Toyota 8 Inch
Gear Ratio 3.73 And Down
Journal Size 1.31 Inch
Material Iron
Spline Count 30
Type Locking

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