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jeep accessories and performance partsPerformance Transfer Case

Since 1963, Crown Automotive has been providing outstanding quality replacement parts for Jeep® vehicles. That same quality and experience can now be found in our new line of accessories, as well as heavy-duty & performance components, called RT Off-Road.

Performance Transfer Case

Oil Seal (For SYE231)

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Replaces Part #: RT24003
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Fits:
  • Jeep Wrangler (YJ) (1987-1995) w/ 231 Transfer Case.
  • Jeep Wrangler (TJ) (1997-2006) w/ 231 Transfer Case.
  • Jeep Cherokee (XJ) (1987-2001) w/ 231 Transfer Case.
  • Also, replacement output shaft oil seal for SYE-231 kit.
Slip Yoke Eliminator & Shaft Kit

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Replaces Part #: RT24004
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Fits:
  • Jeep Wrangler (TJ) (1997-2006) w/ NP231 Transfer Case; without Unlimited Package.
  • Jeep Wrangler (YJ) (1987-1993) w/ NP231 Transfer Case.
  • Jeep Wrangler (YJ) (1994-1995) w/ NP231 Transfer Case; w/ 1310 (3.219″ width) U-Joints. If 94/95 YJ has 1330 series U-Joint, D35YOKEUBK should be purchased.
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  • This kit includes everything you need to convert the rear output of the NP231 transfer case to a fixed-style yoke. Included in this kit is a heavy duty 32-spline main shaft, a short output housing, a CV-style yoke and all necessary hardware. When paired with the provided propeller shaft, these kits will result in an extremely strong, vibration-free driveline that will provide you with years of worry-free driving.

    Kit includes RT24005 Kit and Heavy Duty 16.5″ Driveshaft (Functional Lengths: Collapsed 16″; Extended 18.25″)
Slip Yoke Eliminator Kit (NP231)

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Replaces Part #: RT24005
Price: (Log in to see price)
Fits:
  • Jeep Wrangler (TJ) (1997-2006) w/ NP231 Transfer Case.
  • Jeep Wrangler (YJ) (1987-1995) w/ NP231 Transfer Case.
  • Jeep Cherokee (XJ) (1987-2001) w/ NP231 Transfer Case.
  • Jeep Comanche (MJ) (1987-1992) w/ NP231 Transfer Case.
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  • Eliminate drive line vibrations and increase strength of your NP231 with RT Off-Road's Slip Yoke Eliminator Kit. Each kit includes a replacement output housing, heavy duty main shaft, rear output yoke designed for a double-cardan drive shaft and all necessary hardware. The installation can be performed with the transfer case in or out of the vehicle with basic hand tools. Engineered to function with the factory speedometer sensor/cable and vacuum shift sensor.

    Fits all Jeep NP231 transfer cases; 1-3/8″ 32-spline main shaft and yoke; converts factory rear slip yoke to a CV style output; Includes installation instructions.
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  • Speedometer Drive Gear (4338996) Is Included; For Replacement Seal Use RT24003; For Replacement Bearing Use J8136622 (and remove snap ring); For Replacement Yoke Use 4856142 (1310 CV; 32 Splines); For Replacement Rear Yoke Washer Seal Use 4210973; For Replacement Yoke Nut Use J3182601.
Propeller Shaft (Rear Heavy Duty)

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Replaces Part #: RT24002
Price: (Log in to see price)
Fits:
  • Jeep Wrangler (TJ) (1997-2006) without Unlimited Package; w/ NP231 Transfer Case; w/ Slip Yoke Eliminator.
  • Jeep Wrangler (YJ) (1994-1995) w/ NP231 Transfer Case; w/ Slip Yoke Eliminator; w/ 1310 (3.219″ width) U-Joints.
  • Jeep Wrangler (YJ) (1987-1993) w/ NP231 Transfer Case; w/ Slip Yoke Eliminator.
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  • Heavy Duty Rear Propeller Shaft; For use with RT24005 Slip Yoke Eliminator Kit; Functional Lengths: 16″ Collapsed, 18.25″ Extended; 2″-6″ Lifts; Drive Shaft Bolts 5/16″-24 x 1.25″; Includes 3 Grease Fittings and Instructions.

 

 


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