Shift Knob Adapter Shifter 13/15/18 Speed For Eaton Fuller Kenworth Peterbilt Item Description: 100% quality assurance tested, more responsive, less expensive, easier to install. Includes inner mounting base with two screws, does not include thread-on type knob. Universal for shifter extensions or knobs that screw on. Bring the gear shift knob closer to the steering wheel, making shifting easier and enhancing the shifting feel. Perfect replacement for OE knob adapter, extending service life. Featuring a thread-on design, it is durable and wear-resistant. Part Number: Reference 70589B. Remove Original Gearshift Knob: Remove the cover, remove 2 long screws, and remove original gearshift knob. Keep the long OE knob screws. Be careful not to lose any components from the inside of the OE gearshift and splitter valve. Assembly Of Gearshift Adapter : Remove the new top adaptor from the adaptor base. Screw the adaptor base onto the OE gearshift using the long OE knob screws. Slide the top adaptor onto the adaptor base. Tighten the top to the bottom adaptor base with the 2 screws. Apply a few drops of threadlocker to the 1/2" -13 thread, and install the thread-on shift knob. Be sure to orientate the knob in the desired position. Avoid rotation of the new gearshift knob for 24 hours so threadlock will fully cure!! Disassembly Tip : For instances where the shift knob cannot be unscrewed by hand due to threadlocker material. Apply localized hot air with heat gun to 1/2"-13 thread area. Use cloth or tape to protect finish. Rotate with plyers if necessary. Fitment: For Eaton Fuller Style 13/15/18 Shifter. For United Pacific shift knobs or handles with 1/2"-13 female thread. !!!Not fit for models equipped with D-shape shift knobs. Vehicle compatibility charts are for REFERENCE ONLY. Check product type and size to match your needs. Material & Color: Material: Made of aluminum alloy. Color: as picture. Package Included: 1x Shift Knob Mounting Adapter(100% Brand New Never Used Or Installed). Payment Shipping International Buyer Note Contact us Feedback Payment Shipping International Buyer Note Contact us Feedback