Swapping AG 200 shocks to newer AG 400 setup. Pics inside

Discussion in 'Kenworth Forum' started by Slow302, Jul 21, 2019.

  1. Slow302

    Slow302 Light Load Member

    Jul 12, 2013
    Well my new Paccar drive axle shocks part # 665944 lasted only year. I already swaped from AG 200 to AG 400. So i had to try something else. Didnt wanna go with Road Kings so i wanted to try Gabriel SLX/TRP gas charged adjustable shocks. Problem is they dont make one for AG200/early AG400 the ones with studs on both ends. So i have to update upper shock brackets with newer AG 400 design that takes upper T mount setup part '# C11-1135 or aftermarket MK16990. With this setup i can use Paccar shocks 671962 or Gabriel SLX 89456.
    I had to drill two holes since new brackets didnt match bolt pattern from old one and adjust center of travel so i dont bottom new shocks
    Hope Gabriel SLX last more than OEM ones. Here is a few pics 20190710_190141.jpg 20190720_164752.jpg 20190720_164809.jpg 20190720_184055.jpg
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