I have an answer for you. Unfortunately, I cannot confirm what new shocks you need for your 2004 Thor Wanderer unless I have the length of your shocks totally expanded or totally compressed. I went ahead and attached a picture of how you take the measurement of your shocks.
With your 3500 pound axles, I recommend the Lippert Bolt-On Shock Kit w/ Heavy Duty Gas Shocks # LC281255. These shocks have an extended length of 13-1/2" and a compressed length of 8-5/8". In order to know if these... view full answer...
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