600 lbs Replacement Round Spring Bar for a Curt MV Weight Distribution System
Updated 01/27/2026 | Published 01/24/2026
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Question:
I did review your QandA but still not sure. I have a Curt round bar 10k/1000TW WDH and want to change bars for a smaller 500TW trailer. Beside the Curt capacity label on the head assy, the only ID I can find is on the bars which is 20/D03. The bar diameter is 1 3/8. What Curt bar I can use and I hope you stock them?
asked by: Richard N
Expert Reply:
Hey Richard, welcome back! It sounds like you have a Curt MV Weight Distribution System. The 600 lbs TW item # C17071 is the lowest capacity replacement spring bar available for the Curt MV systems. It will work with 500 lbs - 600 lbs tongue weights.
The Curt item # C17071 spring bar is sold individually. We have a few of them in stock (01/26/2026).
If you have any additional questions, go ahead and click on the box that says Add Comment and I'll be happy to answer them.
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Product Page this Question was Asked From
Curt MV Weight Distribution System - Round Bar - 6,000 lbs GTW, 600 lbs TW
- Weight Distribution Hitch
- WD Only
- Round Bar
- Fits 3 Inch Frame
- Fits 4 Inch Frame
- Fits 5 Inch Frame
- Fits 6 Inch Frame
- Includes Shank
- 2 Inch Ball
- 2-5/16 Inch Ball
- Fits 2 Inch Hitch
- Requires Disconnection
- 500 lbs
- CURT
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