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Can't Identify Fender Jazz Bass Version

I bought a Fender Jazz bass in 2009 and can can't tell what kind it is. It's made in USA. Serial number says it was made in 07/08. I remember the sales guy said it was some kind of special edition. It has three knobs but the big nob had a little knob on top of it. I don't remember what it did. Its since fallen off and I can't find a replacement for it. This is why I am trying to figure out what kind of bass it is. Anybody know?
Unless you provide a picture, the bass does not exist. It is impossible to replace parts on an invisible bass. Especially if you don't want it getting scratched or dinged up.
 
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Here's a picture.
 

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Probably an '08 FSR Hot Rod Jazz, like the one I used to own, and wish I'd never sold.
It looks exactly like that bass. Did it have an s1 switch\knob?
 
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If you look carefully at the photo of the one that was for sale you can see there is an inner knob, but it's just a flat piece of plastic with a small indicator dot to show what position it was in relative to the main knob. Would probably be pretty easy to machine a replacement part, or even 3D print one?
 
You need a new pair of these, one on the inside sticking up through the hole, and the other on the outside:

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[Invalid or Expired Link Removed]

sorry the pics are so big...
 
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I'm not sure, this might be the exact part: Invalid Link Removed

(Not sure because those are the values used in a passive bass, and this one's active.)

Can anyone verify the pot values for this exact model? I tried to google it, and it just took me to that Fender link...
 
Here's what google AI says (don't trust it much, myself), but sounds like that's the part -

what concentric potentiometer is needed for a 20008 Fender FSR Hot Rod Jazz bass?​
A 2008 Fender FSR Hot Rod Jazz Bass requires a concentric 250k/500k solid shaft potentiometer. This is the standard pot for vintage-style Jazz basses that use stacked volume and tone knobs for each pickup.​
Key specifications​
  • Resistance: 250k on the bottom section (typically for tone) and 500k on the top section (typically for volume).
  • Taper: Audio taper is the correct type for this application.
  • Shaft Type: Solid shaft to accommodate concentric (stacked) knobs that mount with set screws. Push-on knobs will not work.
  • Quantity: You will need two of these concentric pots to replace both control knobs on the bass.
Suitable replacement parts​
  • Genuine Fender: The official Fender replacement part (part #001-9268-049) is a
    , often referenced for the '62 American Vintage Jazz Bass.
  • Aftermarket Options:High-quality replacements are also available from various parts suppliers:
    • CTS: Often the same manufacturer as the original Fender parts.
    • 920D Custom: Sells a CTS-made concentric pot specifically for Jazz Basses.
    • Allparts: Offers a
      CTS 250k/500k concentric pot​
      .
Before you buy​
  • Check your knobs: Verify that your current knobs use a set screw to tighten onto the shaft, rather than being a push-on style. If you are replacing the knobs as well, make sure they are designed for concentric solid shaft pots.
  • Consider a pre-wired harness: If you are not comfortable with soldering, pre-wired control plates are available from suppliers like Fralin Pickups. These come with the correct concentric pots, capacitors, and jack pre-installed on the control plate.