Hover to zoom Tension for Juki DDL5530, DDL8100E, DDL8300N and DDL8500 (Compatible)
Compatible part, not made by the machine brandPart number USV-229-45356
$15.99
Fits these machines
- Next business daydispatch
- Free shippingon US orders $50+
- 30-dayreturns
Tension Unit for Juki DDL5530, DDL8100E, DDL8300N and DDL8500. Compatible aftermarket part. Fitment is taken from the distributor's listing; models not named are not claimed.
This is a replacement tension unit listed by our distributor for the Juki DDL5530, DDL8100E, DDL8300N and DDL8500. Supplied as a compatible aftermarket part — it is not a manufacturer-original part.
This list comes from the distributor's listing for this part. If your model is not named, do not assume it fits — check the part you are removing against the specification below, or ask us with your model number before ordering.
What this part does
The upper tension unit is the pair of discs, spring and dial that put drag on the needle thread. Lint between the discs, a tired spring or a grooved disc all show up as uneven stitching that re-threading does not fix.
Specifications
| Brand | Industrial Parts |
|---|---|
| Part type | Tension Unit |
| Fits | Juki DDL5530, DDL8100E, DDL8300N, DDL8500 |
| Part status | Compatible / aftermarket |
| Distributor item no. | 229-45356 |
How to tell if this is the right one
Match by the model list. Tension units differ in mounting, dial type and whether they include the check spring.
Signs you need this part
Loops on the underside, thread breaking, tension that changes when nothing was adjusted, or a dial that turns without changing the stitch.
Fitting it
Most household units are held by one screw behind the dial and pull straight out. Thread through the discs with the presser foot UP so the discs are open.
Questions about this part
Does this tension unit fit the Juki DDL5530?
Yes. The Juki DDL5530 is on the distributor's fitment list for this part, along with DDL8100E, DDL8300N and DDL8500. If your model is not listed on this page, send us the model number and we will check before you order.
Is this the original Juki part?
No — it is a compatible aftermarket part made to fit the models listed. It is not a manufacturer-original part.
Should I try cleaning before replacing?
Yes. Run a folded piece of thin fabric between the discs with the foot up. If the stitch does not improve with clean discs, a new needle and correct threading, replace the unit.
How long does delivery take?
Orders are dispatched from our distributor's US warehouse. We do not hold stock ourselves and cannot promise same-day dispatch; current delivery estimates are shown at checkout, and we will email you if an item is back-ordered.