A failed or sluggish solenoid assembly in a 5R55W, 5R55S, or 5R55N automatic transmission can produce erratic shifting, delayed engagement, or a unit stuck in failsafe, and this hard part replaces the stock assembly directly without the need to source individual internal components. What sets this listing apart is its retrofit capability: although the primary fit range starts at 2004, this assembly also applies back to 2002 units, which broadens its usefulness for shops working across multiple vehicle years on this transmission family.
This is a single-unit hard part, not an overhaul kit. No friction discs, no steel plates, no gaskets, no Automatic Transmission Filter, and no seals are included. If your repair calls for those components, they need to be sourced separately before the job starts. The part ships at approximately 4 lb, and a parts list confirming the exact contents is packed in the box, consistent with the way REMCO has handled its transmission parts since 1991.
Before placing your order, pull the transmission identification and confirm the code is 5R55W, 5R55S, or 5R55N. Also verify the model year sits at 2004 or later, or falls within the 2002 retrofit application. Ordering against the wrong unit code is the most common reason a part does not fit, and a few minutes of verification on the vehicle side helps avoid the problem entirely.
- This solenoid assembly addresses shift faults and pressure control failures in 5R55W, 5R55S, and 5R55N units, replacing a worn or failed stock part directly.
- This listing is a single hard part only. It does not include any seals, gaskets, friction discs, steels, Automatic Transmission Filter, or overhaul kit. Verify what else your repair requires before ordering.
- Sourced as a usable-condition assembly for the 5R55 platform, this unit also retrofits back to 2002 applications, extending its fit range beyond the base 2004-and-up listing.
- Single solenoid assembly, approximately 4 lb. Condition is inspected before shipment. No additional components are packed with this part, and a parts list is included in the box confirming exactly what ships.
- Before ordering, confirm the exact transmission code stamped on your unit matches 5R55W, 5R55S, or 5R55N, and verify the model year falls within the 2004-and-up range or the 2002 retrofit window.
What's in the box
- 1 x Solenoid, Assemblygood Condition 5r55w5r55s
Compatible vehicles
- Fits Mustang [05-10], Thunderbird [02-05], Explorer [02-10], Explorer Sport Trac [05-10], S-Type [00-02], XK8 [01-02], XKR [00-02], Aviator [03-05], LS [00-06], Mountaineer [99-01].
| solenoid assemblygood condition 5r55w5r55s 2004-up (56954l will retro to 2002) |
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