When internal sealing rings wear or harden, fluid bypasses the circuits it should pressurize, and the transmission loses the apply force it needs to shift cleanly. This sealing ring set is built for A413, A404, and A670 automatic transmission units produced from 1980 onward, covering the 30TH family, and it addresses that specific failure point directly.
What sets this part apart is its scope: one set covers the ring positions across the A413, A404, and A670 platform, so a technician working any unit in that family does not need to source rings separately for each bore. The rings are measured and assembled at the REMCO facility. A printed list of contents ships inside the package so the bench count takes seconds.
This listing is for the sealing ring set only. It does not include friction discs, steel plates, Automatic Transmission Filter, gaskets, or band. If your overhaul requires those components, they are separate items. Review your parts breakdown before ordering to confirm what you still need.
Packaged weight is 1 lb. REMCO has been working in automatic transmission parts since 1991, and every set that ships goes through the same hand-assembly and verification process used across the entire line.
To avoid ordering the wrong part, confirm the transmission identification code on your unit, the production year, and that your application falls within the 1980-and-up coverage before completing the purchase.
- Sealing ring set addresses internal fluid bypass in A413, A404, and A670 units, helping restore pressure and reduce slip across the apply circuits.
- This listing does not include friction discs, steel plates, Automatic Transmission Filter, gaskets, or band. If your service requires those parts, check separate listings before placing your order.
- Each set is hand-assembled at REMCO and verified against its parts list before shipping, so what arrives matches exactly what was pulled for your unit code.
- Contents: one complete sealing ring set sized for A413, A404, and A670 applications. Packaged weight is 1 lb. A parts list is included inside the box.
- Before ordering, confirm the transmission code stamped on your unit, the model year, and whether your application falls within the [80-UP] range covered here.
What's in the box
- 1 x Ring Kit, A413
Compatible vehicles
- Fits Daytona [84-93], Laser [84-86], Neon [95-01], E Class [83-84], Executive Limo [85-86], Executive Sedan [83-84], Lebaron [82-94], New Yorker [83-88], TC (Maserati) [89-91], Voyager [95-99], 2000 GTX [89-90], Aries [81-89].
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