The 1959 Riley 2.6 has 5 automatic transmission parts with verified fitment on this page — 4 part types and 2 brands, covering the 2.6L L6 engine. Each part includes a manufacturer part number and application notes.
On the 1959 Riley 2.6, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. 4 parts of the 5 listed are Repair Sleeve (2 parts), Fluid Pump Seal (1 part) and O-Rings & Seals (1 part). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 2.6L L6 — the only engine offered in the 1959 Riley 2.6.
The most listed brands for 1959 Riley 2.6 automatic transmission parts are SKF (3 parts) and SCHAEFFLER (2 parts).
Each part number listed for the 1959 Riley 2.6 opens a page with every vehicle that part fits.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 21098 | 🇺🇸 US | Front | View on Amazon |
This table covers the seals at the Fluid Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 1959 Riley 2.6 — SKF 21098.
O-Rings & Seals
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SS2611 | 🇺🇸 US | Rearwith 1.563 In Shaft | View on Amazon |
This table covers the O-rings and seals at this joint.
One part is listed for the 1959 Riley 2.6 — SCHAEFFLER SS2611.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 15620 | 🇺🇸 US | Rear | View on Amazon |
This table covers the seals at the Output Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: SKF 15620.
Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3482 | 🇺🇸 US | Rearwith 1.563 In Shaft | View on Amazon |
| SKF | 99212 | 🇺🇸 US | Shaft Diameter: 2.125 In | View on Amazon |
This table covers the wear sleeves used to restore a grooved seal surface.
2 Repair Sleeve parts are listed for the 1959 Riley 2.6, from SCHAEFFLER and SKF.
This group includes SCHAEFFLER SR3482 and SKF 99212.
Buying Automatic Transmission Parts for a 1959 Riley 2.6
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Confirm you have the 2.6L L6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Repair Sleeve and Fluid Pump Seal .
Frequently Asked Questions
How many automatic transmission parts fit the 1959 Riley 2.6?
Our catalog currently lists 5 automatic transmission parts for the 1959 Riley 2.6 across 4 subcategories and 2 brands, covering the 2.6L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 1959 Riley 2.6?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1959 Riley 2.6 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1959 Riley 2.6?
Every part on this page is matched to the 2.6L L6 engine. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1959 Riley 2.6
Automatic Transmission Parts for Other Riley 2.6 Years
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