23 Automatic transmission parts are listed for the 1956 Hudson Rambler, in 8 part types, covering the 3.2L 196cid L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The automatic transmission on the 1956 Hudson Rambler covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. The largest groups are Extension Housing Seal (5 parts), Fluid Pan Gasket (5 parts) and Extension Housing Bearing (3 parts). The other 5 part types cover the remaining 10 parts.
Every part on this page is matched to the 3.2L 196cid L6 — the only engine offered in the 1956 Hudson Rambler.
The most listed brands for 1956 Hudson Rambler automatic transmission parts are WJB / INMOTION PARTS (6 parts), NATIONAL (5 parts) and BCA (3 parts), plus 4 more brands. Quality grades include Standard Replacement and Economy.
2 parts on this 1956 Hudson Rambler page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including NATIONAL 7038SA (Extension Housing Seal) and FEL-PRO TOS18106 (Fluid Pan Gasket). Click any part number to see every vehicle that part fits.
Extension Housing Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | RB6007 | 🇺🇸 US | with GMC Hydramatic Transmission2 Speed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB107 | 🇺🇸 US | with 2 Gearswith Automatic Transmission | View on Amazon |
| NATIONAL | 107 | 🇺🇸 US | with GMC Hydramatic Transmission2 Speed | View on Amazon |
This table covers the Extension Housing bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
3 Extension Housing Bearing parts for the 1956 Hudson Rambler come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL.
The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB6007 is listed in this group.
In the Standard Replacement grade, BCA and NATIONAL supply 2 parts: built to original-equipment specification. A representative part number is BCA NB107.
Part numbers include WJB / INMOTION PARTS RB6007, BCA NB107 and NATIONAL 107.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 7038SA | 🇺🇸 US | Fits with GMC Hydramatic Transmission2 Speedor with GMC Jetaway 315 Transmission | View on Amazon |
| BCA | NS7038SA | 🇺🇸 US | Fits General Motors TransmissionHydra-Matic Transmission | View on Amazon |
| NATIONAL | 473234 | 🇺🇸 US | with Borg-Warner T12 Transmission3 Speed | View on Amazon |
| WJB / INMOTION PARTS | WS7038SA | 🇺🇸 US | Width (In): 0.58199999999999996 In | View on Amazon |
| WJB / INMOTION PARTS | WS473234 | 🇺🇸 US | with Borg-Warner T12 Transmission3 Speed | View on Amazon |
This table covers the seals at the Extension Housing. 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.
5 Extension Housing Seal parts are listed for the 1956 Hudson Rambler, from NATIONAL, WJB / INMOTION PARTS and BCA. NATIONAL 7038SA carries the "Popular" badge.
This group includes NATIONAL 7038SA, BCA NS7038SA and NATIONAL 473234 and the remaining parts above.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | TOS18106 | 🇺🇸 US | Borg-Warner T12 Automatic Transmission3 Speed | View on Amazon |
| FEL-PRO | TOS18057 | 🇺🇸 US | GMC Jetaway 315 Automatic Transmission3 Speed | View on Amazon |
| FEL-PRO | TOS18024 | 🇺🇸 US | GMC Hydramatic Automatic Transmission2 Speed | View on Amazon |
| VICTOR REINZ | 711496800 | 🇺🇸 US | 3 speed trans.Trans. code T12 | View on Amazon |
| VICTOR REINZ | 711494600 | 🇺🇸 US | 2 speed trans.Trans. code Hydramatic | View on Amazon |
This table covers the gaskets that seal the Fluid Pan. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
5 Fluid Pan Gasket parts for the 1956 Hudson Rambler come from 2 brands — FEL-PRO and VICTOR REINZ. The "Popular" part is FEL-PRO TOS18106.
Part numbers include FEL-PRO TOS18106, FEL-PRO TOS18057 and FEL-PRO TOS18024, among others listed above.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WS99193 | 🇺🇸 US | Frontwith Borg-Warner T12 Transmission | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
One part is listed for the 1956 Hudson Rambler — WJB / INMOTION PARTS WS99193.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS6988H | 🇺🇸 US | Frontwith T12 Transmission Code | View on Amazon |
| NATIONAL | 6988H | 🇺🇸 US | Frontwith Borg-Warner T12 Transmission | View on Amazon |
| WJB / INMOTION PARTS | WS6988H | 🇺🇸 US | Frontwith Borg-Warner T12 Transmission | 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.
3 Fluid Pump Seal parts are listed for the 1956 Hudson Rambler, from BCA, NATIONAL and WJB / INMOTION PARTS.
Listed part numbers: BCA NS6988H, NATIONAL 6988H and WJB / INMOTION PARTS WS6988H.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 7929S | 🇺🇸 US | with 3-Speed Borg Warner T12 Transmission | View on Amazon |
| WJB / INMOTION PARTS | WS7929S | 🇺🇸 US | with 3-Speed Borg Warner T12 Transmission | View on Amazon |
This table covers the seals at the Manual 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.
2 Manual Shaft Seal parts are listed for the 1956 Hudson Rambler, from NATIONAL and WJB / INMOTION PARTS.
Part numbers include NATIONAL 7929S and WJB / INMOTION PARTS WS7929S.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SS2746 | 🇺🇸 US | 2 speed trans.Trans. code Hydramatic | 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: SCHAEFFLER SS2746.
Transmission Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | VV3246 | 🇺🇸 US | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE | 773775 | 🇺🇸 US | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid.
3 Transmission Fluid parts for the 1956 Hudson Rambler come from VALVOLINE.
Part numbers include VALVOLINE VV3246, VALVOLINE 773775 and VALVOLINE 881051.
Buying Automatic Transmission Parts for a 1956 Hudson Rambler
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 3.2L 196cid 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: Extension Housing Seal and Fluid Pan Gasket .
Frequently Asked Questions
How many automatic transmission parts fit the 1956 Hudson Rambler?
Our catalog currently lists 23 automatic transmission parts for the 1956 Hudson Rambler across 8 subcategories and 7 brands, covering the 3.2L 196cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 1956 Hudson Rambler?
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 1956 Hudson Rambler 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 1956 Hudson Rambler?
Every part on this page is matched to the 3.2L 196cid 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 1956 Hudson Rambler
Automatic Transmission Parts for Other Hudson Rambler Years
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