This page lists 18 automatic transmission parts for the 1956 MG Za, across 7 part types, covering the 1.5L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1956 MG Za, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. 12 parts of the 18 listed are Extension Housing Seal (6 parts), Fluid Pan Gasket (3 parts) and Fluid Pump Seal (3 parts). The other 4 part types cover the remaining 6 parts.
The 1956 MG Za came with a single engine, the 1.5L L4, and every part is verified against it.
8 brands supply automatic transmission parts for the 1956 MG Za, led by NATIONAL (4 parts), WJB / INMOTION PARTS (4 parts) and SCHAEFFLER (4 parts), plus 5 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1956 MG Za. 2 parts have it, including NATIONAL 7300S (Extension Housing Seal) and WJB / INMOTION PARTS WS7300S (Extension Housing Seal). Each part number opens a page with every vehicle that part fits.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 7300S | 🇺🇸 US | 2 speed trans.Trans. code DG200 | View on Amazon |
| WJB / INMOTION PARTS Popular | WS7300S | 🇺🇸 US | 2 speed trans.Trans. code DG200 | View on Amazon |
| BCA | NS7300S | 🇺🇸 US | 2 speed trans.Trans. code DG200 | View on Amazon |
| NATIONAL | 5203 | 🇺🇸 US | Includes Bushing | View on Amazon |
| SCHAEFFLER | SS2737 | 🇺🇸 US | with 1.685 In Shaft | View on Amazon |
| WJB / INMOTION PARTS | WS5203 | 🇺🇸 US | 2 speed trans.with Borg-Warner DG200 Transmission | 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.
6 Extension Housing Seal parts for the 1956 MG Za come from 4 brands — NATIONAL, WJB / INMOTION PARTS, BCA and 1 other brand. The "Popular" part is NATIONAL 7300S.
Part numbers include NATIONAL 7300S, WJB / INMOTION PARTS WS7300S and BCA NS7300S, among others listed above.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | TOS18106 | 🇺🇸 US | 2 speed trans.Trans. code DG200 | View on Amazon |
| MAHLE / CLEVITE | W38987 | 🇺🇸 US | Cork-RubberAutomatic Transmission Oil Pan Gasket | View on Amazon |
| VICTOR REINZ | 711496800 | 🇺🇸 US | 14 Bolt | 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.
3 Fluid Pan Gasket parts are listed for the 1956 MG Za, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: FEL-PRO TOS18106, MAHLE / CLEVITE W38987 and VICTOR REINZ 711496800.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 99199 | 🇺🇸 US | 2 speed trans.Trans. code DG200 | View on Amazon |
| WJB / INMOTION PARTS | WS99199 | 🇺🇸 US | Shaft Maximum Diameter (In): 2.0030000000000001 In | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
2 Fluid Pump Repair Sleeve parts for the 1956 MG Za come from 2 brands — NATIONAL and WJB / INMOTION PARTS.
Listed part numbers: NATIONAL 99199 and WJB / INMOTION PARTS WS99199.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS331107N | 🇺🇸 US | Front2 speed trans. | View on Amazon |
| NATIONAL | 331107N | 🇺🇸 US | Front2 speed trans. | View on Amazon |
| WJB / INMOTION PARTS | WS331107N | 🇺🇸 US | Front2 speed trans. | 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 for the 1956 MG Za come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.
Part numbers include BCA NS331107N, NATIONAL 331107N and WJB / INMOTION PARTS WS331107N.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 7300S | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| SCHAEFFLER | SS2723 | 🇺🇸 US | 2 speed trans.Trans. code DG200 | 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.
2 Output Shaft Seal parts are listed for the 1956 MG Za, from ACDELCO and SCHAEFFLER.
Part numbers include ACDELCO 7300S and SCHAEFFLER SS2723.
Torque Converter Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3511 | 🇺🇸 US | 2 speed trans.Trans. code DG200 | View on Amazon |
This table covers the wear sleeves used to restore a Torque Converter seal surface.
This group shows a single part: SCHAEFFLER SR3511.
Torque Converter Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SS3033 | 🇺🇸 US | Front2 speed trans. | View on Amazon |
This table covers the seals at the Torque Converter 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 SS3033.
Buying Automatic Transmission Parts for a 1956 MG Za
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 1.5L L4 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 MG Za?
Our catalog currently lists 18 automatic transmission parts for the 1956 MG Za across 7 subcategories and 8 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 1956 MG Za?
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 MG Za 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 MG Za?
Every part on this page is matched to the 1.5L L4 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 MG Za
Automatic Transmission Parts for Other MG Za Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.