This page lists 11 engine parts for the 1957 MG ZB, across 7 part types, covering the 1.5L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1957 MG ZB, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 7 parts of the 11 listed are Intake & Exhaust Manifold Gasket Set (4 parts), Cylinder Repair Sleeve (2 parts) and Camshaft Bearing (1 part). The other 4 part types cover the remaining 4 parts.
The 1957 MG ZB came with a single engine, the 1.5L L4, and every part is verified against it.
6 brands supply engine parts for the 1957 MG ZB, led by AJUSA (5 parts), MELLING (2 parts) and DURA-BOND (1 part), plus 3 more brands.
Each part number listed for the 1957 MG ZB opens a page with every vehicle that part fits.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | DA2 | 🇺🇸 US | Standard | View on Amazon |
This table covers the Camshaft 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.
One part is listed for the 1957 MG ZB — DURA-BOND DA2.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54032100 | 🇺🇸 US | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 1957 MG ZB — AJUSA 54032100.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10034600 | 🇺🇸 US | 78 Bore Diameter | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. 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.
One part is listed for the 1957 MG ZB — AJUSA 10034600.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52055900 | 🇺🇸 US | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 1957 MG ZB — AJUSA 52055900.
Cylinder Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | CSL720 | 🇺🇸 US | 1/8 IN Wall Thickness | View on Amazon |
| MELLING | CSL620 | 🇺🇸 US | 3/32 IN Wall Thickness | View on Amazon |
This table covers the wear sleeves used to restore a Cylinder seal surface.
MELLING supplies both parts for the 1957 MG ZB.
Listed part numbers: MELLING CSL720 and MELLING CSL620.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50063300 | 🇺🇸 US | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 1957 MG ZB — AJUSA 50063300.
Intake & Exhaust Manifold Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13050800 | 🇺🇸 US | View on Amazon | |
| FEL-PRO | MS22506B | 🇺🇸 US | View on Amazon | |
| MAHLE / CLEVITE | MS15234 | 🇺🇸 US | Composite | View on Amazon |
| VICTOR REINZ | 111076901 | 🇺🇸 US | View on Amazon |
This table covers the Intake & Exhaust Manifold gasket sets. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
4 Intake & Exhaust Manifold Gasket Set parts are listed for the 1957 MG ZB, from AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
Listed part numbers: AJUSA 13050800, FEL-PRO MS22506B and MAHLE / CLEVITE MS15234, plus the other parts above.
Buying Engine Parts for a 1957 MG ZB
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Intake & Exhaust Manifold Gasket Set and Cylinder Repair Sleeve .
Frequently Asked Questions
How many engine parts fit the 1957 MG ZB?
Our catalog currently lists 11 engine parts for the 1957 MG ZB across 7 subcategories and 6 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 1957 MG ZB?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
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 1957 MG ZB 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 1957 MG ZB?
Every part on this page is matched to the 1.5L L4 engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1957 MG ZB
Engine Parts for Other MG ZB 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.