This page lists 19 engine parts for the 1966 Austin Mini Cooper, across 13 part types, covering all 3 engine options (1.3L L4, 970cc L4 and 997cc L4). Every part shows its brand, manufacturer part number and fitment notes.
On the 1966 Austin Mini Cooper, 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. Most of the listed parts are Valve Cover Gasket (4 parts), Crankshaft Seal (2 parts) and Timing Belt Pulley (2 parts). The other 10 part types cover the remaining 11 parts.
The 1966 Austin Mini Cooper was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1966 Austin Mini Cooper engine parts are AJUSA (11 parts), MAHLE / CLEVITE (2 parts) and BECK/ARNLEY (2 parts), plus 4 more brands.
Each part number listed for the 1966 Austin Mini Cooper opens a page with every vehicle that part fits.
Connecting Rod Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 997cc L4 | CB488P | 🇺🇸 US | P Series (Tri-Metal)Pair | View on Amazon |
This table covers the bearings in the connecting-rod big ends. 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.
This group shows a single part: MAHLE / CLEVITE CB488P.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 54031300 | 🇺🇸 US | Fits Base ModelEngine # Aor Base Model | 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.
This group shows a single part: AJUSA 54031300.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 15015900 | 🇺🇸 US | Fits FrontBase Model | View on Amazon |
| AJUSA Fits: 997cc L4 | 15026900 | 🇺🇸 US | Fits RearBase Model | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. 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.
AJUSA supplies both parts for the 1966 Austin Mini Cooper.
Listed part numbers: AJUSA 15015900 and AJUSA 15026900.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 10012800 | 🇺🇸 US | Fits Base Model68 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.
This group shows a single part: AJUSA 10012800.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 52000100 | 🇺🇸 US | Fits Base ModelEngine # Aor Base Model | 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.
This group shows a single part: AJUSA 52000100.
Cylinder Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 997cc L4 | CSL633 | 🇺🇸 US | 3/32 IN Wall Thickness | View on Amazon |
This table covers the wear sleeves used to restore a Cylinder seal surface.
This group shows a single part: MELLING CSL633.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 50062300 | 🇺🇸 US | Fits Base ModelEngine # Aor Base Model | 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.
This group shows a single part: AJUSA 50062300.
Intake & Exhaust Manifold Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 13005400 | 🇺🇸 US | Fits Base ModelEngine # Aor Base Model | 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.
This group shows a single part: AJUSA 13005400.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN Fits: 997cc L4 | LF187 | 🇺🇸 US | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
One part is listed for the 1966 Austin Mini Cooper — HASTINGS / BALDWIN LF187.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 59000100 | 🇺🇸 US | Fits Base Modelor S Model | View on Amazon |
This table covers the gaskets between the oil pan and the block. 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 1966 Austin Mini Cooper — AJUSA 59000100.
Timing Belt Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 970cc L4, 997cc L4 | 0513860 | 🇺🇸 US | Bearing Only | View on Amazon |
| BECK/ARNLEY Fits: 970cc L4, 997cc L4 | 0513954 | 🇺🇸 US | Bearing Only | View on Amazon |
This table covers the Timing Belt pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.
BECK/ARNLEY supplies both parts for the 1966 Austin Mini Cooper.
This group includes BECK/ARNLEY 0513860 and BECK/ARNLEY 0513954.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 11005900 | 🇺🇸 US | Fits Base ModelEngine # Aor Base Model | View on Amazon |
| FEL-PRO Fits: 970cc L4, 997cc L4 | VS21507 | 🇺🇸 US | View on Amazon | |
| MAHLE / CLEVITE Fits: 970cc L4, 997cc L4 | VS30025 | 🇺🇸 US | Cork-Rubber | View on Amazon |
| VICTOR REINZ Fits: 970cc L4, 997cc L4 | 151043701 | 🇺🇸 US | Set | View on Amazon |
This table covers the gaskets that seal the valve cover 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.
4 Valve Cover Gasket parts are listed for the 1966 Austin Mini Cooper, from AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
Listed part numbers: AJUSA 11005900, FEL-PRO VS21507 and MAHLE / CLEVITE VS30025, plus the other parts above.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 997cc L4 | 12000100 | 🇺🇸 US | Fits Base Model6 x 10 x 12 | View on Amazon |
| AJUSA Fits: 997cc L4 | 57000100 | 🇺🇸 US | Fits Base ModelEngine # Aor Base Model | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. 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.
AJUSA supplies both parts for the 1966 Austin Mini Cooper.
Part numbers include AJUSA 12000100 and AJUSA 57000100.
Buying Engine Parts for a 1966 Austin Mini Cooper
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.
- Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
- 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: Valve Cover Gasket and Crankshaft Seal .
Frequently Asked Questions
How many engine parts fit the 1966 Austin Mini Cooper?
Our catalog currently lists 19 engine parts for the 1966 Austin Mini Cooper across 13 subcategories and 7 brands, covering all 3 engine options (1.3L L4, 970cc L4 and 997cc L4). Each part is matched to the engine(s) it fits.
Do engine parts differ between 1966 Austin Mini Cooper engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 1966 Austin Mini Cooper?
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 1966 Austin Mini Cooper 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 1966 Austin Mini Cooper?
First match the engine — each row shows which engine(s) the part fits. 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 1966 Austin Mini Cooper
Engine Parts for Other Austin Mini Cooper Years
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