The 1974 Austin Marina has 45 engine parts with verified fitment on this page — 15 part types and 17 brands, covering the 1.8L L4 engine. Each part includes a manufacturer part number and application notes.
On the 1974 Austin Marina, 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. 21 parts of the 45 listed are Oil Filter (12 parts), Expansion Plug (5 parts) and Cylinder Head Gasket (4 parts). The other 12 part types cover the remaining 24 parts.
Every part on this page is matched to the 1.8L L4 — the only engine offered in the 1974 Austin Marina.
The most listed brands for 1974 Austin Marina engine parts are AJUSA (9 parts), MAHLE / CLEVITE (5 parts) and VICTOR REINZ (5 parts), plus 14 more brands. Quality grades include Standard Replacement and Economy.
4 parts on this 1974 Austin Marina page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DORMAN 565030 (Expansion Plug) and ACDELCO PF53 (Oil Filter). Click any part number to see every vehicle that part fits.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | DA2 | 🇺🇸 US 🇨🇦 CA | OHV | 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.
This group shows a single part: DURA-BOND DA2.
Connecting Rod Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS | CR4403AM | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Base) | View on Amazon |
| MAHLE / CLEVITE | CB792P | 🇺🇸 US 🇨🇦 CA | 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.
2 Connecting Rod Bearing parts for the 1974 Austin Marina come from 2 brands — KING ENGINE BEARINGS and MAHLE / CLEVITE.
Part numbers include KING ENGINE BEARINGS CR4403AM and MAHLE / CLEVITE CB792P.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54031800 | 🇺🇸 US 🇨🇦 CA | Fits Engine # Bor OHVEngine # B | View on Amazon |
| MAHLE / CLEVITE | CS3614 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ | 081133401 | 🇺🇸 US 🇨🇦 CA | 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.
3 Conversion / Lower Gasket Set parts for the 1974 Austin Marina come from 3 brands — AJUSA, MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include AJUSA 54031800, MAHLE / CLEVITE CS3614 and VICTOR REINZ 081133401.
Crankshaft Main Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS | MB520AM | 🇺🇸 US 🇨🇦 CA | SetBimetal (Aluminum Base) | View on Amazon |
This table covers the main bearings that support the crankshaft in the block. 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 1974 Austin Marina — KING ENGINE BEARINGS MB520AM.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15015900 | 🇺🇸 US 🇨🇦 CA | Fits Front38 x 58.9 x 8.3/9.5 | View on Amazon |
| AJUSA | 15038800 | 🇺🇸 US 🇨🇦 CA | Fits Rear88.9 x 104.7 x 9.5 | 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 1974 Austin Marina.
Listed part numbers: AJUSA 15015900 and AJUSA 15038800.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10023200 | 🇺🇸 US 🇨🇦 CA | Fits 82.5 Bore DiameterEngine # Bor OHV | View on Amazon |
| FEL-PRO | 21183C | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE | 3614 | 🇺🇸 US 🇨🇦 CA | Copper | View on Amazon |
| VICTOR REINZ | 611062500 | 🇺🇸 US 🇨🇦 CA | 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.
4 Cylinder Head Gasket parts for the 1974 Austin Marina come from 4 brands — AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
This group includes AJUSA 10023200, FEL-PRO 21183C and MAHLE / CLEVITE 3614 and the remaining parts above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52055600 | 🇺🇸 US 🇨🇦 CA | Fits Engine # Bor OHVEngine # B | View on Amazon |
| MAHLE / CLEVITE | HS3614W | 🇺🇸 US 🇨🇦 CA | Includes Valve Stem Seals | View on Amazon |
| VICTOR REINZ | 021091801 | 🇺🇸 US 🇨🇦 CA | 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.
3 Cylinder Head Gasket Set parts for the 1974 Austin Marina come from 3 brands — AJUSA, MAHLE / CLEVITE and VICTOR REINZ.
This group includes AJUSA 52055600, MAHLE / CLEVITE HS3614W and VICTOR REINZ 021091801.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50062900 | 🇺🇸 US 🇨🇦 CA | Fits Engine # Bor OHVEngine # B | 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 50062900.
Expansion Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 565030 | 🇺🇸 US 🇨🇦 CA | Nominal Dia.: 41.54mmMetric Dia. | View on Amazon |
| DORMAN | 555030 | 🇺🇸 US 🇨🇦 CA | SteelNominal Dia.: 41.54mm | View on Amazon |
| PIONEER | PE143 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| PIONEER | PE143R | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| PIONEER | PE143BR | 🇺🇸 US 🇨🇦 CA | Brass or Steel | View on Amazon |
This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
5 Expansion Plug parts for the 1974 Austin Marina come from 2 brands — PIONEER and DORMAN. The "Popular" part is DORMAN 565030.
Part numbers include DORMAN 565030, DORMAN 555030 and PIONEER PE143, among others listed above.
Intake & Exhaust Manifold Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13017700 | 🇺🇸 US 🇨🇦 CA | Fits Engine # Bor OHVEngine # B | View on Amazon |
| FEL-PRO | MS22506B | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE | MS15234 | 🇺🇸 US 🇨🇦 CA | Composite | View on Amazon |
| VICTOR REINZ | 111076901 | 🇺🇸 US 🇨🇦 CA | 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 for the 1974 Austin Marina come from 4 brands — AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand.
This group includes AJUSA 13017700, FEL-PRO MS22506B and MAHLE / CLEVITE MS15234 and the remaining parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 18000900 | 🇺🇸 US 🇨🇦 CA | Fits Engine # Bwith Original Equipment (OE) # 11026-01N02 | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. 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 18000900.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 72137WS | 🇺🇸 US 🇨🇦 CA | Workshop Oil Filter | View on Amazon |
| PUROLATOR | TL10028 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PUROLATOR | L10028 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VARIOUS MFR | PG4670 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | PF53 | 🇺🇸 US 🇨🇦 CA | Gold / Professional or Gold / Professional DurapackSpin-On | View on Amazon |
| MOTORCRAFT Popular | FL300 | 🇺🇸 US 🇨🇦 CA | Models with Top Mounted Filter | View on Amazon |
| WIX Popular | 51307 | 🇺🇸 US 🇨🇦 CA | Spin-On Filter | View on Amazon |
| BECK/ARNLEY | 0418162 | 🇺🇸 US 🇨🇦 CA | Top Loading Filter | View on Amazon |
| BOSCH | 3402 | 🇺🇸 US 🇨🇦 CA | Premium Oil Filter | View on Amazon |
| HASTINGS / BALDWIN | LF142 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MANN | W92017 | 🇺🇸 US 🇨🇦 CA | Models with Top Mounted Filter | View on Amazon |
| VARIOUS MFR | PG4670EX | 🇺🇸 US 🇨🇦 CA | Extended LifeSpin-On | 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.
12 Oil Filter parts are listed for the 1974 Austin Marina, from BOSCH, PUROLATOR, VARIOUS MFR and 6 other brands. ACDELCO PF53 carries the "Popular" badge.
In the Economy grade, PUROLATOR, BOSCH and VARIOUS MFR supply 4 parts: the catalog's value-priced group. A representative part number is BOSCH 72137WS.
The Standard Replacement section lists 8 options from ACDELCO, MOTORCRAFT, WIX and 5 other brands — built to original-equipment specification. ACDELCO PF53 is listed in this group.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 14041100 | 🇺🇸 US 🇨🇦 CA | Fits Engine # Bor OHVEngine # B | View on Amazon |
| FEL-PRO | OS20011 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VICTOR REINZ | 711525600 | 🇺🇸 US 🇨🇦 CA | Composite FiberAFM | 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.
3 Oil Pan Gasket parts are listed for the 1974 Austin Marina, from AJUSA, FEL-PRO and VICTOR REINZ.
This group includes AJUSA 14041100, FEL-PRO OS20011 and VICTOR REINZ 711525600.
Thrust Washer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KING ENGINE BEARINGS | TW216AM | 🇺🇸 US 🇨🇦 CA | Bimetal (Aluminum Base) | View on Amazon |
This table covers the Thrust washers.
One part is listed for the 1974 Austin Marina — KING ENGINE BEARINGS TW216AM.
Timing Belt Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 0513860 | 🇺🇸 US 🇨🇦 CA | Bearing Only | View on Amazon |
| BECK/ARNLEY | 0513954 | 🇺🇸 US 🇨🇦 CA | 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 1974 Austin Marina.
Listed part numbers: BECK/ARNLEY 0513860 and BECK/ARNLEY 0513954.
Buying Engine Parts for a 1974 Austin Marina
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 1.8L 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: Oil Filter and Expansion Plug .
Frequently Asked Questions
How many engine parts fit the 1974 Austin Marina?
Our catalog currently lists 45 engine parts for the 1974 Austin Marina across 15 subcategories and 17 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 1974 Austin Marina?
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 1974 Austin Marina 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 1974 Austin Marina?
Every part on this page is matched to the 1.8L 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 1974 Austin Marina
Engine Parts for Other Austin Marina Years
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