The 1969 Triumph TR250 has 10 engine parts with verified fitment on this page — 6 part types and 4 brands, covering the 2.5L L6 engine. Each part includes a manufacturer part number and application notes.
On the 1969 Triumph TR250, 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 Piston Ring (4 parts), Expansion Plug (2 parts) and Crankshaft Repair Sleeve (1 part). The other 3 part types cover the remaining 3 parts.
Every part on this page is matched to the 2.5L L6 — the only engine offered in the 1969 Triumph TR250.
The most listed brands for 1969 Triumph TR250 engine parts are HASTINGS MANUFACTURING (4 parts), SCHAEFFLER (2 parts) and MELLING (2 parts), plus 1 more brand.
Each part number listed for the 1969 Triumph TR250 opens a page with every vehicle that part fits.
Crankshaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3511 | 🇺🇸 US | Frontwith 2.00 In Shaft | View on Amazon |
This table covers the sleeves used to restore a grooved crankshaft seal surface.
One part is listed for the 1969 Triumph TR250 — SCHAEFFLER SR3511.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SS3046 | 🇺🇸 US | Front3.01" O.D. X 0.31" Width | 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.
One part is listed for the 1969 Triumph TR250 — SCHAEFFLER SS3046.
Expansion Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | MPE156BR | 🇺🇸 US | Brass | View on Amazon |
| MELLING | MPE156R | 🇺🇸 US | 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.
2 Expansion Plug parts for the 1969 Triumph TR250 come from MELLING.
This group includes MELLING MPE156BR and MELLING MPE156R.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING | 6817 | 🇺🇸 US | Full SetPlain Cast Top Ring | View on Amazon |
| HASTINGS MANUFACTURING | 2C6817 | 🇺🇸 US | Full SetChrome Top Ring | View on Amazon |
| HASTINGS MANUFACTURING | 2C6817S | 🇺🇸 US | 1 Cylinder SetChrome Top Ring | View on Amazon |
| HASTINGS MANUFACTURING | 6817S | 🇺🇸 US | 1 Cylinder SetFor 2 Ring Piston | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
4 Piston Ring parts for the 1969 Triumph TR250 come from HASTINGS MANUFACTURING.
Listed part numbers: HASTINGS MANUFACTURING 6817, HASTINGS MANUFACTURING 2C6817 and HASTINGS MANUFACTURING 2C6817S, plus the other parts above.
Timing Cover Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 99199 | 🇺🇸 US | Shaft Diameter: 2.000 In | View on Amazon |
This table covers the wear sleeves used to restore a Timing Cover seal surface.
One part is listed for the 1969 Triumph TR250 — SKF 99199.
Timing Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 19993 | 🇺🇸 US | View on Amazon |
This table covers the seals at the Timing Cover. 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.
One part is listed for the 1969 Triumph TR250 — SKF 19993.
Buying Engine Parts for a 1969 Triumph TR250
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 2.5L 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 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: Piston Ring and Expansion Plug .
Frequently Asked Questions
How many engine parts fit the 1969 Triumph TR250?
Our catalog currently lists 10 engine parts for the 1969 Triumph TR250 across 6 subcategories and 4 brands, covering the 2.5L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 1969 Triumph TR250?
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 1969 Triumph TR250 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 1969 Triumph TR250?
Every part on this page is matched to the 2.5L L6 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 1969 Triumph TR250
Engine Parts for Other Triumph TR250 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.