The 1957 Triumph TR3A has 9 steering parts with verified fitment on this page — 2 part types and 6 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
The steering system on the 1957 Triumph TR3A connects driver to road through the rack, pump, tie rods, and column components. All 9 listed parts are Steering Gear Housing Seal (5 parts) and Power Steering Fluid (4 parts).
The 1957 Triumph TR3A came with a single engine, the 2.0L L4, and every part is verified against it.
6 brands supply steering parts for the 1957 Triumph TR3A, led by LUBEGARD (4 parts), NATIONAL (1 part) and BCA (1 part), plus 3 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1957 Triumph TR3A. 1 part has it: NATIONAL 473234 (Steering Gear Housing Seal). Each part number opens a page with every vehicle that part fits.
Power Steering Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD | 23201 | 🇺🇸 US | 1 QuartSynthetic Power Steering Fluid | View on Amazon |
| LUBEGARD | 23205 | 🇺🇸 US | 5 GallonSynthetic Power Steering Fluid | View on Amazon |
| LUBEGARD | 23232 | 🇺🇸 US | Synthetic Power Steering Fluid1 Quart | View on Amazon |
| LUBEGARD | 23255 | 🇺🇸 US | 55 GallonSynthetic Power Steering Fluid | View on Amazon |
This table covers the fluids specified for this steering system. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
4 Power Steering Fluid parts for the 1957 Triumph TR3A come from LUBEGARD.
Part numbers include LUBEGARD 23201, LUBEGARD 23205 and LUBEGARD 23232, among others listed above.
Steering Gear Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 473234 | 🇺🇸 US | with Manual Steering | View on Amazon |
| BCA | NS473234 | 🇺🇸 US | with Manual Steering | View on Amazon |
| SCHAEFFLER | SS2735 | 🇺🇸 US | 2.51" O.D. X 0.31" Width | View on Amazon |
| SKF | 16719 | 🇺🇸 US | Standard | View on Amazon |
| WJB / INMOTION PARTS | WS473234 | 🇺🇸 US | with Manual Steering | View on Amazon |
This table covers the seals at the Steering Gear 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.
5 Steering Gear Housing Seal parts for the 1957 Triumph TR3A come from 5 brands — NATIONAL, BCA, SCHAEFFLER and 2 other brands. The "Popular" part is NATIONAL 473234.
Listed part numbers: NATIONAL 473234, BCA NS473234 and SCHAEFFLER SS2735, plus the other parts above.
Buying Steering Parts for a 1957 Triumph TR3A
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- Confirm you have the 2.0L 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 inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Steering Gear Housing Seal and Power Steering Fluid .
Frequently Asked Questions
How many steering parts fit the 1957 Triumph TR3A?
Our catalog currently lists 9 steering parts for the 1957 Triumph TR3A across 2 subcategories and 6 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of steering problems on a 1957 Triumph TR3A?
Common symptoms include play or looseness on center, a whine when turning, fluid weeping from rack boots, or uneven tire wear on the front axle. 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 inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
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 Triumph TR3A 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 Triumph TR3A?
Every part on this page is matched to the 2.0L L4 engine. Then flush old power-steering fluid when replacing a pump or rack — grit in the old fluid is the number-one cause of repeat failure. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1957 Triumph TR3A
Steering Parts for Other Triumph TR3A 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.