The 1957 Austin Westminster has 15 ignition parts with verified fitment on this page — 3 part types and 7 brands, covering the 2.6L L6 engine. Each part includes a manufacturer part number and application notes.
On the 1957 Austin Westminster, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 15 listed parts are Spark Plug (11 parts), Spark Plug Wire (3 parts) and Ignition Conversion Kit (1 part).
The 1957 Austin Westminster came with a single engine, the 2.6L L6, and every part is verified against it.
7 brands supply ignition parts for the 1957 Austin Westminster, led by CHAMPION (5 parts), ACDELCO (2 parts) and MOTORCRAFT (2 parts), plus 4 more brands. Quality grades include Copper / Nickel, Double Platinum and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1957 Austin Westminster. 3 parts have it, including ACDELCO R44XLS (Spark Plug) and CHAMPION 415 (Spark Plug). Each part number opens a page with every vehicle that part fits.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1A4153 | 🇺🇸 US | Lucas Distributor # DM2P4, Late DM2 Distributor12 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
One part is listed for the 1957 Austin Westminster — WELLS 1A4153.
Spark Plug
Summary: Notes include pre-set gaps of 0.025", 0.03", 0.032", 0.035" and 0.039". Replacement brands in this table include CHAMPION, ACDELCO and MOTORCRAFT.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | R44XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Popular | 415 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION Popular | 300 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION | 4151 | 🇺🇸 US | Copper PlusClassification: Champion Copper Plus Small Engine | View on Amazon |
| MOTORCRAFT | SP416A | 🇺🇸 US | Copper | View on Amazon |
| MOTORCRAFT | SP416X | 🇺🇸 US | Copper | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| AUTOLITE | APP65 | 🇺🇸 US | Double PlatinumPre-Set Gap: 0.035" | View on Amazon |
| CHAMPION | 7415 | 🇺🇸 US | Double Platinum PowerPre-Set Gap: 0.032" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION | 9804 | 🇺🇸 US | IridiumPre-Set Gap: 0.03" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE | AP65 | 🇺🇸 US | Platinum Spark PlugDisplay Pack | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
11 Spark Plug parts are listed for the 1957 Austin Westminster, from CHAMPION, ACDELCO, MOTORCRAFT and 1 other brand. ACDELCO R44XLS carries the "Popular" badge.
In the Copper / Nickel grade, CHAMPION, MOTORCRAFT and ACDELCO supply 6 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO R44XLS.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO, AUTOLITE and CHAMPION supply 3 parts: grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 41804.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 1 option from CHAMPION — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. CHAMPION 9804 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, AUTOLITE supplies 1 part: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is AUTOLITE AP65.
Spark Plug Wire
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | 3600 | 🇺🇸 US | SetCore Material: Suppression Core | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | 23600 | 🇺🇸 US | Pro SeriesSet | View on Amazon |
| UNITED MOTOR PRODUCTS | 661 | 🇺🇸 US | SetPermashield-Delcore | View on Amazon |
This table covers the Spark Plug wires.
3 Spark Plug Wire parts for the 1957 Austin Westminster come from 2 brands — STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
In the Premium grade, STANDARD MOTOR PRODUCTS supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is STANDARD MOTOR PRODUCTS 3600.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS supply 2 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS 23600.
Listed part numbers: STANDARD MOTOR PRODUCTS 3600, STANDARD MOTOR PRODUCTS 23600 and UNITED MOTOR PRODUCTS 661.
Buying Ignition Parts for a 1957 Austin Westminster
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.6L 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 plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Spark Plug and Spark Plug Wire .
Frequently Asked Questions
How many ignition parts fit the 1957 Austin Westminster?
Our catalog currently lists 15 ignition parts for the 1957 Austin Westminster across 3 subcategories and 7 brands, covering the 2.6L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1957 Austin Westminster?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 1957 Austin Westminster?
Notes on this page include pre-set gaps of 0.025", 0.03", 0.032", 0.035" and 0.039". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 Austin Westminster 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 Austin Westminster?
Every part on this page is matched to the 2.6L L6 engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1957 Austin Westminster
Ignition Parts for Other Austin Westminster Years
Switch vehicle or jump to a subcategory
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.