The 1962 Alvis TD21 has 5 ignition parts with verified fitment on this page — 1 part type and 4 brands, covering the 3.0L L6 engine. Each part includes a manufacturer part number and application notes.
On the 1962 Alvis TD21, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Every listed part is a Spark Plug.
Every part on this page is matched to the 3.0L L6 — the only engine offered in the 1962 Alvis TD21.
The most listed brands for 1962 Alvis TD21 ignition parts are CHAMPION (2 parts), ACDELCO (1 part) and AUTOLITE (1 part), plus 1 more brand.
1 part on this 1962 Alvis TD21 page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — ACDELCO R44XL (Spark Plug). Click any part number to see every vehicle that part fits.
Spark Plug
Summary: Notes include pre-set gaps of 0.025", 0.026" and 0.034". Replacement brands in this table include CHAMPION, ACDELCO and AUTOLITE.
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | R44XL | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| AUTOLITE | 404 | 🇺🇸 US | Copper ResistorPre-Set Gap: 0.034" | View on Amazon |
| CHAMPION | 120 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.026" | View on Amazon |
| CHAMPION | 123 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| MOTORCRAFT | SP466 | 🇺🇸 US | Copper | 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.
5 Spark Plug parts for the 1962 Alvis TD21 come from 4 brands — CHAMPION, ACDELCO, AUTOLITE and 1 other brand. The "Popular" part is ACDELCO R44XL.
Part numbers include ACDELCO R44XL, AUTOLITE 404 and CHAMPION 120, among others listed above.
Buying Ignition Parts for a 1962 Alvis TD21
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 3.0L 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 .
Frequently Asked Questions
How many ignition parts fit the 1962 Alvis TD21?
Our catalog currently lists 5 ignition parts for the 1962 Alvis TD21 across 1 subcategory and 4 brands, covering the 3.0L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1962 Alvis TD21?
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 1962 Alvis TD21?
Notes on this page include pre-set gaps of 0.025", 0.026" and 0.034". 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 1962 Alvis TD21 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 1962 Alvis TD21?
Every part on this page is matched to the 3.0L 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 1962 Alvis TD21
Ignition Parts for Other Alvis TD21 Years
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