15 Ignition parts are listed for the 1966 Citroen D21, in 4 part types, covering the 2.2L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1966 Citroen D21, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (8 parts), Spark Plug (4 parts) and Distributor Cap (2 parts). The other 1 part type covers the remaining 1 part.
The 1966 Citroen D21 came with a single engine, the 2.2L L4, and every part is verified against it.
9 brands supply ignition parts for the 1966 Citroen D21, led by STANDARD MOTOR PRODUCTS (3 parts), WELLS (3 parts) and CHAMPION (3 parts), plus 6 more brands. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1966 Citroen D21. 2 parts have it, including STANDARD MOTOR PRODUCTS UC15T (Ignition Coil) and STANDARD MOTOR PRODUCTS UC15 (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Distributor Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | SV403 | 🇺🇸 US | View on Amazon | |
| WELLS | 5D1385 | 🇺🇸 US | View on Amazon |
This table covers the Distributor caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
2 Distributor Cap parts are listed for the 1966 Citroen D21, from STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS SV403 and WELLS 5D1385.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | UC15T | 🇺🇸 US | T-Series | View on Amazon |
| FVP | UC15F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN | 2IGC0058 | 🇺🇸 US | View on Amazon | |
| SKP | SKUC15T | 🇺🇸 US | Coil Pack | View on Amazon |
| SPECTRA PREMIUM | C622 | 🇺🇸 US | Pack | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | UC15 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS | C15 | 🇺🇸 US | View on Amazon | |
| WELLS | 5C1019 | 🇺🇸 US | Used on most import products with 12 Volt system with Internal resistorUniversal 12 Volt Coil | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
8 Ignition Coil parts for the 1966 Citroen D21 come from 7 brands — STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 4 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS UC15T.
The Economy section lists 5 options from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands — the catalog's value-priced group. STANDARD MOTOR PRODUCTS UC15T is listed in this group.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS supply 3 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS UC15.
Listed part numbers: STANDARD MOTOR PRODUCTS UC15T, FVP UC15F and HOLSTEIN 2IGC0058, plus the other parts above.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1A4144 | 🇺🇸 US | with Ducellier Distributor # 415512 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
One part is listed for the 1966 Citroen D21 — WELLS 1A4144.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | R44F | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION | 327 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.04" | View on Amazon |
| CHAMPION | 312 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION | 3121 | 🇺🇸 US | Copper Plus | 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.
4 Spark Plug parts are listed for the 1966 Citroen D21, from CHAMPION and ACDELCO.
Listed part numbers: ACDELCO R44F, CHAMPION 327 and CHAMPION 312, plus the other parts above.
Buying Ignition Parts for a 1966 Citroen D21
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.2L 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 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: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 1966 Citroen D21?
Our catalog currently lists 15 ignition parts for the 1966 Citroen D21 across 4 subcategories and 9 brands, covering the 2.2L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1966 Citroen D21?
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 1966 Citroen D21?
Notes on this page include pre-set gaps of 0.025", 0.028", 0.030" and 0.04". 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 1966 Citroen D21 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 1966 Citroen D21?
Every part on this page is matched to the 2.2L L4 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 1966 Citroen D21
Ignition Parts for Other Citroen D21 Years
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