The 1971 Jensen Interceptor has 16 ignition parts with verified fitment on this page — 3 part types and 10 brands, covering the 6.3L V8 engine. Each part includes a manufacturer part number and application notes.
On the 1971 Jensen Interceptor, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 16 listed parts are Spark Plug (7 parts), Ignition Coil (6 parts) and Distributor Mounting Gasket (3 parts).
Every part on this page is matched to the 6.3L V8 — the only engine offered in the 1971 Jensen Interceptor.
The most listed brands for 1971 Jensen Interceptor ignition parts are ACDELCO (4 parts), STANDARD MOTOR PRODUCTS (2 parts) and CHAMPION (2 parts), plus 7 more brands. Quality grades include Copper / Nickel, Economy and Standard Replacement.
4 parts on this 1971 Jensen Interceptor page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO U505 (Ignition Coil) and ACDELCO R43S (Spark Plug). Click any part number to see every vehicle that part fits.
Distributor Mounting Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 6464 | 🇺🇸 US 🇨🇦 CA | Distributor mounting gasket and Distributor shaft seal included | View on Amazon |
| MAHLE / CLEVITE | B17926 | 🇺🇸 US 🇨🇦 CA | Distributor GasketRubber | View on Amazon |
| VICTOR REINZ | 711387200 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the gaskets that seal the Distributor Mounting. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
3 Distributor Mounting Gasket parts for the 1971 Jensen Interceptor come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes FEL-PRO 6464, MAHLE / CLEVITE B17926 and VICTOR REINZ 711387200.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | UC12F | 🇺🇸 US 🇨🇦 CA | with 12 Volt Systemwith External Resistor | View on Amazon |
| SKP | SKUC12 | 🇺🇸 US 🇨🇦 CA | with 12 Volt Systemfor with External Resistor. | View on Amazon |
| STANDARD MOTOR PRODUCTS | UC12T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | U505 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| WELLS Popular | 5C1026 | 🇺🇸 US 🇨🇦 CA | Requires External Resistor: YES | View on Amazon |
| STANDARD MOTOR PRODUCTS | UC12 | 🇺🇸 US 🇨🇦 CA | with 12 Volt Systemwith External Resistor | 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.
6 Ignition Coil parts are listed for the 1971 Jensen Interceptor, from STANDARD MOTOR PRODUCTS, FVP, SKP and 2 other brands. ACDELCO U505 carries the "Popular" badge.
In the Economy grade, FVP, SKP and STANDARD MOTOR PRODUCTS supply 3 parts: the catalog's value-priced group. A representative part number is FVP UC12F.
The Standard Replacement section lists 3 options from ACDELCO, WELLS and STANDARD MOTOR PRODUCTS — built to original-equipment specification. ACDELCO U505 is listed in this group.
This group includes ACDELCO U505, FVP UC12F and SKP SKUC12 and the remaining parts above.
Spark Plug
Summary: Notes include pre-set gaps of 0.035" and 0.040". Replacement brands in this table include ACDELCO, CHAMPION and NGK.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | R43S | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Popular | 14 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.035" | View on Amazon |
| CHAMPION | 10 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.035" | View on Amazon |
| NGK | 3332 | 🇺🇸 US 🇨🇦 CA | V-PowerStock Number: 3332 | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41833 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK | 7355 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.040" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 7 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | 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.
7 Spark Plug parts for the 1971 Jensen Interceptor come from 3 brands — ACDELCO, CHAMPION and NGK. The "Popular" part is ACDELCO R43S.
The Copper / Nickel section lists 4 options from CHAMPION, ACDELCO and NGK — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO R43S is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 1 option from ACDELCO — 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. ACDELCO 41833 is listed in this group.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, NGK supplies 1 part: grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is NGK 7355.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 1 option from ACDELCO — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. ACDELCO 7 is listed in this group.
This group includes ACDELCO R43S, CHAMPION 14 and CHAMPION 10 and the remaining parts above.
Buying Ignition Parts for a 1971 Jensen Interceptor
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 6.3L V8 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 Ignition Coil .
Frequently Asked Questions
How many ignition parts fit the 1971 Jensen Interceptor?
Our catalog currently lists 16 ignition parts for the 1971 Jensen Interceptor across 3 subcategories and 10 brands, covering the 6.3L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1971 Jensen Interceptor?
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 1971 Jensen Interceptor?
Notes on this page include pre-set gaps of 0.035" and 0.040". 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 1971 Jensen Interceptor 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 1971 Jensen Interceptor?
Every part on this page is matched to the 6.3L V8 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 1971 Jensen Interceptor
Ignition Parts for Other Jensen Interceptor Years
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