The 1968 Triumph TR6 has 27 ignition parts with verified fitment on this page — 7 part types and 12 brands, covering the 2.5L L6 engine. Each part includes a manufacturer part number and application notes.
On the 1968 Triumph TR6, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 21 parts of the 27 listed are Ignition Coil (9 parts), Spark Plug (9 parts) and Spark Plug Wire (3 parts). The other 4 part types cover the remaining 6 parts.
The 1968 Triumph TR6 came with a single engine, the 2.5L L6, and every part is verified against it.
12 brands supply ignition parts for the 1968 Triumph TR6, led by CHAMPION (5 parts), WELLS (4 parts) and STANDARD MOTOR PRODUCTS (3 parts), plus 9 more brands. Quality grades include Economy, Standard Replacement and Copper / Nickel.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1968 Triumph TR6. 4 parts have it, including STANDARD MOTOR PRODUCTS UC15T (Ignition Coil) and ACDELCO R42XLS (Spark Plug). Each part number opens a page with every vehicle that part fits.
Distributor Rotor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | LU302 | 🇺🇸 US | View on Amazon | |
| WELLS | 4R1188 | 🇺🇸 US | Distributor # 41168,41306 | View on Amazon |
This table covers the Distributor rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness.
2 Distributor Rotor parts are listed for the 1968 Triumph TR6, from STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS LU302 and WELLS 4R1188.
Ignition Breaker Points
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND | ANA1004 | 🇺🇸 US 🇨🇦 CA | Contact SetTR6 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 4P1083 | 🇺🇸 US | Distributor # 41202,41168 | View on Amazon |
This table covers the breaker points in a points-type distributor.
2 Ignition Breaker Points parts for the 1968 Triumph TR6 come from 2 brands — FAMOUS BRAND and WELLS.
The Economy section lists 1 option from FAMOUS BRAND — the catalog's value-priced group. FAMOUS BRAND ANA1004 is listed in this group.
In the Standard Replacement grade, WELLS supplies 1 part: built to original-equipment specification. A representative part number is WELLS 4P1083.
This group includes FAMOUS BRAND ANA1004 and WELLS 4P1083.
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 |
|---|---|---|---|---|
| NGK Popular | 48863 | 🇺🇸 US | Connections May be Eyelet or Spade | View on Amazon |
| STANDARD MOTOR PRODUCTS | 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.
9 Ignition Coil parts for the 1968 Triumph TR6 come from 8 brands — STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 5 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS UC15T.
The Economy section: 5 options from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS UC15T is listed in this group.
Standard Replacement: 4 parts, from NGK, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand. A representative part number is NGK 48863.
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 | 1A4229 | 🇺🇸 US | with Lucas Distributor # 22D612 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
One part is listed for the 1968 Triumph TR6 — WELLS 1A4229.
Spark Plug
Summary: Notes include pre-set gaps of 0.025", 0.03", 0.032", 0.035" and 0.041". Replacement brands in this table include CHAMPION, ACDELCO and SKP.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | R42XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Popular | 415 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION | 300 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION | 4151 | 🇺🇸 US | Copper PlusClassification: Champion Copper Plus Small Engine | 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 |
| 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 |
| SKP | SP1041 | 🇺🇸 US | Tapered Ground Electrode with Platinum Chip | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 4 | 🇺🇸 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.
9 Spark Plug parts are listed for the 1968 Triumph TR6, from CHAMPION, ACDELCO and SKP. ACDELCO R42XLS carries the "Popular" badge.
In the Copper / Nickel grade, CHAMPION and ACDELCO supply 4 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO R42XLS.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO and CHAMPION supply 2 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 2 options from CHAMPION and SKP — 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, ACDELCO 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 ACDELCO 4.
Part numbers include ACDELCO R42XLS, CHAMPION 415 and CHAMPION 300, among others listed above.
Spark Plug Non-Fouler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 42004 | 🇺🇸 US | 14mm Gasket Seat Long Reach | View on Amazon |
This table covers the non-foulers that space a spark plug away from oil fouling.
This group shows a single part: DORMAN 42004.
Spark Plug Wire
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND | 356002 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS | 7600 | 🇺🇸 US | SetUnited-Packard | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS | 766 | 🇺🇸 US | SetUnited-Packard or Permashield-Delcore | View on Amazon |
This table covers the Spark Plug wires.
3 Spark Plug Wire parts for the 1968 Triumph TR6 come from 2 brands — UNITED MOTOR PRODUCTS and FAMOUS BRAND.
The Economy section: 1 option from FAMOUS BRAND. FAMOUS BRAND 356002 is listed in this group.
In the Premium grade, UNITED MOTOR PRODUCTS supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is UNITED MOTOR PRODUCTS 7600.
Standard Replacement: 1 part, from UNITED MOTOR PRODUCTS. A representative part number is UNITED MOTOR PRODUCTS 766.
This group includes FAMOUS BRAND 356002, UNITED MOTOR PRODUCTS 7600 and UNITED MOTOR PRODUCTS 766.
Buying Ignition Parts for a 1968 Triumph TR6
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.5L 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: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 1968 Triumph TR6?
Our catalog currently lists 27 ignition parts for the 1968 Triumph TR6 across 7 subcategories and 12 brands, covering the 2.5L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1968 Triumph TR6?
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 1968 Triumph TR6?
Notes on this page include pre-set gaps of 0.025", 0.03", 0.032", 0.035" and 0.041". 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 1968 Triumph TR6 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 1968 Triumph TR6?
Every part on this page is matched to the 2.5L 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 1968 Triumph TR6
Ignition Parts for Other Triumph TR6 Years
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