1977 Triumph TR7 Ignition Parts

This table covers the Ballast resistors. Read more

STANDARD MOTOR PRODUCTS supplies both parts for the 1977 Triumph TR7.

In the Economy grade, STANDARD MOTOR PRODUCTS supplies 1 part: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS RU10T.

The Standard Replacement section lists 1 option from STANDARD MOTOR PRODUCTS — built to original-equipment specification. STANDARD MOTOR PRODUCTS RU10 is listed in this group.

Part numbers include STANDARD MOTOR PRODUCTS RU10T and STANDARD MOTOR PRODUCTS RU10.

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. Read more

2 Distributor Cap parts for the 1977 Triumph TR7 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS LU430 and WELLS 5D1042.

This table covers the Distributor reluctors. Read more

This group shows a single part: WELLS 1A4052.

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. Read more

2 Distributor Rotor parts for the 1977 Triumph TR7 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS LU324 and WELLS 4R1189.

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. Read more

10 Ignition Coil parts are listed for the 1977 Triumph TR7, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 6 other brands. STANDARD MOTOR PRODUCTS UC15T carries the "Popular" badge.

Economy: 5 parts, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands. A representative part number is STANDARD MOTOR PRODUCTS UC15T.

The Standard Replacement section: 5 options from STANDARD MOTOR PRODUCTS, BECK/ARNLEY, UNITED MOTOR PRODUCTS and 2 other brands. STANDARD MOTOR PRODUCTS UC15 is listed in this group.

This table covers the Ignition Conversion kits. Read more

3 Ignition Conversion Kit parts for the 1977 Triumph TR7 come from 2 brands — WELLS and STANDARD MOTOR PRODUCTS.

Part numbers include STANDARD MOTOR PRODUCTS LX806, WELLS 1A4179 and WELLS 1A4084.

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. Read more

24 Spark Plug parts for the 1977 Triumph TR7 come from 6 brands — NGK, DENSO, CHAMPION and 3 other brands. The "Popular" part is ACDELCO R44XLS.

The Copper / Nickel section lists 13 options from NGK, CHAMPION, DENSO and 3 other brands — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO R44XLS is listed in this group.

The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 3 options from ACDELCO, CHAMPION and DENSO — 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 41828 is listed in this group.

In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, DENSO and NGK supply 4 parts: 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 DENSO 5305.

The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 3 options from NGK, CHAMPION and DENSO — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. NGK 7082 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

This table covers the non-foulers that space a spark plug away from oil fouling. Read more

One part is listed for the 1977 Triumph TR7 — DORMAN 42004.

This table covers the Spark Plug wires. Read more

9 Spark Plug Wire parts are listed for the 1977 Triumph TR7, from STANDARD MOTOR PRODUCTS, NGK, DENSO and 2 other brands. NGK 52408 carries the "Popular" badge.

The Premium section lists 5 options from STANDARD MOTOR PRODUCTS, NGK, DENSO and 1 other brand — a step above OE specification in materials, tolerances or warranty terms. NGK 52408 is listed in this group.

The Standard Replacement section: 4 options from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. STANDARD MOTOR PRODUCTS 27478 is listed in this group.

This group includes NGK 52408, DENSO 6714016 and STANDARD MOTOR PRODUCTS 55430 and the remaining parts above.