The 1984 Bentley Mulsanne has 34 ignition parts with verified fitment on this page — 5 part types and 13 brands, covering both the 6.7L V8 and the 6.7L V8 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 1984 Bentley Mulsanne, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Spark Plug (19 parts), Ignition Coil (10 parts) and Distributor Cap (2 parts). The other 2 part types cover the remaining 3 parts.
The 1984 Bentley Mulsanne was sold with both the 6.7L V8 and the 6.7L V8 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1984 Bentley Mulsanne ignition parts are DENSO (6 parts), STANDARD MOTOR PRODUCTS (5 parts) and NGK (5 parts), plus 10 more brands. Quality grades include Copper / Nickel, Economy and Iridium.
6 parts on this 1984 Bentley Mulsanne page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS UC15T (Ignition Coil) and DENSO 5303 (Spark Plug). Click any part number to see every vehicle that part fits.
Distributor Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.7L V8 Turbocharged | LU433 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 6.7L V8 Turbocharged | 5D1268 | 🇺🇸 US 🇨🇦 CA | 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 for the 1984 Bentley Mulsanne come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS LU433 and WELLS 5D1268.
Distributor Rotor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.7L V8 Turbocharged | LU325 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 6.7L V8 Turbocharged | 4R1193 | 🇺🇸 US 🇨🇦 CA | 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 for the 1984 Bentley Mulsanne come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS LU325 and WELLS 4R1193.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 6.7L V8 Turbocharged | UC15T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| FVP Fits: 6.7L V8 Turbocharged | UC15F | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 6.7L V8 Turbocharged | 2IGC0058 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 6.7L V8 Turbocharged | SKUC15T | 🇺🇸 US 🇨🇦 CA | Coil Pack | View on Amazon |
| SPECTRA PREMIUM Fits: 6.7L V8 Turbocharged | C622 | 🇺🇸 US 🇨🇦 CA | Pack | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: 6.7L V8 Turbocharged | 48863 | 🇺🇸 US 🇨🇦 CA | Connections May be Eyelet or Spade | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 6.7L V8 Turbocharged | UC15 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: 6.7L V8 Turbocharged | C15 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: 6.7L V8 Turbocharged | 9201041 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
| WELLS Fits: 6.7L V8 Turbocharged | 5C1019 | 🇺🇸 US 🇨🇦 CA | 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.
10 Ignition Coil parts are listed for the 1984 Bentley Mulsanne, from STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 6 other brands. STANDARD MOTOR PRODUCTS UC15T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS UC15T.
The Standard Replacement section lists 5 options from NGK, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 2 other brands — built to original-equipment specification. NGK 48863 is listed in this group.
Ignition Coil Mounting Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.7L V8 Turbocharged | CB6 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the brackets that mount the Ignition Coil Mounting. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
This group shows a single part: STANDARD MOTOR PRODUCTS CB6.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.03", 0.031", 0.032", 0.035", 0.036", 0.040", 0.041" and 0.044". Replacement brands in this table include DENSO, CHAMPION and NGK.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE Fits: 6.7L V8 Turbocharged | 65 | 🇺🇸 US 🇨🇦 CA | Copper Resistor Spark PlugDisplay Pack | View on Amazon |
| CHAMPION Fits: 6.7L V8 Turbocharged | 415 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION Fits: 6.7L V8 Turbocharged | 4151 | 🇺🇸 US 🇨🇦 CA | Copper PlusClassification: Champion Copper Plus Small Engine | View on Amazon |
| DENSO Fits: 6.7L V8 Turbocharged | 3191 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalPre-Set Gap: 0.032" | View on Amazon |
| NGK Fits: 6.7L V8 Turbocharged | 2460 | 🇺🇸 US 🇨🇦 CA | StandardPre-Set Gap: 0.036" | View on Amazon |
| NGK Fits: 6.7L V8 Turbocharged | 7938 | 🇺🇸 US 🇨🇦 CA | V-PowerPre-Set Gap: 0.036" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 6.7L V8 Turbocharged | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| AUTOLITE Fits: 6.7L V8 Turbocharged | APP65 | 🇺🇸 US 🇨🇦 CA | Double PlatinumPre-Set Gap: 0.035" | View on Amazon |
| CHAMPION Fits: 6.7L V8 Turbocharged | 7415 | 🇺🇸 US 🇨🇦 CA | Double Platinum PowerPre-Set Gap: 0.032" | View on Amazon |
| DENSO Fits: 6.7L V8 Turbocharged | 3264 | 🇺🇸 US 🇨🇦 CA | Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular Fits: 6.7L V8 Turbocharged | 5303 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.044" | View on Amazon |
| NGK Popular Fits: 6.7L V8 Turbocharged | 6341 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION Fits: 6.7L V8 Turbocharged | 9804 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.03" | View on Amazon |
| DENSO Fits: 6.7L V8 Turbocharged | 4701 | 🇺🇸 US 🇨🇦 CA | Iridium TTPre-Set Gap: 0.040" | View on Amazon |
| DENSO Fits: 6.7L V8 Turbocharged | 3395 | 🇺🇸 US 🇨🇦 CA | Iridium Long LifePre-Set Gap: 0.044" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular Fits: 6.7L V8 Turbocharged | 4503 | 🇺🇸 US 🇨🇦 CA | Platinum TTPlatinum | View on Amazon |
| NGK Popular Fits: 6.7L V8 Turbocharged | 7090 | 🇺🇸 US 🇨🇦 CA | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| ACDELCO Fits: 6.7L V8 Turbocharged | 4 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| AUTOLITE Fits: 6.7L V8 Turbocharged | AP65 | 🇺🇸 US 🇨🇦 CA | Platinum Spark PlugDisplay Pack | 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.
19 Spark Plug parts for the 1984 Bentley Mulsanne come from 5 brands — DENSO, CHAMPION, NGK and 2 other brands. The "Popular" part is DENSO 5303.
The Copper / Nickel section lists 6 options from CHAMPION, NGK, AUTOLITE and 1 other brand — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. AUTOLITE 65 is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 4 options from ACDELCO, AUTOLITE, CHAMPION and 1 other brand — 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 41804 is listed in this group.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, DENSO, NGK and CHAMPION supply 5 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 5303.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 4 options from DENSO, NGK, ACDELCO and 1 other brand — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. DENSO 4503 is listed in this group.
Buying Ignition Parts for a 1984 Bentley Mulsanne
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Every ignition part here is engine-specific; each row shows which engine(s) it fits.
- 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 1984 Bentley Mulsanne?
Our catalog currently lists 34 ignition parts for the 1984 Bentley Mulsanne across 5 subcategories and 13 brands, covering both the 6.7L V8 and the 6.7L V8 Turbocharged. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 1984 Bentley Mulsanne engines?
Yes. Every ignition part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of ignition problems on a 1984 Bentley Mulsanne?
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 1984 Bentley Mulsanne?
Notes on this page include pre-set gaps of 0.024", 0.03", 0.031", 0.032", 0.035", 0.036", 0.040", 0.041" and 0.044". 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 1984 Bentley Mulsanne 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 1984 Bentley Mulsanne?
First match the engine — each row shows which engine(s) the part fits. 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 1984 Bentley Mulsanne
Ignition Parts for Other Bentley Mulsanne Years
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