This page lists 36 ignition parts for the 1957 Desoto Firedome, across 11 part types, covering the 5.6L 341cid V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1957 Desoto Firedome, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 21 parts of the 36 listed are Ignition Coil (9 parts), Distributor Cap (8 parts) and Distributor Rotor (4 parts). The other 8 part types cover the remaining 15 parts.
The 1957 Desoto Firedome came with a single engine, the 5.6L 341cid V8, and every part is verified against it.
12 brands supply ignition parts for the 1957 Desoto Firedome, led by STANDARD MOTOR PRODUCTS (10 parts), LILAND GLOBAL (7 parts) and WELLS (5 parts), plus 9 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1957 Desoto Firedome. 4 parts have it, including STANDARD MOTOR PRODUCTS AL140 (Distributor Cap) and ACDELCO U505 (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Ballast Resistor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | RU37 | 🇺🇸 US | View on Amazon |
This table covers the Ballast resistors.
This group shows a single part: STANDARD MOTOR PRODUCTS RU37.
Condenser / Capacitor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | AL118T | 🇺🇸 US | T-SeriesTerminal Type: Slide | View on Amazon |
This table covers the capacitors used in this electrical or A/C circuit.
This group shows a single part: STANDARD MOTOR PRODUCTS AL118T.
Distributor Cap
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL | AL148BBVLG | 🇺🇸 US | Black Brass | View on Amazon |
| LILAND GLOBAL | AL148LG | 🇺🇸 US | Black Brass | View on Amazon |
| LILAND GLOBAL | AL483LG | 🇺🇸 US | Tan Brass | View on Amazon |
| LILAND GLOBAL | AL148TBVLG | 🇺🇸 US | Tan Brass | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | AL140 | 🇺🇸 US | View on Amazon | |
| WELLS Popular | 3D1022 | 🇺🇸 US | Includes Rotor | View on Amazon |
| LILAND GLOBAL | AL140BAVLG | 🇺🇸 US | Black Aluminum | View on Amazon |
| WELLS | 5D1024 | 🇺🇸 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.
8 Distributor Cap parts are listed for the 1957 Desoto Firedome, from LILAND GLOBAL, WELLS and STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS AL140 carries the "Popular" badge.
The Premium section lists 4 options from LILAND GLOBAL — a step above OE specification in materials, tolerances or warranty terms. LILAND GLOBAL AL148BBVLG is listed in this group.
The Standard Replacement section lists 4 options from WELLS, STANDARD MOTOR PRODUCTS and LILAND GLOBAL — built to original-equipment specification. STANDARD MOTOR PRODUCTS AL140 is listed in this group.
Part numbers include STANDARD MOTOR PRODUCTS AL140, LILAND GLOBAL AL148BBVLG and LILAND GLOBAL AL148LG, among others listed above.
Distributor Mounting Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 6464 | 🇺🇸 US | Distributor mounting gasket and Distributor shaft seal included | View on Amazon |
| VICTOR REINZ | 711387200 | 🇺🇸 US | 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.
2 Distributor Mounting Gasket parts are listed for the 1957 Desoto Firedome, from FEL-PRO and VICTOR REINZ.
Part numbers include FEL-PRO 6464 and VICTOR REINZ 711387200.
Distributor Rotor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 4R1015 | 🇺🇸 US | with Single Points | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL | AL153LG | 🇺🇸 US | Color: BlackBody Material: Phenolic | View on Amazon |
| LILAND GLOBAL | AL153TBLG | 🇺🇸 US | Height: 1/4 InColor: Tan | View on Amazon |
| STANDARD MOTOR PRODUCTS | AL153 | 🇺🇸 US | 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.
4 Distributor Rotor parts are listed for the 1957 Desoto Firedome, from LILAND GLOBAL, WELLS and STANDARD MOTOR PRODUCTS.
In the Economy grade, WELLS supplies 1 part: the catalog's value-priced group. A representative part number is WELLS 4R1015.
The Standard Replacement section: 3 options from LILAND GLOBAL and STANDARD MOTOR PRODUCTS. LILAND GLOBAL AL153LG is listed in this group.
Listed part numbers: WELLS 4R1015, LILAND GLOBAL AL153LG and LILAND GLOBAL AL153TBLG, plus the other parts above.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| B&B | BB6012 | 🇺🇸 US | View on Amazon | |
| FVP | UC12F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN | 2IGC0056 | 🇺🇸 US | View on Amazon | |
| SKP | SKUC12 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS | UC12T | 🇺🇸 US | 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 | Requires External Resistor: YES | View on Amazon |
| ACDELCO | E552C | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| STANDARD MOTOR PRODUCTS | UC12 | 🇺🇸 US | 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 1957 Desoto Firedome come from 7 brands — STANDARD MOTOR PRODUCTS, ACDELCO, B&B and 4 other brands. The "Popular" part is ACDELCO U505.
The Economy section: 5 options from B&B, FVP, HOLSTEIN and 2 other brands. B&B BB6012 is listed in this group.
Standard Replacement: 4 parts, from ACDELCO, WELLS and STANDARD MOTOR PRODUCTS. A representative part number is ACDELCO U505.
Listed part numbers: ACDELCO U505, B&B BB6012 and FVP UC12F, plus the other parts above.
Ignition Coil Mounting Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CB1 | 🇺🇸 US | View on Amazon | |
| WELLS | 4C1009 | 🇺🇸 US | Universal Coil BracketWith flange for capacitor mounting. For Delco-Remy Applications. | 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.
2 Ignition Coil Mounting Bracket parts are listed for the 1957 Desoto Firedome, from STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS CB1 and WELLS 4C1009.
Ignition Lock Cylinder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | US12L | 🇺🇸 US | View on Amazon |
This table covers the lock cylinders in the ignition switch.
This group shows a single part: STANDARD MOTOR PRODUCTS US12L.
Spark Plug
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | R43S | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION | 63 | 🇺🇸 US | Copper PlusCopper Plus Pre-Set Gap: 0.035" | 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 |
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.
4 Spark Plug parts are listed for the 1957 Desoto Firedome, from ACDELCO and CHAMPION.
In the Copper / Nickel grade, ACDELCO and CHAMPION supply 2 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO R43S.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO supplies 1 part: 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 41833.
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 7.
Listed part numbers: ACDELCO R43S, CHAMPION 63 and ACDELCO 41833, plus the other parts above.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | 2066C | 🇺🇸 US | Molded Rubber | View on Amazon |
| VICTOR REINZ | 181017101 | 🇺🇸 US | Valve Cover | View on Amazon |
This table covers the seals at the Spark Plug Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Spark Plug Tube Seal parts for the 1957 Desoto Firedome come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.
Listed part numbers: MAHLE / CLEVITE 2066C and VICTOR REINZ 181017101.
Spark Plug Wire
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | 3800 | 🇺🇸 US | SetCore Material: Suppression Core | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | 23800 | 🇺🇸 US | Pro SeriesSet | View on Amazon |
This table covers the Spark Plug wires.
2 Spark Plug Wire parts for the 1957 Desoto Firedome come from STANDARD MOTOR PRODUCTS.
Premium: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 3800.
Standard Replacement: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 23800.
Listed part numbers: STANDARD MOTOR PRODUCTS 3800 and STANDARD MOTOR PRODUCTS 23800.
Buying Ignition Parts for a 1957 Desoto Firedome
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 5.6L 341cid 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: Ignition Coil and Distributor Cap .
Frequently Asked Questions
How many ignition parts fit the 1957 Desoto Firedome?
Our catalog currently lists 36 ignition parts for the 1957 Desoto Firedome across 11 subcategories and 12 brands, covering the 5.6L 341cid V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1957 Desoto Firedome?
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 1957 Desoto Firedome?
Notes on this page include a 0.035" pre-set gap. 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 1957 Desoto Firedome 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 1957 Desoto Firedome?
Every part on this page is matched to the 5.6L 341cid 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 1957 Desoto Firedome
Ignition Parts for Other Desoto Firedome Years
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