This page lists 44 ignition parts for the 1961 Checker Marathon, across 10 part types, covering both the 3.7L 226cid L6 and the 5.2L 318cid V8. Every part shows its brand, manufacturer part number and fitment notes.
On the 1961 Checker Marathon, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (12 parts), Distributor Rotor (7 parts) and Spark Plug (7 parts). The other 7 part types cover the remaining 18 parts.
The 1961 Checker Marathon was sold with both the 3.7L 226cid L6 and the 5.2L 318cid V8. 16 parts fit every engine; the other 28 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1961 Checker Marathon ignition parts are STANDARD MOTOR PRODUCTS (10 parts), WELLS (9 parts) and ACDELCO (6 parts), plus 13 more brands. Quality grades include Standard Replacement, Economy and Copper / Nickel.
5 parts on this 1961 Checker Marathon page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS AL98 (Distributor Rotor) and ACDELCO U505 (Ignition Coil). Click any part number to see every vehicle that part fits.
Ballast Resistor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 1961 Marathon engines | RU37 | 🇺🇸 US | View on Amazon |
This table covers the Ballast resistors.
One part is listed for the 1961 Checker Marathon — STANDARD MOTOR PRODUCTS RU37.
Condenser / Capacitor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.7L 226cid L6 | AL118T | 🇺🇸 US | T-SeriesTerminal Type: Slide | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 3.7L 226cid L6 | 5H1018 | 🇺🇸 US | Heavy Duty | View on Amazon |
| WELLS Fits: 3.7L 226cid L6 | 5H1099 | 🇺🇸 US | Standard Duty | View on Amazon |
This table covers the capacitors used in this electrical or A/C circuit.
3 Condenser / Capacitor parts are listed for the 1961 Checker Marathon, from WELLS and STANDARD MOTOR PRODUCTS.
In the Economy grade, STANDARD MOTOR PRODUCTS supplies 1 part: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS AL118T.
The Standard Replacement section lists 2 options from WELLS — built to original-equipment specification. WELLS 5H1018 is listed in this group.
This group includes STANDARD MOTOR PRODUCTS AL118T, WELLS 5H1018 and WELLS 5H1099.
Distributor Cap
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL Fits: 3.7L 226cid L6 | AL132LG | 🇺🇸 US | Body Material: PhenolicBlack Brass | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.7L 226cid L6 | AL132 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 3.7L 226cid L6 | 5D1065 | 🇺🇸 US | L-Head | 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.
3 Distributor Cap parts for the 1961 Checker Marathon come from 3 brands — LILAND GLOBAL, STANDARD MOTOR PRODUCTS and WELLS.
In the Premium grade, LILAND GLOBAL supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is LILAND GLOBAL AL132LG.
Standard Replacement: 2 parts, from STANDARD MOTOR PRODUCTS and WELLS. A representative part number is STANDARD MOTOR PRODUCTS AL132.
This group includes LILAND GLOBAL AL132LG, STANDARD MOTOR PRODUCTS AL132 and WELLS 5D1065.
Distributor Mounting Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 5.2L 318cid V8 | 6464 | 🇺🇸 US | Distributor mounting gasket and Distributor shaft seal included | View on Amazon |
| MAHLE / CLEVITE Fits: 5.2L 318cid V8 | B17926 | 🇺🇸 US | Distributor GasketRubber | View on Amazon |
| VICTOR REINZ Fits: 5.2L 318cid V8 | 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.
3 Distributor Mounting Gasket parts for the 1961 Checker Marathon come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.
This group includes FEL-PRO 6464, MAHLE / CLEVITE B17926 and VICTOR REINZ 711387200.
Distributor Rotor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS Fits: 3.7L 226cid L6 | CR605 | 🇺🇸 US | L-Head | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 3.7L 226cid L6 | AL98 | 🇺🇸 US | L-Head | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.7L 226cid L6 | AL154 | 🇺🇸 US | OHVvendor # Autolite | View on Amazon |
| LILAND GLOBAL Fits: 3.7L 226cid L6 | AL98LG | 🇺🇸 US | Height: 1.0 In | View on Amazon |
| LILAND GLOBAL Fits: 3.7L 226cid L6 | AL154LG | 🇺🇸 US | PremiumBlack Brass | View on Amazon |
| WELLS Fits: 3.7L 226cid L6 | 4R1010 | 🇺🇸 US | Contact Material: Brass | View on Amazon |
| WELLS Fits: 3.7L 226cid L6 | 4R1016 | 🇺🇸 US | OHVDistributor # IAT-4406 | 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.
7 Distributor Rotor parts for the 1961 Checker Marathon come from 4 brands — STANDARD MOTOR PRODUCTS, LILAND GLOBAL, WELLS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS AL98.
The Economy section: 1 option from UNITED MOTOR PRODUCTS. UNITED MOTOR PRODUCTS CR605 is listed in this group.
Standard Replacement: 6 parts, from STANDARD MOTOR PRODUCTS, LILAND GLOBAL and WELLS. A representative part number is STANDARD MOTOR PRODUCTS AL98.
Part numbers include STANDARD MOTOR PRODUCTS AL98, UNITED MOTOR PRODUCTS CR605 and STANDARD MOTOR PRODUCTS AL154, among others listed above.
Ignition Breaker Points
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: 3.7L 226cid L6 | 4P1011 | 🇺🇸 US | L-Head | View on Amazon |
| WELLS Fits: 3.7L 226cid L6 | 4P1016 | 🇺🇸 US | OHV | View on Amazon |
This table covers the breaker points in a points-type distributor.
WELLS supplies both parts for the 1961 Checker Marathon.
This group includes WELLS 4P1011 and WELLS 4P1016.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| B&B Fits: all 1961 Marathon engines | BB6012 | 🇺🇸 US | View on Amazon | |
| FVP Fits: all 1961 Marathon engines | UC12F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN Fits: all 1961 Marathon engines | 2IGC0056 | 🇺🇸 US | View on Amazon | |
| SKP Fits: all 1961 Marathon engines | SKUC12 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 1961 Marathon engines | UC12T | 🇺🇸 US | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 1961 Marathon engines | U505 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| NGK Popular Fits: all 1961 Marathon engines | 49030 | 🇺🇸 US | 12 VOLT | View on Amazon |
| WELLS Popular Fits: all 1961 Marathon engines | 5C1026 | 🇺🇸 US | Requires External Resistor: YES | View on Amazon |
| ACDELCO Fits: all 1961 Marathon engines | E552C | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 1961 Marathon engines | UC12 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 1961 Marathon engines | C500 | 🇺🇸 US | Mounting Hardware Included: No | View on Amazon |
| WALKER PRODUCTS Fits: all 1961 Marathon engines | 9201001 | 🇺🇸 US | Single 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.
12 Ignition Coil parts are listed for the 1961 Checker Marathon, from STANDARD MOTOR PRODUCTS, ACDELCO, B&B and 7 other brands. ACDELCO U505 carries the "Popular" badge. All of them fit every engine offered in the 1961 Marathon.
Economy: 5 parts, from B&B, FVP, HOLSTEIN and 2 other brands. A representative part number is B&B BB6012.
The Standard Replacement section: 7 options from ACDELCO, NGK, WELLS and 3 other brands. ACDELCO U505 is listed in this group.
Ignition Coil Mounting Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 1961 Marathon engines | CB1 | 🇺🇸 US | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 1961 Marathon engines | CB2 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: all 1961 Marathon engines | 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.
3 Ignition Coil Mounting Bracket parts for the 1961 Checker Marathon come from 3 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS. Every part fits both the 3.7L 226cid L6 and the 5.2L 318cid V8.
This group includes STANDARD MOTOR PRODUCTS CB1, UNITED MOTOR PRODUCTS CB2 and WELLS 4C1009.
Spark Plug
Summary: Notes include pre-set gaps of 0.025", 0.028", 0.035" and 0.040". Replacement brands in this table include ACDELCO, CHAMPION and MOTORCRAFT.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 5.2L 318cid V8 | R45S | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Fits: 5.2L 318cid V8 | 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 Fits: 5.2L 318cid V8 | 41833 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 5.2L 318cid V8 | 7 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.7L 226cid L6 | R45XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION Fits: 3.7L 226cid L6 | 555 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| MOTORCRAFT Fits: 3.7L 226cid L6 | SP423X | 🇺🇸 US | Copper Resistor Spark PlugCopper | 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 1961 Checker Marathon come from 3 brands — ACDELCO, CHAMPION and MOTORCRAFT.
The Copper / Nickel section lists 2 options from ACDELCO and CHAMPION — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO R45S 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.
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.
3 further parts sit outside the graded sections, with the same engine-level match.
This group includes ACDELCO R45S, CHAMPION 63 and ACDELCO 41833 and the remaining parts above.
Spark Plug Wire
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.7L 226cid L6 | 3600 | 🇺🇸 US | SetCore Material: Suppression Core | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.7L 226cid L6 | 23600 | 🇺🇸 US | Pro SeriesSet | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 3.7L 226cid L6 | 661 | 🇺🇸 US | SetPermashield-Delcore | View on Amazon |
This table covers the Spark Plug wires.
3 Spark Plug Wire parts are listed for the 1961 Checker Marathon, from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS.
The Premium section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS 3600 is listed in this group.
The Standard Replacement section: 2 options from STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS 23600 is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS 3600, STANDARD MOTOR PRODUCTS 23600 and UNITED MOTOR PRODUCTS 661.
Buying Ignition Parts for a 1961 Checker Marathon
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Some ignition parts fit every engine; others are 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: Ignition Coil and Distributor Rotor .
Frequently Asked Questions
How many ignition parts fit the 1961 Checker Marathon?
Our catalog currently lists 44 ignition parts for the 1961 Checker Marathon across 10 subcategories and 16 brands, covering both the 3.7L 226cid L6 and the 5.2L 318cid V8. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 1961 Checker Marathon engines?
Some do. 16 parts fit every engine; the other 28 are engine-specific. Each row (and the filter at the top) shows which. 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 1961 Checker Marathon?
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 1961 Checker Marathon?
Notes on this page include pre-set gaps of 0.025", 0.028", 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 1961 Checker Marathon 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 1961 Checker Marathon?
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 1961 Checker Marathon
Ignition Parts for Other Checker Marathon Years
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