1976 Checker Marathon Ignition Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 63 ignition parts for the 1976 Checker Marathon, across 10 part types, covering both the 4.1L 250cid L6 and the 5.7L 350cid V8. Every part shows its brand, manufacturer part number and fitment notes.

On the 1976 Checker Marathon, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 36 parts of the 63 listed are Spark Plug (16 parts), Ignition Coil (12 parts) and Spark Plug Wire (8 parts). The other 7 part types cover the remaining 27 parts.

Distributor

New

Brand Part Number Markets Notes Buy
CARDONE Fits: 4.1L 250cid L6 841692
🇺🇸 US 🇨🇦 CA
Includes Cap & Rotor
Fitment notes — CARDONE 841692
Includes Cap & Rotor
Electronic Distributor
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SKP Fits: 4.1L 250cid L6 SKDIGM34
🇺🇸 US 🇨🇦 CA
Supplied with Cap And Rotor
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WAI GLOBAL Fits: 4.1L 250cid L6 DST1692
🇺🇸 US 🇨🇦 CA
Includes Cap & Rotor
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Remanufactured

Brand Part Number Markets Notes Buy
CARDONE Fits: 4.1L 250cid L6 301692
🇺🇸 US 🇨🇦 CA
Remanufactured
Fitment notes — CARDONE 301692
Remanufactured
Electronic Distributor
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This table covers the distributors that route spark.

Distributor Cap

Economy

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: 4.1L 250cid L6 CAE1095
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 DR446T
🇺🇸 US 🇨🇦 CA
T-Series
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 DR446
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 4.1L 250cid L6 5D1052
🇺🇸 US 🇨🇦 CA
Cap Mounted Coil: No
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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.

Distributor Mounting Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 4.1L 250cid L6 12665
🇺🇸 US 🇨🇦 CA
1-9/16 (in) Outside Diameter
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MAHLE / CLEVITE Fits: 4.1L 250cid L6 B26466
🇺🇸 US 🇨🇦 CA
Paper
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VICTOR REINZ Fits: 4.1L 250cid L6 711449100
🇺🇸 US 🇨🇦 CA
1-9/16 IN O.D.
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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.

Distributor Pickup Coil

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 LX309
🇺🇸 US 🇨🇦 CA
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This table covers the Distributor Pickup coils. Typical signs include a misfire that follows one cylinder, or a snap in damp weather. Swap with a neighbor to confirm, and replace a torn boot with the coil.

Distributor Rotor

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 4.1L 250cid L6 DR319T
🇺🇸 US 🇨🇦 CA
T-Series
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UNITED MOTOR PRODUCTS Popular Fits: 4.1L 250cid L6 DR460
🇺🇸 US 🇨🇦 CA
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BORG-WARNER Fits: 4.1L 250cid L6 D158
🇺🇸 US 🇨🇦 CA
with ELECTRONIC IGNITION
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Standard Replacement

Brand Part Number Markets Notes Buy
LILAND GLOBAL Fits: 4.1L 250cid L6 DR319LG
🇺🇸 US 🇨🇦 CA
Color: BlueBody Material: PBT
Fitment notes — LILAND GLOBAL DR319LG
Color: BlueBody Material: PBTContact Material: Brass
Premium
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LILAND GLOBAL Fits: 4.1L 250cid L6 DR319TLG
🇺🇸 US 🇨🇦 CA
White BrassPremium
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WELLS Fits: 4.1L 250cid L6 4R1065
🇺🇸 US 🇨🇦 CA
Contact Material: Aluminum
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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.

Ignition Coil

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: 4.1L 250cid L6 SKDR35T
🇺🇸 US 🇨🇦 CA
Coil Pack
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B&B Fits: 4.1L 250cid L6 BB5035
🇺🇸 US 🇨🇦 CA
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FAMOUS BRAND Fits: 4.1L 250cid L6 250577005
🇺🇸 US 🇨🇦 CA
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FAMOUS BRAND Fits: 4.1L 250cid L6 EBC1497
🇺🇸 US 🇨🇦 CA
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PRENCO Fits: 4.1L 250cid L6 361120
🇺🇸 US 🇨🇦 CA
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SPECTRA PREMIUM Fits: 4.1L 250cid L6 C631
🇺🇸 US 🇨🇦 CA
Pack
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WAI GLOBAL Fits: 4.1L 250cid L6 CDR31
🇺🇸 US 🇨🇦 CA
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Premium

Brand Part Number Markets Notes Buy
ASTEMO / HITACHI Popular Fits: 4.1L 250cid L6 IGC0100
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
WALKER PRODUCTS Popular Fits: 4.1L 250cid L6 9201003
🇺🇸 US 🇨🇦 CA
Single Coil
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STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 DR35
🇺🇸 US 🇨🇦 CA
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UNITED MOTOR PRODUCTS Fits: 4.1L 250cid L6 C529
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 4.1L 250cid L6 5C1025
🇺🇸 US 🇨🇦 CA
Requires External Resistor: YES
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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.

Ignition Control Module (ICM)

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 4.1L 250cid L6 LX301T
🇺🇸 US 🇨🇦 CA
T-Series
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ULTRA-POWER Fits: 4.1L 250cid L6 LX301
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
WELLS Popular Fits: 4.1L 250cid L6 6H1013
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: No
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DELPHI Fits: 4.1L 250cid L6 DS10071
🇺🇸 US 🇨🇦 CA
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HOLSTEIN Fits: 4.1L 250cid L6 2IGM0036
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 LX301
🇺🇸 US 🇨🇦 CA
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UNITED MOTOR PRODUCTS Fits: 4.1L 250cid L6 M1906
🇺🇸 US 🇨🇦 CA
OE Design
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This table covers the Ignition control modules.

Ignition Conversion Kit

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 LX808
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 4.1L 250cid L6 1A4086
🇺🇸 US 🇨🇦 CA
with Delco Distributor12 Volt
Fitment notes — WELLS 1A4086
with Delco Distributor12 VoltNegative Ground
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This table covers the Ignition Conversion kits.

Spark Plug

Summary: Notes include pre-set gaps of 0.035", 0.040", 0.044" and 0.045". Replacement brands in this table include DENSO, ACDELCO and NGK.

Copper / Nickel

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 4.1L 250cid L6 R45TS
🇺🇸 US 🇨🇦 CA
GM Original EquipmentConventional
Fitment notes — ACDELCO R45TS
GM Original EquipmentConventionalPre-Set Gap: 0.044"
Original Equipment-Recommended Gap: .035
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NGK Popular Fits: 4.1L 250cid L6 6630
🇺🇸 US 🇨🇦 CA
V-PowerPre-Set Gap: 0.040"
Fitment notes — NGK 6630
V-PowerPre-Set Gap: 0.040"
OE-Recommended Gap: 0.045 in
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CHAMPION Fits: 4.1L 250cid L6 18
🇺🇸 US 🇨🇦 CA
Copper PlusPre-Set Gap: 0.045"
Fitment notes — CHAMPION 18
Copper PlusPre-Set Gap: 0.045"
OE TypeOE-Recommended Gap: 0.035"
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DENSO Fits: 4.1L 250cid L6 5020
🇺🇸 US 🇨🇦 CA
U-Groove ConventionalPre-Set Gap: 0.035"
Fitment notes — DENSO 5020
U-Groove ConventionalPre-Set Gap: 0.035"
Gap .035
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MOTORCRAFT Fits: 4.1L 250cid L6 SP425
🇺🇸 US 🇨🇦 CA
Copper
Fitment notes — MOTORCRAFT SP425
Copper
OE Style.035"/0.9mm
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MOTORCRAFT Fits: 4.1L 250cid L6 SP425X
🇺🇸 US 🇨🇦 CA
NickelSpark Plug Approximate Resistor Value: 2,000
Fitment notes — MOTORCRAFT SP425X
NickelSpark Plug Approximate Resistor Value: 2,00012,000
OE Style.035"/0.9mm
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Double Platinum (lasts up to 3x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
ACDELCO Fits: 4.1L 250cid L6 41905
🇺🇸 US 🇨🇦 CA
GM Original EquipmentDouble Platinum
Fitment notes — ACDELCO 41905
GM Original EquipmentDouble PlatinumPre-Set Gap: 0.035"
OE-Recommended Gap: 0.035" (IN)
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CHAMPION Fits: 4.1L 250cid L6 7018
🇺🇸 US 🇨🇦 CA
Double Platinum PowerPre-Set Gap: 0.04"
Fitment notes — CHAMPION 7018
Double Platinum PowerPre-Set Gap: 0.04"
OE-Recommended Gap: 0.035"
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Iridium (lasts up to 4x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
DENSO Fits: 4.1L 250cid L6 5330
🇺🇸 US 🇨🇦 CA
Iridium PowerPre-Set Gap: 0.044"
Fitment notes — DENSO 5330
Iridium PowerPre-Set Gap: 0.044"
Gap .044
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DENSO Fits: 4.1L 250cid L6 4715
🇺🇸 US 🇨🇦 CA
Iridium TTPre-Set Gap: 0.040"
Fitment notes — DENSO 4715
Iridium TTPre-Set Gap: 0.040"
Gap .040
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NGK Fits: 4.1L 250cid L6 7401
🇺🇸 US 🇨🇦 CA
Iridium IXPre-Set Gap: 0.040"
Fitment notes — NGK 7401
Iridium IXPre-Set Gap: 0.040"
OE-Recommended Gap: 0.045 in
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SKP Fits: 4.1L 250cid L6 SP1010
🇺🇸 US 🇨🇦 CA
Tapered Ground Electrode with Platinum Chip
Fitment notes — SKP SP1010
Tapered Ground Electrode with Platinum Chip
Gap: .035
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Platinum (lasts up to 2x longer than Copper / Nickel)

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 4.1L 250cid L6 2
🇺🇸 US 🇨🇦 CA
GoldRapidfire
Fitment notes — ACDELCO 2
GoldRapidfireCore Nose Length: 0.812 InPre-Set Gap: 0.045"
OE-Recommended Gap: 0.035" (IN)
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NGK Popular Fits: 4.1L 250cid L6 2869
🇺🇸 US 🇨🇦 CA
G-PowerPre-Set Gap: 0.040"
Fitment notes — NGK 2869
G-PowerPre-Set Gap: 0.040"
OE-Recommended Gap: 0.045 in
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CHAMPION Fits: 4.1L 250cid L6 3018
🇺🇸 US 🇨🇦 CA
Platinum PowerPre-Set Gap: 0.04"
Fitment notes — CHAMPION 3018
Platinum PowerPre-Set Gap: 0.04"
OE-Recommended Gap: 0.035"
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DENSO Fits: 4.1L 250cid L6 4509
🇺🇸 US 🇨🇦 CA
Platinum TTPre-Set Gap: 0.040"
Fitment notes — DENSO 4509
Platinum TTPre-Set Gap: 0.040"
Gap .040
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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.

Spark Plug Wire

Economy

Brand Part Number Markets Notes Buy
B&B Fits: 4.1L 250cid L6 S648461
🇺🇸 US 🇨🇦 CA
Suppressor Wire Set
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FAMOUS BRAND Fits: 4.1L 250cid L6 356142
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — FAMOUS BRAND 356142
Set
HEI Ignition
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STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 2935
🇺🇸 US 🇨🇦 CA
SetFederal Wire
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Premium

Brand Part Number Markets Notes Buy
NGK Popular Fits: 4.1L 250cid L6 51363
🇺🇸 US 🇨🇦 CA
Set
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STANDARD MOTOR PRODUCTS Fits: 4.1L 250cid L6 6603
🇺🇸 US 🇨🇦 CA
SetStandard® Premium
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 4.1L 250cid L6 26603
🇺🇸 US 🇨🇦 CA
Pro SeriesSet
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B&B Fits: 4.1L 250cid L6 M648461
🇺🇸 US 🇨🇦 CA
Platinum Class Laser Mag
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WALKER PRODUCTS Fits: 4.1L 250cid L6 9241509
🇺🇸 US 🇨🇦 CA
Direct FitSet
Fitment notes — WALKER PRODUCTS 9241509
Direct FitSetSuppression Core
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This table covers the Spark Plug wires.

Buying Ignition Parts for a 1976 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. 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 1976 Checker Marathon?

Our catalog currently lists 63 ignition parts for the 1976 Checker Marathon across 10 subcategories and 25 brands, covering both the 4.1L 250cid L6 and the 5.7L 350cid V8. Each part is matched to the engine(s) it fits.

Do ignition parts differ between 1976 Checker Marathon 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 1976 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 1976 Checker Marathon?

Notes on this page include pre-set gaps of 0.035", 0.040", 0.044" and 0.045". 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 1976 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 1976 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 1976 Checker Marathon

Ignition Parts for Other Checker Marathon Years

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