1975 Checker Marathon Ignition Parts

This table covers the distributors that route spark. Read more

9 Distributor parts are listed for the 1975 Checker Marathon, from CARDONE, SKP, WAI GLOBAL and 1 other brand. SKP SKDIGM08 carries the "Popular" badge.

In the New grade, SKP, CARDONE, WAI GLOBAL and 1 other brand supply 7 parts: brand-new units rather than rebuilt ones. A representative part number is SKP SKDIGM08.

In the Remanufactured grade, CARDONE supplies 2 parts: factory-rebuilt units with new wear components. A representative part number is CARDONE 301692.

Listed part numbers: SKP SKDIGM08, CARDONE 841692 and CARDONE 841895, plus the other parts above.

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

18 Distributor Cap parts are listed for the 1975 Checker Marathon, from WELLS, LILAND GLOBAL, STANDARD MOTOR PRODUCTS and 4 other brands. ACDELCO D336X carries the "Popular" badge.

In the Economy grade, FAMOUS BRAND and STANDARD MOTOR PRODUCTS supply 4 parts: the catalog's value-priced group. A representative part number is FAMOUS BRAND CAE1095.

The Premium section lists 5 options from LILAND GLOBAL, WELLS and UNITED MOTOR PRODUCTS — a step above OE specification in materials, tolerances or warranty terms. LILAND GLOBAL DR450YBLG is listed in this group.

The Standard Replacement section lists 9 options from WELLS, ACDELCO, LILAND GLOBAL and 2 other brands — built to original-equipment specification. ACDELCO D336X is listed in this group.

This table covers the Distributor Cap covers. Read more

4 Distributor Cap Cover parts for the 1975 Checker Marathon come from 3 brands — WELLS, STANDARD MOTOR PRODUCTS and ACDELCO.

The Economy section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS DR443T is listed in this group.

Standard Replacement: 3 parts, from WELLS and ACDELCO. A representative part number is ACDELCO 1875960X.

This group includes STANDARD MOTOR PRODUCTS DR443T, ACDELCO 1875960X and WELLS 4D1000A and the remaining parts above.

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. Read more

5 Distributor Mounting Gasket parts are listed for the 1975 Checker Marathon, from VICTOR REINZ, APEX, FEL-PRO and 1 other brand.

Part numbers include APEX ADM1402, FEL-PRO 12665 and MAHLE / CLEVITE B26466, among others listed above.

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. Read more

3 Distributor Pickup Coil parts for the 1975 Checker Marathon come from STANDARD MOTOR PRODUCTS.

The Economy section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS LX302T is listed in this group.

Standard Replacement: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS LX302.

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

Listed part numbers: STANDARD MOTOR PRODUCTS LX302T, STANDARD MOTOR PRODUCTS LX302 and STANDARD MOTOR PRODUCTS LX309.

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

14 Distributor Rotor parts are listed for the 1975 Checker Marathon, from WELLS, LILAND GLOBAL, STANDARD MOTOR PRODUCTS and 4 other brands. STANDARD MOTOR PRODUCTS DR319T carries the "Popular" badge.

Economy: 5 parts, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and BORG-WARNER. A representative part number is STANDARD MOTOR PRODUCTS DR319T.

The Premium section: 1 option from WELLS. WELLS 4R1064A is listed in this group.

The Standard Replacement section: 7 options from ACDELCO, LILAND GLOBAL, WELLS and 1 other brand. ACDELCO D468 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

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

21 Ignition Coil parts for the 1975 Checker Marathon come from 14 brands — STANDARD MOTOR PRODUCTS, SKP, FAMOUS BRAND and 11 other brands. The "Popular" part is SKP SKDR35T. 3 parts fit every engine; the other 18 are engine-specific.

The Economy section: 12 options from SKP, FAMOUS BRAND, SPECTRA PREMIUM and 6 other brands. SKP SKDR35T is listed in this group.

Premium: 2 parts, from ASTEMO / HITACHI and STANDARD MOTOR PRODUCTS. A representative part number is ASTEMO / HITACHI IGC0100.

Standard Replacement: 7 parts, from WELLS, UNITED MOTOR PRODUCTS, WALKER PRODUCTS and 2 other brands. A representative part number is WALKER PRODUCTS 9201003.

This table covers the Ignition control modules. Read more

9 Ignition Control Module (ICM) parts for the 1975 Checker Marathon come from 7 brands — STANDARD MOTOR PRODUCTS, WAI GLOBAL, ULTRA-POWER and 4 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS LX301T. 6 parts fit every engine; the other 3 are engine-specific.

The Economy section: 2 options from STANDARD MOTOR PRODUCTS and ULTRA-POWER. STANDARD MOTOR PRODUCTS LX301T is listed in this group.

Standard Replacement: 7 parts, from WAI GLOBAL, UNITED MOTOR PRODUCTS, WELLS and 3 other brands. A representative part number is UNITED MOTOR PRODUCTS M1906.

Listed part numbers: STANDARD MOTOR PRODUCTS LX301T, ULTRA-POWER LX301 and UNITED MOTOR PRODUCTS M1906, plus the other parts above.

This table covers the Ignition Conversion kits. Read more

2 Ignition Conversion Kit parts are listed for the 1975 Checker Marathon, from STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: STANDARD MOTOR PRODUCTS LX808 and WELLS 1A4086.

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

18 Spark Plug parts are listed for the 1975 Checker Marathon, from DENSO, ACDELCO, NGK and 3 other brands. NGK 6630 carries the "Popular" badge. 7 parts fit every engine; the other 11 are engine-specific.

In the Copper / Nickel grade, ACDELCO, AUTOLITE, DENSO and 2 other brands supply 8 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is NGK 6630.

In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO and CHAMPION supply 2 parts: 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 41905.

The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 3 options from DENSO and NGK — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. DENSO 5330 is listed in this group.

In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, ACDELCO, NGK, BOSCH and 2 other brands supply 5 parts: 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 2.

This table covers the Spark Plug wires. Read more

18 Spark Plug Wire parts for the 1975 Checker Marathon come from 7 brands — STANDARD MOTOR PRODUCTS, B&B, NGK and 4 other brands. The "Popular" part is NGK 51363.

The Economy section: 5 options from B&B, STANDARD MOTOR PRODUCTS and FAMOUS BRAND. B&B S648461 is listed in this group.

Premium: 5 parts, from NGK, STANDARD MOTOR PRODUCTS and DENSO. A representative part number is NGK 51363.

Standard Replacement: 8 parts, from ACDELCO, STANDARD MOTOR PRODUCTS, B&B and 1 other brand. A representative part number is ACDELCO 9628M.