1973 Dodge Charger Coupe 400 4-barrel V8

Service topics

5

Factory intervals

4

Fitment-scoped

5

Exact references

1

Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

• 01

  Spark plugs

  Sourced interval available

  Applies to: 1973 · United States · Exact 1973 Dodge all-model normal-service schedule, which includes Charger; severe and trailer-tow work is separately identified and not presented as normal service.

  Published interval: 18,000 mi · Mileage-only replacement interval.

  Source: Dodge — 1973 factory chassis service manual, all-model lubrication and maintenance schedule (preserved by MyMopar) · Factory Chassis Service Manual group 0, p. 0-3 — emission-control services · checked 2026-08-24

• 02

  Carburetor air-cleaner element

  Sourced interval available

  Applies to: 1973 · United States · Exact 1973 Dodge all-model normal-service schedule, which includes Charger; severe and trailer-tow work is separately identified and not presented as normal service.

  Published interval: 24 months · Replace every two years; clean annually.

  Source: Dodge — 1973 factory chassis service manual, all-model lubrication and maintenance schedule (preserved by MyMopar) · Factory Chassis Service Manual group 0, p. 0-3 — emission-control services · checked 2026-08-24

• 03

  Brake linings and front wheel bearings

  Sourced interval available

  Applies to: 1973 · United States · Exact 1973 Dodge all-model normal-service schedule, which includes Charger; severe and trailer-tow work is separately identified and not presented as normal service.

  Published interval: 12 months · Inspect annually; inspect brake hose and tubing every second oil change.

  Source: Dodge — 1973 factory chassis service manual, all-model lubrication and maintenance schedule (preserved by MyMopar) · Factory Chassis Service Manual group 0, p. 0-3 — normal-service schedule · checked 2026-08-24

• 04

  Front suspension and steering linkage

  Sourced interval available

  Applies to: 1973 · United States · Exact 1973 Dodge all-model normal-service schedule, which includes Charger; severe and trailer-tow work is separately identified and not presented as normal service.

  Published interval: 36,000 mi / 36 months · Lubricate at the interval that occurs first; inspect seals during each six-month service.

  Source: Dodge — 1973 factory chassis service manual, all-model lubrication and maintenance schedule (preserved by MyMopar) · Factory Chassis Service Manual group 0, pp. 0-3–0-4 — normal-service schedule and six-month service list · checked 2026-08-24

• 05

  Engine oil filter

  Exact reference available

  The order numbers below establish replacement-filter fitment only; they do not establish a service interval. Confirm the installed engine, VIN, build date, and filter dimensions before ordering.

  Applies to: 1973 · United States

  400 cu in high-performance V8, 4-barrel carburetor (260 net hp / 335 lb-ft)

  K&N HP-2004

  K&N publishes HP-2004 for this exact year-and-engine application; confirm VIN, build date, and installed filter dimensions before ordering.

  Applies to: 1973 · 400 cu in high-performance V8, 4-barrel carburetor (260 net hp / 335 lb-ft) · United States · Exact 1973 Charger engine application. Confirm VIN, build date, and installed filter dimensions before ordering.

  Source: K&N Engineering — Dodge Charger replacement-oil-filter application catalog · 1973 Dodge Charger 400 cu in application row — HP-2004 · checked 2026-09-01

  Verified ordering references

  • Service replacementK&N HP-2004

    Qty. 1 · Engine oil filter · catalog-listed

    K&N publishes HP-2004 for this exact year-and-engine application; confirm VIN, build date, and installed filter dimensions before ordering.

    Catalog: K&N Engineering — Dodge Charger replacement-oil-filter application catalog · 1973 Dodge Charger 400 cu in application row — HP-2004 · checked 2026-09-01

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