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More Information for BOSCH 7581
 
BOSCH 7581
SUPER
  • Tapered, v-profile nickel chromium ground electrode improves starting in cold weather and increased fuel ignitability
  • Nickel-plated rolled threads provide anti-seize properties and corrosion protection
  • Metal glass fused resistor for maximum interference suppression
  • Angular, five-ribbed insulator design prevents misfire due to current leakage

Spark Plug Type Performance Differences

Alternate/OEM Part Number(s): HR9HCO

Closeout Inventory Warranty Information
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

BOSCH Regular Inventory Warranty Information
Alternators & Starters w/ Part Number Not Ending In "N": 24 months; Alternators & Starters w/ Part Number Ending In "N": Lifetime Warranty for Non-Commercial Passenger Vehicles; Spark Plug Wire Sets: Lifetime; Wiper Products: 30 days; Fuel Pumps Purchased After 10/1/16: Limited Lifetime. Engine Management Parts (like Air Management Sensors, Engine Position Sensors, Gasoline Fuel Injectors, High Pressure Fuel Pumps, Ignition Coils, Pressure Sensors, Temperature Sensors, Throttle Devices) Purchased After 11/15/16: Limited Lifetime. Engine Management Parts Purchased Before 11/15/16, Fuel Pumps Purchased Before 10/1/16, and All Other Product Lines: 12 months.