CAT C7/C9 Injector Solenoid Coil – 222-5959

The SO02 solenoid coil fits Caterpillar C7 and C9 HEUI injectors, including the injector family sold as 222-5959 / 10R-4761. These engines are common in medium-duty trucks, buses, RVs and CAT equipment.

When to replace the coil

• Injector solenoid circuit or cylinder cut-out codes
• Hard start, rough idle or misfire traced to one injector
• Coil out of spec on the bench during a C7/C9 injector rebuild

Compatible engines

• Caterpillar C7 (HEUI)
• Caterpillar C9 (HEUI)

Fits injector part numbers

• 222-5959
• 10R-4761

Details

• Fits: Caterpillar
• Application: CAT C7 / C9 HEUI
• Masso Diesel reference: SO02
• Warranty: 12-month warranty against manufacturing defects.

Fitment Check

Not sure this is the right part for your engine? Send us the part number stamped on your old injector or pump and we will confirm the match before you order. Volume pricing is available for injector rebuild shops, repair shops and fleets — contact us for a quote.

Masso Diesel — Injection · Repair · Parts Shop. 401 Hwy 83, Suite 160, McAllen, TX 78501 · (956) 226-1887