Gap 0.054in; Plug Type RS9YC
Gap 0.054"
Gap 0.054in; Plug Type RS10PYC
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.054"
Gap: .054/1.4mm Enhanced Tapered Ground Electrode w/ Platinum Chip
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
with OE Brown Coil Boots Cam Cover Date After 10/9/2007 Match to Original with 12mm Diameter Threads Below Seat Gap 0.044in OE Type ; Plug Type RET9ZPMPB
Gap 0.054in; Plug Type RS12PYPB5
New engine style with brown coil boots only (NGK N/A for old engine design with black coil boots) Gap 0.044"
Gap 0.054in; Plug Type RS8WYPB5
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
New engine style with brown coil boots only (NGK N/A for old engine design with black coil boots) Gap 0.044"
with OE Brown Coil Boots Cam Cover Date After 10/9/2007 Match to Original with 12mm Diameter Threads Below Seat Gap 0.044in ; Plug Type RET8ZWYPB
with Brown Connector Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.054"
w/ Black Ignition Coil Boot; Optional Design; Do Not Gap, is Preset 360- Laser-Welded Iridium Tip Center Electrode; Solid Inconel Nickel Bridge Ground Electrode
Gap 0.044 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap
Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
w/ Black Ignition Coil Boot; Do Not Gap, is Preset 360- Laser-Welded Iridium Tip Center Electrode; Solid Inconel Nickel Bridge Ground Electrode
Gap 0.054" OE Equivalent Design 60,000 mi OE Mfr Recommended Service Interval-Severe Service, 100,000 mi OE Mfr Recommended Service Interval-Normal Service
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap 0.052" OE Equivalent Design* 60,000 mi (Severe) / 90,000 mi (Normal) OE Mfr Recommended Service Interval
Gap 0.052"
Gap 0.054"
Gap 0.054"
Gap 0.044in OE Type ; Plug Type 7989 Enhanced over OE Design; One-piece shell; Uses standard 5/8in hex plug socket
w/ Brown Coil Boots
w/ Brown Coil Boots
New engine style with brown coil boots only (NGK N/A for old engine design with black coil boots) Gap 0.044" OE Equivalent Design* 60,000 mi OE Mfr Recommended Service Interval-Severe Service, 100,000 mi OE Mfr Recommended Service Interval-Normal Service
Browse our selection of quality spark plug parts designed specifically for your Ford F-550 Super Duty. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.