Ford Country Squire Spark Plug Replacement

Gap 0.035in; Plug Type RF9YC

Gap 0.044in OE Type ; Plug Type RV12YC

Gap 0.044in OE Type ; Plug Type RV15YC4

Gap 0.050in OE Type ; Plug Type RS14LC

Gap 0.035in OE Type ; Plug Type RF11YC

Gap 0.027 O.E. Recommended Standard Plug

Gap 0.044 Resistor Plug with Patented U-Groove Design

Gap 0.030in; Plug Type RH10C

Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.030" OE Equivalent Design

Gap 0.035in; Plug Type RH18Y

Gap 0.034" OE Equivalent Design

Gap 0.044" OE Equivalent Design

Gap 0.035 O.E. Recommended Standard Plug with Patented U-Groove Design

Gap 0.050" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.050in; Plug Type RS14ZPYC5

.050 Gap OE half thread design replaced by full thread design Use until inventory is depleted

Gap 0.044in; Plug Type RV17PMC4

Obsolete; OE half thread design replaced by full thread design .050"/1.3mm

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

OE Style; Auto

Gap 0.050"

Gap 0.044"

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap: .044 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

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.044in; Plug Type RV17PMP4

Gap 0.050in; Plug Type RS14ZPYPB

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap .035 (in); Auto

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.044"

Gap 0.034"

Gap 0.050"

Gap 0.050in; Plug Type RS14WLPB5

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)

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)

Gap .035 (in)

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap

Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap Available While Supplies Last

Single; Plug Type 16IR5Y; [Available While Supplies Last];0.035 in. Plug Gap

Standard; Shorty Plug For Headers; 4 Pack;0.044 in. Plug Gap

14mm Thread; .460 in. Reach; Heat Range 6; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 4 Pack;0.030 in. Plug Gap

14mm Thread; .460 in. Reach; Heat Range 5; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 4 Pack;0.035 in. Plug Gap

14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0576S-4]; 8 Pack;0.040 in. Plug Gap

Stock Heat Range; 0.032 in. Gap; 5/8 in. Hex Size; .460 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 8 Pack Of PN[0576];0.040 in. Plug Gap

14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0574S-4]; 8 Pack;0.035 in. Plug Gap