Mercury Zephyr Spark Plug Replacement

; Gap 0.044 in

Gap 0.035in OE Type ; Plug Type RS14YC

Gap 0.050in OE Type ; Plug Type RV17YC

Gap 0.044in OE Type ; Plug Type RS14LC

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

Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.060 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.050" OE Equivalent Design

Gap 0.044" OE Equivalent Design

Gap 0.034" OE Equivalent Design

Gap 0.050" OE Equivalent Design

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

Gap 0.035in; Plug Type RS10PYC

Gap 0.044in; Plug Type RS14ZPYC5

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

Gap 0.050in; Plug Type RV17PMC4

Obsolete; OE half thread design replaced by full thread design .044"/1.1mm

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

OE Style; Auto

Gap 0.035in; Plug Type RS14PYPB

Gap 0.034"

Gap 0.050"

Gap 0.044"

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

California; Gap: .060 Enhanced Tapered Ground Electrode w/ Platinum Chip

Except California; Gap: .050 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 0.050in; Plug Type RV17PMP4

Gap 0.044in; Plug Type RS14ZPYPB

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

Gap .050 (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 0.040 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.050"

Gap 0.050"

Gap 0.034"

Gap 0.044"

Gap 0.035in; Plug Type RS14WYPB5

Gap 0.044in; 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 .050 (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

Gap 0.034"

14mm Thread; .460 in. Reach; Heat Range 6; Each;0.050 in. Plug Gap

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

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

14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0576S-4]; 8 Pack;0.050 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];0.050 in. Plug Gap