Gap 0.050in; Plug Type RS12YC
Gap 0.060 Resistor Plug with Patented U-Groove Design
Gap 0.048"
Gap 0.054in; Plug Type RS10PYC
Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.050in; Plug Type RS10PYC4
Gap 0.048" OE Equivalent Design* 30,000 mi OE Mfr Recommended Service Interval
Gap 0.050in; Plug Type RE10PMC5
Gap 0.054"
Gap 0.048"
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap: .054/1.4mm Enhanced Tapered Ground Electrode w/ Platinum Chip
Gap: .050/1.3mm 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 Iridium Do Not Gap, Gap is Preset
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.050in OE Type ; Plug Type RES11PYP5
Gap 0.050in OE Type ; Plug Type RS12PYPB5
Gap 0.052"
Gap 0.050in; Plug Type RS12WYPB4
Original Center Electrode and Ground 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
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Gap 0.040 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gap 0.050in; Plug Type RE10WYPB5
Gap 0.052"
Gap 0.054"
Gap 0.048"
Gap .050 (in)
Gap .054 (in)
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 0.052"
Gap 0.054" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval
Gap 0.048"
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 0.052"
Gap 0.054"
Gap 0.054"
Gap 0.052" OE Equivalent Design* 100,000 mi OE Mfr Recommended Service Interval
Single; Plug Type 5IR5Y; 14 mm. Thread; 0.9840 Reach
Browse our selection of quality spark plug parts designed specifically for your Mercury Mariner. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Convenience · Hybrid · Luxury · Premier
Sport Utility
L4 2.3L · L4 2.5L · V6 3.0L
Automatic · Automatic CVT