Lincoln Navigator Spark Plug Replacement

Gap 0.054in; Plug Type RS12YC

Gap 0.060 Resistor Plug with Patented U-Groove Design

Gap 0.054"

Gap 0.054in OE Type ; Plug Type RS10PYC4

Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap 0.054"

Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap: .054/1.4mm Enhanced Tapered Ground Electrode w/ Platinum Chip

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

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

Gap: .032/0.8mm Enhanced Tapered Ground Electrode w/ Platinum Chip

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 0.032in; Plug Type RES8WYPB3

Gap 0.032in; Plug Type RES9PYP4

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

Gap 0.032"

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 RS12WYPB4

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

Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap .030 (in)

with Brown Connector Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap 0.032"

Gap 0.054"

Do Not Gap, is Preset 360- Laser-Welded Iridium Tip Center Electrode; Solid Inconel Nickel Bridge Ground Electrode

Gap .054 (in)

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap 0.044 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)

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)

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap 0.054"

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

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 0.032" OE Equivalent Design* 60,000 mi (Severe) / 100,000 mi (Normal) OE Mfr Recommended Service Interval

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

OE Style

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

Gap 0.032" OE Equivalent Design* 100,000 mi OE Mfr Recommended Service Interval

Gap 0.054"

Gap 0.032"

Gap 0.054"

Gap 0.032" OE Equivalent Design* 100,000 mi OE Mfr Recommended Service Interval

Gap 0.044in OE Type ; Plug Type 7989 Enhanced over OE Design; One-piece shell; Uses standard 5/8in hex plug socket

Production: 10/09/2007-, w/ Brown Coil Boots

Production: 10/09/2007-, 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

14mm Thread; .708 in. Reach; Heat Range 6; 4 Pack;0.054 in. Plug Gap

Sell Out and Reorder LTR6GI-8 Stock # 93594; Gap 0.032" OE Equivalent Design* 100,000 mi OE Mfr Recommended Service Interval

Stock Heat Range; 0.030 in. Gap; 5/8 in. Hex Size; 1 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 6 Pack;Set Plug Gap To Manufacturers Recommended Setting

1 Heat Range Colder Than Stock; 0.028 in. Gap; 5/8 in. Hex Size/ 1 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 6 Pack;Set Plug Gap To Manufacturers Recommended Setting 7.2-14.5 lb. ft Torque Specification

14mm Thread; .708 in. Reach; Heat Range 6; 8 Pack;0.054 in. Plug Gap