Gap 0.044in OE Type ; Plug Type RS10LC
; Gap 0.044 in
.044 Gap OE Style Use until inventory is depleted
From 10/1981 Original Center Electrode Material is Copper/Nickel Gap 0.034 in
Tapered Seat Gap 0.044in OE Type ; Plug Type RC12YC5
Flat Seat Gap 0.044in OE Type ; Plug Type RC14YC
Gap 0.044in OE Type ; Plug Type RS12YC
To 9/81 Gap 0.044" OE Equivalent Design
Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design
To 9/81 Gap 0.044"
H.O. Gap 0.044" OE Equivalent Design
Gap 0.044" OE Equivalent Design
To 09/1981 Original Center Electrode Material is Copper/Nickel Gap 0.044 in
Gap 0.044in; Plug Type RS10PYC4
To 09/1981 Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
H.O. Gap 0.044"
To 9/81 Gap 0.044"
Gap 0.044"
without High Altitude Option Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
From 10/1981 Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
Gap: .044/1.1mm 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
Replaces Original Half Thread Design
Flat Seat Gap 0.044in ; Plug Type RC12PYP
without High Altitude Option Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
From 10/1981 Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
To 09/1981 Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
Tapered Seat Gap 0.044in ; Plug Type RS12PYPB5
Tapered Seat Gap 0.044in ; Plug Type RS12WYPB4
From 10/1981 Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
without High Altitude Option Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
To 09/1981 Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
Flat Seat Gap 0.044in ; Plug Type RC12WYPB4
Gap 0.044 Platinum Plug - Long Life Platinum Plug with Taper Tip & Patented U-Groove Design
To 9/81 Gap 0.044"
Gap 0.044"
H.O. Gap 0.044"
Gap .044 (in)
Replaces Original Half Thread Design
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 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 0.040 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
To 9/81 Gap 0.044"
H.O. Gap 0.044"
H.O. Gap 0.044"
Browse our selection of quality spark plug parts designed specifically for your Mercury LN7. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Grand Sport · RS · Sport
Hatchback
L4 1.6L
Automatic · Manual
