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1981 Mercury Grand Marquis

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Displaying 1 to 25 (of 28 products)
On Sale:

$3.05

Avail:
124 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV U-Groove Conventional
Gap 0.060
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle
On Sale:

$5.88

Avail:
1 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Platinum
Gap .050 (in)
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Platinum
Gap .050 (in)

8 Per Vehicle
On Sale:

$4.22

Avail:
81 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Platinum TT
Gap 0.040
Platinum TT
Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Platinum TT
Gap 0.040
Platinum TT
Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

8 Per Vehicle
On Sale:

$5.17

Avail:
291 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Gold-RAPIDFIRE
Gap 0.050 (in)
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Gold-RAPIDFIRE
Gap 0.050 (in)

8 Per Vehicle
On Sale:

$2.88

Avail:
441 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Copper Plus
Plug Type RV17YC
Gap .050
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Copper Plus
Plug Type RV17YC
Gap .050

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
.045 GAP
PLUG TYPE RV17YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV .045 GAP
PLUG TYPE RV17YC
COPPER PLUS
Part Qualifier: Resistor Copper Plug
8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Copper Resistor
OE Style
Gap .050 (in)
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Copper Resistor
OE Style
Gap .050 (in)

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Copper Resistor
Bulk Pack
OE Style
Gap .050 (in)
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Copper Resistor
Bulk Pack
OE Style
Gap .050 (in)

8 Per Vehicle
On Sale:

$3.98

Avail:
192 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Platinum Power
Plug Type RV17PMC4
Gap .050
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Platinum Power
Plug Type RV17PMC4
Gap .050

8 Per Vehicle
On Sale:

$4.07

Avail:
3 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
G-Power Spark Plug
Gap 0.050
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV G-Power Spark Plug
Gap 0.050

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Platinum Plus
Gap 0.050 in
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Platinum Plus
Gap 0.050 in

8 Per Vehicle
On Sale:

$7.02

Avail:
610 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
GM Original Equipment-Double Platinum
Gap 0.050 (in)
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV GM Original Equipment-Double Platinum
Gap 0.050 (in)

8 Per Vehicle
On Sale:

$8.16

Avail:
95 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Iridium TT
Gap 0.040
Iridium TT
Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Iridium TT
Gap 0.040
Iridium TT
Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

8 Per Vehicle
On Sale:

$8.16

Avail:
53 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Iridium TT
Gap 0.040
Iridium TT
Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV Iridium TT
Gap 0.040
Iridium TT
Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

8 Per Vehicle
On Sale:

$7.36

Avail:
111 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle
On Sale:

$7.36

Avail:
74 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV Iridium Power
Gap 0.044
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

8 Per Vehicle
On Sale:

$5.09

Avail:
106 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
OE Fine Wire Platinum
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV OE Fine Wire Platinum
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset

8 Per Vehicle
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
OE Fine Wire Platinum
For City Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV OE Fine Wire Platinum
For City Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset

8 Per Vehicle
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
OE Fine Wire Platinum
For Sustained High Speed Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV OE Fine Wire Platinum
For Sustained High Speed Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset

8 Per Vehicle
On Sale:

$3.19

Avail:
73 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
V-Power Spark Plug
Gap 0.050
OE Equivalent Design
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV V-Power Spark Plug
Gap 0.050
OE Equivalent Design

8 Per Vehicle
On Sale:

$6.66

Avail:
31 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Double Platinum Power
Plug Type RV17PMP4
Gap .050
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Double Platinum Power
Plug Type RV17PMP4
Gap .050

8 Per Vehicle
On Sale:

$7.53

Avail:
27 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Iridium IX Spark Plug
Gap 0.050
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Iridium IX Spark Plug
Gap 0.050

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Nickel
Original Center Electrode Material is Copper/Nickel
Gap 0.05 in
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Nickel
Original Center Electrode Material is Copper/Nickel
Gap 0.05 in

8 Per Vehicle
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Nickel
For City Driving
Original Center Electrode Material is Copper/Nickel
Gap 0.05 in
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV Nickel
For City Driving
Original Center Electrode Material is Copper/Nickel
Gap 0.05 in

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Nickel
For Sustained High Speed Driving
Original Center Electrode Material is Copper/Nickel
Gap 0.054 in
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV Nickel
For Sustained High Speed Driving
Original Center Electrode Material is Copper/Nickel
Gap 0.054 in

8 Per Vehicle
On Sale:

$8.20

Avail:
275 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
OE Fine Wire Double Iridium
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV,
4.2L V8 Gas OHV OE Fine Wire Double Iridium
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset

8 Per Vehicle
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
OE Fine Wire Double Iridium
For City Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV OE Fine Wire Double Iridium
For City Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset

8 Per Vehicle
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV
 
8
 
OE Fine Wire Double Iridium
For Sustained High Speed Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV OE Fine Wire Double Iridium
For Sustained High Speed Driving
Original Center Electrode Material is Copper/Nickel
Do Not Gap, Gap is Preset

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV
 
8
 
Double Platinum
Gap .050 (in)
 
1981 Mercury Grand Marquis equipped with
5.8L V8 Gas OHV,
5.0L V8 Gas OHV,
4.2L V8 Gas OHV Double Platinum
Gap .050 (in)

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1981 Mercury Grand Marquis equipped with
4.2L V8 Gas OHV
 
8
 
Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
VIN: D, GAS, CARB, Natural
 
1981 Mercury Grand Marquis equipped with
4.2L V8 Gas OHV Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
VIN: D, GAS, CARB, Natural
8 Per Vehicle
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV
 
8
 
Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
VIN: F, GAS, CARB, Natural
 
1981 Mercury Grand Marquis equipped with
5.0L V8 Gas OHV Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
VIN: F, GAS, CARB, Natural
8 Per Vehicle
Displaying 1 to 25 (of 28 products)