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1971 Mercury Marquis

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Displaying 1 to 25 (of 38 products)
On Sale:

$3.44

Avail:
125 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
U-Groove Conventional
Gap 0.035
O.E. Recommended Resistor Plug with Patented U-Groove Design
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV U-Groove Conventional
Gap 0.035
O.E. Recommended Resistor Plug with Patented U-Groove Design

8 Per Vehicle
On Sale:

$3.66

Avail:
8 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Copper Resistor
14 (mm) Thread Size
OE Style
Gap .035 (in)
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Copper Resistor
14 (mm) Thread Size
OE Style
Gap .035 (in)
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
Copper Resistor
OE Style
Gap .035 (in)
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV Copper Resistor
OE Style
Gap .035 (in)

8 Per Vehicle
On Sale:

$3.49

Avail:
19 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Copper Resistor
18 (mm) Thread Size
OE Style
Gap .035 (in)
Eng Ver: Windsor
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Copper Resistor
18 (mm) Thread Size
OE Style
Gap .035 (in)
Eng Ver: Windsor

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
Copper Resistor
OE Style
Gap .035 (in)
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Copper Resistor
OE Style
Gap .035 (in)

8 Per Vehicle
On Sale:

$5.88

Avail:
26 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Platinum
14 (mm) Thread Size
Gap .035 (in)
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Platinum
14 (mm) Thread Size
Gap .035 (in)
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
Platinum
Gap .035 (in)
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV Platinum
Gap .035 (in)

8 Per Vehicle
On Sale:

$5.88

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Platinum
18 (mm) Thread Size
Gap .035 (in)
Eng Ver: Windsor
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Platinum
18 (mm) Thread Size
Gap .035 (in)
Eng Ver: Windsor

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
Platinum
Gap .035 (in)
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Platinum
Gap .035 (in)

8 Per Vehicle
On Sale:

$8.81

Avail:
25 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Double Platinum
14 (mm) Thread Size
Gap .035 (in)
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Double Platinum
14 (mm) Thread Size
Gap .035 (in)
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
Double Platinum
Gap .035 (in)
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV Double Platinum
Gap .035 (in)

8 Per Vehicle
On Sale:

$8.96

Avail:
8 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Double Platinum
18 (mm) Thread Size
Gap .035 (in)
Eng Ver: Windsor
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Double Platinum
18 (mm) Thread Size
Gap .035 (in)
Eng Ver: Windsor

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
Double Platinum
Gap .035 (in)
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Double Platinum
Gap .035 (in)

8 Per Vehicle
On Sale:

$7.17

Avail:
4 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
1
 
High Performance Racing Resistor
14 (mm) Thread Size
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV High Performance Racing Resistor
14 (mm) Thread Size
Eng Ver: Cleveland

1 Per Vehicle
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
1
 
High Performance Racing Resistor
Gap .035 (in)
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV High Performance Racing Resistor
Gap .035 (in)
Eng Ver: Cleveland

1 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
1
 
High Performance Racing Resistor
Gap .035 (in)
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV High Performance Racing Resistor
Gap .035 (in)

1 Per Vehicle
On Sale:

$10.60

Avail:
35 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Iridium XP
14 (mm) Thread Size
Gap .035 (in)
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Iridium XP
14 (mm) Thread Size
Gap .035 (in)
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
Iridium XP
Gap .035 (in)
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV Iridium XP
Gap .035 (in)

8 Per Vehicle
On Sale:

$4.22

Avail:
81 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Platinum TT
Gap 0.040
Platinum TT
Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
 
1971 Mercury Marquis equipped with
5.8L 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:
362 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Gold-RAPIDFIRE
Gap 0.035 (in)
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Gold-RAPIDFIRE
Gap 0.035 (in)
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
Gold-RAPIDFIRE
with 14 (mm) Diameter Threads
Gap 0.035 (in)
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Gold-RAPIDFIRE
with 14 (mm) Diameter Threads
Gap 0.035 (in)

8 Per Vehicle
On Sale:

$5.17

Avail:
213 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV Gold-RAPIDFIRE
Gap 0.035 (in)

8 Per Vehicle
On Sale:

$7.21

Avail:
110 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
Gold-Double Platinum
Gap 0.035 (in)
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV Gold-Double Platinum
Gap 0.035 (in)

8 Per Vehicle
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Gold-Double Platinum
Gap 0.035 (in)
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Gold-Double Platinum
Gap 0.035 (in)
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
Gold-Double Platinum
with 14 (mm) Diameter Threads
Gap 0.035 (in)
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Gold-Double Platinum
with 14 (mm) Diameter Threads
Gap 0.035 (in)

8 Per Vehicle
On Sale:

$3.02

Avail:
54 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Gold-Conventional
Gap .035
18mm
Eng Ver: Windsor
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Gold-Conventional
Gap .035
18mm
Eng Ver: Windsor

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
Gold-Conventional
Gap .035
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Gold-Conventional
Gap .035

8 Per Vehicle
On Sale:

$3.19

Avail:
418 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
V-Power Spark Plug
Gap 0.034
OE Equivalent Design
Eng Ver: Windsor
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV V-Power Spark Plug
Gap 0.034
OE Equivalent Design
Eng Ver: Windsor

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
V-Power Spark Plug
Gap 0.034
OE Equivalent Design
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV V-Power Spark Plug
Gap 0.034
OE Equivalent Design

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EngineFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas
 
351C Eng.
Gap .035
Part # {UR4VX}
Plat.
VIN: H, Natural
 
1971 Mercury Marquis equipped with
5.8L V8 Gas 351C Eng.
Gap .035
Part # {UR4VX}
Plat.
VIN: H, Natural
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
351C Eng.
Gap .035
Part # {UR4VX}
Plat.
VIN: H, 2BBL, Natural
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV 351C Eng.
Gap .035
Part # {UR4VX}
Plat.
VIN: H, 2BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
351C Eng.
Gap .035
Part # {UR4VX}
Plat.
VIN: P, 4BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV 351C Eng.
Gap .035
Part # {UR4VX}
Plat.
VIN: P, 4BBL, Natural
On Sale:

$4.07

Avail:
361 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
G-Power Spark Plug
Gap 0.034
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV G-Power Spark Plug
Gap 0.034
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
G-Power Spark Plug
Gap 0.034
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV G-Power Spark Plug
Gap 0.034

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EngineFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: H, 2BBL, Natural
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: H, 2BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas
 
G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: N, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: N, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: N, 4BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: N, 4BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: P, 4BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: P, 4BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas
 
G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: K, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: K, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: K, 2BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV G-Power
18mm Heads
8 Per Veh
Base, Marquis Brougham
GAP: 0.035
VIN: K, 2BBL, Natural
On Sale:

$3.19

Avail:
106 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
V-Power Spark Plug
Gap 0.034
OE Equivalent Design
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV V-Power Spark Plug
Gap 0.034
OE Equivalent Design
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
V-Power Spark Plug
Gap 0.034
OE Equivalent Design
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV V-Power Spark Plug
Gap 0.034
OE Equivalent Design

8 Per Vehicle
On Sale:

$7.53

Avail:
226 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Iridium IX Spark Plug
Gap 0.034
Eng Ver: Cleveland
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Iridium IX Spark Plug
Gap 0.034
Eng Ver: Cleveland

8 Per Vehicle
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV
 
8
 
Iridium IX Spark Plug
Gap 0.034
 
1971 Mercury Marquis equipped with
6.6L V8 Gas OHV Iridium IX Spark Plug
Gap 0.034

8 Per Vehicle
On Sale:

$7.53

Avail:
101 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
8
 
Iridium IX Spark Plug
Gap 0.034
Eng Ver: Windsor
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Iridium IX Spark Plug
Gap 0.034
Eng Ver: Windsor

8 Per Vehicle
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
8
 
Iridium IX Spark Plug
Gap 0.034
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Iridium IX Spark Plug
Gap 0.034

8 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
6.6L V8 Gas
 
1
 
Platinum Plus Spark Plug
Gap .035
 
1971 Mercury Marquis equipped with
6.6L V8 Gas Platinum Plus Spark Plug
Gap .035
1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EngineFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas
 
Platinum Part
351W
Gap .035
Includes All Models
VIN: H, Natural
 
1971 Mercury Marquis equipped with
5.8L V8 Gas Platinum Part
351W
Gap .035
Includes All Models
VIN: H, Natural
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
Platinum Part
351W
Gap .035
Includes All Models
VIN: H, 2BBL, Natural
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Platinum Part
351W
Gap .035
Includes All Models
VIN: H, 2BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV,
7.0L V8 Gas
 
Platinum Part
351W
Gap .035
Includes All Models
VIN: P, 4BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV,
7.0L V8 Gas Platinum Part
351W
Gap .035
Includes All Models
VIN: P, 4BBL, Natural
Avail:
0 in Stock
 OUT OF STOCK
EngineFit NotesFitment Notes
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV
 
Super Spark Plug
Gap=0.035
VIN: H, 2BBL, Natural
 
1971 Mercury Marquis equipped with
5.8L V8 Gas OHV Super Spark Plug
Gap=0.035
VIN: H, 2BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas
 
Super Spark Plug
Gap=0.035
VIN: K, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas Super Spark Plug
Gap=0.035
VIN: K, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas
 
Super Spark Plug
Gap=0.035
VIN: N, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas Super Spark Plug
Gap=0.035
VIN: N, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
Super Spark Plug
Gap=0.035
VIN: K, 2BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Super Spark Plug
Gap=0.035
VIN: K, 2BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
Super Spark Plug
Gap=0.035
VIN: N, 4BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Super Spark Plug
Gap=0.035
VIN: N, 4BBL, Natural
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV
 
Super Spark Plug
Gap=0.035
VIN: P, 4BBL, Natural
 
1971 Mercury Marquis equipped with
7.0L V8 Gas OHV Super Spark Plug
Gap=0.035
VIN: P, 4BBL, Natural
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1971 Mercury Marquis equipped with
7.0L V8 Gas,
5.8L V8 Gas
 
1
 
Super Plus Spark Plug
Gap .035
 
1971 Mercury Marquis equipped with
7.0L V8 Gas,
5.8L V8 Gas Super Plus Spark Plug
Gap .035
1 Per Vehicle
Displaying 1 to 25 (of 38 products)