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1966 GMC Suburban

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Displaying 1 to 25 (of 39 products)
On Sale:

$3.05

Avail:
298 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.8L L6 Gas OHV
 
6
 
U-Groove Conventional
Gap 0.032
O.E. Recommended Resistor Plug with Patented U-Groove Design
 
1966 GMC Suburban equipped with
4.8L L6 Gas OHV U-Groove Conventional
Gap 0.032
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle
On Sale:

$3.49

Avail:
12 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
5.7L V6 Gas OHV
 
6
 
Copper Resistor
OE Style
Gap .030 (in)
 
1966 GMC Suburban equipped with
5.7L V6 Gas OHV Copper Resistor
OE Style
Gap .030 (in)

6 Per Vehicle
1966 GMC Suburban equipped with
4.8L L6 Gas OHV
 
6
 
Copper Resistor
OE Style
Gap .035 (in)
 
1966 GMC Suburban equipped with
4.8L L6 Gas OHV Copper Resistor
OE Style
Gap .035 (in)

6 Per Vehicle
On Sale:

$3.66

Avail:
3 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Copper Resistor
OE Style
Gap .035 (in)
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Copper Resistor
OE Style
Gap .035 (in)

6 Per Vehicle
1966 GMC Suburban equipped with
2.5L L4 Gas OHV
 
4
 
Copper Resistor
OE Style
Gap .035 (in)
 
1966 GMC Suburban equipped with
2.5L L4 Gas OHV Copper Resistor
OE Style
Gap .035 (in)

4 Per Vehicle
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
Copper Resistor
3/4 (in) Reach Spark Plugs
OE Style
Gap .035 (in)
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV Copper Resistor
3/4 (in) Reach Spark Plugs
OE Style
Gap .035 (in)

6 Per Vehicle
On Sale:

$3.66

Avail:
20 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
Copper Resistor
3/8 (in) Reach Spark Plugs
OE Style
Gap .035 (in)
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV Copper Resistor
3/8 (in) Reach Spark Plugs
OE Style
Gap .035 (in)

6 Per Vehicle
On Sale:

$5.88

Avail:
17 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Platinum
Gap .035 (in)
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Platinum
Gap .035 (in)

6 Per Vehicle
1966 GMC Suburban equipped with
2.5L L4 Gas OHV
 
4
 
Platinum
Gap .035 (in)
 
1966 GMC Suburban equipped with
2.5L L4 Gas OHV Platinum
Gap .035 (in)

4 Per Vehicle
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
Platinum
3/4 (in) Reach Spark Plugs
Gap .035 (in)
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV Platinum
3/4 (in) Reach Spark Plugs
Gap .035 (in)

6 Per Vehicle
On Sale:

$28.62

Avail:
15 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
5.7L V6 Gas OHV
 
6
 
Double Platinum Power
Plug Type RN14PYP
3/4 Reach Spark Plugs
Gap .040
Eng: 351E
 
1966 GMC Suburban equipped with
5.7L V6 Gas OHV Double Platinum Power
Plug Type RN14PYP
3/4 Reach Spark Plugs
Gap .040
Eng: 351E

6 Per Vehicle
1966 GMC Suburban equipped with
2.5L L4 Gas OHV
 
4
 
Double Platinum Power
Plug Type RN14PYP
Gap .035
 
1966 GMC Suburban equipped with
2.5L L4 Gas OHV Double Platinum Power
Plug Type RN14PYP
Gap .035

4 Per Vehicle
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Double Platinum Power
Plug Type RN14PYP
Gap .035
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Double Platinum Power
Plug Type RN14PYP
Gap .035

6 Per Vehicle
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
Double Platinum Power
Plug Type RN14PYP
3/4 Reach Spark Plugs
Gap .035
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV Double Platinum Power
Plug Type RN14PYP
3/4 Reach Spark Plugs
Gap .035

6 Per Vehicle
On Sale:

$2.64

Avail:
56 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
U-Groove Conventional
Gap 0.032
O.E. Recommended Resistor Plug with Patented U-Groove Design
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV U-Groove Conventional
Gap 0.032
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle
On Sale:

$4.22

Avail:
72 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Platinum TT
Gap 0.040
Platinum TT
Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Platinum TT
Gap 0.040
Platinum TT
Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

6 Per Vehicle
On Sale:

$4.22

Avail:
5 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.8L L6 Gas OHV
 
6
 
Platinum TT
Gap 0.040
Platinum TT
Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
 
1966 GMC Suburban equipped with
4.8L L6 Gas OHV Platinum TT
Gap 0.040
Platinum TT
Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

6 Per Vehicle
On Sale:

$6.81

Avail:
2 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
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)
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 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)

6 Per Vehicle
On Sale:

$6.81

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.8L L6 Gas OHV
 
6
 
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)
 
1966 GMC Suburban equipped with
4.8L L6 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)

6 Per Vehicle
On Sale:

$2.64

Avail:
12 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
5.7L V6 Gas OHV
 
6
 
Copper Plus
Plug Type RN12YC
3/4 Reach Spark Plugs, Resistor Type
Gap .040
Eng: 351E
 
1966 GMC Suburban equipped with
5.7L V6 Gas OHV Copper Plus
Plug Type RN12YC
3/4 Reach Spark Plugs, Resistor Type
Gap .040
Eng: 351E

6 Per Vehicle
1966 GMC Suburban equipped with
2.5L L4 Gas OHV
 
4
 
Copper Plus
Plug Type RN12YC
Resistor Type
Gap .035
 
1966 GMC Suburban equipped with
2.5L L4 Gas OHV Copper Plus
Plug Type RN12YC
Resistor Type
Gap .035

4 Per Vehicle
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
Copper Plus
Plug Type RN12YC
3/4 Reach Spark Plugs, Resistor Type
Gap .035
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV Copper Plus
Plug Type RN12YC
3/4 Reach Spark Plugs, Resistor Type
Gap .035

6 Per Vehicle
On Sale:

$2.64

Avail:
46 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Copper Plus
Plug Type RN14YC
Gap .035
OE Type
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Copper Plus
Plug Type RN14YC
Gap .035
OE Type

6 Per Vehicle
On Sale:

$5.17

Avail:
51 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
2.5L L4 Gas OHV
 
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 
1966 GMC Suburban equipped with
2.5L L4 Gas OHV Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle
1966 GMC Suburban equipped with
4.8L L6 Gas OHV,
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 
1966 GMC Suburban equipped with
4.8L L6 Gas OHV,
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Gold-RAPIDFIRE
Gap 0.035 (in)

6 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.8L L6 Gas OHV
 
6
 
Professional-Double Platinum
Gap 0.035in
 
1966 GMC Suburban equipped with
4.8L L6 Gas OHV Professional-Double Platinum
Gap 0.035in

6 Per Vehicle
On Sale:

$7.78

Avail:
47 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
Gold-Double Platinum
Gap 0.035 (in)
3/8 (in) Reach Spark Plugs
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV Gold-Double Platinum
Gap 0.035 (in)
3/8 (in) Reach Spark Plugs

6 Per Vehicle
On Sale:

$4.79

Avail:
264 in Stock
Warehouse: US-12
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
Gold-RAPIDFIRE
Gap 0.035 (in)
3/8 (in) Reach Spark Plugs
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV Gold-RAPIDFIRE
Gap 0.035 (in)
3/8 (in) Reach Spark Plugs

6 Per Vehicle
On Sale:

$3.19

Avail:
185 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
V-Power Spark Plug
Gap 0.035
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV V-Power Spark Plug
Gap 0.035

6 Per Vehicle
On Sale:

$4.07

Avail:
21 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
G-Power Spark Plug
Gap 0.035
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV G-Power Spark Plug
Gap 0.035

6 Per Vehicle
On Sale:

$3.19

Avail:
66 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.8L L6 Gas OHV
 
6
 
Standard Spark Plug
Gap 0.035
OE Equivalent Design
 
1966 GMC Suburban equipped with
4.8L L6 Gas OHV Standard Spark Plug
Gap 0.035
OE Equivalent Design

6 Per Vehicle
On Sale:

$2.98

Avail:
211 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Standard Spark Plug
Gap 0.035
OE Equivalent Design
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Standard Spark Plug
Gap 0.035
OE Equivalent Design

6 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L 250Cu. In L6 Gas OHV,
3.8L 230Cu. In L6 Gas OHV
 
6
 
Iridium IX Spark Plug
Gap 0.035
Supersedes to 97382
 
1966 GMC Suburban equipped with
4.1L 250Cu. In L6 Gas OHV,
3.8L 230Cu. In L6 Gas OHV Iridium IX Spark Plug
Gap 0.035
Supersedes to 97382

6 Per Vehicle
On Sale:

$7.53

Avail:
103 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Iridium IX Spark Plug
Gap 0.035
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Iridium IX Spark Plug
Gap 0.035

6 Per Vehicle
On Sale:

$3.04

Avail:
40 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
5.0L V6 Gas OHV
 
6
 
U-Groove Conventional
Gap 0.027
O.E. Recommended Resistor Plug with Patented U-Groove Design
 
1966 GMC Suburban equipped with
5.0L V6 Gas OHV U-Groove Conventional
Gap 0.027
O.E. Recommended Resistor Plug with Patented U-Groove Design

6 Per Vehicle
On Sale:

$8.16

Avail:
93 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV
 
6
 
Iridium TT
Gap 0.040
Iridium TT
Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
 
1966 GMC Suburban equipped with
4.1L L6 Gas OHV,
3.8L L6 Gas OHV Iridium TT
Gap 0.040
Iridium TT
Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

6 Per Vehicle
Displaying 1 to 25 (of 39 products)