1956 GMC M340 Spark Plug
Browse our online catalogue to find original replacement Spark Plugs specifically designed to fit a 1956 GMC M340.

1956 GMC M340 Spark Plug
$3.19
10+ In Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 1 Hour Saturday Mar. 28th
Pick-Up: Ready in 1 Hour Saturday Mar. 28th
Required Per Vehicle: 8
Fits: 1956 GMC M340
Equipped With:
Engine Base: 5.2L 5179cc 316ci V8 (3.94x3.25; 100.0x82.6);
Engine Base: 5.2L 5179cc 316ci V8 (3.94x3.25; 100.0x82.6);
Vehicle Fitment Notes:
Non-Resistor Plug OE Style .035 Gap
Non-Resistor Plug OE Style .035 Gap

1956 GMC M340 Spark Plug
$3.46
In Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 1 Hour Saturday Mar. 28th
Pick-Up: Ready in 1 Hour Saturday Mar. 28th
Required Per Vehicle: 8
Fits: 1956 GMC M340
Equipped With:
Engine Base: 5.2L 5179cc 316ci V8 (3.94x3.25; 100.0x82.6);
Engine Base: 5.2L 5179cc 316ci V8 (3.94x3.25; 100.0x82.6);
Vehicle Fitment Notes:
Resistor Plug .035 Gap
Resistor Plug .035 Gap

1956 GMC M340 Spark Plug
$4.35
Limited Stock
Condition: New
Ships: Monday Mar. 30th
Pick-Up: Ready in 2-4 Hours Saturday Mar. 28th
Pick-Up: Ready in 2-4 Hours Saturday Mar. 28th
Required Per Vehicle: 8
Fits: 1956 GMC M340
Equipped With:
Engine Base: 5.3L 5310cc 324ci V8 (3.88x3.44; 98.5x87.3);
Engine Base: 5.3L 5310cc 324ci V8 (3.88x3.44; 98.5x87.3);
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap
1956 GMC M340 Spark Plug
$2.93
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 1956 GMC M340
Equipped With:
Engine Base: 5.2L 5179cc 316ci V8 (3.94x3.25; 100.0x82.6);
Engine Base: 5.2L 5179cc 316ci V8 (3.94x3.25; 100.0x82.6);
Vehicle Fitment Notes:
Non-Resistor Plug OE Style .035 Gap
Non-Resistor Plug OE Style .035 Gap