Champion 502 D21 Copper Plus Series 50 60 40 Industrial / Agriculture Spark Plug

Champion 502 D21 Copper Plus Industrial / Agriculture Spark Plug
Center Electrode / Ground Electrode
- Material: Nickel
- Type: Standard
- Size: 1.9mm
Shell
- Thread Diameter: 18mm
- Thread Pitch: 1.5mm
- Seat Type: Gasket
- Reach: 12.7mm (1/2")
- Hex Size: 7/8" (22mm)
- Terminal Type: Removable Nut
Specifications
- Resistor: No
- Heat Range: 21
- Torque Specs: Cast Iron: 32-38 lb. ft. Aluminum: 28-34 lb. ft.
Manufacturer: Champion
Model Number: D21
Part Number: 502
Also Known As:
- ACDelco C88, 87, 88, Autolite 386, 377, 388
- Champion 9, C15
- John Deere TY6040
- Motorcraft BT10, BT9, B8XM
- NGK AB-6, AB-6 BLYB, AB6, 2910, 92231
- Prestolite 18-10, 18-9, 1810, 189
- Stitt 86
For use with:
- Buick Series 50 (1930)
- Buick Series 60 (1930)
- Buick Series 40 (1930)
- Hotchkiss Gregoire (1950-1954)
- Pontiac Model 6-30 B (1930)
- Nash Standard (1929)
- Hudson Super Six (1922-1926)
- Nash Series 870 (1931)
- Pontiac Model 401 (1931)
- Hudson Model S (1927-1928)
- Hudson Model O (1927-1928)
- Nash Series 660 (1931)
- Nash Series 960 (1932)
- Nash Series 970 (1932)