Spark Plug Wrench
Marking: "Hazet" (15mm long)
Marking Direction:
Length-wise, centered on shaft
Length: 24cm (239.3mm measured)
Weight **according to 1954 Catalog, these weighed 300gm
Decal: Hazet decal
Finish: Satin Silver
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Tommy Bar
Length: 12cm
Finish: Satin Silver?
note: "U" shaped underline in this example
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photo courtesy of Victor Ingram
VINTAGE HAZET CATALOG c.1954
Note: 763 Spark plug wrench.
"für Porschewagen."
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NOTE Weight **according to 1954 Catalog, these weighed 300gm
Bosch W225T1
Type 1300, 1600 (normal)
Type 1300 S (Cold Season use)
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Bosch W240T1
Type 1300 S, 1600 S
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Page updated 1/2023
Date codes for Spark plugs in this section (but anything older would work as well):
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I = 1953
J = 1954
K = 1955
L = 1956
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From October 1955 Porsche Special Tool Catalog​
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Note: See the relevant service manual or driver's manual for your car to determine which one is correct.
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First reference 1956 Owners Manual (Date unknown), for 1300, 1300 S, 1600, 1600 S engines:
