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Part Number Conversion Chart


All Triumph and BSA part numbers have been superseded from the old Alpha-Numeric to the All Numeric system. The conversion is below:

Examples: Old Listing New Listing
W1406 Brake Shoe 37-1406 Brake Shoe
F13134 Styling Strip 83-3134 Styling Strip
S = 21 - Hardware
W = 37 - Wheels/Brakes
T = 57 - Transmission
D = 60 - Chains/Cables/Hydraulics/Etc.
D1 = 61 - Tools
E = 70 - Engine
E1 = 71 - Engine, Later
F = 82 - Frame
F1 = 83 - Frame, Later
H = 97 - Front Forks

OTHER BSA PARTS begin with prefix 40-, 41-, 42-, 67- , & 68-.
NORTON PARTS commonly use prefix 04- AND 06-.
RENOLD CHAIN, SMITHS INSTRUMENTS, LUCAS ELECTRICAL and
AMAL CARBURETTERS are ordered under the manufacturer part number.

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