| Diagram | Fig. 26 — REAR BRAKE · ref 30 |
| Subsystem | brakes |
| Listed in parts books | 1980, 1983 |
COPPER WASHER/SPACER
A copper crush washer/spacer, part number 37-7100.
37-7100 is a copper washer/spacer, the kind used as a sealing washer under a bolt where you need a soft metal crush washer to seat properly. Copper washers like this one deform slightly under torque, which helps them seal against a flat or slightly uneven surface better than a standard steel washer would.
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We don't have detailed catalog history on this particular number, so we can't speak to exact fitment across specific Triumph models or years. If you're matching it against an existing part, bring it in or give us the dimensions and we'll confirm before you order.
Given what we can see, it looks like it may turn up around brake caliper bolts on some applications, but we'd rather you call and confirm than guess wrong on something that seals against a leak.
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