Anyone seen a sump plug crush washer like this? Aluminum maybe? | BMW K1600 Forum
10pcs 22mm x 16mm x 2mm Flat Ring Copper Crush Washer Sealing Gasket Fastener - Walmart.com
Where to order copper crush washers by size?| Grassroots Motorsports forum
Aluminum Crush Washers - 10 Pack - 10mm
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Seals
5/8"-18 Male Fitting Copper Crush Washers For Edelbrock, Carter & CV Fuel Pumps - Edelbrock, LLC.
Crush Washer: New vs Used | GL1800Riders Forums
Re-using old crush washer | BimmerFest BMW Forum
Source Copper Flat Ring Oil Drain Plug Crush Washer Gaskets Thick 1mm Various Sizes on m.alibaba.com
Aluminum Vs Copper Crush Washers | Car Basics Daily