These Russell copper crush washers seal 5/8in-18 male fittings against Edelbrock, Carter and CV mechanical fuel pumps. The soft copper deforms as it is torqued to create a leak-free seal.
- Type: copper crush washers
- Fits: 5/8in-18 male fittings
- Application: Edelbrock, Carter and CV fuel pumps
- Material: copper
- Part number: 640990
FAQ
What are these washers for?
They seal 5/8in-18 male fittings against the fuel pump body.
Which fuel pumps do they fit?
Edelbrock, Carter and CV fuel pumps.
What are they made of?
Copper, which crushes to form a leak-free seal.
Are they reusable?
Copper crush washers are best replaced when a fitting is removed and reinstalled.

