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Soft Copper Crush Washer

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Our soft annealed Copper Crush Washers are ideal for sealing brake unions. Crush washers should be used with large diameter fittings for proper sealing. Our minimum hex size recommendations are shown in the table below.

Sold individually.

Copper Crush Washer Dimensions
ID (Nominal) OD Thickness Minimum Hex Size
5/16" / 8mm 0.435" 3/64" 7/16"
3/8" / 10mm 0.585" 3/64" 9/16"
7/16" 11/16" 1/16" 5/8"
1/2" 11/16" 1/16" 5/8"

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

3241-1/2
Condition: New

Soft Copper Crush Washer, 1/2 inch ID

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

3241-3/8
Condition: New

Soft Copper Crush Washer, 3/8 inch (or 10mm) ID

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

3241-5/16
Condition: New

Soft Copper Crush Washer, 5/16 inch ID

1 to 11: $0.89

12 & up: $0.79

In Stock

3241-7/16
Condition: New

Soft Copper Crush Washer, 7/16 inch ID

1 to 11: $0.89

12 to 149: $0.79

150 to 1999: $0.68

2000 & up: call   

In Stock
 

REVIEW SNAPSHOT®

by PowerReviews
Soft Copper Crush Washer
 
4.6

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Reviewed by 5 customers

Displaying reviews 1-5

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5.0

"Finally found a source for copper crush washers."

By Howard: Lifetime motor head

from Ephrata, Washington

Verified Buyer

Comments about Soft Copper Crush Washer:

Used to seal a Schrader valve in oleo strut up to 1500 psi. Where I have had "O" rings leak in the past I have yet to have a copper crush washer fail. Am happy to have found a source with Pegasus Auto Racing Supply and with their policy of doing small orders.

 
5.0

Hard to find locally

By Unckledonn

from Wood Dale, IL

Verified Buyer

Comments about Soft Copper Crush Washer:

These parts were hard to find locally and shipped quick.All local parts were half as thick as originals and below my standards.

 
4.0

Good Product

By Pete's Auto

from Irwin, Iowa

Verified Buyer

Comments about Soft Copper Crush Washer:

I run an auto repair shop. For the last several years I've had a terrible time with the copper washers leaking that come with rebuilt calipers and new brake hoses (50% leak rate). They just seam too hard. I was searching for a solution with better washers. So far the first eight calipers I've installed with these washers have not leaked. To this point I'm extremely pleased. I think they're a great product! Thank you Pegasus Racing!

 
5.0

Perfect fit

By Mike

from USA

Verified Buyer

Comments about Soft Copper Crush Washer:

The generic copper crush washers I get from my local parts store usually don't work that well. These are perfect for Master Cylinders and Calipers and actually are soft enough to crush and more importantly, they are the exact size and always seal the first time. I stock up on them whenever I purchase from Pegasus.

 
4.0

it was just what the customer wanted

By Dog lover

from New Berlin, Wi

Verified Buyer

Comments about Soft Copper Crush Washer:

was able to buy off your website and come pick up. Easy peezy!

Displaying reviews 1-5

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