Manufacturer | Daystar International |
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Brand | Daystar |
Item Weight | 1.6 ounces |
Product Dimensions | 4.75 x 7.25 x 2.5 inches |
Country of Origin | USA |
Item model number | KU20040BK |
Is Discontinued By Manufacturer | No |
Manufacturer Part Number | KU20040BK |
OEM Part Number | KU20040BK |
Daystar, Universal Firewall Boot, Single, Accommodates 3/8" to 1" Diameter Wire Bundles, fits any vehicle that needs a wire loom, KU20040BK, Made in America , Black
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Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
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Purchase options and add-ons
- Safely and cleanly run wires through firewalls and bulkheads
- Protects wires from sharp edges; prevents wire chaffing and shorts
- Eliminates air/water leaks
- Fits a variety of wire thicknesses and bundles from 3/8 inch to 1 inch; 1-1/4 inch hole required for installation
- Works great for tubing and air lines
Frequently bought together
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Product Description
Daystar's Firewall Boot is the best way to run wires, hoses, and other lines through your vehicle's firewall. Simply drill a 1.25 inch diameter hole in the firewall and install the boot. Run your wires, trim the boot as necessary to one of three different sizes (3/8 inch, 11/16 inch, or 1 inch), and secure the assembly with a zip tie.
Product information
Technical Details
Additional Information
ASIN | B004K2285E |
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Customer Reviews |
4.6 out of 5 stars |
Best Sellers Rank | #345,774 in Automotive (See Top 100 in Automotive) #4 in Automotive Performance Shock Boots |
Date First Available | January 20, 2011 |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, performance, size and ease of installation of the auto accessory. They mention that it works well to make a safe and secure tunnel through the firewall, it fits perfectly and that it's adjustable. They also like the wires protection. However, some customers dislike the thickness.
AI-generated from the text of customer reviews
Customers are satisfied with the quality of the auto accessory. For example, they say it's a high-quality piece that will last, it makes for a clean look when passing through the firewall, and it' s well-made.
"thick rubber, high quality product. was super easy to install!" Read more
"...The trim to fit makes it versatile, and the quality is tough enough where I didn't have to overly worry about tearing it while pulling it through..." Read more
"...High quality piece that will last." Read more
"...Awesome product." Read more
Customers are satisfied with the performance of the auto accessory. They mention that it works well for their application, makes a safe and secure tunnel through the firewall, and is easy to install. Some customers also mention that the product is useful and easy to use.
"...from sharp edges; prevents wire chafing and shorts Works great for wires, tubing, and air lines Requires drilling a 1.25 inch diameter..." Read more
"...I can confirm it works great! Fits all the way up to the biggest part of the shaft.It does look goofy though." Read more
"Great product worked very well. Stuffed full of cables threw my firewall and no leake or any problems." Read more
"Works great for my 0/1 gauge wire to run through the fire wall. Add some shrink wrap, and you'll have a nice water tight seal" Read more
Customers like the size of the auto accessory. For example, they mention it fits perfectly and also keeps wires from escaping. The adjustable size allows for different amounts of wires to be cinch down with a zip tie. Some mention that the product is not small and can handle multiple cable sizes.
"...WARNING this thing is not small as it can handle multiplecable sizes...." Read more
"...I can confirm it works great! Fits all the way up to the biggest part of the shaft.It does look goofy though." Read more
"...cap you can use to run wires to your battery from the cab, this fits perfectly and also keeps wires from rubbing on metal." Read more
"I finally got around to installing this boot and it fit like a glove!..." Read more
Customers find the installation process of the auto accessory to be easy. They mention that it is flexible for most cab wiring installation, and easy to mount for running wires through bulk head.
"...after that its real easy to use. You don't..." Read more
"thick rubber, high quality product. was super easy to install!" Read more
"...This was a very easy install and needed no mods or drilling, just pop out the small plastic cover on the top driver side of firewall, install grommet..." Read more
"...It looked too easy so I gave it a try. Wow, what a simple install. Used a stepped drill bit and cut out a 1.25" hole...." Read more
Customers are satisfied with the leakage of the auto accessory. They mention that the cables went through their firewall without any problems, and the Daystar made a tight seal and doesn't allow cold air in.
"...Stuffed full of cables threw my firewall and no leake or any problems." Read more
"...The Daystar made a tight seal and doesn't allow cold air in. I bought several extras to keep in my tool box in case it becomes unavailable." Read more
"...Does not leak at all." Read more
"A really great seal..." Read more
Customers like the wires protection of the firewall boot. They say it fits perfectly and prevents wires from rubbing on metal and sharp edges.
"...inch, 11/16 inch, and 1 inch diameter wire bundles Protects wires from sharp edges; prevents wire chafing and shorts Works great for..." Read more
"...your battery from the cab, this fits perfectly and also keeps wires from rubbing on metal." Read more
"This firewall boot is perfect for protecting wires that you wish to run between your engine compartment and into the auto cabin...." Read more
"...firewall and it is very sturdy and flexible and will protect your wires from damage." Read more
Customers like the cable. They say it's perfect for adding another cable through the firewall, and a great way to add additional wiring through the fire wall or as protection from wiring coming.
"Perfect for adding another cable through your fire wall...." Read more
"Great way to add additional wiring through the firewall or as protection from wiring coming in contact with any metal passthrough...." Read more
"...With this option it will allow you to add more cables later if needed." Read more
Customers are not happy with the thickness of the auto accessory. They mention that it's thinner than expected and the centers are very thin.
"...Only four stars because, as others have mentioned, the thickness of this boot is not enoughfor years of extreme temperatures in engine well...." Read more
"Worked very well. Slightly thinner than I anticipated. Will have to see how it holds up through seasonal temperature changes." Read more
"This is not very thick and I think it tries to cover too many different diameters. It would be best to just use the correct size." Read more
"The centers are very thin and rear around the outer ......" Read more
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Top reviews from the United States
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I bought several of these, 2 for my boat and one for my truck. Used them to make a waterproof and secure transition to the engine compartments
and battery storage areas. I was impressed that all you have to do is snip it off at what ever thickness /diameter you need. The boat used the 1"
diameter cut out to carry the 1" OD plastic conduit through. I used it to prevent chaffing and to make a water proof transition. WORKED REALLY SLICK !
I used the other boot to run aux battery 6 gauge batter cables up through the roof rack to allow for charging of my deep cycle emergency second battery
boxes mounted on my roof rack. I use the aux battery box to run a AC/DC 12 V power converter. WARNING this thing is not small as it can handle multiple
cable sizes. (ITS ABOUT 6"s LONG ) and requires you to drill a 1 1/4" hole to mount it "properly & securely". after that its real easy to use. You don't
have to, but I used a little weather striping adhesive to help secure it just in case I made the mounting hole a little too large.
(NOTE: PRODUCT DESCRIPTION.)
Trim-to-fit 3/8 inch, 11/16 inch, and 1 inch diameter wire bundles
Protects wires from sharp edges; prevents wire chafing and shorts
Works great for wires, tubing, and air lines
Requires drilling a 1.25 inch diameter hole
I can confirm it works great! Fits all the way up to the biggest part of the shaft.
It does look goofy though.
Update is that i went to lowes and used a dishwater connection hose adapter thats like 5$ and is the same damn thing, and you can buy it today from lowes or home depot, to me 15$ is absurd for a piece of rubber.
It looked too easy so I gave it a try. Wow, what a simple install. Used a stepped drill bit and cut out a 1.25" hole. Slipped in the grommet end and it was done.
I spent more time finding a clear location. So my entire install time was about three minutes. Two minutes making sure there wasn't any wires or hoses in the way. Half a minute to drill a small pilot hole and to rechecking the location and the last half minute actually drilling the 1.25" hole.
I also liked the fact I have room to expand if needed in the future. No need to re-drill another hole. Just slip the wires through and zip tie the end to keep water out.
Top reviews from other countries
Used to run a large bundle of wires thru a truck firewall. Worked fine
Only complaint is that it is grossly overpriced