Magnum BYO Junction Block [MPN: 392979]

  • Magnum BYO Junction Block [MPN: 392979]_423206
Brand: Magnum MPN: 392979
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$41.99
$41.99 $33.95
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BYO® Build-Your-Own Junction Block

  • BYO™ BUILD-YOUR-OWN DOT BRAKE LINE BUILDER KITS
  • Assemble lines in only 5 minutes with side cutters and a 7/16? wrench for a perfect fit and alignment every time
  • Three different kits are available in two colors to solve your brake line assembly challenges
  • Basic Builder Single Disc Kits contain7/16? and 10mm banjos and fittings to build multiple front single disc brake lines
  • Deluxe Builder Kits contain banjos and fittings to build multiple front single disc brake lines, hydraulic clutch lines and most rear brake lines
  • Master Builder Kits include everything in the Deluxe Kits, plus additional banjos along with four brazed and plated manifolds to build most dual front disc brake lines
  • All kits are organized in a labeled, compartmental carrying case and include 25' of non-yellowing clear or black coated braided stainless steel hose, chrome or black chrome plated banjos, polished stainless hardware, copper crush washers plus a set of durable Aluminum BYO™ Vise Jaws. Kit contents are listed below
  • Brake hose and fittings are compliance labeled, pressure tested and 100% inspected
  • Patented design meets all FMV55-106 standards once assembled per the included instructions for safe and reliable on-road use
  • NOTE: BYO™ brand brake hose and components have been specifically designed to work ONLY in conjunction with each other. Use with any other Magnum brake line products or other manufacturer's brands will NOT pass FMVSS-106 criteria and will void all warranty, performance, and liability claims.
  • NOTE: Black and Basic BYO™ single disc builder kits do NOT contain rear brake line T-blocks or inverted flare fittings.
  • NOTE: Black and Basic BYO™ Single Disc Builder Kits Hydraulic Clutch Fittings are a natural stainless steel finish.
ColorChrome
Dimensions3 in x 2 in x 1 in
FinishChrome
Fitting Connector Type1/8" NPT Female
Fitting ShapeStraight
MaterialStainless Steel
ModelBuild Your Own (BYO)
Mounting PositionRear
MPN392979
MPN Alt1742-0318
Product NameFitting / Switch Block Assembly
TypeJunction Block
UnitsEach
Weight0 lb 3 oz

FAQ

How do I tell if a part will fit my ride?

Not sure if a part fits your ride? No problem—we’ve made it easy! You’ll find a fitment tool right on every product page (and on our homepage) to help you check compatibility with your vehicle. If you’re still unsure, just reach out—we’re always happy to help you find the right fit.

Does Motomentum price match?

In many cases, yes we do! We’re all about giving you the best deal, so if you find a lower price elsewhere, let us know. You can check out all the details in our Price Match Policy.

Do you offer warranties on your products?

At Motomentum, we stand behind the products we sell because we only carry brands we trust. Most of our items are covered by the manufacturer’s warranty, but don’t worry—we’re always here to help. If you ever run into an issue, reach out to us first. We’ll gladly assist with warranty questions and help you navigate the process to make sure you’re taken care of.

What payment methods do you accept?

We accept Apple Pay, Discover, Google Pay, MasterCard, PayPal, Shop Pay, Venmo, & Visa. We also offer a "Buy Now, Pay Later" option with Shop Installments through Shop Pay.

What is your return policy?

Motomentum accepts returns within 45 days of delivery, as long as items are unused, unaltered, and in resellable condition with all original packaging, tags, accessories, and paperwork included (some exclusions apply). See our full Return Policy or start a return from your orders page.

How much is shipping?

If you’re in the continental U.S., odds are good you’re getting free shipping. And how fast is it? Most orders arrive in 2–3 days. Sometimes faster, especially if a warehouse near you is locked and loaded.

We ship most items free of charge, unless it’s the kind of thing that won’t fit in your trunk (unless you drive a box truck). Oversized stuff may cost a little extra—but we’ll always keep it real with you upfront.

Need it even quicker? At checkout, you’ll usually have 2 express options ready to go—because sometimes, you just can’t wait.

Bottom line: we want you to get your gear fast, at the best price, with no surprises. Check out our Shipping Policy to see all the details.

Can I pick my order up instead?

Absolutely! Just give us a quick shout before you order so we can double-check things for you. Since we ship from multiple locations across the country, your item might not be at our HQ—but don’t worry, that usually means it’ll reach you even faster!

How do I join the MotoMoney Loyalty Program?

It’s easy — and free! Just create a Motomentum account, and you’ll automatically be enrolled in the MotoMoney Loyalty Program. From there, you’ll start earning points on eligible purchases right away. No extra steps or sign-ups required. If you already have an account, view your Loyalty account and make sure your status is turned on (green).

How do I become a Motomentum Member?

It’s easy — and free! Head on over to our Membership page to sign up. We’ll email you all the details, plus your exclusive Motomentum Members-only coupon code.

Where can I find your discount codes and deals?

You can find all our current discount codes and deals in one handy spot right here. Check it out anytime to snag the latest savings!

To see more, visit our full list of FAQ.