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Bulb, rubber spare for circular, large, small and straight horn
Replacement bulb for Circular, Large, Small and Straight horns.
Spare rubber bulb fits our
Need a bulb for your
bulb horn? Then try the
Spare Rubber Bulb for Mini Brass Horns
How to choose the bulb size you need:
Measure brass tube diameter of old bulb. If outside diameter is 11/16 of an inch (17.5 mm), then get large bulb. If outside diameter is 5/8 of an inch (15.9 mm), then get
Need more product specs?
Click "Technical Specs" tab below for detailed facts.
Not blemished, flawed or factory second.
100% Satisfaction Guaranteed
Why Choose this Bulb?
If you want a budget-priced, antique-style, spare replacement bulb that fits most Circular, Large, Small and Straight bulb horns, then this bulb is for you.
This item does
qualify for free shipping.
If you add this item to the cart, your order cannot ship free.
on our nearly perfect & scrunched bulbs:
Order now while they last...
Get $2.63 OFF!
Nearly Perfect Bulb
Get $3.63 OFF!
List Price: $9.90
You save $1.03!
Quantity in Stock:613
Spare Rubber Bulb for Circular, Large, Small and Straight Horns
Fits most popular bulb horns...this is the low-cost bulb you've been looking for.
Just screw it on and start honkin'! (See tips below if bulb won't fit.)
Give it the Big Squeeze!
Large replacement bulb for
horns delivers extraordinarily loud honk. Features durable rubber construction with 5/8 inch (15.9 mm) ID diameter 28 tpi (threads per inch) brass fitting.
Bulb measures a substantial 3-3/4 inches (9.5 cm) in diameter by 5-1/4 inches (13.3 cm) in length to end of brass coller. Total length to tip of brass tube is approximately 7-1/4 inches (18.4 cm) (varies). Designed for 3-part brass bulb horns (bulb-reed-horn). Spare
available separately if needed. Bulb does
Our #1 Top Selling Product
Besides fitting most of the popular bulb horns, this replacement bulb fits all kinds of vintage car, taxi, antique, old brass and clown horns too. So if you need to replace that crumbly old vintage horn bulb, then this
low-cost Spare Rubber Bulb is what you've been looking for.
Solid brass fittings
Large 3-3/4" (9.5 cm) diameter bulb
Generates loud honk
Popular Low-end Item
These replacement rubber bulbs are ubiquitous. Yes, these are the exact same bulbs you see on economical brass horns (codes: BULH; BULL; BULO; BULS) at music stores, vintage motor car accessory shops, and specialty stores all over the Internet.
Good Deal for Thrifty Shoppers...Satisfaction Guaranteed
They are rather excellent products for the price. But these ain't fancy high-class articles. Most of the bulbs are just fine and you can expect them to serve you well for at least a year or two, maybe more. But the rubber ain't going to last forever. After all, they're just bargain basement imports. And they're not always perfect either. In fact, every now and again a bulb slips by with a slightly offset tube or imperfect brass hardware or some other minor flaw. So if the bulb you get does not meet with your satisfaction, then just let us know so we can make things right.
Why So Many Vintage Car Enthusiasts Order this Spare Replacement Bulb
Some of these replacement rubber bulbs simply screw onto your horn and you're back in business. But the screw thread fittings on some bulbs and horns are close—but don't quite match. So if you are handy with tools and can replace the brass tube with your own nozzle (or enlarge your horn screw threads with tape, putty or some other substance), then this replacement bulb will make that old horn of yours squawk again!
Makes Old Bulb Horns Honk Again
Terry Lewis of the
Car Club Australia (Queensland)
displays replacement bulb on
rare vintage 1912 Waverley.
"Dr. Mustard" displays ailing bulb at
National Mustard Museum
. A fun
tradition for nearly a decade,
customers get to Honk the Horn when
they buy something at the gift shop.
How to Generate a Loud Honk
Squeeze rubber bulb quickly and firmly. The horn should generate a loud blast. (If you squeeze rubber bulb gently, the horn will make no sound at all.)
Bulb won't fit your horn?
Bulb Mounting Tips
Attention Vintage Car Enthusiasts:
Do you need a reproduction rubber bulb to restore your authentic vintage car horn? You might be able to retrofit the rubber bulb on this page as an interim replacement. Yes, the bulb will definitely bring that vintage brass horn back to life and make it honk loudly. But if you want a rubber bulb like original equipment, then you need to find a shop that specializes in vintage auto parts. Those folks provide authentic reproduction rubber car horn bulbs and can answer your questions about them. In the meantime, if our low-cost spare rubber bulb does not quite fit, below are some tips on how to make it power your horn—
Tube Diameter Too Big?
Rubber bulb won't screw onto your vintage horn threads? "I made the bigger one work by wrapping electrical tape around the male threads on the horn and then threading the bulb fitting onto the taped threads."
—Richard in WISCONSIN
Here's another alternative:
Try teflon thread seal tape. That's the stuff plumbers wrap around pipe threads to prevent leaks.
Both Tubes Same Size, or No Threads?
Alan's surprisingly easy solution fastens the tubes using an inner sleeve splice: "Extremely simple—5/8" diameter nylon spacer fit inside the tubes like a glove. Nothing else was needed."
—Alan in CALIFORNIA
How To Replace Horn Bulb Tube with your own Nozzle
Authentic rubber bulbs for vintage cars are much more robust than the economical rubber bulb offered for sale on this page. And the fittings of the spare rubber bulbs we sell for musical washboard horns might not match the fittings on your car horn. But if you are handy in the workshop, then maybe you can remove the brass tube from the rubber bulb and replace it with the nozzle from your own horn. Below is how some of your fellow car horn enthusiasts did it:
1. Remove Brass Collar
Remove brass collar using small 1/8 inch blade screwdriver (e.g. shirt-pocket screwdriver) to pry open rim crimp, pushing up and outward.
2. Remove Brass Nozzle
With the collar off, push screwdriver down between nozzle and rubber neck.
Apply a small amount of "thin" or penetrating oil at the nozzle/rubber neck (wd-40 has also been recommended).
"Wiggle" and remove nozzle. Another customer said he "took the tube right out with a little twisting." Clean off any residual oil or alcohol.
3. Install Replacement Nozzle into Bulb
Enlarge the diameter of crimped collar so it fits over rubber bulb using needle nose pliers to stretch the brass. Be careful not to bend or tear sides of collar.
Place nozzle and collar on hard surface. Use flat blade of small screwdriver to "tuck" rubber under collar. The trick is to seat collar on rubber bulb in normal position. An alternative suggestion is to replace the brass collar with a pipe clamp.
Honk your horn.
THAT WAS EASY!
—Ron in TEXAS
"I applied some oil on the old bulb threaded shaft as well as the new, where it attaches to the rubber bulb. I was able to use the old shaft in the new bulb. The first time I squeezed the bulb, my cat almost jumped through the ceiling. The horn works fine!!"
Oil helps remove bulb from shaft. Let oil penetrate. Remove oil residue with rubbing alcohol after shaft is extracted. Try contact cement on emplaced shaft for snug fit.)
—Anon in PENNSYLVANNIA
"I was able to remove the tube in the bulb by cutting 4 slots and collapsing it, then was able to turn off. My tube fit snug into the bulb, sounds great and will be a nice piece to hang on the garage wall."
—Anon in SAINT LOUIS
"Be cautious when you remove the brass tube," says Floyd. That's because the tube is crimped and might flare out which can rip the rubber bulb. Floyd tells me you can prevent damage to the bulb by carefully twisting metal tube clockwise.
—Floyd in OHIO
Figures are approximate (but pretty darn close)--
Bulb Diameter: 3-3/4" (9.5 cm)
Bulb Length to end of brass coller: 5-1/4" (13.3 cm)
Bulb Length to end of brass tube: 7-1/4" (18.4 cm) (varies)
Brass Tube Length: 1-1/2" (3.81 cm) more or less
Brass Tube ID (Fitting): 5/8" (15.9 mm) at 28 tpi (threads per inch)
Brass Tube OD: 11/16" (17.5 mm)
Three-part Construction: Rubber bulb, brass collar, threaded brass tube.
Weight: 5 oz (141.75 grams)
Composition: Brass and rubber
Country of Origin: Pakistan
Large Bulb: Produces substantial honk.
Durable Construction: Built with tough rubber, brass fittings.
Just Screw-on and Honk: Fits Circular, Large, Small and Straight (not Mini) horns.
3-Part (bulb-collar-tube) Construction: Lets do-it-yourselfers modify bulb.
Traditional Design: Like you might find at a fine antique shop.
Accessories or Related Products:
Bulb, rubber spare for Double Bell horn
Bulb, rubber spare for circular, large, small and straight horn, scrunched factory 2nd
Bargain Bin Price: $4.87 each
Bulb, rubber spare for mini horn
Bulb, plain rubber, large (no hardware)
Bulb, rubber spare for circular, large, small and straight horn, nearly perfect factory 2nd
Bargain Bin Price: $5.87 each
Bulb, plain rubber, mini (no hardware)
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