Universal Custom Truck Horns

Universal Semi Truck Custom Automotive Horns
Please Note:
There are no vehicle specific custom automotive horns available for your 2004 Workhorse W42. Please view our selection of universal fit products below.
  • Hadley® - Ambassador™ Rectangular Air Horn Kit
    Hadley® - Ambassador™ Rectangular Air Horn Kit
    0
    # 990678471
    Universal Ambassador™ by Hadley®. The classic Hadley Rectangular Bell is the most widely recognized truck air horn in the world. Made famous as original equipment on over-the-road trucks, heavy duty RV, and specialty vehicles. The...
    Exclusively designed to meet the most demanding requirementsStraightforward installation
    $82.59 - $1,197.60
    Availability Varies - Depends on Product Options
  • Hadley® - Bully™ Air Horn Kit
    Hadley® - Bully™ Air Horn Kit
    0
    # 990678461
    Universal Bully™ Air Horn Kit by Hadley®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $22.91 - $844.73
    Availability Varies - Depends on Product Options
  • Hadley® - Mounting Elbow and Tension Washer Kit
    Hadley® - Mounting Elbow and Tension Washer Kit (H11477S)
    0
    # mpn4654753880
    Universal Mounting Elbow and Tension Washer Kit by Hadley®. Hadley is the worldwide leader in air horn systems. You'll see Hadley horns used as original equipment on over-the-road, tractor/trailer rigs. And, when combined with a Hadley...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $18.34
    In Stock - Ships within 24 hrs
  • Hadley® - Solenoid Valve
    Hadley® - Solenoid Valve
    0
    # 990678495
    Universal Solenoid Valve by Hadley®. Hadley is the worldwide leader in air horn systems. You'll see Hadley horns used as original equipment on over-the-road, tractor/trailer rigs. And, when combined with a Hadley Air Compressor, they're...
    Exclusively designed to meet the most demanding requirementsStraightforward installation
    $70.05 - $71.96
    In Stock - Ships within 24 hrs
  • Hella® - Triple Trumpet Horn Kit
    Hella® - Triple Trumpet Horn Kit (003001671)
    0
    # mpn4890777184
    Universal Triple Trumpet Horn Kit by Hella®. Standard type Loud and powerful Triple Supertone Horns (with bracket - retail clamshell) add a level of safety to your driving with 118db(A) of sound. They can be mounted in a variety of...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $66.85
    In Stock - Ships within 24 hrs
  • Hella® - Triple Trumpet Horn Kit
    Hella® - Triple Trumpet Horn Kit (003001671)
    0
    # mpn4890777184
    Universal Triple Trumpet Horn Kit by Hella®. Standard type Loud and powerful Triple Supertone Horns (with bracket - retail clamshell) add a level of safety to your driving with 118db(A) of sound. They can be mounted in a variety of...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $66.85
    In Stock - Ships within 24 hrs
  • Hella® - Twin Trumpet Air Horn Kit
    Hella® - Twin Trumpet Air Horn Kit (005411001)
    0
    # mpn4890777245
    Universal Twin Trumpet Air Horn Kit by Hella®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
    High quality at an affordable priceExpertly made from premium materials
    $83.06
    In Stock - Ships within 24 hrs
  • Hella® - Twin Trumpet Air Horn Kit
    Hella® - Twin Trumpet Air Horn Kit (005411001)
    0
    # mpn4890777245
    Universal Twin Trumpet Air Horn Kit by Hella®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
    High quality at an affordable priceExpertly made from premium materials
    $83.06
    In Stock - Ships within 24 hrs
  • Hella® - Twin Trumpet Horn Kit
    Hella® - Twin Trumpet Horn Kit
    0
    # 5771599218
    Universal Twin Trumpet Horn Kit by Hella®. Whether you need the piercing blast of an air horn or the distinction of an electronically generated sound. This top-grade product is expertly made in compliance with stringent industry...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $43.22 - $55.96
    In Stock - Ships within 24 hrs
  • Hella® - Twin Trumpet Horn Kit
    Hella® - Twin Trumpet Horn Kit
    0
    # 5053239784
    Universal Twin Trumpet Horn Kit by Hella®. Whether you need the piercing blast of an air horn or the distinction of an electronically generated sound. This top-grade product is expertly made in compliance with stringent industry...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $43.22 - $55.96
    In Stock - Ships within 24 hrs
  • Nippon America® - Pipeman™ Compressor and Air Horn Kit
    Nippon America® - Pipeman™ Compressor and Air Horn Kit (THSY-1000)
    0
    # mpn4637870808
    Universal Pipeman™ Compressor and Air Horn Kit by Nippon America®. Nippon America offers the products that will surely hit the spot and answer the purpose of those customers who opt for a perfect price-quality ratio. Regardless of the...
    Constructed to ensure excellent durabilityMade of tough materials
    $35.99
    In Stock - Ships in 24 to 48 hrs
  • Nippon America® - Pipeman™ Train Horn
    Nippon America® - Pipeman™ Train Horn
    0
    # 98413877
    Universal Pipeman™ Train Horn by Nippon America®. Nippon America offers the products that will surely hit the spot and answer the purpose of those customers who opt for a perfect price-quality ratio. Regardless of the item chosen,...
    Constructed to ensure excellent durabilityMade of tough materials
    $43.99 - $231.99
    In Stock - Ships in 24 to 48 hrs
  • Spec-D® - Air Horn Kit
    Spec-D® - Air Horn Kit
    0
    # 263988066
    Universal Air Horn Kit by Spec-D®. Spec-D figuratively has their finger on the pulse of the automotive aftermarket, so they can bring you the latest style and best performing parts and accessories. No matter whether you want your car or...
    Custom style lighting parts for a unique appearance and better visibilityHigh-tech engine parts for the most power and best performance
    $18.08 - $50.84
    Availability Varies - Depends on Product Options
  • Wolo® - Bad Boy™ Air Horn
    Wolo® - Bad Boy™ Air Horn
    5
    # 76490052
    Universal Bad Boy™ Air Horn by Wolo®. Designed utilizing the latest technology, this product by Wolo features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
    Will produce a super loud alerting sound to keep you safe on the roadLooks as good as sounds and sports a compact, elegant, and stylish design
    $46.76 - $60.02
    Availability Varies - Depends on Product Options
  • Wolo® - Express™ 3 Trumpet Black Train Horn
    Wolo® - Express™ 3 Trumpet Black Train Horn
    0
    # 144290389
    Universal Express™ 3 Trumpet Black Train Horn by Wolo®. Designed utilizing the latest technology, this product by Wolo features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
    Will produce a super loud alerting sound to keep you safe on the roadLooks as good as sounds and sports a compact, elegant, and stylish design
    $119.38 - $172.01
    Availability Varies - Depends on Product Options
  • Wolo® - Horn Button Switch
    Wolo® - Horn Button Switch (HS-3)
    0
    # mpn4706423749
    Universal Horn Button Switch by Wolo®. Model HS-3 is a universal stainless-steel horn button switch that has a beautiful bright finish. HS-3 can be used with any brand horn that requires a normally open switch for activation. Easily...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $14.09
    In Stock - Ships within 24 hrs
  • Wolo® - Midnight Express™ 152 dB Train Horn
    Wolo® - Midnight Express™ 152 dB Train Horn
    0
    # 3868291560
    Universal Midnight Express™ 152 dB Train Horn by Wolo®. Type: Train Horn. When a truck owner wants the powerful sound of a truck train horn, go no further, Midnight Express™ is the horn to choose. Produces an Ultra powerful train...
    Will produce a super loud alerting sound to keep you safe on the roadLooks as good as sounds and sports a compact, elegant, and stylish design
    $152.87
    In Stock - Ships within 24 hrs
  • Wolo® - PRO-TEC PLUS™ Back-Up Alarm
    Wolo® - PRO-TEC PLUS™ Back-Up Alarm
    0
    # 5771599009
    Universal PRO-TEC PLUS™ Back-Up Alarm by Wolo®. The Model BA-697 back-up alarm is designed to provide a beeping warning sound along with a bright flashing light to alert people of the hazardous condition of a vehicle being operated in...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $29.12 - $32.93
    In Stock - Ships within 24 hrs
  • Wolo® - PRO-TEC PLUS™ Back-Up Alarm
    Wolo® - PRO-TEC PLUS™ Back-Up Alarm
    0
    # 5053239777
    Universal PRO-TEC PLUS™ Back-Up Alarm by Wolo®. The Model BA-697 back-up alarm is designed to provide a beeping warning sound along with a bright flashing light to alert people of the hazardous condition of a vehicle being operated in...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $29.12 - $32.93
    In Stock - Ships within 24 hrs
  • Wolo® - Silver Streak Express™ 2 Trumpet Chrome Roof Mount DD Train Air Horn with Direct Drive Compressor
    Wolo® - Silver Streak Express™ 2 Trumpet Chrome Roof Mount DD Train Air Horn with Direct Drive Compressor (836)
    0
    # mpn477956492
    Universal Silver Streak Express™ 2 Trumpet Chrome Roof Mount DD Train Air Horn with Direct Drive Compressor by Wolo®. The Silver Streak Express DD is the perfect addition to any 12-volt vehicle. This attractive horn is designed with...
    Will produce a super loud alerting sound to keep you safe on the roadLooks as good as sounds and sports a compact, elegant, and stylish design
    $127.92
    In Stock - Ships within 24 hrs
  • Dorman® - Back-Up Alarm
    Dorman® - Back-Up Alarm
    0
    # 2222405904
    Universal Back-Up Alarm by Dorman®. Dorman’s Back Up Alarms provide a high frequency "beeping" pulse that warns you when you are backing up. All Back Up Alarms are sold as a complete kit including all hardware needed for the repair....
    Easy to installDirect replacement for a proper fit
    $39.02 - $53.14
    Availability Varies - Depends on Product Options
  • ECCO® - 102 dB 12-24 V Dual-Function Back-Up Alarm
    ECCO® - 102 dB 12-24 V Dual-Function Back-Up Alarm
    0
    # 3804689008
    Universal 102 dB 12-24 V Dual-Function Back-Up Alarm by ECCO®. Dual function alarm provides back-up alarm and dual tone features in a compact housing. This product is made of high-quality materials to serve you for years to come....
    Made using the breakthrough technologyEffective, innovative, and extremely robust
    $63.81 - $78.45
    Availability Varies - Depends on Product Options
  • ECCO® - 12-24 V Multi-Frequency Back-Up Alarm
    ECCO® - 12-24 V Multi-Frequency Back-Up Alarm
    0
    # 334448104
    Universal 12-24 V Multi-Frequency Back-Up Alarm by ECCO®. The Multi-Frequency back-up alarm provides a solution to potential noise pollution created by back-up alarms in confined or densely populated work areas by maintaining a safe...
    Emits sound at multiple frequencies attenuated above 4000HzCompact design and universal mounting maximizes location options
    $67.14 - $355.28
    Availability Varies - Depends on Product Options
  • ECCO® - 200 Series 97 dB 12 V Back-Up Alarm
    ECCO® - 200 Series 97 dB 12 V Back-Up Alarm (210)
    0
    # mpn474274871
    Universal 200 Series 97 dB 12 V Back-Up Alarm by ECCO®. Designed for mounting in areas where a compact profile is required, the universal mounting bracket covers a wide range of popular mounting applications.
    Compact profileStud terminal connection
    $32.54
    In Stock - Ships within 24 hrs
  • ECCO® - 40 Series 12-24 V Back-Up Alarm
    ECCO® - 40 Series 12-24 V Back-Up Alarm
    0
    # 334464116
    Universal 40 Series 12-24 V Back-Up Alarm by ECCO®. Grommet mount directs warning to the rear of the vehicle while reducing installation time, requiring no tools. Epoxy sealed against dust, moisture and vibration. For use with standard...
    Directs warning to rear of vehicleEncapsulated electronics extend product life
    $54.65 - $57.60
    Availability Varies - Depends on Product Options
  • ECCO® - 400 Series Back-Up Alarm
    ECCO® - 400 Series Back-Up Alarm
    0
    # 334464120
    Universal 400 Series Back-Up Alarm by ECCO®. For use with standard 4.5" rear lighting grommet. Reverse mounted speaker enhances sound and protects the alarm from dust and moisture ingress. Grommet mount directs warning to the rear of...
    Made using the breakthrough technologyEffective, innovative, and extremely robust
    $90.11 - $144.14
    Availability Varies - Depends on Product Options
  • ECCO® - 500 Series Back-Up Alarm
    ECCO® - 500 Series Back-Up Alarm
    0
    # 334464124
    Universal 500 Series Back-Up Alarm by ECCO®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by ECCO will last a...
    Compact profileStud terminal connection
    $21.88 - $76.01
    Availability Varies - Depends on Product Options
  • ECCO® - 600 Series Back-Up Alarm
    ECCO® - 600 Series Back-Up Alarm
    0
    # 334464139
    Universal 600 Series Back-Up Alarm by ECCO®. Compact housing and rugged construction designed for demanding applications, reverse mounted speaker enhances sound and protects the alarm from dust and moisture ingress. Epoxy sealed against...
    Made using the breakthrough technologyEffective, innovative, and extremely robust
    $82.25 - $147.38
    Availability Varies - Depends on Product Options
  • ECCO® - 800 Series Back-Up Alarm
    ECCO® - 800 Series Back-Up Alarm
    0
    # 334456104
    Universal 800 Series Back-Up Alarm by ECCO®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
    Reverse mounted speaker protects against dust, moisture and vibrationDesigned for demanding applications
    $92.94 - $173.18
    Availability Varies - Depends on Product Options
  • ECCO® - Alarm Activation Switch
    ECCO® - Alarm Activation Switch
    0
    # 334456117
    Universal Alarm Activation Switch by ECCO®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
    Made using the breakthrough technologyEffective, innovative, and extremely robust
    $32.49 - $109.89
    Availability Varies - Depends on Product Options