Brakes
Heavy Duty Brake Drum
HRZ-BD-4412
Freightliner, Volvo, Kenworth
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TRUSTED PARTS SUPPLIER
Heavy-Duty Parts. Built to Keep You Moving.
40,000+ commercial vehicle parts. OEM-quality at aftermarket prices. Expert support, same-day fulfillment.
40,000+ Parts
OEM Cross-Reference
Same-Day Shipping
PRODUCT CATEGORIES
Find Parts by Category
Browse our complete catalog of heavy-duty commercial vehicle parts.
WHY HORIZON
The Horizon Advantage
Everything you need from a parts supplier — in one place.
40,000+ Part Numbers
One of the largest inventories of heavy-duty commercial vehicle parts, covering all major makes and models.
OEM Cross-Reference
Find parts by OEM number, competitor reference, or part name. We match any part from any manufacturer.
Expert Support
Our technical team has decades of experience identifying the right part for your specific application.
Fast Fulfillment
Same-day shipping available on in-stock items. Multiple distribution centers for rapid delivery anywhere.
Quality Guaranteed
Every part meets or exceeds OEM specifications. Full warranty on all products in our catalog.
Competitive Pricing
Premium quality at aftermarket prices. Save significantly vs OEM without compromising performance.
PRODUCT CATALOG
Browse Our Parts
Click any part to view details and add it to your quote request.
Suspension
Leaf Spring Assembly
HRZ-LS-2287
Peterbilt, Mack, International
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Steering
Tie Rod End Kit
HRZ-TR-9901
All major makes
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Air Springs
Air Spring Bag
HRZ-AS-5530
Freightliner, Western Star
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Engine Parts
Engine Gasket Set
HRZ-EG-7712
Cummins, Detroit, CAT
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Drivetrain
Universal Joint Kit
HRZ-UJ-3341
All major makes
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SIMPLE PROCESS
How It Works
From finding your part to getting a quote — 3 simple steps.
01
Browse the Catalog
Search by part number, OEM reference, vehicle make/model, or browse by category.
02
Add Parts to Quote
Select all the parts you need. They collect in your Quote Cart automatically.
03
Submit One Inquiry
Send a single quote request for all selected parts. We respond within 2 hours.
Compatible with all major makes
FreightlinerVolvoKenworthPeterbiltMackInternationalWestern StarMercedes-BenzCumminsDetroitCATPACCAR
CLIENT TESTIMONIALS
Trusted by Fleet Managers Across the Country
“
Horizon has been our go-to supplier for over 5 years. Their parts quality and delivery speed are unmatched in the industry.
J
James Miller
Miller Transport Co. · Fleet Manager
“
The cross-reference tool saves us hours every week. We can find any part by OEM number in seconds and get a quote same day.
S
Sarah Chen
Pacific Freight LLC · Purchasing Director
“
Technical support is exceptional. They helped us identify the exact right part for a rare application we could not find anywhere else.
R
Roberto Garza
Southwest Haulers · Head Mechanic
GET IN TOUCH
Request a Quote or Ask Our Experts
Our technical team responds within 2 business hours. Have your part number or vehicle details ready.
Phone
+1 (800) 555-0199
sales@horizonparts.com
Location
123 Industrial Blvd, Dallas, TX 75001
Hours
Mon–Fri: 7am – 6pm CST