Prothane
Prothane is a US-based manufacturer founded in 1991 that produces high-performance polyurethane automotive parts—bushings, mounts, and suspension components—serving performance enthusiasts and aftermarket customers across 8+ countries with over 10,000 SKUs made in the USA.
- Company typePrivate
- Founded1991
- HeadquartersOntario, United States
- Headcount1–10
- GTM typeB2C
- OfferingHardware or Manufacturing
What Prothane does
Prothane is a privately held US manufacturer of high-performance polyurethane automotive components, founded in 1991 in Ontario, California, by car racing enthusiasts. The company produces an extensive catalog of over 10,000 part numbers spanning control arm bushings, motor and transmission mounts, sway bar bushings, body mounts, coil spring isolators, differential bushings, and related suspension and drivetrain components designed to replace OEM rubber parts. All products are manufactured domestically in the USA using proprietary urethane formulations refined over more than three decades, and are backed by a lifetime warranty. The portfolio is organized into individual SKUs and bundled solutions such as Total Kits and Motor/Transmission Mount Combos, with fitments covering both American vehicles and Asian/European imports. Components are offered in red or black polyurethane finishes.
The company monetizes through one-time purchases distributed across multiple channels: direct-to-consumer e-commerce on prothane.com, a network of independent sales representatives covering domestic markets, and authorized distributors serving both US and international markets across more than 8 countries. Pricing is not publicly listed; customers request quotes or download a catalog. Customer segments are horizontal and enthusiast-driven, spanning performance enthusiasts (autocross and track day drivers), sport compact owners, classic muscle car restorers, and truck/SUV owners seeking durable upgrade components. Marketing relies on the company website, social media (Facebook, Twitter, Instagram, YouTube), print and online automotive publications, and earned media in outlets such as The Shop Magazine and TURNology.
The business is independently owned with no disclosed institutional investment, no parent company, no subsidiaries, and no public listing. Operations run from a headquarters and manufacturing facility at 1893 South Lake Place, Ontario, CA, with a secondary office in Riverside, CA. Prothane reports daily production of more than 20,000 parts and has grown its SKU base from fewer than 100 part numbers at founding to over 10,000 today.
Prothane firmographics
Firmographics- Name
- Prothane
- Legal name
- Prothane
- Website
- https://prothane.com
- Company type
- Private
- Founded year
- 1991
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Prothane is a US-based manufacturer founded in 1991 that produces high-performance polyurethane automotive parts—bushings, mounts, and suspension components—serving performance enthusiasts and aftermarket customers across 8+ countries with over 10,000 SKUs made in the USA.
- Ownership category
- akta.pro rank
Prothane industry classification
Industry- Product category
- Automotive Performance Parts (Urethane Bushings and Mounts)
- NAICS
- Urethane and Other Foam Product (except Polystyrene) Manufacturing (32615)
- SIC
- Plastics Foam Products (3086)
- akta.pro primary industry
- Polyurethane (PU) Flexible Foam Manufacturing (IMANAIAC)
- akta.pro secondary industry
- Thermoset & Reactive Resin Manufacturing (Epoxy, Polyester, Phenolic, Urethane systems) (IMANAAAC)
Keywords
Where Prothane is headquartered
LocationHeadquarters
- HQ city
- Ontario
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Prothane business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Urethane Auto Parts Sales: Revenue generated from the sale of high-performance urethane bushings, mounts, and suspension components for automotive applications. Products are sold directly through the company website and through a network of distributors and resellers.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Pay-as-you-go | Standard urethane parts available in red or black color options |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels4 records
Prothane product offering
Product offeringCore offering
Prothane manufactures and sells high-performance polyurethane (urethane) automotive replacement parts, primarily bushings and mounts used in suspension and drivetrain systems. The company's product line spans over 10,000 part numbers covering both import and domestic vehicles, and is sold under the PROTHANE brand with a lifetime warranty. Products are available in red or black polyurethane and are marketed to car enthusiasts, racers, and performance-minded vehicle owners seeking stiffer, longer-lasting alternatives to OEM rubber components.
Product overview
Prothane is a manufacturer of high-performance urethane automotive parts, offering an extensive line of over 10,000 different part numbers for cars and trucks. The company's product portfolio is organized around a core platform of urethane bushings and mounts that replace OEM rubber components. Key product lines include Control Arm Bushings, Motor Mounts, Transmission Mounts, Sway Bar Bushings, Body Mounts, and Coil Spring Isolators, all manufactured with proprietary urethane formulations. Prothane also offers bundled solutions through Total Kits and Motor Transmission Mount Combos, which provide complete chassis and suspension upgrades for specific vehicle applications. The products are available in red or black polyurethane finishes and are designed to fit both Asian/European imports and American vehicles. All products are proudly made in the USA with a lifetime warranty.
Differentiator
Problem solved
Functional benefit
Products and services
- Control Arm Bushings Urethane bushings designed to replace OEM rubber control arm bushings, providing improved suspension alignment and reduced deflection for better vehicle handling and performance in cars and trucks.
- Motor Mounts High-performance urethane motor mounts that provide improved torque control and durability compared to stock rubber mounts, available for a wide range of domestic and import vehicles.
- Transmission Mounts Urethane transmission mounts designed for better durability and improved drivetrain performance, reducing unwanted movement and vibration.
- Sway Bar Bushings and End Link Bushings Performance urethane bushings for sway bars and end links that improve corner handling by reducing deflection in the suspension system.
- Body Mounts
- Coil Spring Isolators
- Total Kits
- Motor Transmission Mount Combos
- Differential Bushings
- Axle Pivot Bushings
- Bump Stops
- Strut Tower Bushings
- Trailing Arm Bushings
- Radius Arm Bushings
- Sub Frame Mounts
- Torque Arm Bushings
- Leaf Spring and Shackle Bushings
- Greaseable Spring and Shackle Bushings
- Shifter Stabilizer Bushings
- Steering Rack Bushings
- Rack and Pinion Bushings
- Track Bar Bushings
- C-Bushings
- Ball Joint Boots
- Shock Bushings
- Exhaust Mounts
Quantifiable outcome
- Sharper vehicle response and more predictable behavior compared to stock rubber bushings
- +1 more outcomes
Companies that use Prothane
Customer profileSegments4 records
Ideal customer profiles3 records
Prothane technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Prothane partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered minor.
- The Shop MagazineminorProthane was featured in The Shop Magazine's February 2020 issue discussing polyurethane products and highlighting the company's hottest product for 2020 - the Chevy Camaro 2010-'15 Total Kit. The feature serves to educate shops and customers about the benefits of polyurethane components.
- TURNologyminorTURNology featured an article titled 'PROTHANE Bushings Can Sharpen Your Vehicle's Response for Under $300' discussing how urethane bushings improve vehicle performance compared to stock rubber components.
Scale indicators5 records
Recent moves6 records
Expansion highlights4 records
Prothane competitors and assessment
Company assessmentDirect peers
- Megan Racing: Megan Racing produces aftermarket chassis components — control arms, bushings, tie rods — for sport compact and import vehicles. It competes directly with Prothane in the import/sport compact urethane and chassis segment.
- Energy Suspension: Energy Suspension is the closest direct competitor to Prothane, manufacturing polyurethane bushings, motor mounts, and chassis components for the automotive aftermarket. Both companies sell urethane replacements for OEM rubber with similar vehicle fitment breadth.
- BMR Suspension: BMR Suspension manufactures aftermarket chassis and suspension components — control arms, bushings, sway bars — for muscle cars and domestic performance vehicles. It is a direct peer in the Made-in-USA performance urethane and chassis parts space.
- Daystar Products: Daystar produces polyurethane motor mounts, body lifts, and suspension bushings for trucks, Jeeps, and performance cars. It competes head-to-head with Prothane in PU aftermarket mounts and bushings, including greaseable urethane technology.
- Whiteline: Whiteline designs and distributes polyurethane and rubber suspension bushings, sway bars, and anti-roll products globally. It overlaps Prothane in urethane bushing technology and aftermarket distribution, with a stronger Asia-Pacific footprint.
Broad incumbents
- Hotchkis Sport Suspension: Hotchkis offers a broader performance chassis portfolio (sway bars, coil springs, total vehicle systems) and is an established brand in the American muscle/import aftermarket. It is comparable to Prothane on chassis-parts customer base but spans a wider product line.
- Eibach Springs: Eibach is a global manufacturer of performance springs, sway bars, and wheel-alignment components with a much broader OE and motorsport presence than Prothane. It is comparable as a chassis-performance aftermarket peer, though not PU-bushing specialized.
- SPC Performance: SPC Performance specializes in alignment and suspension components (control arms, ball joints, camber plates) for the automotive aftermarket. It overlaps Prothane in chassis parts for performance and specialty-fitment vehicles but focuses on alignment rather than urethane bushings.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key highlights6 records
Customer concentration
Prothane social profiles
Digital presenceProthane financial estimates
Financial estimateRevenue estimate
Valuation estimate
Prothane leadership team
Management profileNumber of profiles
Prothane funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Prothane M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Prothane
What does Prothane do?
Prothane manufactures and sells high-performance polyurethane (urethane) automotive replacement parts, primarily bushings and mounts used in suspension and drivetrain systems. The company's product line spans over 10,000 part numbers covering both import and domestic vehicles, and is sold under the PROTHANE brand with a lifetime warranty. Products are available in red or black polyurethane and are marketed to car enthusiasts, racers, and performance-minded vehicle owners seeking stiffer, longer-lasting alternatives to OEM rubber components.
Is Prothane a public or private company?
Prothane is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Prothane founded?
Prothane was founded in 1991. It employs 1 to 10 people.
Where is Prothane based?
Prothane is headquartered in Ontario, United States, in the North America region.
How does Prothane make money?
One revenue line is on record: urethane Auto Parts Sales.
Who are Prothane's main competitors?
Direct peers on record are Megan Racing, Energy Suspension, BMR Suspension, Daystar Products and Whiteline. Broad incumbents are Hotchkis Sport Suspension, Eibach Springs and SPC Performance.
Does Prothane have an API?
No public API is recorded for Prothane.
What industry is Prothane in?
Prothane's product category is Automotive Performance Parts (Urethane Bushings and Mounts). Its primary akta.pro industry code is IMANAIAC, Polyurethane (PU) Flexible Foam Manufacturing, with a secondary code of IMANAAAC, Thermoset & Reactive Resin Manufacturing (Epoxy, Polyester, Phenolic, Urethane systems). Its NAICS code is 32615 and its SIC code is 3086.