SunCoast Diesel

Name

SunCoast Diesel

Legal name

SunCoast Converters, Inc.

Website

https://suncoastdiesel.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Fort Walton Beach

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Product Sales: One-time sales of performance torque converters, transmissions, rebuild kits, parts, clutches, flywheels, and transmission fluids. Products are sold with optional core exchange programs where customers receive refundable core charges upon returning old parts.
2. Core Exchange Program: Refundable core charges added to converter purchases (e.g., $800 for 10L80 converters, $100 for 722.6 converters). These charges are refunded when customers return their old cores.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

SunCoast Diesel designs, engineers, and manufactures performance torque converters and rebuilt/custom transmissions in-house at its Fort Walton Beach, Florida facility, selling them directly to consumers through its e-commerce website and a US dealer network. The proprietary SunCoast Performance line features billet aluminum torque converters with patent-pending Zero Drag Lock-up and Pro-Loc modular designs; the company also resells third-party brands such as Coan, ATI, Sonnax, and Raybestos.

Product overview

SunCoast Diesel operates as a specialized eCommerce retailer and manufacturer of performance automotive transmission components, divided into two main product lines: Diesel Products and Gas Products. The core offerings span transmissions, torque converters, rebuild kits, parts, fluid, clutches, flywheels, and apparel. Their proprietary SunCoast Performance brand features high-end billet torque converters with Pro-Loc technology and patent-pending Zero-Drag Lock-up systems, while SunCoast Transmissions offers complete rebuilt units including Guardian HD and Ranger Series for heavy-duty applications. The company also distributes third-party brands including Sonnax, ATI, Coan, Raybestos, TCS, and PML. Product compatibility covers domestic vehicles across Dodge Cummins, Ford Powerstroke, and GM Duramax (diesel), as well as BMW ZF8HP, Ford, GM, Toyota, and other platforms (gas).

Differentiator

Problem solved

Functional benefit

Brands

• Guardian HD: Heavy-duty transmission product line for diesel applications
• Ranger Series
• SunCoast Swag

Products and services

• Diesel Products (Transmission Lineup) Complete lineup of diesel transmission parts and assemblies (transmissions, converters, rebuild kits, parts, fluid, clutches, flywheels) for Dodge Cummins, Ford Powerstroke, and GM Duramax diesel trucks used in towing, hauling, and performance applications.
• Gas Products (Transmission Lineup) Complete lineup of gasoline transmission parts and assemblies (transmissions, converters, rebuild kits, parts, fluid, clutches, oil coolers) for Dodge, Ford, Chevy/GMC, Nissan, and Toyota applications.
• SunCoast Performance Brand (Proprietary Torque Converters) SunCoast's proprietary brand of torque converters, valve bodies, and transmission components featuring billet construction, Pro-Loc bolt-together technology, and patent-pending Zero-Drag lock-up systems for high-performance and heavy-duty applications.
• SunCoast Transmissions (Rebuilt/Custom) Complete rebuilt or custom-built transmissions for diesel and gas applications, offered as turnkey assemblies with matching converter packages.
• Guardian HD Series Transmissions Heavy-duty transmission series designed for high-performance and heavy-duty diesel applications, available with matching converter packages.
• Ranger Series Transmissions Performance-oriented transmission series for diesel applications, sold as complete rebuilt units.
• 6L80E Torque Converters Billet triple disc torque converters in 245mm, 258mm, 265mm, and 300mm sizes for GM 6L80E/6L85E/6L90E transmissions, including SunCoast and third-party Coan/ATI branded units.
• SunCoast Pro-Loc 10L80 Converter 260MM Torque converter for GM 10-speed 10L80 automatic transmissions featuring billet stator with multiple stall options, upgraded thrust bearings, high-performance friction materials, and heavy-duty sprag assembly. Priced at $2,349.00 with optional $800 refundable core charge.
• 10L90 XPL Pro-Loc Billet Torque Converter 260MM High-performance torque converter manufactured from 7075 T6 billet aluminum plate with patent-pending Zero Drag Lock-up technology, modular clutch basket assembly, and SunCoast Pro-Loc XL sprag. Priced at $4,295.00.
• SunCoast Pro-Loc 10R60 Converter 260MM Torque converter for Ford 10-speed 10R60 automatic transmissions with billet stator featuring multiple stall speed options, designed for Ford Ranger, Bronco, and Explorer.
• SunCoast 722.6 NAG1 Category 1 Upgraded Torque Converter Upgraded torque converter for Mercedes-Benz 722.6 (5G Tronic/NAG1) transmissions featuring furnaced-brazed fins, custom turbine/pump fin angles, custom Zero-Drag clutch system, and precision dynamic balancing. Priced at $1,145 plus $100 refundable core charge.
• TH400 Torque Converters Extensive lineup of torque converters for GM TH400/TH350 transmissions including Coan and ATI branded products, ranging from street performance to extreme drag racing applications with single disc, triple disc, spragless, and billet cover configurations.
• Valve Bodies & Pump Kits Performance valve body and pump kits with enhanced oil flow for 10L80, 10R60, 10R80, 6L80E, and other transmissions, sourced from suppliers such as Sonnax.
• Transmission Rebuild Kits Complete rebuild kits including extra-capacity options with upgraded valve bodies for Ford 10R60/10R80, GM 10L60/10L80/10L90, and other transmissions.
• Transmission Fluid (Full Synthetic ATF) Transmission fluids including full synthetic ATF for diesel and gas applications.
• Clutch Kits & Hydraulics Clutch kits and hydraulic components for manual and automatic transmission applications, including offerings from Raybestos and Sonnax.
• Performance Flywheels Performance flywheels for diesel and gas transmission applications, including SFI billet flexplates for use with high-performance converters.
• SunCoast Swag Apparel Branded apparel and merchandise line featuring the SunCoast Performance logo.
• Third-Party Brand Resale (Coan, ATI, Sonnax, Raybestos, TCS, PPE) Resale of torque converters and transmission components from third-party manufacturers Coan Racing, ATI, Sonnax, Raybestos, TCS, and Pacific Performance Engineering through the SunCoast e-commerce platform alongside SunCoast's own branded converters.

Quantifiable outcome

• Zero Drag Lock-up reduces parasitic loss, resulting in more power to the ground
• +2 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature5 records

Partnerships

Six partnerships are on record, tiered minor.

• Coan RacingminorOthersCoan Racing is a third-party torque converter manufacturer whose products are sold through SunCoast Diesel's e-commerce platform alongside SunCoast's own branded converters. This is a product resale relationship rather than a formal partnership.
• ATI (Advanced Transmission Technology Inc.)minorOthersATI is a third-party manufacturer of torque converters and transmission components sold through SunCoast Diesel's platform. Products include SuperStreet Master Torque Converters for various applications.
• SonnaxminorOthersSonnax is a supplier of transmission parts, rebuild kits, and components sold through SunCoast Diesel's platform. Products include valve body kits, clutches, and performance parts.
• RaybestosminorOthersRaybestos supplies transmission filters, gaskets, bands, and clutch kits sold through SunCoast Diesel's platform.
• TCS (Transmission Component Supply)minorOthersTCS provides transmission components including billet clutch hubs, overdrive planets, input shafts, and pump rotors sold through SunCoast's platform.
• Pacific Performance Engineering (PPE)minorOthersPPE manufactures heavy-duty transmission pans and other performance components recommended as complementary products on SunCoast's product pages.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• Goerend Transmission: Goerend is a specialist manufacturer of torque converters and transmission components for Dodge Cummins, Ford Powerstroke, and GM Duramax diesel platforms—sharing SunCoast's core diesel truck customer base and product category focus.
• Hughes Performance: Hughes Performance builds high-performance automatic transmissions and torque converters with a heavy emphasis on drag racing and street/strip GM/Ford applications—overlapping directly with SunCoast's performance and racing converter offerings.
• BD Diesel Performance: BD Diesel designs, manufactures, and sells performance and heavy-duty diesel aftermarket components (including transmissions) for Cummins, Powerstroke, and Duramax trucks—competing with SunCoast in the same diesel enthusiast and towing segments.
• Thoroughbred Diesel: Thoroughbred Diesel is a leading e-commerce retailer and brand in diesel performance parts for Cummins, Powerstroke, and Duramax trucks, with significant overlap with SunCoast in torque converters, transmissions, and supporting drivetrain components.
• TCI Automotive: TCI is a long-established manufacturer of performance automatic transmissions and torque converters serving street, strip, towing, and racing applications. It competes with SunCoast on the same domestic-platform torque converter SKUs and offers a comparable billet and racing product portfolio.
• Monster Transmission & Performance: Monster Transmission builds and sells performance automatic transmissions and torque converters direct-to-consumer across multiple domestic platforms. It mirrors SunCoast's rebuilt/custom transmission and converter DTC offering for enthusiasts and towing customers.
• ATI (Advanced Transmission Technology Inc.): ATI designs and manufactures performance torque converters and driveline components for street, strip, and heavy-duty applications. ATI is a direct head-to-head competitor to SunCoast Performance and is even currently retailed on SunCoast's own storefront, making it the closest comparable in product and customer overlap.
• Coan Racing: Coan Racing specializes in high-performance and racing torque converters (TH400, Powerglide, etc.) with extreme drag-racing SKUs in the same premium price band as SunCoast's own billet units. It is sold alongside SunCoast's own branded line, indicating direct product overlap and shared customer profile.

Broad incumbents

• Schaeffler / LuK: Schaeffler (parent of LuK) is a major Tier 1 supplier of OE and aftermarket drivetrain components, including torque converter and clutch kits. While primarily focused on OE/OES supply, its aftermarket portfolio overlaps with SunCoast's transmission rebuild kit categories.
• Summit Racing Equipment: Summit Racing is the largest US mail-order/online retailer of performance aftermarket parts, including torque converters and transmission components from multiple brands. While broader and less specialized, it competes for the same enthusiast dollars and serves as a key alternative shopping destination.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/suncoast-performance-suncoast-diesel-suncoast-gas-suncoast-converters

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SunCoast Diesel