Merchant Automotive

What Merchant Automotive does

Merchant Automotive is a privately held specialty automotive parts manufacturer, retailer, and service provider founded in 2004 and headquartered in Holland, Michigan, with a physical service center in Zeeland, MI. The company exclusively focuses on GM Duramax diesel engines (LB7, LLY, LBZ, LMM, LML, L5P, LGH, LWN, LM2, LZ0 generations) and Allison 1000 automatic transmissions fitted to GM 2500HD/3500HD pickups and heavy-duty vans, serving individual truck owners, enthusiasts, and competitive builders across North America through its DTC e-commerce platform at merchant-automotive.com.

Its core proprietary product lines include the MAximum Transmission Work Series and Pro Series rebuilt Allison transmissions (priced from $4,899 to over $5,999), Merchant Automotive branded head gasket kits, fuel system replacement kits, reman transfer cases, fuel injector line kits, and deluxe glow plug replacement kits, alongside third-party brands such as ACDelco, Edge, Kryptonite, and Timbren. The company operates a 552-SKU branded catalog, validated by in-house rebuild experience at its Zeeland service center, and distributes via direct-to-consumer e-commerce (BigCommerce), an in-shop service operation, and a dealer/reseller program.

Revenue is generated through one-time online parts sales (ranging from under $10 for small components to several thousand dollars for kits and transmissions), higher-value rebuilt transmission sales with core return policies, and professional service revenue from the Zeeland repair center. Affirm BNPL financing on 12+ month plans is offered to reduce friction on larger purchases, and a 5% military discount applies to Merchant Automotive branded products. The company claims to be the largest Duramax parts supplier, manufacturer, and service center globally and is led by founder Eric Merchant.

Name

Merchant Automotive

Legal name

Merchant Automotive

Website

https://merchant-automotive.com

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Merchant Automotive is a privately held, Holland/Zeeland, Michigan-based specialty manufacturer, e-commerce retailer, and service center exclusively for GM Duramax diesel and Allison transmission owners, selling 552 branded SKUs plus third-party parts across North America.

Ownership category

akta.pro rank

Product category

Diesel Performance and Heavy-Duty Truck Parts

NAICS

Motor Vehicle and Parts Dealers (441), Motor Vehicle Supplies and New Parts Merchant Wholesalers (42312)

SIC

Wholesale-Motor Vehicle Supplies & New Parts (5013), Wholesale-Motor Vehicles & Motor Vehicle Parts & Supplies (5010)

akta.pro primary industry

Automotive Parts & Accessories Online Retailers (CRAFADAK)

akta.pro secondary industry

Heavy-duty truck, trailer & commercial vehicle parts distribution (CRAOANAJ)

Keywords

• Duramax diesel parts
• Allison transmission rebuilds
• Heavy duty truck parts
• Diesel engine components
• Automotive aftermarket parts

Headquarters

HQ city

Zeeland

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. E-commerce Parts Sales: Online sales of auto parts and accessories for Duramax and Allison equipped vehicles through their BigCommerce e-commerce platform. Includes both Merchant Automotive branded products and third-party brand products (ACDelco, Edge, Kryptonite, Timbren, etc.).
2. Transmission Rebuilding and Sales: Sale of rebuilt MAximum Work Series and Pro Series Allison transmissions with core return policies. Higher-value transmission products ranging from approximately $4,899 to $5,999.
3. Vehicle Service and Repair: In-house repair services at their Duramax Allison Transmission Repair Service Center in Zeeland, MI.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Merchant Automotive is a specialty retailer, manufacturer, and service center dedicated to GM Duramax diesel engines and Allison automatic transmissions. It sells over 552 proprietary branded parts (MAximum Transmissions, head gasket kits, fuel system kits, transfer cases, etc.) alongside curated third-party brands through a direct-to-consumer e-commerce store, and operates an in-house repair facility in Zeeland, MI for installation and service.

Product overview

Merchant Automotive is a specialty e-commerce platform and service center for GM Duramax diesel and Allison automatic transmission equipped vehicles. The company offers over 552 branded products including MAximum Transmissions (Work Series for daily drivers and Pro Series for high-performance applications), engine gasket kits, fuel system components, transfer cases, and specialized tools. The product portfolio is organized around supporting multiple Duramax engine generations (LB7, LLY, LBZ, LMM, LML, L5P, LGH, LWN) and Allison transmission models from 2001-2025. The company operates a service shop in Zeeland, MI, and sells third-party branded parts alongside its own Merchant Automotive branded products.

Differentiator

Problem solved

Functional benefit

Brands

• MAximum Transmission: Brand name for rebuilt Allison transmissions, including Work Series and Pro Series variants designed for Duramax vehicles.

Products and services

• MAximum Transmission - Work Series Rebuilt Allison 1000 transmission designed for hard-working Duramax owners and daily drivers who want more holding power than stock while maintaining smooth stock-like performance. Features improved friction materials, hydraulic upgrades, dyno-tested MAximum Series valve body, steel deep sump transmission pan, billet aluminum filter lock, and single disc billet torque converter. Available for LB7, LLY, LBZ, LMM, and LML Duramax applications, starting at $4,899.
• MAximum Transmission - Pro Series High-performance rebuilt Allison 1000 transmission for Duramax owners making or planning more power, with additional clutch apply area, heavy-duty friction material, higher hydraulic pressure, all new bushings/bearings/seals, Triple Disc billet torque converter, and optional billet input, intermediate and output shafts for competition use. Priced up to $5,999.
• Head Gasket Kits Merchant Automotive branded engine head gasket kits for 6.6L Duramax diesel engines, covering all generations from LB7 (2001-2004) through LZ0 (2023-2025), with prices ranging from $189.95 to $1,695.93 depending on application.
• Fuel System Replacement Kits Complete Duramax fuel system replacement kits including fuel injector line kits, fuel hose kits, and full replacement kits with or without injectors, for LML (2011-2016) and other Duramax model years.
• Reman Transfer Case Merchant Automotive remanufactured transfer cases, including the 263XHD model (2001-2007) and other variants, for Duramax-equipped GM 2500HD/3500HD trucks.
• Engine Gasket Kits Complete engine gasket kits for Duramax engines covering LMM (2007-2010) and LLY (2004-2005) model years.
• Fuel Injector Line Kits Fuel injector line kits for various Duramax generations including L5P (2017-2025), LML (2011-2016), LMM (2007.5-2010), LBZ (2006-2007), LLY (2004.5-2005), and LB7 (2001-2004).
• DSP5 Switch Tuning switch by Fish Tuning for GM 6.6L Duramax engines, designed to work with EFI Live Tuning, allowing on-the-fly tuning changes. Available for LB7, LLY, LBZ/LMM/LML, and L5P (2011-2016) models.
• Rubber Fuel Hose Kits Rubber fuel hose kits for Duramax engines covering LB7 (2001-2004), LLY (2004.5-2005), LBZ/LMM (2006-2010), and LML (2012-2016) model years.
• Deluxe Glow Plug Replacement Kits Comprehensive glow plug replacement tool kits for Duramax engines, including air hammer, sockets, anti-seize, glow plug removal socket, and replacement glow plugs. Available for LB7 (2001-2004), LLY (2004.5-2005), and LBZ/LMM/LML (2006-2016) models.
• Duramax Allison Transmission Repair Service Center In-house vehicle repair and service center located in Zeeland, MI, providing Duramax and Allison transmission repair and installation services for individual truck owners who bring their vehicles in.
• Kryptonite Upper Control Arm Kit Performance boxed upper control arm kit for 2001-2010 Chevy/GMC HD trucks, laser-cut and TIG-welded with bolt-on ball joints, made in USA and backed by Kryptonite's lifetime warranty, priced at $664.99.

Quantifiable outcome

• 4.7 Satisfaction Rating
• +2 more outcomes

Named customers4 records

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature5 records

Partnerships

One partnership is on record.

• AffirmminorGTM or Marketing PartnerAffirm provides Buy Now, Pay Later financing options for customers, allowing them to make easy monthly payments of 12 months or more on purchases.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Diesel Power Products: Online retailer of diesel truck parts and accessories covering multiple platforms including Duramax. Comparable e-commerce-first DTC model serving diesel truck owners, though broader in platform coverage.
• PPE (Pacific Performance Engineering): Designer, manufacturer, and distributor of aftermarket parts for GM Duramax and Allison-equipped vehicles, including transmissions, fuel systems, and cooling components. Direct competitor in the Duramax/Allison specialty niche.
• ATS Diesel Performance: Manufacturer and retailer of aftermarket diesel performance products (transmissions, torque converters, intake, fuel systems) for Dodge, Ford, and GM diesel trucks. Directly comparable to Merchant Automotive in proprietary diesel performance parts and enthusiast customer base.
• S&S Diesel Motorsport: Diesel performance specialist focused on Dodge Cummins and GM Duramax platforms, offering proprietary fuel injectors, turbochargers, and tuning. Comparable in proprietary-product strategy and diesel enthusiast go-to-market.
• Thoroughbred Diesel: Specialty e-commerce retailer dedicated exclusively to Duramax and Power Stroke diesel performance and replacement parts. Closely comparable to Merchant Automotive in target customer (GM Duramax owners), catalog focus, and DTC distribution model.

Others

• Edge Products: Manufacturer of performance tuners and monitors for diesel and gas trucks, distributed by Merchant Automotive. Comparable as an ecosystem supplier in the Duramax performance aftermarket rather than a direct competitor.
• Kryptonite Products: Manufacturer of heavy-duty steering and suspension components for diesel HD trucks (e.g., control arms, tie rods), sold through Merchant Automotive's storefront. Comparable as an upstream vendor whose products overlap in the Duramax aftermarket rather than as a competitor.

Broad incumbents

• RockAuto: Large-scale online catalog retailer of aftermarket auto parts across all makes and models, including Duramax components. Comparable as an online auto parts e-commerce competitor but vastly broader in scope and lower in specialization.
• Summit Racing Equipment: Major performance and replacement parts retailer serving domestic performance enthusiasts, including diesel truck owners. Comparable as a parts e-commerce and catalog retailer, but with a much broader vehicle and category footprint.
• ACDelco: GM's OEM aftermarket parts brand, distributed by Merchant Automotive alongside its own branded products. Comparable as a wholesale motor-vehicle-parts supplier with strong GM credentials, though much larger and OEM-aligned.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@merchantautomotive
• Xx.com/MerchantAuto
• Facebookfacebook.com/MerchantAutomotiveLLC
• LinkedInlinkedin.com/company/merchant-automotive-llc

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Merchant Automotive