Demand Index
Know how your products perform against the market.
Demand Index, housed on the TrendLens platform, helps aftermarket companies know how their products are performing against the market with the only tool that provides hard part and other parts performance data from point of sales transactions.
Data Sourced from the top retail and commercial distribution businesses










Key benefits of Market Data
Now, you have access to dozens of product groups, from filters to wheel hub bearings at a more detailed level, giving better market data on the specific products you sell.
Guesstimating no longer required. Demand Index provides 2 unique views - unit index and dollar index to help you know how your product categories are performing compared to the market.
No more debating on the markets impact on sales. With Demand Index, buyers and manufacturers can come to the table on the same page.
Demand Index can show you which marketing strategies have helped you outperform the market.
what subscribers are saying

Demand Index has given us visibility to overall monthly market trends for key product lines that were not being tracked by other market data companies.
Puneesh Malkani,
VP, Category Strategy and Analytics, First Brands Group

Supplier participation in the Demand Index is crucial, and we want our suppliers to make full use of the Demand Index to help us manage relevant product lines in the future. This is the best source of real-world data available by product line in our industry, so there is no reason we shouldn't all be taking advantage of what is available here.
David Wilbanks,
Senior Vice President, Merchandise
O'Reilly Auto Parts

The Auto Care Demand Index provides us with directional insights and a look into the health of our part categories while allowing complete anonymity and confidentiality of all members.
Large Automotive Electrical Parts Manufacturer

The Auto Care Demand Index provides BOSCH with one-of-a-kind insight to our hard part product line market trends. This allows my team to make informed decisions which impact both our customer and our business.
BOSCH
Available Product Groups
AC Components
Axles, CV
Batteries, Automotive
Batteries, Golf Cart
Batteries, HD/Commercial
Batteries, Lawn & Garden
Batteries, Marine
Batteries, Powersport
Belt Tensioners & Idler Pulleys
Belts
Blower Motors & Resistors
Brake Calipers
Brake Drums
Brake Friction
Brake Pads
Brake Rotors
Brake Shoes
Brake Steel
Catalytic Converters & Mufflers
Charging System
Chassis Suspension
Clutch Kits & Components
Control Arms
Emission
Engine & Transmission Mounts
Engine Management Sensors
Filters, Air
Filters, Cabin
Filters, Fuel
Filters, Oil
Filters, Transmission
Fluids, ATF
Fluids, Coolant & Antifreeze
Fluids, DEF
Fluids, Hydraulic
Fuel Injection
Fuel Pumps
Gaskets
Hoses
Hoses & Belts
Ignition Components
Ignition, Conventional
Ignition, Electronic
Intake/Exhaust Manifolds
Power Steering
Radiators
Radiator Fan Assemblies
Ride Control Suspension
Sensors, Emissions
Sensors, Miscellaneous
Sensors, Position
Shocks
Spark Plugs
Starting Systems
Struts
Thermostats & Water Outlets
Water Pumps
Wheel Bearings
Wheel Bearings & Seals
Wheel Hub Bearings
Wheel Seals
Window Lift Motors & Assemblies
Don't see your product line? Tell us what product lines to add next ►
Download Updated Data Dictionary

How Does It Work?
The Demand Index provides sales performance data for 38 product groups based on unit-level and dollar-level point of sale transaction data from a comprehensive list of retail and commercial distribution businesses. With just a few clicks, view custom date ranges of data, overlay multiple categories, examine trends and export data to compare with your own business performance.
Demand Index Product
Everything in TrendLens ™ Member, plus:
Demand Index (Product Performance Data)
- 2 Product Groups
- $4,000/group for additional Product Groups
- Unit Index and Dollar Index
- My Data
- YTD Report
- Economic Industry Indicator Comparison
$6,000/year
Demand Index Product Plus
Everything in Demand Index Product, plus:
Demand Index (Product Performance Data)
- 4 total Product Groups
- $2,000/group for additional Product Groups