median images in the median Replacement Parts category
top sellers with a brand video, median category
median creator videos per top listing
top sellers using A+ Content, median category
Most content-saturated
Replacement Parts categories where the leaders are most built out — expect a high content bar.
Biggest content openings
Replacement Parts categories where even the top sellers are light on content — the fastest places to stand out.
Replacement Parts categories
Benchmarks for each Replacement Parts category, measured from the top 10 best sellers.
| Category | Images | Brand video | Creator videos | A+ Content |
|---|---|---|---|---|
| Batteries & Accessories | 6 | 9 of 10 | 10 | 10 of 10 |
| Bearings & Seals | 6 | 4 of 10 | 1 | 10 of 10 |
| Belts, Hoses & Pulleys | 6 | 7 of 10 | 3 | 9 of 10 |
| Body & Trim | 8 | 7 of 10 | 10 | 10 of 10 |
| Brake System | 6 | 6 of 10 | 1 | 8 of 10 |
| Cables | 5 | 7 of 10 | 1 | 9 of 10 |
| Caps | 8 | 4 of 10 | 1 | 6 of 10 |
| Engine Cooling & Climate Control | 6 | 5 of 10 | 3 | 9 of 10 |
| Engines & Engine Parts | 6 | 7 of 10 | 4 | 9 of 10 |
| Exhaust & Emissions | 6 | 5 of 10 | 2 | 10 of 10 |
| Filters | 5 | 6 of 10 | 10 | 9 of 10 |
| Fuel System | 6 | 5 of 10 | 4 | 10 of 10 |
| Gaskets | 5 | 1 of 10 | 1 | 8 of 10 |
| Ignition Parts | 5 | 0 of 10 | 1 | 6 of 10 |
| Lighting & Electrical | 7 | 7 of 10 | 7 | 10 of 10 |
| Motors | 7 | 6 of 10 | 3 | 10 of 10 |
| Sensors | 6 | 7 of 10 | 3 | 9 of 10 |
| Shocks, Struts & Suspension | 7 | 5 of 10 | 3 | 9 of 10 |
| Starters & Alternators | 6 | 7 of 10 | 2 | 8 of 10 |
| Steering System | 6 | 4 of 10 | 0 | 9 of 10 |
| Switches & Relays | 6 | 3 of 10 | 3 | 7 of 10 |
| Transmission & Drive Train | 6 | 4 of 10 | 2 | 8 of 10 |
| Window Regulators & Motors | 5 | 8 of 10 | 1 | 9 of 10 |
| Windshield Wipers & Washers | 6 | 8 of 10 | 10 | 10 of 10 |
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Source: Cohley's Amazon Content Benchmarks, August 2026 snapshot. Benchmarks describe the top 10 best sellers in each category — the leaders, not the average listing. Read the methodology.