KDP categories · Top KDP authors
Fuel Systems: Amazon KDP category data
Amazon Books Best Sellers data for Fuel Systems, updated Nov 2, 2026: median price $25.49, median 11 reviews, average rating 4.4 and a KDPTop opportunity score of 33/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $32.77 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 19% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 5% of the parent category Repair & Maintenance (236), one of the easier corners under it.
- 19% of its best sellers came out in the last 90 days, more than in 89% of Books categories: readers here keep buying new titles.
- Its review barrier is lower than in 82% of Books categories: the median best seller has only 11 reviews, so new books can chart with few.
Top 10 Fuel Systems best sellers
-
Vehicle Maintenance Log Book: Track Maintenance, Repairs, Fuel, Oil, Miles, Tires And Log Notes - Car Repair Journal - Oil Change Log Book - Auto Expense Diary - Cars, Trucks, And Other Vehicles
by Triangle Business
- List rank#1
- Price$6.99
- Rating4.6
- Reviews663
-
Auto Repair For Dummies
by Deanna Sclar
- List rank#2
- Price$18.13
- Rating4.6
- Reviews2,233
-
Complete Small Engine Repair & Maintenance Handbook: Step-by-Step Diagnostics, Engine Rebuilding, Fuel Systems, Ignition, Carburetors, Electrical ... Two-Stroke and Four-Stroke Small Engines
by Judson Slone
- List rank#3
- Price$32
- Rating5.0
- Reviews3
-
How a Diesel Engine Works for Beginners: A Clear, Simple Guide to Understanding Diesel Power, Torque, and Modern Engine Systems (Mechanical Systems for Beginners)
by Colin Chenard
- List rank#4
- Price$19.99
- Rating4.6
- Reviews11
-
Ike's Road Trip: How Eisenhower's 1919 Convoy Paved the Way for the Roads We Travel
by Brian C. Black
- List rank#5
- Price$12.82
- Rating3.8
- Reviews124
-
Engine Management: Advanced Tuning
by Greg Banish
- List rank#6
- Price$28.30
- Rating4.7
- Reviews919
-
ASE A1-A9 Study Guide: The Ultimate All-in-One Test Prep to Ace the ASE Exams, Become a Master Technician, and Take Your Career to the Next Level
by Textora Publishing
- List rank#7
- Price$29.99
- Rating4.4
- Reviews80
-
Pocket Maintenance Log: Vehicle Maintenance logbook - 4x6 120 Page Pocket Sized Repair Log - Record and Track Auto Repairs, Routine Maintenance, Oil ... Vehicles - Small Business or Personal use
by Piston Paperworks
- List rank#8
- Price$7.95
- Rating4.8
- Reviews37
-
Troubleshooting and Repairing Diesel Engines, 5th Edition
by Paul Dempsey
- List rank#9
- Price$23.72
- Rating4.7
- Reviews431
-
Power Play: Tesla, Elon Musk, and the Bet of the Century
by Tim Higgins
- List rank#10
- Price$22
- Rating4.5
- Reviews890
FAQ
Is Fuel Systems a good niche for Amazon KDP?
Its KDPTop opportunity score is 33/100, which makes it highly competitive. The median best seller has 11 reviews and sells for $25.49.
How many reviews do you need to rank in Fuel Systems?
The median best seller has 11 reviews, and 81% of them have fewer than 100.
What do Fuel Systems best sellers cost?
The median price is $25.49; half of the best sellers are priced between $9.99 and $32.77.
Can new books break into Fuel Systems?
19% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.