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Fuel Additives Price Analysis

Market data for 15,400 fuel additive and treatment listings.

What you'll usually pay

$30.95 typical price
Most are between$11โ€“$131
Brand new$32.49
Used$30
On sale now15,400

๐Ÿ’ก Buying used saves about 8% here.

๐Ÿ‘‰ In short easy summary

Value is highest in single packs and smaller volumes, with 8oz bottles priced 13% below the median. Diesel treatments and detergents command a premium, with detergents costing 77% more than the market median.

๐Ÿ’š Best value for your money

STA-BIL 445 on sale$21.47 ยท 31% cheaper
8oz. 771 on sale$26.97 ยท 13% cheaper
LIQUI MOLY 720 on sale$27.88 ยท 10% cheaper
Fuel Injector Cleaner 2,279 on sale$28.55 ยท 8% cheaper
15oz. 555 on sale$28.99 ยท 6% cheaper

Price by volume

8oz.
$26.97-13%
15oz.
$28.99-6%
4oz.
$31.1
16oz.
$35+13%
12oz.
$36.97+19%
64oz.
$44.94+45%

Why? Prices scale with size, ranging from 26.97 for 8oz to 44.94 for 64oz.

Price by units per package

Pack of 1
$29.99-3%
Pack of 2
$35.84+16%
Pack of 3
$38.99+26%
Pack of 4
$47.9+55%
Pack of 6
$59.99+94%
Pack of 12
$69.99+126%

Why? Bulk purchasing increases total cost, with 12-packs priced 126% higher than the median.

Price by brand

STA-BIL
$21.47-31%
LIQUI MOLY
$27.88-10%
Star brite
$29.28-5%
Sea Foam
$30.3-2%
Lucas
$33.11+7%
Royal Purple
$37.97+23%

Why? Pricing varies by manufacturer, from STA-BIL at 21.47 to Royal Purple at 37.97.

Price by type

Fuel Injector Cleaner
$28.55-8%
Engine Flush
$38.99+26%
Turbo Cleaner
$39.4+27%
Antioxidant/Stabiliser
$39.99+29%
Diesel Treatment
$48.98+58%
Detergent
$54.7+77%

Why? Specialized formulas like detergents (54.7) cost significantly more than injector cleaners (28.55).

๐Ÿ›’ Some on sale right now

Common questions

What is the median price for a fuel injector cleaner?

The median price for a fuel injector cleaner is 28.55.

How does the price of a 64oz bottle compare to the market median?

A 64oz bottle has a median price of 44.94, which is 45% above the market median.

Which brand is the most affordable based on median price?

STA-BIL is the most affordable brand with a median price of 21.47.

How we got these numbers

Worked out from 200 live eBay listings (price range $11โ€“$131, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 18, 2026.

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