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Motor Oil Additives Automotive Fuel Additives in Additives(27)
Uses item details. Price when purchased online
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz $12.98 76.8 ¢/fl oz
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$1298
current price $12.9876.8 ¢/fl oz
Options from $12.98 – $311.52
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
2454.7 out of 5 Stars. 245 reviews
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Overall pick Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz. $6.58 Was $16.54 20.6 ¢/fl oz
Overall pick
4 options
Available in additional 4 optionsNow$658
current price Now $6.58, Was $16.54$16.54
20.6 ¢/fl oz
Options from $6.58 – $78.96
Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.
9964.8 out of 5 Stars. 996 reviews
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Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz $12.98 76.8 ¢/fl oz
5 options
Available in additional 5 options$1298
current price $12.9876.8 ¢/fl oz
Options from $12.98 – $311.52
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
2454.7 out of 5 Stars. 245 reviews
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Restore 4-Cylinder Formula Engine Restorer and Lubricant - 9 fl oz $7.97 88.6 ¢/fl oz
5 options
Available in additional 5 options$797
current price $7.9788.6 ¢/fl oz
Options from $7.97 – $191.28
Restore 4-Cylinder Formula Engine Restorer and Lubricant - 9 fl oz
1274.6 out of 5 Stars. 127 reviews
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STP Synthetic Oil Treatment Engine Oil Additive, 15 fl oz $8.92 59.5 ¢/fl oz
4 options
Available in additional 4 options$892
current price $8.9259.5 ¢/fl oz
Options from $8.92 – $107.04
STP Synthetic Oil Treatment Engine Oil Additive, 15 fl oz
1494.8 out of 5 Stars. 149 reviews
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Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz $6.36 37.6 ¢/fl oz
5 options
Available in additional 5 options$636
current price $6.3637.6 ¢/fl oz
Options from $6.36 – $152.64
Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz
4444.8 out of 5 Stars. 444 reviews
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Chevron Techron Fuel Injector Cleaner, 12 oz $9.00 Was $12.56 75.0 ¢/fl oz
5 options
Available in additional 5 optionsNow$900
current price Now $9.00, Was $12.56$12.56
75.0 ¢/fl oz
Options from $9.00 – $216.00
Chevron Techron Fuel Injector Cleaner, 12 oz
894.6 out of 5 Stars. 89 reviews
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Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz $5.94 54.0 ¢/fl oz
6 options
Available in additional 6 options$594
current price $5.9454.0 ¢/fl oz
Options from $5.94 – $142.56
Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz
5034.4 out of 5 Stars. 503 reviews
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zMAX Micro-Lubricant Engine Treatment Formula, 12 oz or 354 ml $19.78 $1.65/fl oz
4 sizes
Available in additional 4 sizes$1978
current price $19.78$1.65/fl oz
Options from $9.99
zMAX Micro-Lubricant Engine Treatment Formula, 12 oz or 354 ml
2154.7 out of 5 Stars. 215 reviews
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Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz $6.74 42.1 ¢/fl oz
5 options
Available in additional 5 options$674
current price $6.7442.1 ¢/fl oz
Options from $6.74 – $161.76
Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
3204.5 out of 5 Stars. 320 reviews
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Lucas 10130 Synthetic Oil Stabilizer 32 Ounce $18.26 57.1 ¢/fl oz
5 options
Available in additional 5 options$1826
current price $18.2657.1 ¢/fl oz
Options from $18.26 – $219.12
Lucas 10130 Synthetic Oil Stabilizer 32 Ounce
3834.8 out of 5 Stars. 383 reviews
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Hot Shot's Secret Stiction Eliminator Diesel Oil Additive 64 FL. OZ. $58.19
$5819
current price $58.19Hot Shot's Secret Stiction Eliminator Diesel Oil Additive 64 FL. OZ.
5944.9 out of 5 Stars. 594 reviews
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Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz $8.49 Was $9.99
5 options
Available in additional 5 optionsNow$849
current price Now $8.49, Was $9.99$9.99
Options from $8.49 – $50.94
Bar's Leaks Rear Main Seal Repair Additive, 16.9 oz
8774.7 out of 5 Stars. 877 reviews
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Rislone Hy-per Lube Zinc ZDDP Supplement, Automotive Additives, 11 oz $11.99
5 options
Available in additional 5 options$1199
current price $11.99Options from $11.99 – $143.88
Rislone Hy-per Lube Zinc ZDDP Supplement, Automotive Additives, 11 oz
10854.9 out of 5 Stars. 1085 reviews
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Slick 50 ReCharged High Mileage Engine Treatment Automotive Additive, 10W-30 Motor Oil, 32 Ounce $17.97 $1.20/fl oz
4 options
Available in additional 4 options$1797
current price $17.97$1.20/fl oz
Options from $17.97 – $215.64
Slick 50 ReCharged High Mileage Engine Treatment Automotive Additive, 10W-30 Motor Oil, 32 Ounce
1154.8 out of 5 Stars. 115 reviews
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Rislone High Mileage Compression Repair Oil 4447, Automotive Additives, 16.9 oz $10.03
5 options
Available in additional 5 options$1003
current price $10.03Options from $10.03 – $246.48
Rislone High Mileage Compression Repair Oil 4447, Automotive Additives, 16.9 oz
1034.5 out of 5 Stars. 103 reviews
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Slick 50 Engine/Transmission Treatment,15 oz. Sz 75001 $25.48
$2548
current price $25.48Slick 50 Engine/Transmission Treatment,15 oz. Sz 75001
75 out of 5 Stars. 7 reviews
Free shipping, arrives in 3+ days
Hot Shot's Secret HSSTBN32Z TBN Booster Fortified Oil Additive 32 oz. $34.32
$3432
current price $34.32Hot Shot's Secret HSSTBN32Z TBN Booster Fortified Oil Additive 32 oz.
205 out of 5 Stars. 20 reviews
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Biobor Biobor Eb Gas Ethanol Add 8Oz BBEB08EZ01US $34.66
$3466
current price $34.66Biobor Biobor Eb Gas Ethanol Add 8Oz BBEB08EZ01US
Free shipping, arrives in 3+ days
Biobor EB, Ethanol Buster and Performance Enhancer Gasoline Treatment, 16 oz $33.76
$3376
current price $33.76Biobor EB, Ethanol Buster and Performance Enhancer Gasoline Treatment, 16 oz
55 out of 5 Stars. 5 reviews
Free shipping, arrives in 3+ days
Rislone Hyper Lube Oil Supplement Automotive Additives, 32 oz $16.49
$1649
current price $16.49Rislone Hyper Lube Oil Supplement Automotive Additives, 32 oz
504.9 out of 5 Stars. 50 reviews
Free shipping, arrives in 3+ days
Hot Shot's Secret Original Stiction Eliminator 32 Fluid Ounce Bottle $41.54
$4154
current price $41.54Hot Shot's Secret Original Stiction Eliminator 32 Fluid Ounce Bottle
1364.7 out of 5 Stars. 136 reviews
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STP Multipurpose Motor Treatment E301990100 Fuel Stabilizer Automotive Additive Bottle, 16 Ounce $13.99
$1399
current price $13.99STP Multipurpose Motor Treatment E301990100 Fuel Stabilizer Automotive Additive Bottle, 16 Ounce
64.3 out of 5 Stars. 6 reviews
Free shipping, arrives in 3+ days
Hammonds Biobor MD Marine and Over the Road Diesel Additive 16 oz. Bottle $28.98
$2898
current price $28.98Hammonds Biobor MD Marine and Over the Road Diesel Additive 16 oz. Bottle
Free shipping, arrives in 3+ days
(6 pack) zMAX Micro-Lubricant Engine Treatment Formula, 12 oz or 354 ml $118.68 $1.65/fl oz
3 options
Available in additional 3 options$11868
current price $118.68$1.65/fl oz
Options from $118.68 – $474.72
(6 pack) zMAX Micro-Lubricant Engine Treatment Formula, 12 oz or 354 ml
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Hot Shot's Secret Stiction Eliminator Diesel Oil Additive 16 FL. OZ.
Hot Shot's Secret Stiction Eliminator Diesel Oil Additive 16 FL. OZ.
654.7 out of 5 Stars. 65 reviews
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Bar's Leaks Engine Oil Stop Leak Concentrate, 11 oz
Bar's Leaks Engine Oil Stop Leak Concentrate, 11 oz
6794.7 out of 5 Stars. 679 reviews
Free shipping, arrives in 3+ days