Shop best engine additives

Sponsored
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$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
18% off
$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
$83.70
$98.13
Slick 50 Supercharged Synthetic Engine Treatment | 15 Oz., 6-Pack
Amazon.com
293
Free shipping
14% off
$83.70
$98.13
Slick 50 Supercharged Synthetic Engine Treatment | 15 Oz., 6-Pack
Amazon.com
293
$118.69
Tribotex Nano Oil Additive Car Engine Treatment: Add To Engine Lube - Makes High Mileage Cars Like New With A Synthetic Material (Treats One Regular
Amazon.com
1K+
Free shipping
$118.69
Tribotex Nano Oil Additive Car Engine Treatment: Add To Engine Lube - Makes High Mileage Cars Like New With A Synthetic Material (Treats One Regular
Amazon.com
1K+
$16.69
P.I. Performance Improver Gasoline Additive In 12 Oz. Bottle By AMSOIL | APICN-EA
AMSOIL
984
$16.69
P.I. Performance Improver Gasoline Additive In 12 Oz. Bottle By AMSOIL | APICN-EA
AMSOIL
984
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
767
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
767
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$8.99
$11.99
Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16
Advance Auto Parts
139
25% off
$8.99
$11.99
Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16
Advance Auto Parts
139
$87.87
1 Gallon Power Additive - Klotz Synthetic Nitro Power Additive | Klotz Synthetic Lubricants KL-640
Summit Racing
5
Free shipping
$87.87
1 Gallon Power Additive - Klotz Synthetic Nitro Power Additive | Klotz Synthetic Lubricants KL-640
Summit Racing
5
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, Compatible With All Motor Oils, 300 Ml, 20002
Advance Auto Parts
248
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, Compatible With All Motor Oils, 300 Ml, 20002
Advance Auto Parts
248
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$101.46
LIQUI MOLY 300Ml Mos2 Anti-Friction Engine Treatment
Extreme Power House
$101.46
LIQUI MOLY 300Ml Mos2 Anti-Friction Engine Treatment
Extreme Power House
$50.39
Hot Shot's Secret HSS64Z: Hot Shot's Secret Stiction Eliminator Oil Additive
Summit Racing
3
$50.39
Hot Shot's Secret HSS64Z: Hot Shot's Secret Stiction Eliminator Oil Additive
Summit Racing
3
$24.64
32 Oz. Cetane Boost - VP Racing Madditive Cetanium Cetane Concentrate | VP Racing Fuels 2865
Summit Racing
1
$24.64
32 Oz. Cetane Boost - VP Racing Madditive Cetanium Cetane Concentrate | VP Racing Fuels 2865
Summit Racing
1
$33.13
$44.40
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
TekCypher.com
25% off
$33.13
$44.40
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
TekCypher.com
$10.64
Marvel Mystery Oil Oil Additive: Motor Treatment, 32 Fl Oz Container Size Model: MM13R
Grainger
1K+
$10.64
Marvel Mystery Oil Oil Additive: Motor Treatment, 32 Fl Oz Container Size Model: MM13R
Grainger
1K+
$38.19
Quickshot Gasoline Treatment And Stabilizer In A Quart Bottle By AMSOIL | AQSQT-EA
AMSOIL
55
$38.19
Quickshot Gasoline Treatment And Stabilizer In A Quart Bottle By AMSOIL | AQSQT-EA
AMSOIL
55
$11.89
Quickshot Gasoline Treatment And Stabilizer In 8 Oz. Bottle By AMSOIL | AQSCN-EA
AMSOIL
198
$11.89
Quickshot Gasoline Treatment And Stabilizer In 8 Oz. Bottle By AMSOIL | AQSCN-EA
AMSOIL
198
$10.09
Power Service Diesel Fuel Supplement +Cetane Boost Fuel Additive 26-Ounce | 01026-12
FleetPride
131
$10.09
Power Service Diesel Fuel Supplement +Cetane Boost Fuel Additive 26-Ounce | 01026-12
FleetPride
131
$18.27
Engine Additives Engine Additive Type: Cleaner Container Size: 16 Oz
Exact Tooling
$18.27
Engine Additives Engine Additive Type: Cleaner Container Size: 16 Oz
Exact Tooling
$31.86
$50.98
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
topbraggrealtyus
37% off
$31.86
$50.98
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
topbraggrealtyus
$39.40
Marvel Mystery Oil Oil Additive: Motor Treatment, 1 Gal Container Size Model: MM14R
Grainger
590
$39.40
Marvel Mystery Oil Oil Additive: Motor Treatment, 1 Gal Container Size Model: MM14R
Grainger
590
$7.52
Marvel Mystery Oil Oil Additive: Motor Treatment, 16 Fl Oz Container Size Model: MM12R
Grainger
$7.52
Marvel Mystery Oil Oil Additive: Motor Treatment, 16 Fl Oz Container Size Model: MM12R
Grainger
$34.99
Liqui Moly Cera Tec Engine Oil Additive (300Ml Can) - Lm20002
GenRacer
$34.99
Liqui Moly Cera Tec Engine Oil Additive (300Ml Can) - Lm20002
GenRacer
$16.75
Engine Additives Engine Additive Type: Performance Container Size: 1
Exact Tooling
$16.75
Engine Additives Engine Additive Type: Performance Container Size: 1
Exact Tooling
$8.54
$8.99
Liqui-Moly 300Ml Liqui-Moly Mos2 Anti Friction Engine Treatment: Use This Anti-Friction Additive With Every Oil Change! It Is Great For Preventing ...
Turner Motorsport
$8.54
$8.99
Liqui-Moly 300Ml Liqui-Moly Mos2 Anti Friction Engine Treatment: Use This Anti-Friction Additive With Every Oil Change! It Is Great For Preventing ...
Turner Motorsport
$12.98
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 Oz
Walmart
8
$12.98
Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 Oz
Walmart
8
$157.25
Modern Spartan Systems TVT Engine/Vehicle Oil Additive 1 Gallon TVTGAL
Optics Planet
$157.25
Modern Spartan Systems TVT Engine/Vehicle Oil Additive 1 Gallon TVTGAL
Optics Planet
$22.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport
$22.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport
$47.81
1 Gal. Oil Additive
Northern Safety Co., Inc.
2
$47.81
1 Gal. Oil Additive
Northern Safety Co., Inc.
2
$13.43
Cycle Care Formulas - Formula B Engine Enhancer - 16 Oz. Net Wt. - Formula B Black/Silver Engine Enhancer - 44016
UtvNut
29
$13.43
Cycle Care Formulas - Formula B Engine Enhancer - 16 Oz. Net Wt. - Formula B Black/Silver Engine Enhancer - 44016
UtvNut
29
$102.26
LIQUI MOLY 300Ml Super Diesel Additive
Extreme Power House
$102.26
LIQUI MOLY 300Ml Super Diesel Additive
Extreme Power House
$32.99
Lucas Oil Products Heavy Duty Oil Stabilizer 1-Gallon | Stabilizer Oil Gallon Heavy Duty | 10002
FleetPride
368
$32.99
Lucas Oil Products Heavy Duty Oil Stabilizer 1-Gallon | Stabilizer Oil Gallon Heavy Duty | 10002
FleetPride
368
$6.12
Cycle Care Formulas - Formula B Engine Enhancer - 4 Oz. Net Wt. - Formula B Black/Silver Engine Enhancer - 44004
UtvNut
$6.12
Cycle Care Formulas - Formula B Engine Enhancer - 4 Oz. Net Wt. - Formula B Black/Silver Engine Enhancer - 44004
UtvNut
$5.99
STP Oil Treatment 15.73 Oz
Ace Hardware
870
$5.99
STP Oil Treatment 15.73 Oz
Ace Hardware
870
$35.99
Hot Shots Secret FR3 Oil Additive
Mark DeCola Diesel Performance LLC
$35.99
Hot Shots Secret FR3 Oil Additive
Mark DeCola Diesel Performance LLC
$9.46
Liqui Moly - Engine Oil Additive - 250Ml - Engine Flush Shooter - 20050
UtvNut
$9.46
Liqui Moly - Engine Oil Additive - 250Ml - Engine Flush Shooter - 20050
UtvNut
Best Oil Additive In 2025- Top 10 Oil Additives Review
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Best Oil Additive In 2025- Top 10 Oil Additives Review
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Best Oil Additive In 2025 - Top 10 Oil Additives Review
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Boost Your Engine's Lifespan with These 5 Best Oil Additives
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Boost Your Engine's Lifespan with These 5 Best Oil Additives
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YouTubeCar Care
10 Best Transmission Additives of 2025-2026 Reviews - Auto Mechanic Knows
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Aug 9, 2018
automechanicknows.com
Engine oil additives explained | Car engine oil explained | Castrol U.K.
3:09
Engine oil additives explained | Car engine oil explained | Castrol U.K.
58.9K viewsJul 22, 2021
YouTubeCastrol U.K.
Best Diesel Additive In 2025- Top 10 Diesel Additives Review
11:54
Best Diesel Additive In 2025- Top 10 Diesel Additives Review
6.8K viewsJan 24, 2022
YouTubeAuto Gear
Which engine oil additive is best?
Which engine oil additive is best?
May 2, 2013
bellperformance.com
7:23
Best Engine Oil Additives | Top 5 Engine Oil Additive Review
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Top 6 Best Oil Additives For Older Engines 2024
Feb 1, 2024
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7:37
Engine Oil Additives to Improve Engine Life
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Best Additive for Engine Oil in 2024 || Top 5 Engine Oil Additives for E…
5.2K viewsNov 28, 2023
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Top 5 Best Oil Additives Review in 2026
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27:32
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May 18, 2024
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Best Oil Additives In 2023 | Top 5 Oil Additives For Your Car
83.6K viewsFeb 27, 2023
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14:16
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86.7K viewsMay 4, 2017
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4:49
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15:23
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29.8K viewsJul 29, 2018
YouTubeDiamond Nanolube by BestLine Racing
19:04
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11.8K viewsAug 18, 2022
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1:26
TriboTex Nanoparticle Engine Oil Additive - Explained
32.9K viewsFeb 2, 2018
YouTubeTriboTEX
19:54
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The BEST ADDITIVES for Your Diesel Engine!
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YouTubeHalfords
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9.4K viewsDec 3, 2023
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May 5, 2022
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9:08
Top 10 Engine Additives That Actually Work and 5 That Don’t.
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16:45
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14:04
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YouTubeLubrication Explained
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2.6K viewsFeb 25, 2022
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✅ BEST Oil Burning Additive You Can Buy Right Now!
4.4K viewsAug 1, 2024
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See more videos
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Shop best engine additives

Sponsored
About our ads
$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
18% off
$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
$83.70
$98.13
Slick 50 Supercharged Synthetic Engine Treatment | 15 Oz., 6-Pack
Amazon.com
293
Free shipping
14% off
$83.70
$98.13
Slick 50 Supercharged Synthetic Engine Treatment | 15 Oz., 6-Pack
Amazon.com
293
$118.69
Tribotex Nano Oil Additive Car Engine Treatment: Add To Engine Lube - Makes High Mileage Cars Like New With A Synthetic Material (Treats One Regular
Amazon.com
1K+
Free shipping
$118.69
Tribotex Nano Oil Additive Car Engine Treatment: Add To Engine Lube - Makes High Mileage Cars Like New With A Synthetic Material (Treats One Regular
Amazon.com
1K+
$16.69
P.I. Performance Improver Gasoline Additive In 12 Oz. Bottle By AMSOIL | APICN-EA
AMSOIL
984
$16.69
P.I. Performance Improver Gasoline Additive In 12 Oz. Bottle By AMSOIL | APICN-EA
AMSOIL
984
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
767
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
767
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$8.99
$11.99
Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16
Advance Auto Parts
139
25% off
$8.99
$11.99
Sea Foam Motor Treatment Fuel And Oil Additive, For All Gas And Diesel Engines, 16 Oz., SF16
Advance Auto Parts
139
$87.87
1 Gallon Power Additive - Klotz Synthetic Nitro Power Additive | Klotz Synthetic Lubricants KL-640
Summit Racing
5
Free shipping
$87.87
1 Gallon Power Additive - Klotz Synthetic Nitro Power Additive | Klotz Synthetic Lubricants KL-640
Summit Racing
5
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, Compatible With All Motor Oils, 300 Ml, 20002
Advance Auto Parts
248
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, Compatible With All Motor Oils, 300 Ml, 20002
Advance Auto Parts
248
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
3K+
$101.46
LIQUI MOLY 300Ml Mos2 Anti-Friction Engine Treatment
Extreme Power House
$101.46
LIQUI MOLY 300Ml Mos2 Anti-Friction Engine Treatment
Extreme Power House
$50.39
Hot Shot's Secret HSS64Z: Hot Shot's Secret Stiction Eliminator Oil Additive
Summit Racing
3
$50.39
Hot Shot's Secret HSS64Z: Hot Shot's Secret Stiction Eliminator Oil Additive
Summit Racing
3
$24.64
32 Oz. Cetane Boost - VP Racing Madditive Cetanium Cetane Concentrate | VP Racing Fuels 2865
Summit Racing
1
$24.64
32 Oz. Cetane Boost - VP Racing Madditive Cetanium Cetane Concentrate | VP Racing Fuels 2865
Summit Racing
1
$33.13
$44.40
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
TekCypher.com
25% off
$33.13
$44.40
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
TekCypher.com
$10.64
Marvel Mystery Oil Oil Additive: Motor Treatment, 32 Fl Oz Container Size Model: MM13R
Grainger
1K+
$10.64
Marvel Mystery Oil Oil Additive: Motor Treatment, 32 Fl Oz Container Size Model: MM13R
Grainger
1K+
$38.19
Quickshot Gasoline Treatment And Stabilizer In A Quart Bottle By AMSOIL | AQSQT-EA
AMSOIL
55
$38.19
Quickshot Gasoline Treatment And Stabilizer In A Quart Bottle By AMSOIL | AQSQT-EA
AMSOIL
55
$11.89
Quickshot Gasoline Treatment And Stabilizer In 8 Oz. Bottle By AMSOIL | AQSCN-EA
AMSOIL
198
$11.89
Quickshot Gasoline Treatment And Stabilizer In 8 Oz. Bottle By AMSOIL | AQSCN-EA
AMSOIL
198
$10.09
Power Service Diesel Fuel Supplement +Cetane Boost Fuel Additive 26-Ounce | 01026-12
FleetPride
131
$10.09
Power Service Diesel Fuel Supplement +Cetane Boost Fuel Additive 26-Ounce | 01026-12
FleetPride
131