Shop auto engine oil additives

Sponsored
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$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$89.90
Lubetrek® GT Metal Anti-Friction Conditioner & Restorer - Engine Treatment & Oil Additive For High-Mileage Cars - Reduces Friction, Stops Oil Burning,
Amazon.com
Free shipping
$89.90
Lubetrek® GT Metal Anti-Friction Conditioner & Restorer - Engine Treatment & Oil Additive For High-Mileage Cars - Reduces Friction, Stops Oil Burning,
Amazon.com
Free shipping
$18.99
$21.99
Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
Amazon.com
2K+
13% off
$18.99
$21.99
Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
Amazon.com
2K+
$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+
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
In store
15% Off*
Curbside
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
15% Off*
$147.52
True Brand Engine Max Treatment & Oil Stabilizer
Santie Wholesale Oil Company
$147.52
True Brand Engine Max Treatment & Oil Stabilizer
Santie Wholesale Oil Company
$16.99
Lucas Oil Products Heavy Duty Oil Stabilizer: Extends Engine Life, 1 Quart, 10001
Advance Auto Parts
In store
15% Off*
Curbside
$16.99
Lucas Oil Products Heavy Duty Oil Stabilizer: Extends Engine Life, 1 Quart, 10001
Advance Auto Parts
15% Off*
$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+
$5.99
STP Oil Treatment - High-Viscosity Formula Formulated For High-Mileage Engines, 66079
Advance Auto Parts
In store
15% Off*
Curbside
$5.99
STP Oil Treatment - High-Viscosity Formula Formulated For High-Mileage Engines, 66079
Advance Auto Parts
15% Off*
$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+
$24.31
$28.28
Lucas Motor Oil Additive - Heavy Duty Oil Stabilizer - Synthetic - 1 Qt - Each
Sparktec Motorsports
3K+
14% off
$24.31
$28.28
Lucas Motor Oil Additive - Heavy Duty Oil Stabilizer - Synthetic - 1 Qt - Each
Sparktec Motorsports
3K+
$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
$241.95
Wynn's Engine Oil Stop Leak Motor Oil Leak Stop Additive Oil
eBay
Free shipping
$241.95
Wynn's Engine Oil Stop Leak Motor Oil Leak Stop Additive Oil
eBay
Free shipping
$9.92
$30.09
Car Oil Additive Anti-Friction Reduce Oil Consumption Protect The Engine Additive Eliminate Keep
Aliexpress
Free shipping
67% off
$9.92
$30.09
Car Oil Additive Anti-Friction Reduce Oil Consumption Protect The Engine Additive Eliminate Keep
Aliexpress
Free shipping
$16.49
Lucas Oil H/D Oil Stabilizer, 1 Quart
Hydraulic Cylinders
$16.49
Lucas Oil H/D Oil Stabilizer, 1 Quart
Hydraulic Cylinders
$12.99
$17.99
Eastwood 4Oz. ZDDP Oil Additive
CJ Pony Parts
13
27% off
$12.99
$17.99
Eastwood 4Oz. ZDDP Oil Additive
CJ Pony Parts
13
$31.00
HKS ADD-II Engine Oil Additive
Evasive Motor Sports
5
$31.00
HKS ADD-II Engine Oil Additive
Evasive Motor Sports
5
$10.09
$11.09
JEGS Break-In/Engine Oil Supplement [12 Oz. Bottle]
JEGS High Performance
90-day returns (most items)
$10.09
$11.09
JEGS Break-In/Engine Oil Supplement [12 Oz. Bottle]
JEGS High Performance
90-day returns
$7.17
Engine Oil Leak Sealer 120Ml Lubrication Motor Oil Additive Stop Leak Sealing Liquid Oil Stop Leak
Aliexpress
$7.17
Engine Oil Leak Sealer 120Ml Lubrication Motor Oil Additive Stop Leak Sealing Liquid Oil Stop Leak
Aliexpress
$32.99
One Gallon Lucas Heavy-Duty Oil Stabilizer - Motor Oil Additive | Lucas Oil 10002-1
Summit Racing
511
$32.99
One Gallon Lucas Heavy-Duty Oil Stabilizer - Motor Oil Additive | Lucas Oil 10002-1
Summit Racing
511
$31.00
HKS ADD-II Engine Oil Additive 200Ml
Berry Performance Sales Ads
5
$31.00
HKS ADD-II Engine Oil Additive 200Ml
Berry Performance Sales Ads
5
$1.68
$3.36
Oil Additive For Car Engine 60Ml Car Engines Oil Additive Oil Tank Cleaner Engine Flush Cleaner
Aliexpress
50% off
$1.68
$3.36
Oil Additive For Car Engine 60Ml Car Engines Oil Additive Oil Tank Cleaner Engine Flush Cleaner
Aliexpress
$12.99
$17.99
Eastwood 4 Oz. ZDDP Oil Additive
Classic Muscle Parts
13
27% off
$12.99
$17.99
Eastwood 4 Oz. ZDDP Oil Additive
Classic Muscle Parts
13
$474.59
Hot Shot's Secret HSSFR305G: Hot Shot's Secret FR3 Oil Additive
Summit Racing
Free shipping
$474.59
Hot Shot's Secret HSSFR305G: Hot Shot's Secret FR3 Oil Additive
Summit Racing
Free shipping
$54.79
$82.19
Lucas 10063 Engine Break-In Oil Additive
hardclikk.com
33% off
$54.79
$82.19
Lucas 10063 Engine Break-In Oil Additive
hardclikk.com
$15.24
Lucas - Engine Break-In Oil Additive 16Oz - 10063
UtvNut
$15.24
Lucas - Engine Break-In Oil Additive 16Oz - 10063
UtvNut
$22.27
$25.97
Lucas Break-In Oil Additive W/ Zinc
Sparktec Motorsports
1
14% off
$22.27
$25.97
Lucas Break-In Oil Additive W/ Zinc
Sparktec Motorsports
1
$20.91
TKO Engine Oil Treatment 1 Pint
americanvaluesproducts.com
30-day returns (most items)
$20.91
TKO Engine Oil Treatment 1 Pint
americanvaluesproducts.com
30-day returns
$56.98
$76.92
Bluengine Lubricant Treatment: Nanotechnology Engine Oil Additive - 260Ml
vyroqi.com
25% off
$56.98
$76.92
Bluengine Lubricant Treatment: Nanotechnology Engine Oil Additive - 260Ml
vyroqi.com
$33.13
$44.40
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
shedfriends
25% off
$33.13
$44.40
Tribotex Small Oil Additive Engine Treatment: Add To Engine Oil - Makes High New
shedfriends
$17.70
Camguard Auto Oil Additive 8Oz
AircraftSpruce.com
$17.70
Camguard Auto Oil Additive 8Oz
AircraftSpruce.com
$50.39
Hot Shot's Secret HSS64Z: Hot Shot's Secret Stiction Eliminator Oil Additive
Summit Racing
$50.39
Hot Shot's Secret HSS64Z: Hot Shot's Secret Stiction Eliminator Oil Additive
Summit Racing
$119.99
Bestline Racing Engine Oil Treatment Made In The Usa -Diamond
eBay
Free shipping
$119.99
Bestline Racing Engine Oil Treatment Made In The Usa -Diamond
eBay
Free shipping
$22.71
E-Zoil H15-16 H.O.T. Shot Heating Oil Treatment Automotive Additive, 16 Oz
Walmart
Free shipping
$22.71
E-Zoil H15-16 H.O.T. Shot Heating Oil Treatment Automotive Additive, 16 Oz
Walmart
Free shipping
$10.98
Lucas Oil Products 16 Fluid Ounce(S) Engine Treatment | LUCA10016
Lowe's
$10.98
Lucas Oil Products 16 Fluid Ounce(S) Engine Treatment | LUCA10016
Lowe's
$38.00
Prolube Oil Treatment 16 Oz - Engine Oil Additive For Gas & Diesel
eBay
Free shipping
$38.00
Prolube Oil Treatment 16 Oz - Engine Oil Additive For Gas & Diesel
eBay
Free shipping
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    Shop auto engine oil additives

    Sponsored
    About our ads
    $10.99
    Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
    Overton's
    5K+
    $10.99
    Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
    Overton's
    5K+
    $89.90
    Lubetrek® GT Metal Anti-Friction Conditioner & Restorer - Engine Treatment & Oil Additive For High-Mileage Cars - Reduces Friction, Stops Oil Burning,
    Amazon.com
    Free shipping
    $89.90
    Lubetrek® GT Metal Anti-Friction Conditioner & Restorer - Engine Treatment & Oil Additive For High-Mileage Cars - Reduces Friction, Stops Oil Burning,
    Amazon.com
    Free shipping
    $18.99
    $21.99
    Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
    Amazon.com
    2K+
    13% off
    $18.99
    $21.99
    Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
    Amazon.com
    2K+
    $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+
    $32.99
    LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
    Advance Auto Parts
    In store
    15% Off*
    Curbside
    $32.99
    LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
    Advance Auto Parts
    15% Off*
    $147.52
    True Brand Engine Max Treatment & Oil Stabilizer
    Santie Wholesale Oil Company
    $147.52
    True Brand Engine Max Treatment & Oil Stabilizer
    Santie Wholesale Oil Company
    $16.99
    Lucas Oil Products Heavy Duty Oil Stabilizer: Extends Engine Life, 1 Quart, 10001
    Advance Auto Parts
    In store
    15% Off*
    Curbside
    $16.99
    Lucas Oil Products Heavy Duty Oil Stabilizer: Extends Engine Life, 1 Quart, 10001
    Advance Auto Parts
    15% Off*
    $19.49
    Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
    D&J Precision Machine
    3K+
    30-day returns (most items)
    $19.49
    Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
    D&J Precision Machine
    3K+
    $5.99
    STP Oil Treatment - High-Viscosity Formula Formulated For High-Mileage Engines, 66079
    Advance Auto Parts
    In store
    15% Off*
    Curbside
    $5.99
    STP Oil Treatment - High-Viscosity Formula Formulated For High-Mileage Engines, 66079
    Advance Auto Parts
    15% Off*
    $59.99
    Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
    D&J Precision Machine
    3K+
    30-day returns (most items)
    $59.99
    Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
    D&J Precision Machine
    3K+
    $24.31
    $28.28
    Lucas Motor Oil Additive - Heavy Duty Oil Stabilizer - Synthetic - 1 Qt - Each
    Sparktec Motorsports
    3K+
    14% off
    $24.31
    $28.28
    Lucas Motor Oil Additive - Heavy Duty Oil Stabilizer - Synthetic - 1 Qt - Each
    Sparktec Motorsports
    3K+
    $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
    $241.95
    Wynn's Engine Oil Stop Leak Motor Oil Leak Stop Additive Oil
    eBay
    Free shipping
    $241.95
    Wynn's Engine Oil Stop Leak Motor Oil Leak Stop Additive Oil
    eBay
    Free shipping
    $9.92
    $30.09
    Car Oil Additive Anti-Friction Reduce Oil Consumption Protect The Engine Additive Eliminate Keep
    Aliexpress
    Free shipping
    67% off
    $9.92
    $30.09
    Car Oil Additive Anti-Friction Reduce Oil Consumption Protect The Engine Additive Eliminate Keep
    Aliexpress
    Free shipping
    $16.49
    Lucas Oil H/D Oil Stabilizer, 1 Quart
    Hydraulic Cylinders
    $16.49
    Lucas Oil H/D Oil Stabilizer, 1 Quart
    Hydraulic Cylinders
    $12.99
    $17.99
    Eastwood 4Oz. ZDDP Oil Additive
    CJ Pony Parts
    13
    60-day returns (most items)
    27% off
    $12.99
    $17.99
    Eastwood 4Oz. ZDDP Oil Additive
    CJ Pony Parts
    13
    $31.00
    HKS ADD-II Engine Oil Additive
    Evasive Motor Sports
    5
    14-day returns (most items)
    $31.00
    HKS ADD-II Engine Oil Additive
    Evasive Motor Sports
    5
    $10.09
    $11.09
    JEGS Break-In/Engine Oil Supplement [12 Oz. Bottle]
    JEGS High Performance
    90-day returns (most items)
    $10.09
    $11.09
    JEGS Break-In/Engine Oil Supplement [12 Oz. Bottle]
    JEGS High Performance
    90-day returns