Shop Best Additive for Gearboxes

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$87.15
$98.02
Motorkote MK-HL01G-04 Heavy Duty Hyper Lubricant, 1-Gallon, Single
Amazon.com
3K+
Free shipping
11% off
$87.15
$98.02
Motorkote MK-HL01G-04 Heavy Duty Hyper Lubricant, 1-Gallon, Single
Amazon.com
3K+
$24.38
Lubegard 63016 Platinum Universal ATF Protectant, 15 Oz.
Amazon.com
1K+
$24.38
Lubegard 63016 Platinum Universal ATF Protectant, 15 Oz.
Amazon.com
1K+
$45.03
$59.99
Bar's Leaks 1816 Differential Gear Repair, 16.9 Oz, Case Of 4
Amazon.com
489
Free shipping
24% off
$45.03
$59.99
Bar's Leaks 1816 Differential Gear Repair, 16.9 Oz, Case Of 4
Amazon.com
489
$34.34
Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
Amazon.com
1K+
$34.34
Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
Amazon.com
1K+
$128.98
Lucas Oil Motor Additive, Pure Synthetic Oil Stabilizer, Synthetic, 1 Gal Jug, Each
Amazon.com
3K+
Free shipping
$128.98
Lucas Oil Motor Additive, Pure Synthetic Oil Stabilizer, Synthetic, 1 Gal Jug, Each
Amazon.com
3K+
$52.70
$59.99
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel Engines
Amazon.com
1K+
Free shipping
12% off
$52.70
$59.99
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel Engines
Amazon.com
1K+
$149.28
$166.15
Yukon Friction Modifier Additive For Limited Slip/Posi - 12 Pack
eBay
Free shipping
10% off
$149.28
$166.15
Yukon Friction Modifier Additive For Limited Slip/Posi - 12 Pack
eBay
Free shipping
$314.74
Lubriplate Synthetic Worm Gear Lubricant
Santie Wholesale Oil Company
$314.74
Lubriplate Synthetic Worm Gear Lubricant
Santie Wholesale Oil Company
$126.99
LUBEGARD Automatic Transmission Fluid ATF Synthetic Additive Red 60902 12 Pack
Amazon.com
1
Free shipping
$126.99
LUBEGARD Automatic Transmission Fluid ATF Synthetic Additive Red 60902 12 Pack
Amazon.com
1
$36.74
Lucas Oil 10002 Heavy Duty Oil Stabilizer - 1 Gallon
Amazon.com
6K+
Free shipping
$36.74
Lucas Oil 10002 Heavy Duty Oil Stabilizer - 1 Gallon
Amazon.com
6K+
$79.99
Zmax 58-032 - Multi-Purpose Formula Treatment For Engine, Fuel, Transmission & Power Steering - Reduces Carbon Build-Up - Lubricates Metal - Improves
Amazon.com
464
Free shipping
$79.99
Zmax 58-032 - Multi-Purpose Formula Treatment For Engine, Fuel, Transmission & Power Steering - Reduces Carbon Build-Up - Lubricates Metal - Improves
Amazon.com
464
$149.43
$203.76
Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart (Pack Of 12)
Amazon.com
4
Free shipping
26% off
$149.43
$203.76
Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart (Pack Of 12)
Amazon.com
4
$120.95
Liqui Moly 20004 Hydraulic Lifter Additive 300Ml Engine Noise Reducer
eBay
108
$120.95
Liqui Moly 20004 Hydraulic Lifter Additive 300Ml Engine Noise Reducer
eBay
108
$26.99
Lubegard 40902 Bio/Tech Engine Oil Protectant, 32 Oz.
Amazon.com
400
$26.99
Lubegard 40902 Bio/Tech Engine Oil Protectant, 32 Oz.
Amazon.com
400
$71.94
Rislone 4405-6PK Hy-Per Lube Zinc ZDDP Supplement, 11 Oz, 6-Pack | Real ZDDP Zinc Additive
Amazon.com
2K+
Free shipping
$71.94
Rislone 4405-6PK Hy-Per Lube Zinc ZDDP Supplement, 11 Oz, 6-Pack | Real ZDDP Zinc Additive
Amazon.com
2K+
$65.95
REV-X Stiction Fix Oil Treatment - 4 Fl. Oz. (2 Pack)
Amazon.com
1K+
Free shipping
$65.95
REV-X Stiction Fix Oil Treatment - 4 Fl. Oz. (2 Pack)
Amazon.com
1K+
$24.99
Royal Purple Maxgear SAE 75W90 High Performance Gear Oil W/Friction Modifier Additive, 1 QT, 01300
Advance Auto Parts
1K+
$24.99
Royal Purple Maxgear SAE 75W90 High Performance Gear Oil W/Friction Modifier Additive, 1 QT, 01300
Advance Auto Parts
1K+
$30.35
$31.95
2X Liqui Moly Lubro Moly Anti Friction Mos2 Gear Treatment Additive
eBay
13
$30.35
$31.95
2X Liqui Moly Lubro Moly Anti Friction Mos2 Gear Treatment Additive
eBay
13
$15.99
K&W Trans-X« Posi Trac« Limited Slip Gear Oil Additive, 7 Fl. Oz, 402508
Advance Auto Parts
264
$15.99
K&W Trans-X« Posi Trac« Limited Slip Gear Oil Additive, 7 Fl. Oz, 402508
Advance Auto Parts
264
$18.99
6 Oz. Gear Lube - Auburn Gear Limited Slip Oil Additive | Auburn Gear, Inc. 504102
Summit Racing
18
$18.99
6 Oz. Gear Lube - Auburn Gear Limited Slip Oil Additive | Auburn Gear, Inc. 504102
Summit Racing
18
$14.95
16 Oz. Lubricant - Power Plus Top Lube | Power Plus Lubricants 19769-31
Summit Racing
8
$14.95
16 Oz. Lubricant - Power Plus Top Lube | Power Plus Lubricants 19769-31
Summit Racing
8
$12.29
Rislone Zinc ZDDP Supplement, 11 Oz, 4405
Advance Auto Parts
1K+
$12.29
Rislone Zinc ZDDP Supplement, 11 Oz, 4405
Advance Auto Parts
1K+
$18.07
Lube Gard Products 67010 Lubegard Cvt Recharge & Protect 10 Oz.
Walmart
5
$18.07
Lube Gard Products 67010 Lubegard Cvt Recharge & Protect 10 Oz.
Walmart
5
$22.00
Liqui Moly 20004 Hydraulic Lifter Additive 300 Ml
Walmart
1
$22.00
Liqui Moly 20004 Hydraulic Lifter Additive 300 Ml
Walmart
1
$48.96
Intella 00589367543 OIL- LIMITED SLIP ADDITIVE 4OZ
Intella Parts Company
$48.96
Intella 00589367543 OIL- LIMITED SLIP ADDITIVE 4OZ
Intella Parts Company
$42.53
Anti-Squawk / Anti-Shudder Additive, Gear And Transmissions 16 Ounce Lucas Oil 10599
Etsy
4K+
$42.53
Anti-Squawk / Anti-Shudder Additive, Gear And Transmissions 16 Ounce Lucas Oil 10599
Etsy
4K+
$15.12
Sea Foam 16 Ounce Tt-16 Trans Tune Transmission Additive-16 Oz
Walmart
3
$15.12
Sea Foam 16 Ounce Tt-16 Trans Tune Transmission Additive-16 Oz
Walmart
3
$10.49
Liqui-Moly Liqui Moly Mos2 Anti Friction Additive For Manual Transmission / Differential: Looking To Prevent Your Manual Transmission Or ...
Turner Motorsport
491
$10.49
Liqui-Moly Liqui Moly Mos2 Anti Friction Additive For Manual Transmission / Differential: Looking To Prevent Your Manual Transmission Or ...
Turner Motorsport
491
$46.00
Gearbox Oil For Maintenance - Reducer Oil 1L
Tilmor
$46.00
Gearbox Oil For Maintenance - Reducer Oil 1L
Tilmor
$21.99
ATP Automotive AT-205: ATP Re-Seal Additive
Summit Racing
130
$21.99
ATP Automotive AT-205: ATP Re-Seal Additive
Summit Racing
130
$19.99
Hot Shot's Secret EVERYDAY DIESEL TREATMENT 6-In-1 Fuel Booster - 16 OZ SQUEEZE
D&J Precision Machine
7K+
$19.99
Hot Shot's Secret EVERYDAY DIESEL TREATMENT 6-In-1 Fuel Booster - 16 OZ SQUEEZE
D&J Precision Machine
7K+
$4.46
Liqui Moly Speed Additive Shooter | 80 Ml | 20140
Chaparral Motorsports
15
$4.46
Liqui Moly Speed Additive Shooter | 80 Ml | 20140
Chaparral Motorsports
15
$15.50
Liqui-Moly ATF Additive - 250Ml: Can Be Added To The Power Steering Reservoir Or Automatic Transmission
Turner Motorsport
19
$15.50
Liqui-Moly ATF Additive - 250Ml: Can Be Added To The Power Steering Reservoir Or Automatic Transmission
Turner Motorsport
19
$35.67
Lucas Hydraulic Oil Additive Booster | 10018
Peterbilt Parts
$35.67
Lucas Hydraulic Oil Additive Booster | 10018
Peterbilt Parts
$15.99
Lucas Oil Synthetic SAE 75W-90 Gear Oil, Trans & Diff Lube, 1 Quart
Hydraulic Cylinders
$15.99
Lucas Oil Synthetic SAE 75W-90 Gear Oil, Trans & Diff Lube, 1 Quart
Hydraulic Cylinders
$10.99
Stanadyne Lubricity Fuel Additive - 16Oz: Ideal For Very Dry Or "Winter Blend" Fuels Such As 1 Diesel For Porsche, Mercedes Benz, Audi, BMW, VW
ECS Tuning
8
$10.99
Stanadyne Lubricity Fuel Additive - 16Oz: Ideal For Very Dry Or "Winter Blend" Fuels Such As 1 Diesel For Porsche, Mercedes Benz, Audi, BMW, VW
ECS Tuning
8
Best Transmission Additive For Slipping, Sticking Valves, Shudder & More
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10 Best Transmission Additives of 2025 Reviews - Auto Mechanic Knows
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Aug 9, 2018
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The 8 Best Gear Oil For Limited Slip Differentials In 2023
The 8 Best Gear Oil For Limited Slip Differentials In 2023
Aug 31, 2021
carfluidpro.com
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Machine Lubrication Best Practices | ACOEM
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Understanding Gears: Speed Vs. Torque
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Shop Best Additive for Gearboxes

Sponsored
About our ads
$87.15
$98.02
Motorkote MK-HL01G-04 Heavy Duty Hyper Lubricant, 1-Gallon, Single
Amazon.com
3K+
Free shipping
11% off
$87.15
$98.02
Motorkote MK-HL01G-04 Heavy Duty Hyper Lubricant, 1-Gallon, Single
Amazon.com
3K+
$24.38
Lubegard 63016 Platinum Universal ATF Protectant, 15 Oz.
Amazon.com
1K+
$24.38
Lubegard 63016 Platinum Universal ATF Protectant, 15 Oz.
Amazon.com
1K+
$45.03
$59.99
Bar's Leaks 1816 Differential Gear Repair, 16.9 Oz, Case Of 4
Amazon.com
489
Free shipping
24% off
$45.03
$59.99
Bar's Leaks 1816 Differential Gear Repair, 16.9 Oz, Case Of 4
Amazon.com
489
$34.34
Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
Amazon.com
1K+
$34.34
Hot Shot's Secret - HSSTSE32Z Shift Restore Automatic Transmission Additive 32 Fluid Ounce Bottle
Amazon.com
1K+
$128.98
Lucas Oil Motor Additive, Pure Synthetic Oil Stabilizer, Synthetic, 1 Gal Jug, Each
Amazon.com
3K+
Free shipping
$128.98
Lucas Oil Motor Additive, Pure Synthetic Oil Stabilizer, Synthetic, 1 Gal Jug, Each
Amazon.com
3K+
$52.70
$59.99
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel Engines
Amazon.com
1K+
Free shipping
12% off
$52.70
$59.99
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel Engines
Amazon.com
1K+
$149.28
$166.15
Yukon Friction Modifier Additive For Limited Slip/Posi - 12 Pack
eBay
Free shipping
10% off
$149.28
$166.15
Yukon Friction Modifier Additive For Limited Slip/Posi - 12 Pack
eBay
Free shipping
$314.74
Lubriplate Synthetic Worm Gear Lubricant
Santie Wholesale Oil Company
$314.74
Lubriplate Synthetic Worm Gear Lubricant
Santie Wholesale Oil Company
$126.99
LUBEGARD Automatic Transmission Fluid ATF Synthetic Additive Red 60902 12 Pack
Amazon.com
1
Free shipping
$126.99
LUBEGARD Automatic Transmission Fluid ATF Synthetic Additive Red 60902 12 Pack
Amazon.com
1
$36.74
Lucas Oil 10002 Heavy Duty Oil Stabilizer - 1 Gallon
Amazon.com
6K+
Free shipping
$36.74
Lucas Oil 10002 Heavy Duty Oil Stabilizer - 1 Gallon
Amazon.com
6K+
$79.99
Zmax 58-032 - Multi-Purpose Formula Treatment For Engine, Fuel, Transmission & Power Steering - Reduces Carbon Build-Up - Lubricates Metal - Improves
Amazon.com
464
Free shipping
$79.99
Zmax 58-032 - Multi-Purpose Formula Treatment For Engine, Fuel, Transmission & Power Steering - Reduces Carbon Build-Up - Lubricates Metal - Improves
Amazon.com
464
$149.43
$203.76
Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart (Pack Of 12)
Amazon.com
4
Free shipping
26% off
$149.43
$203.76
Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart (Pack Of 12)
Amazon.com
4
$120.95
Liqui Moly 20004 Hydraulic Lifter Additive 300Ml Engine Noise Reducer
eBay
108
$120.95
Liqui Moly 20004 Hydraulic Lifter Additive 300Ml Engine Noise Reducer
eBay
108
$26.99
Lubegard 40902 Bio/Tech Engine Oil Protectant, 32 Oz.
Amazon.com
400
$26.99
Lubegard 40902 Bio/Tech Engine Oil Protectant, 32 Oz.
Amazon.com
400
$71.94
Rislone 4405-6PK Hy-Per Lube Zinc ZDDP Supplement, 11 Oz, 6-Pack | Real ZDDP Zinc Additive
Amazon.com
2K+
Free shipping
$71.94
Rislone 4405-6PK Hy-Per Lube Zinc ZDDP Supplement, 11 Oz, 6-Pack | Real ZDDP Zinc Additive
Amazon.com
2K+
$65.95
REV-X Stiction Fix Oil Treatment - 4 Fl. Oz. (2 Pack)
Amazon.com
1K+
Free shipping
$65.95
REV-X Stiction Fix Oil Treatment - 4 Fl. Oz. (2 Pack)
Amazon.com
1K+
$24.99
Royal Purple Maxgear SAE 75W90 High Performance Gear Oil W/Friction Modifier Additive, 1 QT, 01300
Advance Auto Parts
1K+
$24.99
Royal Purple Maxgear SAE 75W90 High Performance Gear Oil W/Friction Modifier Additive, 1 QT, 01300
Advance Auto Parts
1K+
$30.35
$31.95
2X Liqui Moly Lubro Moly Anti Friction Mos2 Gear Treatment Additive
eBay
13
$30.35
$31.95
2X Liqui Moly Lubro Moly Anti Friction Mos2 Gear Treatment Additive
eBay
13