Best Power Steering Additives in 2025

Daisy
Last Updated: Oct 31, 2025

At a Glance: Our Top Picks for Power Steering Additives

Boating Accessories New Mercury Mercruiser Quicksilver OEM Part # 92-858075Q01 Fluid Tm/Str
#TOP1
Boating Accessories New Mercury Mercruiser Quicksilver Oem Part
9.9
PM SCORE
Prestone AS260-6PK Power Steering Fluid - 12 oz, (Pack of 6)
#TOP2
Prestone As260-6Pk Power Steering Fluid - 12 Oz,
9.8
PM SCORE
Genuine Mopar Fluid 5166226AA +4 Power Steering Fluid - 1 Pint - 68218064AA
#TOP3
Genuine Mopar Fluid 5166226Aa +4 Power Steering Fluid
9.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Power Steering Additives of 2025

Market Overview
Power Steering Additives Reviewed
  • Reviews Analyzed: 9301 Items
  • PM Avg. Rating: 8.0 / 10
17 Products Evaluated
  • Highest Price: $68.99
  • Lowest Price: $4.78
  • Avg. Price: $22.50

Boating Accessories New Mercury Mercruiser Quicksilver Oem Part # 92-858075Q01 Fluid Tm/Str

QUICKSILVER
858075Q01
4.00 X 3.00 X 8.00 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Superior quality, universal hydraulic fluid designed to mix with all hydraulic fluids in power trim and steering systems

Protects seals and hoses, and prevent foaming, oxidation and corrosion.

Prevents foaming

Helps combat oxidation and corrosion in power trim and steering systems

Recommended for all outboard and sterndrive applications except electric power steering systems

Manufacturer part number 858075Q01

Prestone As260-6Pk Power Steering Fluid - 12 Oz, (Pack Of 6)

PRESTONE
AS260-6PK
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Maintains smooth power steering operation

Anti-wear agents protect pump components

Seal conditioners protect and rejuvenate seals

Helps to stop pump squealing and prevent abnormal wear

Compatible with factory fluids

Genuine Mopar Fluid 5166226Aa +4 Power Steering Fluid - 1 Pint - 68218064Aa

GENUINE MOPAR
68218064AA
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 22.86 H x 6.858 L x 10.490 W (centimetres)

Flash point: 87.8

Country of Origin : United States

Package Weight: 0.885 kilograms

Prestone As262 Power Steering Fluid With Stop Leak - 12 Oz.

PRESTONE
AS262
2.00 X 3.00 X 8.00 Inches
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Keeps power-steering systems running smoothly and helps stop or reduce fluid loss caused by leaky seals

Formulated with high-quality oil and fortified with additives to revitalize dried, shrunken, and hardened seals

Developed for use in GM, Ford, Chrysler, and most foreign cars and light trucks

Anti-wear agents protect pump components

Corrosion inhibitors to protect metal components

#TOP5

Prestone As263-6Pk Power Steering Fluid With Stop Leak - 32 Oz, (Pack Of 6)

PRESTONE
AS263-6PK
2.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Polar Highlander 5.50

Features

Keeps power-steering systems running smoothly and helps stop or reduce fluid loss caused by leaky seals

Formulated with high-quality oil and fortified with additives to revitalize dried, shrunken, and hardened seals

Developed for use in GM, Ford, Chrysler, and most foreign cars and light trucks

Anti-wear agents protect pump components

Corrosion inhibitors to protect metal components

Idemitsu Psf Universal Power Steering Fluid For Asian Vehicles - 12 Oz.

IDEMITSU
30040106-97200C020
4.72 X 3.94 X 8.66 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Multi Brands 305 9.87

Features

Advanced formulation technology provides outstanding protection to the entire power steering system while delivering smooth performance under the most severe operating conditions

Unique friction technology provides efficient and noise-free operation

Superior low temperature performance for easy flow and protection against cavitation and elimination of "squawking" and "squealing"

Robust anti-wear and inhibitor chemistry provides enhanced component and fluid durability and long-life

Excellent compatibility with seals, gaskets and internal components to reduce the potential for leaks and ensures smooth performance over extended intervals

Quicksilver 858074Q01 Power Trim And Steering Fluid - 8 Oz. Bottle

QUICKSILVER
858074Q01
8.00 X 8.00 X 17.00 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Superior quality, universal hydraulic fluid designed to mix with all hydraulic fluids in power trim and steering systems

Protects seals and hoses, and prevent foaming, oxidation and corrosion.

Prevents foaming

Helps combat oxidation and corrosion in power trim and steering systems

Recommended for all outboard and sterndrive applications except electric power steering systems

Manufacturer part number 858074Q01

Royal Purple Roy01326 Max Ez Power Steering Fluid, 12 Ounce

ROYAL PURPLE
1326
1.50 X 3.25 X 8.25 Inches
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Multi Brands 305 9.88

Features

Advanced power steering fluid

Maximizes the life and performance of all power steering units

Proprietary Synerlec additive technology

Compatible and can be mixed with conventional power steering fluids

Prestone As269-6Pk Power Steering Fluid For Asian Vehicles - 12 Oz, (Pack Of 6)

PRESTONE
AS269-6PK
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Premium full-synthetic formulation specifically engineered for Asian vehicles

Provides protection against wear, foaming, and corrosion to maintain optimal performance

Designed for extreme temperatures while also providing excellent operation in low temperatures

Delivers excellent oxidative stability for extended fluid life

Engineered for Honda, Acura, Toyota, Lexus, and all other Asian-manufactured vehicles

Lucas Oil 10008 Power Steering Stop Leak - 12 Ounce

LUCAS OIL
10008
6.26 X 2.29 X 1.84 Inches
0.81 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Lucas, 12Oz, Power Steering Stop Leak, Removes Hard Spots And Stops Most Leaks Or Your Money Back! This Formula Is A Blend Of Special Oils And Petroleum Extracted Additives, Contains No Solvents And Is An Excellent Preventative Maintenance Product Of New Units

The unit is Complete Line Of Heavy-Duty Shop Product.

Through Creativity, Productivity And Innovation - This Brand Continues To Develop The Finest Automotive Accessories

Totally effective in reducing slack, squeals, and hard spots in worn rack and pinions.

Guaranteed to stop seal leaks

Stops rack and pinion problems

Very cost effective

Totally effective in reducing slack, squeals, and hard spots in worn rack and pinions.

Guaranteed to stop seal leaks

Stops rack and pinion problems

Very cost effective

Stp 17925 Power Steering Fluid & Stop Leak, 12 Fl. Oz.

STP
66046
8.23 X 2.51 X 2.51 Inches
0.77 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Pharmapacks_ 9.96

Features

Protects against wear and saves fluid with a unique 2-in-1 formula

Revitalizes dried, hardened and shrunken seals with a special conditioner

Helps protect against wear and pump breakdown

Compatible with all approved power steering fluids

To stop a leak or reduce fluid loss, use a minimum of 7 oz. per quart of power steering system - see owner's manual for capacity

Lucas Oil 10823-12 Power Steering Fluid, 12 Oz, (Case Of 12)

LUCAS OIL
10823-12
7.60 X 10.00 X 9.70 Inches
0.81 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
sa retail inc 9.65

Features

Lucas Power Steering Fluid With Conditioners Is Formulated With The Finest Base Oils And A Special Lucas Additive Package That Outperforms All Others, Providing Smooth, Quiet Operation While Conditioning Seals To Prevent Leaks

Package Dimensions: 25.654 L X 24.13 H X 19.304 W (Centimeters)

Product Type: Auto Accessory

Item Package Weight:9.75 Pounds

Sierra 18-9751-2 Power Trim And Steering Fluid

SIERRA INTERNATIONAL
18-9751-2
0.39 X 0.39 X 0.39 Inches
0.81 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LFS Marine & Outdoor 9.74

Features

Anti-foam additives assure uniform flow with reduced air contamination in hydraulic systems

Designed for heavy duty use at high operating pressures in applications subject to varied temperature rang

Provides proper lubrication and corrosion protection for internal hydraulic components

Designed to match rigorous quality standards

High quality at a budget-friendly price

Xado Maximum Diesel Truck Power Steering Booster Additive - Complex Hydraulic System Treatment

XADO
XA 42016
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
XADO TECH, LLC 9.86

Features

Power Steering Wheel Additive Fluid for Your Diesel Truck

Decreases Steering Force

Decreases Noise and Vibration of the Hydraulic System Pump

Restores Operating Surfaces of Parts and Compensates Their Current Wear

Increases Operating Precision of the Hydraulic Steering Booster Within 30-60 Miles After Application

Prestone As274-6Pk Synthetic Power Steering Fluid Stop Leak, 12 Oz, 6 Pack

PRESTONE
AS274-6PK
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Power steering stop leak

Contains additive technology that stops leaks by revitalizing dried, shrunken and hardened seals

Full-synthetic formulation delivers exceptional wear for longer fluid life

Compatible with all synthetic and conventional power steering and engine oil fluids

Liquid volume: 12 ounces, 6 pack

Lubegard 97209 Power Steering 2-Step System Pack

LUBEGARD
97209
2.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Safely removes deposits and impurities and prepares the steering system for new fluid

Conditions and revitalizes seals and components

Eliminates power steering noises and whines

May postpone or eliminate the need to replace power steering components

Eliminates rack and pinion steering stiffness

Rislone High Mileage Steering Stop Whine With Leak Repair

RISLONE
4604
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Stops Fluid Leaks

Renews worn rack & pinion; quiets noise

Fixes hard steering

Stabilizes power steering fluid

Excellent to use as a preventative maintenance product

Top 10 power steering additives Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Prestone 5
Lucas Oil 2
Quicksilver 2
Genuine Mopar 1
Idemitsu 1
Lubegard 1
Rislone 1
Royal Purple 1
Sierra International 1
Stp 1

Top 10 power steering additives Brands Pie Chart


We've carried out a comprehensive analysis of 9,301 reviews on power steering additives, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select power steering additives priced around $22.50, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 17 power steering additives for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right oils Products based on their needs, saving them considerable time when choosing which power steering additives to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.