2003 Lexus RX300 Suspension Parts
Find Your Specific 2003 Lexus RX300 Suspension Parts
Below you will find various in-demand Lexus Suspension Parts, components and accessories for your 2003 RX300. Advance Auto Parts has popular RX300 parts like Coil and Leaf Springs, Air Suspension and Kits, Shocks and Struts and more. You’ll also find aftermarket and OEM Suspension Parts for other RX300 model years including
1999,
2000,
2001,
2002 and more. Select a category of 2003 Lexus RX300 Suspension Parts below and start saving instantly.
Popular 2003 Lexus RX300 Suspension Parts Categories
Essential Suspension Parts for 2003 Lexus RX300s
Energy Suspension – CntrlArmBshngKt (Part No.8.3129R)
from
$143.99
CntrlArmBshngKt
MOOG – Rear Suspension Trailing Arm (Part No.RK643094)
from
$49.49
Product Features:
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- EASY TO INSTALL – Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box
- HIGHLY PRECISE ENGINEERING – Optimized bushings for quiet operation and resistance to wear, salt, road grime and oils
- COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
Dorman – Suspension Trailing Arm (Part No.521-911)
from
$106.99
Engineered for passenger safety and rigorously tested for secure performance, this trailing arm was designed as a direct replacement for your vehicle’s original part. Industry-leading evaluation process ensures smooth ride and predictable handling.
Product Features:
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Product Features:
- Direct replacement – this suspension trailing arm fits and functions like the original equipment part
- Quality construction – manufactured from same materials as original equipment for safety and reliability
- Durable – protective finish for long-lasting corrosion resistance
- Quality tested – has undergone testing to ensure proper fit and performance
Rare Parts – Spring Seat (Part No.RP52753)
from
$42.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Restores vehicle handling
- Reduces road noise
- Reduces vibration
- UV resistant
Monroe – Strut-Mate Upper Suspension Coil Spring Seat (Part No.909942)
from
$20.79
Every new strut deserves a Monroe Strut-Mate Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.
Product Features:
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Product Features:
- PERFECT PAIRING – Ideal match for the ride control characteristics of Monroe struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
- REDUCES NOISE AND VIBRATION – Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
- REPLACES OE – Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
- RIGOROUS TESTING – Fit checked and ride tested for quality you can count on
- EASY TO INSTALL – Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
Driveworks – STRUT BOOT KIT (Part No.DW-K90460)
from
$12.29
Designed to meet or exceeds OE performance specifications.
Product Features:
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Product Features:
- Designed to meet or exceeds OE performance specifications
- Durable neoprene rubber
KYB – Jounce Bumper and Bellows (Part No.SB101)
from
$21.99
KYB Strut Boot Kits keep your struts protected from dirt, dust, sand, salt and other road debris. These harmful elements cause abrasive wear to the polished shaft, upper seal and bushing. KYB Strut Boot Kits prevent these contaminants from entering the strut by covering the entire strut shaft in a highly durable plastic bellows. This can easily extend the life of the strut. The KYB Strut Boot Kit includes a poly foam travel-limiting bumper. Its designed to protect the strut from bottoming out and protects other components from extreme movement damage.
Product Features:
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Product Features:
- Superior Quality Boot Helps Protect The Strut Shaft From Leak-Causing Dirt And Debris
- Poly Foam Bumper Prevents The Strut From Bottoming Out
- Built With Design And Quality That Matches Or Exceeds One
- Protects The Upper Seal And Bushing
Suncore – Quick Strut Kit (Part No.2-55S11477-001)
from
$309.99
Quick Strut Kit
PRT – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.815394)
from
$213.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.
Product Features:
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Product Features:
- Nuts and Bolt: SAE Standard Grade
- Bump Stop: Developed from urethane rubber for extended life. Absorbs road impact and prevents other component damage for smoother drive. ( Where applicable)
- Coil Spring: Manufactured with high quality grade carbon steel, heat treated, stress relieved, fully cycled and salt-spray tested for a professional performance.
- Spring Isolator: Prevents metal to metal contact and acts to help prevent noise between the spring and spring seat. ( Where applicable)
- Outer Tube: Long-lasting corrosion and rust protection.
- Piston Rod: Well-finished chromed piston rod ensures proper seal lubrication, consistent wear surface, and inhibits corrosion. The resistance is superior to commercial standards and quality meets OE requirements.
- Top Mount: Premium Quality rubber-steel assembly, fully tested for long durability.
- Bearing: OEM Quality bearing, designed with low starting torque to ensure smooth steering, tested under extreme load conditions to ensure optimal performance and long life. ( Where applicable)
- Oil Seal: Premium Double- Lip NOK seal, fabricated with high quality rubber.
- Overall Features & Benefits: Pre-assembled strut saves time and money on installation. Application tuned technology for smoother, safer and more stable ride. No special equipment or special parts needed for installation.
Dorman – Suspension Control Arm (Part No.521-910)
from
$102.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
MOOG – Suspension Control Arm (Part No.RK641863)
from
$68.99
Product Features:
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- EASY TO INSTALL – Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box
- HIGHLY PRECISE ENGINEERING – Optimized bushings for quiet operation and resistance to wear, salt, road grime and oils
- COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
- Construction and design validated by MOOG engineers
- Broad coverage for foreign and domestic applications
Rare Parts – STRUT PLATE W/O BRG (Part No.RP53209)
from
$167.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Restore Strut pivot ability.
Rare Parts – Strut Mount (Part No.RP18906)
from
$94.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Prevents tire noise and vibration
Suncore – Quick Strut Kit (Part No.2-55S15907-001)
from
$239.99
Quick Strut Kit
Carquest Premium – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.18-817036)
from
$217.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.
Product Features:
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Product Features:
- Pre-assembled with all new strut, bearing plate, coil spring, dust cover and spring seat
- Struts feature application-specific technology with exact strut valving and tuning for smoother, safer and more stable ride
- Springs are built with U.S. grade steel and designed to match factory ride height and performance
- OE quality strut mount, bearing plate and brackets
- Complete strut assembly is extensively tested for functionality and durability
- Built with a micro-smooth, chrome-plated piston rod
Suncore – Quick Strut (Part No.55S15907)
from
$124.99
Quick Strut
PRT – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.817036)
from
$227.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.
Product Features:
See More
Product Features:
- Nuts and Bolt: SAE Standard Grade
- Bump Stop: Developed from urethane rubber for extended life. Absorbs road impact and prevents other component damage for smoother drive. ( Where applicable)
- Coil Spring: Manufactured with high quality grade carbon steel, heat treated, stress relieved, fully cycled and salt-spray tested for a professional performance.
- Spring Isolator: Prevents metal to metal contact and acts to help prevent noise between the spring and spring seat. ( Where applicable)
- Outer Tube: Long-lasting corrosion and rust protection.
- Piston Rod: Well-finished chromed piston rod ensures proper seal lubrication, consistent wear surface, and inhibits corrosion. The resistance is superior to commercial standards and quality meets OE requirements.
- Top Mount: Premium Quality rubber-steel assembly, fully tested for long durability.
- Bearing: OEM Quality bearing, designed with low starting torque to ensure smooth steering, tested under extreme load conditions to ensure optimal performance and long life. ( Where applicable)
- Oil Seal: Premium Double- Lip NOK seal, fabricated with high quality rubber.
- Overall Features & Benefits: Pre-assembled strut saves time and money on installation. Application tuned technology for smoother, safer and more stable ride. No special equipment or special parts needed for installation.
Monroe – Strut-Mate Suspension Strut Mount (Part No.903906)
from
$78.99
Every new strut deserves a Monroe Strut-Mate Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.
Product Features:
See More
Product Features:
- PERFECT PAIRING – Ideal match for the ride control characteristics of Monroe struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
- REDUCES NOISE AND VIBRATION – Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
- REPLACES OE – Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
- RIGOROUS TESTING – Fit checked and ride tested for quality you can count on
- EASY TO INSTALL – Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
Monroe – Strut-Mate Suspension Strut Mount (Part No.903903)
from
$78.99
Every new strut deserves a Monroe Strut-Mate Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.
Product Features:
See More
Product Features:
- PERFECT PAIRING – Ideal match for the ride control characteristics of Monroe struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
- REDUCES NOISE AND VIBRATION – Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
- REPLACES OE – Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
- RIGOROUS TESTING – Fit checked and ride tested for quality you can count on
- EASY TO INSTALL – Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
Rare Parts – Spring Seat Insulator (Part No.RP53175)
from
$38.49
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
See More
Product Features:
- Restores vehicle handling
- Reduces road noise
- Reduces vibration
- UV resistant
Rare Parts – Spring Seat Insulator (Part No.RP53041)
from
$129.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Reduces vibration
- Reduces road noise
- UV resistant
- No Squeak
Monroe – Strut-Mate Front; Rear Suspension Strut Bumper and Bellows Kit (Part No.63631)
from
$48.99
Designed to protect the strut, the Monroe Strut-Mate Boot Kit is the perfect replacement for a damaged jounce bumper or boot. Heavy-duty construction and unique design features make it the ideal choice for maximum rod protection and improved strut life.
Product Features:
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Product Features:
- REPLACES DAMAGED JOUNCE BUMPER OR BOOT – Avoid premature strut failure by replacing missing or damaged strut components
- PROTECTS PISTON ROD – Protects piston rod finish from rust and corrosion and helps reduce oil leakage
- KEEPS MOISTURE AND DIRT OUT – Self-draining design eliminates retention of moisture and other unwanted debris
- ENHANCES STRUT LIFE – Delivers protection from severe suspension movement to improve strut durability
- PERFECT PAIRING – Ideal match to protect strut rods, replace all worn strut components with quality Monroe struts (sold separately) for a complete four-corner ride control upgrade
- EASY TO INSTALL – Direct fit OE replacement with firm friction connection that helps keep the boot in place
- BUILT TO LAST – Soft-entry jounce bumper made of closed cell, micro-cellular urethane for maximum durability and to help reduce severe impacts
MOOG – Strut Bellows (Part No.K90460)
from
$36.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.
Product Features:
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Product Features:
- Easy to install
- Restores like-new steering and handling
- Construction and design validated by MOOG engineers
- Engineered to meet or exceed OE requirements
- Incorporates proven design and engineering features
Dorman – Suspension Knuckle Bushing (Part No.905-521)
from
$62.99
This suspension knuckle bushing is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Rare Parts – Knuckle Bushing (Part No.RP22574)
from
$134.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Reduces vibration
- Torsional rubber bushings
- UV resistant
- No Squeak
Upgrade your 2003 Lexus RX300 with Top-Quality Suspension Parts
When it comes to maintaining or upgrading your 2003 Lexus RX300, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Lexus or enhancing its overall performance, Suspension Parts are key to keeping your RX300 functioning at its best. At Advance Auto Parts, we offer a wide selection of 46 Suspension Parts for the 2003 Lexus RX300, designed to meet your needs without breaking the bank.
From
Coil and Leaf Spring
replacements to
Air Suspension and Kits
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Suspension Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Suspension Parts for your 2003 Lexus RX300 at great prices.
Our Suspension Parts inventory for this model
ranges from just $12.29 to $502.99, with
an average price of $148.65.
Our 46 Suspension Parts in stock come from 11 trusted brands, so you’re sure to find the right part for your 2003 Lexus RX300 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Lexus RX300, we stock popular OEM and aftermarket Suspension Parts from top names
like Monroe, Dorman, Driveworks, and more.
Monroe Suspension Parts
start at just $78.99 and boast an impressive 4.4 stars average rating from customers.
Dorman and Driveworks also bring quality to the table, with Suspension Parts available starting at $12.29, and at an average 4.2 stars rating.
With 51 customer reviews and counting, our 2003 Lexus RX300 Suspension Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Suspension Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2003 Lexus RX300 is always ready to roll. We’re committed to providing you with everything you need to keep your RX300 in top shape, all in one place.
Start shopping confidently below for your 2003 Lexus RX300!
Best-Selling Coil and Leaf Springs for 2003 Lexus RX300s
Enhance the driving experience in your Lexus with 10 quality Coil and Leaf Spring components, starting at $20.79.
Monroe – Complete Strut Assembly: Includes Strut, Coil Spring, and Mount (Part No.271499)
from
$258.99
Featuring a vehicle-specific design, Monroe Quick-Strut strut assemblies are fit checked, ride tested and engineered to restore factory ride height and ride performance. An all-in-one solution, the Monroe Quick-Strut strut assembly simplifies the installation process by including all the required components in a single unit. With a heritage of delivering leading-edge products for over 100 years, you can count on Monroe for your next repair.
Product Features:
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Product Features:
- QUICKER, SAFER, EASIER AND COMPLETE REPAIR – Includes everything you need for strut replacement in a single, fully assembled unit with no need for a spring compressor
- RESTORES RIDE HEIGHT – Precisely calibrated to meet the OE design, each application-specific coil spring type is engineered to restore ride height and support the vehicle’s weight
- VEHICLE-SPECIFIC DESIGN – Application-specific coil spring, mount and strut designs ensure optimized ride and handling experience unique to each vehicle profile
- OE QUALITY – Preassembled upper strut mount, coil spring, and strut feature an OE-style design for seamless fit, form, and function
- MAINTAINS VEHICLE CONTROL – Reduces body sway, vibration and road harshness before it reaches the passenger cabin for improved vehicle handling
- IMPROVES STEERING – Premium upper strut mount helps ensure smooth, “like-new” steering precision and prevents noise, vibration, harshness and memory steer
- RUST RESISTANCE – Protective coating resists rust and corrosion while salt spray testing ensures it’s ready for the elements
- BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee
- ASSEMBLED IN THE USA – This Quick-Strut assembly is assembled with pride in Paragould, Arkansas from domestic and imported components
- BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee . Visit Monroe.com for details.
Monroe – Complete Strut Assembly: Includes Strut, Coil Spring, and Mount (Part No.271498)
from
$258.99
Featuring a vehicle-specific design, Monroe Quick-Strut strut assemblies are fit checked, ride tested and engineered to restore factory ride height and ride performance. An all-in-one solution, the Monroe Quick-Strut strut assembly simplifies the installation process by including all the required components in a single unit. With a heritage of delivering leading-edge products for over 100 years, you can count on Monroe for your next repair.
Product Features:
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Product Features:
- QUICKER, SAFER, EASIER AND COMPLETE REPAIR – Includes everything you need for strut replacement in a single, fully assembled unit with no need for a spring compressor
- RESTORES RIDE HEIGHT – Precisely calibrated to meet the OE design, each application-specific coil spring type is engineered to restore ride height and support the vehicle’s weight
- VEHICLE-SPECIFIC DESIGN – Application-specific coil spring, mount and strut designs ensure optimized ride and handling experience unique to each vehicle profile
- OE QUALITY – Preassembled upper strut mount, coil spring, and strut feature an OE-style design for seamless fit, form, and function
- MAINTAINS VEHICLE CONTROL – Reduces body sway, vibration and road harshness before it reaches the passenger cabin for improved vehicle handling
- IMPROVES STEERING – Premium upper strut mount helps ensure smooth, “like-new” steering precision and prevents noise, vibration, harshness and memory steer
- RUST RESISTANCE – Protective coating resists rust and corrosion while salt spray testing ensures it’s ready for the elements
- BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee
- ASSEMBLED IN THE USA – This Quick-Strut assembly is assembled with pride in Paragould, Arkansas from domestic and imported components
- BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee . Visit Monroe.com for details.
Monroe – Strut-Mate Upper Suspension Coil Spring Seat (Part No.909942)
from
$20.79
Every new strut deserves a Monroe Strut-Mate Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.
Product Features:
See More
Product Features:
- PERFECT PAIRING – Ideal match for the ride control characteristics of Monroe struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
- REDUCES NOISE AND VIBRATION – Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
- REPLACES OE – Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
- RIGOROUS TESTING – Fit checked and ride tested for quality you can count on
- EASY TO INSTALL – Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
Suncore – Quick Strut (Part No.55S15907)
from
$124.99
Quick Strut
Suncore – Quick Strut (Part No.55S15908)
from
$124.99
Quick Strut
Carquest Premium – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.18-816379)
from
$502.99
Carquest complete strut assemblies include all the components required for strut replacement. The Carquest strut assembly has been rigorously quality-tested, providing high-quality, proven reliability and reducing installation time. The Carquest strut assembly has been designed to provide a stable and safe ride to meet customer expectations and perform the way professional technicians demand.
Product Features:
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Product Features:
- Premium quality, U.S. grade steel, corrosion resistant coil spring.
- NOK seals, steel piston valves, hard-chromed piston rod and premium oil.
- Urethane rubber molded boot kit & bumper.
- OEM quality upper strut mount, bearing plate and brackets.
- Ready to install. Save time, eliminating installation processes like removing coil springs.
- An economical replacement alternative to ensure a complete repair. Save money from investing in expensive spring compressors.
PRT – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.817036)
from
$227.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.
Product Features:
See More
Product Features:
- Nuts and Bolt: SAE Standard Grade
- Bump Stop: Developed from urethane rubber for extended life. Absorbs road impact and prevents other component damage for smoother drive. ( Where applicable)
- Coil Spring: Manufactured with high quality grade carbon steel, heat treated, stress relieved, fully cycled and salt-spray tested for a professional performance.
- Spring Isolator: Prevents metal to metal contact and acts to help prevent noise between the spring and spring seat. ( Where applicable)
- Outer Tube: Long-lasting corrosion and rust protection.
- Piston Rod: Well-finished chromed piston rod ensures proper seal lubrication, consistent wear surface, and inhibits corrosion. The resistance is superior to commercial standards and quality meets OE requirements.
- Top Mount: Premium Quality rubber-steel assembly, fully tested for long durability.
- Bearing: OEM Quality bearing, designed with low starting torque to ensure smooth steering, tested under extreme load conditions to ensure optimal performance and long life. ( Where applicable)
- Oil Seal: Premium Double- Lip NOK seal, fabricated with high quality rubber.
- Overall Features & Benefits: Pre-assembled strut saves time and money on installation. Application tuned technology for smoother, safer and more stable ride. No special equipment or special parts needed for installation.
Suncore – Quick Strut (Part No.55S15931)
from
$139.99
Quick Strut
Rare Parts – Spring Seat (Part No.RP52753)
from
$42.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
See More
Product Features:
- Restores vehicle handling
- Reduces road noise
- Reduces vibration
- UV resistant
Rare Parts – Spring Seat Insulator (Part No.RP53175)
from
$38.49
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
See More
Product Features:
- Restores vehicle handling
- Reduces road noise
- Reduces vibration
- UV resistant
Most Popular 2003 Lexus RX300 Air Suspension and Kits
Customize your Lexus with 2 Air Suspension and Kits products
like Suspension Strut Mounting Kits, all
priced under $78.99.
Monroe – Strut-Mate Suspension Strut Mount (Part No.903906)
from
$78.99
Every new strut deserves a Monroe Strut-Mate Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.
Product Features:
See More
Product Features:
- PERFECT PAIRING – Ideal match for the ride control characteristics of Monroe struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
- REDUCES NOISE AND VIBRATION – Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
- REPLACES OE – Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
- RIGOROUS TESTING – Fit checked and ride tested for quality you can count on
- EASY TO INSTALL – Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
Monroe – Strut-Mate Suspension Strut Mount (Part No.903903)
from
$78.99
Every new strut deserves a Monroe Strut-Mate Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.
Product Features:
See More
Product Features:
- PERFECT PAIRING – Ideal match for the ride control characteristics of Monroe struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
- REDUCES NOISE AND VIBRATION – Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
- REPLACES OE – Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
- RIGOROUS TESTING – Fit checked and ride tested for quality you can count on
- EASY TO INSTALL – Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
Top Picks for 2003 Lexus RX300 Shocks and Struts
Upgrade Lexus RX300s with top-quality Shocks and Struts parts, including 21 OEM and aftermarket selections for your 2003 model.
Monroe – Strut-Mate Suspension Strut Mount (Part No.903904)
from
$82.99
Every new strut deserves a Monroe® Strut-Mate® Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.
Product Features:
See More
Product Features:
- PERFECT PAIRING — Ideal match for the ride control characteristics of Monroe® struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
- REDUCES NOISE AND VIBRATION — Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
- REPLACES OE — Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
- RIGOROUS TESTING — Fit checked and ride tested for quality you can count on
- EASY TO INSTALL — Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
Driveworks – STRUT BOOT KIT (Part No.DW-K90460)
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$12.29
Designed to meet or exceeds OE performance specifications.
Product Features:
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Product Features:
- Designed to meet or exceeds OE performance specifications
- Durable neoprene rubber
KYB – Jounce Bumper and Bellows (Part No.SB101)
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$21.99
KYB Strut Boot Kits keep your struts protected from dirt, dust, sand, salt and other road debris. These harmful elements cause abrasive wear to the polished shaft, upper seal and bushing. KYB Strut Boot Kits prevent these contaminants from entering the strut by covering the entire strut shaft in a highly durable plastic bellows. This can easily extend the life of the strut. The KYB Strut Boot Kit includes a poly foam travel-limiting bumper. Its designed to protect the strut from bottoming out and protects other components from extreme movement damage.
Product Features:
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Product Features:
- Superior Quality Boot Helps Protect The Strut Shaft From Leak-Causing Dirt And Debris
- Poly Foam Bumper Prevents The Strut From Bottoming Out
- Built With Design And Quality That Matches Or Exceeds One
- Protects The Upper Seal And Bushing
MOOG – Strut Bellows (Part No.K90460)
from
$36.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.
Product Features:
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Product Features:
- Easy to install
- Restores like-new steering and handling
- Construction and design validated by MOOG engineers
- Engineered to meet or exceed OE requirements
- Incorporates proven design and engineering features
Monroe – Strut-Mate Front; Rear Suspension Strut Bumper and Bellows Kit (Part No.63631)
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$48.99
Designed to protect the strut, the Monroe Strut-Mate Boot Kit is the perfect replacement for a damaged jounce bumper or boot. Heavy-duty construction and unique design features make it the ideal choice for maximum rod protection and improved strut life.
Product Features:
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Product Features:
- REPLACES DAMAGED JOUNCE BUMPER OR BOOT – Avoid premature strut failure by replacing missing or damaged strut components
- PROTECTS PISTON ROD – Protects piston rod finish from rust and corrosion and helps reduce oil leakage
- KEEPS MOISTURE AND DIRT OUT – Self-draining design eliminates retention of moisture and other unwanted debris
- ENHANCES STRUT LIFE – Delivers protection from severe suspension movement to improve strut durability
- PERFECT PAIRING – Ideal match to protect strut rods, replace all worn strut components with quality Monroe struts (sold separately) for a complete four-corner ride control upgrade
- EASY TO INSTALL – Direct fit OE replacement with firm friction connection that helps keep the boot in place
- BUILT TO LAST – Soft-entry jounce bumper made of closed cell, micro-cellular urethane for maximum durability and to help reduce severe impacts
Carquest Premium – Complete Strut Assembly 18-817035: Includes Strut, Coil Spring and Mount (Part No.18-817035)
from
$217.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.
Product Features:
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Product Features:
- Pre-assembled with all new strut, bearing plate, coil spring, dust cover and spring seat
- Struts feature application-specific technology with exact strut valving and tuning for smoother, safer and more stable ride
- Springs are built with U.S. grade steel and designed to match factory ride height and performance
- OE quality strut mount, bearing plate and brackets
- Complete strut assembly is extensively tested for functionality and durability
- Built with a micro-smooth, chrome-plated piston rod
Carquest Premium – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.18-817036)
from
$217.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.
Product Features:
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Product Features:
- Pre-assembled with all new strut, bearing plate, coil spring, dust cover and spring seat
- Struts feature application-specific technology with exact strut valving and tuning for smoother, safer and more stable ride
- Springs are built with U.S. grade steel and designed to match factory ride height and performance
- OE quality strut mount, bearing plate and brackets
- Complete strut assembly is extensively tested for functionality and durability
- Built with a micro-smooth, chrome-plated piston rod
Suncore – Quick Strut Kit (Part No.2-55S11477-001)
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$309.99
Quick Strut Kit
Suncore – Quick Strut Kit (Part No.2-55S15907-001)
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$239.99
Quick Strut Kit
Carquest Premium – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.18-816380)
from
$502.99
Carquest complete strut assemblies include all the components required for strut replacement. The Carquest strut assembly has been rigorously quality-tested, providing high-quality, proven reliability and reducing installation time. The Carquest strut assembly has been designed to provide a stable and safe ride to meet customer expectations and perform the way professional technicians demand.
Product Features:
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Product Features:
- Premium quality, U.S. grade steel, corrosion resistant coil spring.
- NOK seals, steel piston valves, hard-chromed piston rod and premium oil.
- Urethane rubber molded boot kit & bumper.
- OEM quality upper strut mount, bearing plate and brackets.
- Ready to install. Save time, eliminating installation processes like removing coil springs.
- An economical replacement alternative to ensure a complete repair. Save money from investing in expensive spring compressors.
Suncore – Quick Strut Kit (Part No.2-55S15931-001)
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$269.99
Quick Strut Kit
PRT – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.815394)
from
$213.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.
Product Features:
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Product Features:
- Nuts and Bolt: SAE Standard Grade
- Bump Stop: Developed from urethane rubber for extended life. Absorbs road impact and prevents other component damage for smoother drive. ( Where applicable)
- Coil Spring: Manufactured with high quality grade carbon steel, heat treated, stress relieved, fully cycled and salt-spray tested for a professional performance.
- Spring Isolator: Prevents metal to metal contact and acts to help prevent noise between the spring and spring seat. ( Where applicable)
- Outer Tube: Long-lasting corrosion and rust protection.
- Piston Rod: Well-finished chromed piston rod ensures proper seal lubrication, consistent wear surface, and inhibits corrosion. The resistance is superior to commercial standards and quality meets OE requirements.
- Top Mount: Premium Quality rubber-steel assembly, fully tested for long durability.
- Bearing: OEM Quality bearing, designed with low starting torque to ensure smooth steering, tested under extreme load conditions to ensure optimal performance and long life. ( Where applicable)
- Oil Seal: Premium Double- Lip NOK seal, fabricated with high quality rubber.
- Overall Features & Benefits: Pre-assembled strut saves time and money on installation. Application tuned technology for smoother, safer and more stable ride. No special equipment or special parts needed for installation.
Rare Parts – Strut Mount (Part No.RP18933)
from
$209.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Prevents tire noise and vibration
Rare Parts – Strut Mount (Part No.RP18931)
from
$209.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Prevents tire noise and vibration
Rare Parts – STRUT PLATE W/O BRG (Part No.RP53208)
from
$167.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Restore Strut pivot ability.
Rare Parts – STRUT PLATE W/O BRG (Part No.RP53209)
from
$167.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Restore Strut pivot ability.
Suncore – Quick Strut (Part No.55S11478)
from
$159.99
Quick Strut
Suncore – Quick Strut (Part No.55S11477)
from
$159.99
Quick Strut
Suncore – Quick Strut (Part No.55S15932)
from
$139.99
Quick Strut
Rare Parts – Strut Mount (Part No.RP18906)
from
$94.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Prevents tire noise and vibration
Sachs – Strut Bump Stop Service Kit (Part No.L3045450890SAC)
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$30.37
SACHS Service Kits replace the Original Equipment boot kits and bump stops providing protection to the piston rod preventing damage and prohibiting rust.
Product Features:
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Product Features:
- SACHS Service Kits help to prolong the life and performance of the shock or strut.
- Always replace your Service kits in pairs.
- Are built with design and quality that matches or exceeds OE quality
In-Demand Control Arms for 2003 Lexus RX300s
Select from 9 premium Control Arms parts for your 2003 Lexus RX300, with prices ranging from $64.99 to $169.99.
Dorman – Suspension Control Arm (Part No.520-403)
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$141.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
MOOG – Rear Lower Rearward Suspension Control Arm (Part No.RK641872)
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$76.99
Product Features:
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- EASY TO INSTALL – Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box
- HIGHLY PRECISE ENGINEERING – Optimized bushings for quiet operation and resistance to wear, salt, road grime and oils
- COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
- Construction and design validated by MOOG engineers
- Broad coverage for foreign and domestic applications
Dorman – Suspension Control Arm (Part No.521-910)
from
$102.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Energy Suspension – CntrlArmBshngKt (Part No.8.3129R)
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$143.99
CntrlArmBshngKt
Dorman – Suspension Control Arm (Part No.521-909)
from
$64.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Rare Parts – Control Arm (Part No.RP10484)
from
$169.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Restores vehicle handling
- OE replacement
- Reduces vibration
- Reduces tire wear
Rare Parts – Control Arm (Part No.RP10485)
from
$169.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Restores vehicle handling
- OE replacement
- Reduces vibration
- Reduces tire wear
Dorman – Control Arm (Part No.520-404)
from
$126.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
MOOG – Suspension Control Arm (Part No.RK641863)
from
$68.99
Product Features:
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- EASY TO INSTALL – Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box
- HIGHLY PRECISE ENGINEERING – Optimized bushings for quiet operation and resistance to wear, salt, road grime and oils
- COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
- Construction and design validated by MOOG engineers
- Broad coverage for foreign and domestic applications
Most Sold 2003 Lexus RX300 Suspension Hardware
Explore our best-selling Lexus parts for the 2003 RX300 among 2 OEM and aftermarket options starting from $62.99.
Dorman – Suspension Knuckle Bushing (Part No.905-521)
from
$62.99
This suspension knuckle bushing is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Rare Parts – Knuckle Bushing (Part No.RP22574)
from
$134.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.
Product Features:
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Product Features:
- Reduces vibration
- Torsional rubber bushings
- UV resistant
- No Squeak
Top-Rated Suspension Parts Brands For Your 2003 Lexus RX300
Shop for the best-rated brands offering Suspension Parts and other products for your 2003 Lexus RX300s. Below you’ll find some of our best rated Suspension Parts from Monroe, Dorman, and Driveworks, and more. Suspension Parts from these brands that fit a 2003 RX300 start at just $12.29 and are rated as high as 4.4 stars. OEM and aftermarket Suspension Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Monroe 2003 Lexus RX300 Suspension Parts
When it comes to maintaining or upgrading your 2003 Lexus RX300, using quality Suspension Parts is essential to ensure durability and a perfect fit. Monroe ticks all of those boxes. We offer a wide selection of Monroe Suspension Parts, specifically designed for the 2003 Lexus RX300. With over 3 Monroe brand Suspension Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $78.99, with an average price of just $80.32. Plus, with over 7 customer reviews and an average rating of 4.4 stars, you can trust that our Monroe Suspension Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$78.99
(2)
Strut-Mate Suspension Strut Mount
“THE STRUTS IN THE CAR WERE FINE BUT THE MOUNTS THE RUBBER IN THE MOUNTS WERE SEPARATED FROM THE METAL HOUSING CAUSING A VERY ANNOYING SOUND TO COME FR”
from
$82.99
(3)
Strut-Mate Suspension Strut Mount
“Worked well and fit like a glove. Only time will tell if it holds up long term but appears to be well constructed.”
Popular Dorman 2003 Lexus RX300 Suspension Parts
Dorman auto parts is one of the highest quality Suspension Part brands in the market. Any 2003 Lexus RX300 owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 2003 RX300, Advance Auto Parts carries a full inventory of 1 Dorman Suspension Parts. Plus you will be keeping your Lexus in peak condition while saving money because prices on these Dorman Suspension Parts range up to $141.99, plus, with more than 2 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Suspension Parts below will deliver on both quality and value.
FAQs for 2003 Lexus RX300 Suspension Parts
Which Suspension Parts are best-sellers for 2003 Lexus RX300s?
Out of 46 Suspension Parts that fit 2003 Lexus RX300s, the following parts are the top sellers:
- STRUT BOOT KIT (11049894) – $12.29
- Strut Bellows (20518181) – $36.99
- Jounce Bumper and Bellows (19170663) – $21.99
What’s the price range for 2003 Lexus RX300 Suspension Parts?
Suspension Part prices for the 2003 Lexus RX300 start at $12.29 and go up to $502.99 for the most premium parts.
What’s the average price of a Suspension Part for a 2003 Lexus RX300?
The average price for Suspension Parts for the 2003 Lexus RX300 is $148.65. Keep in mind the variety of part types within our Suspension Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Suspension Parts for other Lexus RX300 model years?
What are the cheapest Suspension Parts for my 2003 Lexus RX300?
The cheapest 2003 Lexus RX300 Suspension Parts we carry in stock are:
- STRUT BOOT KIT (11049894) – $12.29
- Strut-Mate Upper Suspension Coil Spring Seat (11613223) – $20.79
- Jounce Bumper and Bellows (19170663) – $21.99
- Strut Bump Stop Service Kit (11027552) – $30.37
- Strut Bellows (20518181) – $36.99
What are the top-rated Suspension Parts that fit the 2003 Lexus RX300?
Out of 51 reviews by customers, our 2003 Lexus RX300 Suspension Parts have an average customer rating of . These are some of the highest-rated Suspension Part types for the 2003 Lexus RX300 and their top-rated products:
- Control Arms
- Suspension Control Arm (20870850) – $141.99
- Rear Lower Rearward Suspension Control Arm (10840793) – $76.99
What types of Suspension Parts do you sell for my 2003 Lexus RX300?
As of 3/1/26, these are some of the most in-demand types of Suspension Parts for a 2003 Lexus RX300:
Can I get help with 2003 Lexus RX300 Suspension Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Lexus Suspension Parts and more.
What is your return policy for Lexus RX300 Suspension Parts?
Advance Auto Parts keeps returns simple. For new Lexus RX300 Suspension Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
