Lexus RX300 Engine Parts

Essential Lexus RX300 Engine Parts

Sealed Power – Engine Piston Ring Set (Part No.E-961KC)

Engine Piston Ring Set

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$143.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Chrome plated ring face
  • Increases wear resistance in dirty air conditions
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Dorman – Timing Cover – Lower Front (Part No.635-317)

Timing Cover - Lower Front

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$55.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Carquest Premium – Engine Camshaft Position Sensor Connector (Part No.PTA1149)

Engine Camshaft Position Sensor Connector

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$7.79
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Ishino Stone – Oil Pick-up Tube Gas (Part No.A6276458170ISH)

Oil Pick-up Tube Gas

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$2.06
Oil Pick-up Tube Gas

Carquest Premium – Multi Purpose Connector (Part No.PTA2919)

Multi Purpose Connector

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$56.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Koyo – Crankshaft Seal (Part No.A8060110690KOY)

Crankshaft Seal

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$14.87
Crankshaft Seal

Beck/Arnley – Timing Cover Gasket Set (Part No.038-0234)

Timing Cover Gasket Set

from

$26.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Made from premium materials for durability
  • Provides excellent sealing and durability
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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GMB – Timing Belt Idler Bearing (Part No.A5300111993GMB)

Timing Belt Idler Bearing

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$35.35
GMB is one of the world’s largest designers and manufacturers of automotive service products. GMB offers OE quality water pumps, universal joints, tensioner idler bearings and chassis parts for most European, Asian and Domestic vehicles.
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DENSO – First Time Fit Crankshaft Position Sensor (Part No.A2255749217ND)

First Time Fit Crankshaft Position Sensor

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$79.50
DENSO’s Crankshaft Position Sensors are manufactured to the stricktest OE standards resulting in unsurpassed reliability, durability, and detection accuracy.

Product Features:
  • Innovative MRE sensor design uses a pair of MREs on an Integrated Circuit (IC) chip for extreme accuracy
  • Molded IC chip located inside the cylindrical magnet is positioned closer to the gears
  • Polyphenylene sulfide resin coating resists damage from engine oil, fuel and emission byproducts
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Melling – Stock Replacement Oil Pump (Part No.M537)

Stock Replacement Oil Pump

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$249.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor
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GMB – Timing Belt Idler Bearing (Part No.A5300111997GMB)

Timing Belt Idler Bearing

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$52.73
GMB is one of the world’s largest designers and manufacturers of automotive service products. GMB offers OE quality water pumps, universal joints, tensioner idler bearings and chassis parts for most European, Asian and Domestic vehicles. This is a “up-date” Idler Bearing Also requires 1 of # 13556-62010 Idler Bearing Shaft
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Felpro – Engine Cylinder Head Bolt Set (Part No.ES 71036)

Engine Cylinder Head Bolt Set

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$47.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Carquest Premium – Engine Oil Filler Cap: 10121, Push Fit, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10121)

Engine Oil Filler Cap: 10121, Push Fit, Direct Fit, Provides Tight Seal, 1 Pack

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$6.49
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
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Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40643)

REAR MAIN BEARING SEAL SET

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$41.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Dayco – Premium Timing Belt, 66.46 Inch With 211 Round Tooth (Part No.95257)

Premium Timing Belt, 66.46 Inch With 211 Round Tooth

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$41.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • Timing marks are applied on the belt for proper installation
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AISIN – Timing Belt Kit With Water Pump (Part No.A5001328661ASC)

Timing Belt Kit With Water Pump

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$232.23
The AISIN Timing Belt Kit With Water Pump contains the timing belt, tensioner and deflection pulleys as well as a AISIN water pump. All AISIN components meet the strict original equipment requirements.

Product Features:
  • Original equipment quality
  • Enhanced reliability for engine and vehicle owner
  • Individual parts need not be ordered
  • AISIN Hydraulic Tensioner in select applications
  • AISIN Water Pump with gaskets. Water Pump with housing in select applications
  • OE matched Idler Bearing, and Tensioner Bearing (Koyo and NSK brands)
  • OE matched Timing Belt supplied by Mitsuboshi
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Nakamura – Nakamura Exhaust Valve (Part No.A4050138492NKM)

Nakamura Exhaust Valve

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$7.54
Nakamura manufactures intake and exhaust valves in forged and hot-extruded versions in a multitude of materials that meet or exceed OE specifications.

Product Features:
  • OE Quality
  • Heat and corrosion resistant
  • Chromium plated or nitrided
  • Stem optimized to resist wear
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Dorman – Variable Valve Timing Filter Screen (Part No.926-124)

Variable Valve Timing Filter Screen

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$8.99
This engine variable valve timing (VVT) solenoid filter is designed to match the fit and function of the original filter on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine variable valve timing (VVT) solenoid filter is designed to match the fit and function of the original filter on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to clogging
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Anchor – Torque Strut Motor Mount: Right, 1 Piece (Part No.8995)

Torque Strut Motor Mount: Right, 1 Piece

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$50.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. The Torque Strut prevents engine rocking. Each part is engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to LEXUS 99-03;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1999-2003
  • Weight approx: 2 Lbs
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Felpro – Engine Conversion Gasket Set (Part No.CS 9201)

Engine Conversion Gasket Set

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$81.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Dayco – Timing Belt Kit; With Belt, Camshaft Belt Tensioner And Idler, 3 Piece Set (Part No.95257K1)

Timing Belt Kit; With Belt, Camshaft Belt Tensioner And Idler, 3 Piece Set

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$96.99
Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:
  • Engineered for both domestic and import vehicle applications with a timing belt
  • All components needed for a complete timing belt replacement included in one box
  • Includes premium Dayco components and tough, wear-resistant belt
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Dayco – Timing Component Kit; With Camshaft Belt Tensioner And Idler, 2 Piece Set (Part No.84063)

Timing Component Kit; With Camshaft Belt Tensioner And Idler, 2 Piece Set

from

$64.99
Manufactured to meet critical OE quality fit, form and function requirements demanded by today’s vehicle manufacturers, Dayco’s timing component kit ensures long lasting peak performance. This kit is designed to replace worn or damaged original equipment timing belts, tensioners and idler pulleys. It includes pre-packaged tensioners, idler pulleys and instructions – each matched to a specific make, model and vehicle year.

Product Features:
  • Engineered for the majority of domestic and import vehicle applications with a timing belt
  • All components needed for a complete timing belt replacement included in one box
  • Includes premium Dayco components and a tough, wear-resistant belt
  • Meets or exceeds OE quality
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National – Shaft Repair Sleeve (Part No.99145)

Shaft Repair Sleeve

from

$32.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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National – Shaft Repair Sleeve (Part No.99134)

Shaft Repair Sleeve

from

$34.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Helping You Find the Right Engine Parts for Your Lexus RX300

You love your RX300. So we’ve made it easier than ever to help you find Lexus RX300 Engine Parts in our online catalog. Our inventory holds 104 aftermarket and OEM Engine Parts for your Lexus RX300, ranging from $2.06 to $3,424.99.

We offer parts from 34 brands trusted to make quality Engine Parts for your Lexus RX300. Before you buy, take some time to read through customer reviews. We currently have 6,465 reviews of Lexus RX300 Engine Parts from previous customers. Some of the top rated parts include Timing Water Pump Kit; With Pump, Belt, Actuator, Tensioner And Idler with 4.5 stars and Variable Valve Timing Solenoid with 4.8 stars.

Find your RX300 Engine Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Lexus RX300 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Engine Parts Brands for Your Lexus RX300

Our inventory holds Engine Parts for your Lexus RX300 from 34 trusted brands. You’ll find OEM and aftermarket parts from brands like Felpro, Carquest Premium, and Dayco, all of which can keep that Lexus happy.

Top-Rated Spartan Engine Parts

Leading Spartan Engine Parts

We carry Spartan brand parts for your Lexus RX300 across several catalog categories, including Remanufactured Engines. Some of our most reviewed Spartan parts include:
Engine Long Block; Toyota 1MZFE Engine
from $3424.99
(1144)
Engine Long Block; Toyota 1MZFE Engine
Remanufactured Engines

FAQs for Lexus RX300 Engine Parts

What are the most purchased Engine Parts for the Lexus RX300?

Out of 104 Engine Parts for the Lexus RX300, the most popular in our inventory are:
Engine Valve Cover Gasket Set
from $29.99
(47)
Engine Valve Cover Gasket Set
Valve Cover Gaskets
UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET
from $13.99
(8)
UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET
Plenum Gasket Sets
Camshaft Sensor
from $22.99
This product is not rated
Camshaft Sensor
Camshaft Position Sensors

What are the top-rated Lexus RX300 Engine Parts?

Top-rated Engine Parts for your Lexus RX300 based on customer reviews/ratings are:
Timing Water Pump Kit; With Pump, Belt, Actuator, Tensioner And Idler
from $197.99
(15)
Timing Water Pump Kit; With Pump, Belt, Actuator, Tensioner And Idler
“All the parts fit perfectly, looks to be a quality product.”
Variable Valve Timing Solenoid
from $66.99
(12)
Variable Valve Timing Solenoid
“Advance Auto Parts always has the parts I need in stock.”
Premium Timing Belt, 66.46 Inch With 211 Round Tooth
from $41.99
(12)
Premium Timing Belt, 66.46 Inch With 211 Round Tooth
“Great item”