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If your Toyota Highlander is exhibiting extra vibration, clunks during acceleration, or visible engine movement, the right engine mount can restore smooth operation and reduce wear on drivetrain components. Choosing the correct mount matters because mounts control engine position, absorb forces, and influence noise and vibration levels that reach the cabin. This guide covers seven shortlisted Toyota Highlander engine mount options selected for their fitment and durability. We evaluated each candidate on factors such as vibration isolation and long-term reliability, then summarized the key considerations to help you pick the best match for your driving needs.
Looking for other parts? See all Toyota Highlander parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Engine and Transmission Mount Kit (3pcs) for Toyota Highlander 3.3L |  |
| Most Popular A crowd favorite that many people choose with confidence | SCITOO Engine and Transmission Mount Set for Toyota RAV4 (2001–2003) |  |
| Best Quality Built to a higher standard if you want something more solid | ONNURI Engine and Transmission Mount Kit for 2009-2013 Toyota Highlander 2.7L (4-piece) |  |
| Best Budget The cheapest option that still gets the job done reliably | Allucam Front Right Engine Motor Mount for Toyota Camry/Highlander (GP9212) |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Engine and Transmission Mount Set for Toyota Highlander 3.3L (2006–2010) / Lexus RX400h |  |
| Best Value for Money The sweet spot between price and what you get | ONNURI Engine & Transmission Mount Set for 2001–2003 Toyota Highlander 2.4L FWD |  |
| Best Overall The best all-around choice for most situations | Yllshengyu 3-Piece Engine Motor Mount Kit (3.5L/3.7L Compatible) |  |
1. A-Premium Engine and Transmission Mount Kit (3pcs) for Toyota Highlander 3.3L
| Vehicle fitment | Toyota Highlander 2005-2010 V6 3.3L |
|---|---|
| Compatible Lexus models | Lexus RX330 2004-2006, RX400h 2006-2008 |
| Package contents | Rear engine mount, right engine mount, automatic transmission mount |
| Manufacturer part number | APEM1455 |
This A-Premium three-piece kit replaces the rear engine mount, right engine mount, and automatic transmission mount on Toyota Highlander 3.3L models. It is intended for routine replacement when worn mounts cause excessive engine movement, vibration, or drivetrain harshness. The listing highlights tested materials and quality control aimed at meeting factory-spec performance, and the kit ships with the three mounts needed for a standard refresh. In practice the mounts provide firmer support than deteriorated originals, which reduces vibration and restores shift and idle smoothness. Installation is typical for engine-mount work and requires basic tools and safe engine support. Limitations are that this is an aftermarket replacement rather than a direct factory unit and some users may notice a slightly firmer engine feel compared with new OEM mounts. The kit includes a one-year unlimited-mileage guarantee from the brand, which helps offset concerns about longevity for owners prioritizing dependable, budget-friendly repairs.
Best for: Reliability-focused buyers who want a cost-effective, complete mount replacement to restore smoothness and prevent further drivetrain stress on a Toyota Highlander 3.3L.
Less Ideal for: Drivers seeking an exact factory-match feel or those who prefer dealer-sourced factory replacement parts should consider alternatives.
- Complete three-piece kit covers rear engine, right engine, and transmission mounts for a single service
- Designed and tested to meet factory-spec performance according to the manufacturer description
- Restores reduced vibration and drivetrain movement when replacing worn mounts
- Includes a one-year unlimited-mileage guarantee from the brand
- Aftermarket construction may feel firmer than factory mounts and alter NVH slightly
Verdict A practical, tested three-piece mount kit that restores engine stability on Highlander 3.3L models for owners focused on reliable, budget-conscious repairs.
2. SCITOO Engine and Transmission Mount Set for Toyota RAV4 (2001–2003)
| Fitment | 2001–2003 Toyota RAV4 |
|---|---|
| Unit Count | 1.0 Count |
| Mounting Type | Chassis Mount |
| Manufacturer | SCITOO |
This SCITOO kit supplies the engine and transmission mounts needed when worn mounts cause vibration, engine movement, or driveline noise on older Toyotas. It is sold as a set intended for direct replacement on compatible 2001–2003 RAV4 applications and is typically used during routine mount replacement or while repairing associated drivetrain issues. The listing highlights matching OEM part numbers and says the parts are made to withstand heat and wear, which should restore normal engine positioning and reduce vibration transferred to the cabin. Buyers report straightforward fitment and improved drivability after installation. Expect standard hardware and installation procedures; a mechanic or a DIYer with basic tools can fit the parts but wheel removal and engine support are usually required. The set is a budget-focused aftermarket alternative, so while it restores function and comfort it may not match higher-end factory-quality mounts in long-term durability under extreme use.
Best for: Convenience-driven buyers who want a straightforward replacement that restores comfort and eliminates vibration without sourcing individual parts or waiting for dealer parts.
Less Ideal for: Drivers seeking the longest-lasting factory-quality replacement or those planning high-performance or heavy-duty use should consider premium or OEM options instead.
- Sold as a full engine and transmission mount set for the specified Toyota fitment
- Lists matching factory part numbers for easier verification before purchase
- Built for heat and wear resistance to reduce vibration and engine movement
- Multiple customer reports of correct fit and easy installation
- Aftermarket construction may not match long-term durability of higher-end factory-quality mounts
Verdict A practical, budget-friendly mount set that restores engine stability and comfort for 2001–2003 Toyota RAV4 owners who prioritize convenience.
3. ONNURI Engine and Transmission Mount Kit for 2009-2013 Toyota Highlander 2.7L (4-piece)
| Fitment | 2009-2013 Toyota Highlander 2.7L Automatic Transmission |
|---|---|
| Kit contents | 2 motor mounts, 1 torque strut mount, 1 transmission mount |
| Interchange numbers | EM5900, A4295, A62090, A4288 |
This four-piece mount kit replaces the front and rear engine mounts, a torque strut, and the left transmission mount on 2009–2013 Toyota Highlander 2.7L automatic models. It is designed to match factory-fitment and uses steel and rubber components to restore engine support, reduce vibration, and protect drivetrain alignment under acceleration. Typical use is a full mount refresh during repair or when worn mounts cause excess noise, vibration, or shifting movement. The included interchange part numbers make it straightforward to identify which mount goes where, and the set covers all major mounting points so you do not need to buy parts individually. Expect improved NVH and more secure engine positioning after installation, but installation still requires mechanical access and basic tools or a shop visit. The kit aims for factory-like performance at a value point, so buyers should not expect upgraded performance mounts for aggressive track use or motorsport tuning.
Best for: Performance-oriented Highlander owners who prioritize restoring precise engine control and reducing vibration with a full, factory-compatible mount replacement.
Less Ideal for: Drivers seeking upgraded performance mounts for track use or heavy-duty towing should look for stiffer aftermarket options designed for those demands.
- Complete 4-piece kit covers front/rear motor mounts, torque strut, and transmission mount for a full replacement
- Designed to interchange with factory part numbers for straightforward identification and fitment
- Steel and rubber construction aims to restore factory ride comfort and reduce vibration
- Includes commonly referenced part/interchange numbers to simplify parts matching for the Highlander
- Not a performance or hardened mount set for track or high-power applications
- Installation requires mechanical access and may require a professional if you lack tools or experience
Verdict A complete, factory-compatible mount kit that restores factory ride quality and engine stability for 2009–2013 Highlander 2.7L owners who want a reliable full replacement.
4. Allucam Front Right Engine Motor Mount for Toyota Camry/Highlander (GP9212)
| Compatible vehicles | 2001-2007 Toyota Highlander 2.4L; 2002-2006 Toyota Camry 2.4L |
|---|---|
| Interchange numbers | GP9212, A4211, EM9212, 9212 |
| Includes | 1 Motor Mount |
| Manufacturer | Engine-partsman, Inc. |
This Allucam front-right motor mount is sold as a one-piece replacement intended to restore engine support and reduce vibration on compatible Toyota 2.4L models. It installs in place of the factory mount and is typically used when the original mount shows wear, cracking, or excessive engine movement. The listing notes compatibility with 2002–2006 Camry 2.4L and 2001–2007 Highlander 2.4L and includes interchange numbers to match OEM parts. Practical benefits include a straightforward direct-fit design that simplifies a one-time replacement and reduces drivetrain vibration when installed correctly. The product copy warns against using impact tools during installation, so expect to tighten fasteners by hand torque for best results. Limitations are that this is a single mount rather than a kit, so other worn mounts may remain unaddressed, and installation requires basic mechanical skill and the correct torque procedure to avoid damage. No detailed material or performance test data is provided, so long-term durability should be judged conservatively for high-mileage vehicles.
Best for: Budget-conscious owners looking for an inexpensive, factory-style replacement mount to address a noisy or vibrating engine on a Highlander 2.4L.
Less Ideal for: Drivers wanting a full mount refresh, performance-oriented upgrades, or mounts with published longevity tests should consider kits or premium aftermarket options instead.
- Direct-fit replacement for specified Toyota 2.4L Camry and Highlander models
- Sold as a single front-right mount for straightforward one-to-one swapping
- Includes manufacturer interchange numbers to help confirm correct fitment
- Designed to restore engine stability and reduce vibration when the original mount fails
- Only the front-right mount is included so other worn mounts are not replaced
- No independent durability or material specifications are provided in the listing
Verdict A budget-friendly, direct-fit front-right replacement for Highlander 2.4L engines that restores engine support but replaces only a single mount.
5. A-Premium Engine and Transmission Mount Set for Toyota Highlander 3.3L (2006–2010) / Lexus RX400h
| Vehicle fitment | Toyota Highlander 2006-2010 3.3L; Lexus RX400h 2006-2008 3.3L |
|---|---|
| Transmission | Automatic CVT (hybrid models only) |
| Set contents | Front engine mount, rear engine mount, right engine mount, left transmission mount |
| Manufacturer part number | APEM1454 |
This A-Premium kit supplies four replacement mounts intended to restore engine and transmission positioning and vibration isolation on Toyota Highlander 3.3L models (2006–2010) and Lexus RX400h (2006–2008) with automatic CVT hybrid systems. The set includes front, rear, right engine mounts and a left transmission mount with hydraulic designs where specified, so it addresses both torque and road-borne vibration. In practical use the kit is a direct-style replacement that helps reduce movement under acceleration and can quiet drivetrain vibration compared with worn mounts. The listing emphasizes testing and quality control to meet factory-spec performance and the package covers common reference part numbers for easier cross-checking. Limitations are that fitment is strictly for the specified Highlander/RX400h hybrid CVT models only and buyers should verify part references against their VIN or existing parts; as with many aftermarket mount sets, long-term durability can vary from factory-quality OEM parts. Installation typically requires basic to moderate mechanical skill or a shop visit for safe engine support and alignment.
Best for: A risk-averse mainstream buyer seeking a straightforward, vehicle-specific replacement to restore factory-like engine stability and reduce vibration without experimenting with nonmatching parts.
Less Ideal for: Drivers looking for universal or non-hybrid fitment options, or those who prioritize exact factory OEM longevity over an aftermarket matched kit, should consider alternatives.
- Complete four-piece kit covers front, rear and left/right transmission/engine mounting points for a single-service repair
- Hydraulic mounts included where applicable to improve vibration damping compared with solid mounts
- References multiple OEM part numbers to simplify matching to the vehicle's original parts
- Sold as a matched set so all mounts are replaced at once, restoring balanced engine positioning
- Compatibility limited to Highlander/RX400h models with the 3.3L automatic CVT hybrid drivetrain and will not fit other transmissions or engines
Verdict A matched four-piece aftermarket mount kit that restores engine stability on Highlander/RX400h hybrid CVT models, best for buyers who want a direct-fit replacement rather than sourcing individual OEM parts.
6. ONNURI Engine & Transmission Mount Set for 2001–2003 Toyota Highlander 2.4L FWD
| Fits Vehicle | 2001-2003 Toyota Highlander 2.4L FWD |
|---|---|
| Includes | Front, Front Right, Rear, Torque Strut, Transmission Left mounts |
| Brand | ONNURI |
| Manufacturer | Gahbin USA, Inc. |
This ONNURI kit supplies the full set of engine and transmission mounts required when replacing worn mounts on a 2001–2003 Toyota Highlander 2.4L FWD. It includes front, front-right, rear, torque strut, and transmission-left mounts labeled to match common factory part references for straightforward identification during installation. The mounts are constructed with steel and rubber components intended to restore engine stability, reduce vibration, and maintain alignment between the engine and transmission. Typical use is a direct replacement during a mount service or engine/transmission removal and reinstallation. The practical benefits are a complete kit that saves time sourcing individual pieces and reportedly fits directly to the vehicle with straightforward bolt-on installation. Limitations to note are that this is an aftermarket assembly rather than a factory-sourced part and fitment depends on correct selection for the Highlander 2.4L FWD; professional installation is recommended to ensure proper torque and alignment.
Best for: Practical optimizers who want a cost-effective, complete replacement kit to get a Highlander 2.4L FWD back to solid operation without sourcing multiple parts separately.
Less Ideal for: Buyers seeking branded factory-quality mounts for long-term high-mileage restoration or exact OEM matching should consider factory-sourced alternatives or dealer parts.
- Complete five-piece set covering motor and transmission mounts for a full replacement job
- Parts labeled to common factory reference numbers for easier identification during install
- Steel-and-rubber construction aimed at restoring ride smoothness and reducing vibration
- Saves time compared with buying individual mounts separately
- Aftermarket product rather than factory-quality branded parts which may differ slightly in fit or longevity
Verdict A practical, all-in-one aftermarket mount kit that restores engine stability for 2001–2003 Highlander 2.4L FWD at a lower cost than buying individual parts.
7. Yllshengyu 3-Piece Engine Motor Mount Kit (3.5L/3.7L Compatible)
| Unit Count | 3.0 Count |
|---|---|
| Mounting Type | Engine Bay Mount |
| Finish Type | Powder Coated |
| Model | 8T4Z6068B, 8T4Z6068A, 2010-501230 |
This 3-piece mount kit is sold as a matched set of front motor, rear torque strut, and transmission mounts so you replace all major engine support points at once. In practice the kit is used during engine/transmission service or when worn mounts cause excess vibration, engine movement, or driveline clunks. The mounts are powder coated and marketed as new, factory-quality replacements with broad part-number coverage to simplify fitment checks. Buyers will appreciate getting a matched set rather than mixing old and new mounts, which helps restore smoother idle and reduced drivetrain vibration. Some customers report straightforward installation, while others note mixed long-term durability compared with higher-end factory parts. If you want a budget-friendly full kit that brings immediate NVH improvement, this performs well; if you need a long-service heavy-duty option for intensive towing or extreme use, a more robust aftermarket or factory part may be better.
Best for: Balanced all-round buyers who want a cost-effective, matched mount set to restore quiet operation and reduce engine vibration without overpaying for premium parts.
Less Ideal for: Drivers who regularly tow heavy loads, run high-horsepower modifications, or expect maximum long-term durability should consider heavy-duty OEM or performance mounts instead.
- Complete matched 3-piece set replaces front motor, rear torque strut, and transmission mount for balanced performance.
- Covers a wide range of OEM part numbers to simplify confirming compatibility.
- Powder-coated finish and new components reduce corrosion risk and provide immediate vibration reduction.
- Many users report straightforward fit and noticeable reduction in engine vibration after installation.
- Mixed reports on long-term durability compared with higher-end factory-quality mounts.
- Not explicitly listed as Toyota Highlander-specific in the product fitment information so verification is required before purchase.
Verdict A matched, budget-friendly 3-piece mount kit that restores smoother operation for everyday use but may not match heavy-duty factory-grade longevity.
Choosing the Right Toyota Highlander Engine Mount: Key Factors to Consider
Fitment and Mounting Points
Exact fitment to the vehicle and correct alignment with factory mounting points is critical. A mount that does not match the Highlander’s mounting geometry can cause misalignment, additional stress on bolts, and accelerated wear on adjacent components. Ensure the mounting holes, stud locations, and bracket orientation match the vehicle so torque values and load paths behave as intended.
Poor fitment can also complicate installation, increase labor time, or require auxiliary modifications that undermine reliability. Confirming vehicle-year and engine configuration compatibility reduces the risk of selecting an incompatible mount.
Vibration Isolation and Damping
The mount’s ability to absorb and damp engine vibration directly affects cabin comfort and perceived engine smoothness. Look at the damping method and material hardness because stiffer mounts transfer more vibration while softer mounts isolate more but may allow more engine movement. Consider how the mount performs across idle, cruise, and acceleration loads since damping needs change with RPM and torque.
Good damping reduces rhythmic vibration and minimizes resonance that can amplify noise inside the cabin. Balancing isolation with control is important to prevent excessive engine movement that could affect driveline components.
Durability and Material Resistance
Engine mounts operate in a harsh environment subject to heat, oil, road contaminants, and mechanical load cycles. Materials that resist heat and oil swelling maintain their damping properties longer. Metal brackets should resist corrosion and retain structural integrity under torque and impact.
Assess expected service life in real-world conditions and prefer designs that limit material degradation. Longevity reduces the likelihood of repeat replacements and prevents secondary damage to transmission mounts or exhaust hangers.
Load Capacity and Structural Design
Mounts must support static engine weight and dynamic loads from acceleration, braking, and cornering. The structural design determines how forces are distributed into the chassis. Look for mounts engineered to handle peak torque events and transient loads without cracking or deforming.
A mount with inadequate load capacity can fatigue quickly and may fail under heavy use or towing. Properly designed load paths also reduce stress concentrations that lead to premature failure.
Serviceability and Installation
Consider how easy the mount is to install and service. Features like accessible mounting bolts, included hardware, and clear torque specs save time and reduce installation errors. Some mounts require supporting the engine or removing nearby components; evaluate whether the required procedures fit your skill level or workshop capabilities.
Simpler installations lower labor risk and cost of replacement down the road. Also check whether the mount comes with necessary bushings or mounting plates to avoid sourcing additional parts.
Noise and Harshness Characteristics
Noise, vibration, and harshness are interrelated and influenced by mount design. Some mounts prioritize stiffness to limit engine travel at the expense of transmitting more noise, while others emphasize softness to minimize noise but allow perceptible movement. Consider driving conditions and noise sensitivity when choosing a balance.
Repeated exposure to certain noise frequencies can be more fatiguing than others, so mount damping characteristics that limit mid-range resonance can improve overall comfort. Evaluate how a mount performs under idle and load to understand its noise profile.
FAQ
What are common symptoms of a failing engine mount on a Toyota Highlander?
Common signs include increased vibration felt in the cabin, especially at idle, clunking or knocking during acceleration or shifting, and visible engine movement when revving. You may also notice unusual noise or a change in how the drivetrain feels during load transitions.
Can I perform an engine mount replacement myself?
Replacing a mount can be a moderate to advanced DIY task depending on which mount is being changed and your tools. It typically requires safely supporting the engine, precise torqueing of fasteners, and sometimes partial removal of surrounding components. If you are comfortable with mechanical work and have a proper service manual, you can do it; otherwise professional help reduces risk.
How long do engine mounts usually last?
Mount longevity varies with driving conditions, climate, and exposure to oil or road contaminants. They often last many years under normal use, but heavy towing, aggressive driving, or oil leaks can shorten service life. Regular inspections can identify wear before failure.
Will a stiffer mount improve performance in the Highlander?
A stiffer mount can reduce engine movement and improve responsiveness under load, but it will usually transmit more vibration and noise to the cabin. Whether that tradeoff is acceptable depends on your priorities for comfort versus perceived driveline control.
What maintenance helps extend the life of an engine mount?
Avoiding oil leaks and promptly addressing fluid leaks that contact mounts helps preserve rubber and elastomer components. Routine inspections for cracks, separation, or collapsed bushings are useful, and replacing related worn components can prevent additional stress on remaining mounts.
How We Chose the Best Toyota Highlander Engine Mount
We started by focusing on mounts that explicitly match Toyota Highlander fitment and mounting points to avoid installation issues. Primary evaluation criteria included vibration isolation performance, measured by damping design and material choice; structural durability under heat and load; compatibility with engine and transmission mounting locations; and ease of installation, including bolt access and required torque procedures. Secondary filters included material type and resistance to oil and heat, quality of mounting hardware or bushings, and how the design distributes loads to reduce stress on surrounding components. We excluded options that lacked clear vehicle-specific fitment information, used unproven materials, or required extensive vehicle modification. The result is a set of mounts that prioritize correct fit, reliable vibration control, and serviceability for Toyota Highlander owners.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a Toyota Highlander engine mount, prioritize correct fitment, effective vibration isolation, and material durability. These factors determine how well the mount restores smooth operation while protecting adjacent drivetrain components. Balance the tradeoff between stiffness and comfort based on your driving habits. Also consider ease of installation and expected service life to minimize future maintenance and ensure reliable performance under real-world conditions.
Explore all Toyota Highlander parts & accessories.
