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Choosing the right GMC Terrain engine mount matters because a worn or incorrect mount can increase vibration, accelerate drivetrain wear, and affect overall vehicle comfort. The right mount restores proper engine position, reduces noise and vibration transferred to the cabin, and helps preserve transmission and subframe components. This guide covers a shortlist of the top options chosen for the Terrain, with attention to fitment, material quality, and expected longevity. Below we explain what we evaluated and what to watch for when choosing a replacement mount.
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Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | keuyyap 3-Piece Engine and Transmission Mount Set for Cadillac Escalade/Chevy/GMC Trucks (2007–2014) |  |
| Most Popular A crowd favorite that many people choose with confidence | AA Ignition Engine Motor Mount Set of 2 with Heat Shield |  |
| Best Quality Built to a higher standard if you want something more solid | ONNURI Engine and Transmission Mount Kit (4‑Piece) for GMC Terrain 2010–2017 |  |
| Best Budget The cheapest option that still gets the job done reliably | Advance Ignition Front Engine Motor Mount for GMC Terrain 2.4L |  |
| Most Sold A high-volume bestseller chosen again and again | iKer 2-Pack Engine Motor Mount Kit with Heat Shield |  |
| Best Value for Money The sweet spot between price and what you get | JDMON Engine and Transmission Mount Set for 2010-2017 GMC Terrain 2.4L |  |
| Best Overall The best all-around choice for most situations | Mardarth Set of 4 Engine and Transmission Mounts for 2010–2017 Captiva Equinox Terrain 2.4L |  |
1. keuyyap 3-Piece Engine and Transmission Mount Set for Cadillac Escalade/Chevy/GMC Trucks (2007–2014)
| Unit Count | 3.0 Count |
|---|---|
| Manufacturer | keuyyap |
| Model | CA-EM0247 |
| Finish Type | Unfinished |
This three-piece mount kit replaces the two front engine mounts and the transmission mount commonly worn on older GM V8 trucks and SUVs. In practice you would swap the failed mounts one at a time or during a single service to restore engine stability, reduce vibration and cut down drivetrain noise. The set lists compatible factory part numbers and covers front-left, front-right and the transmission mount positions so it provides a near-complete solution for a worn-mount diagnosis. Buyers can expect solid rubber construction and a weighty feel that should deliver firmer engine support compared with degraded originals. The practical benefits are quieter, smoother driving and reduced stress on other drivetrain components after installation. Limitations include a lack of detailed materials or torque specs in the listing and the need to verify vehicle-year and engine fitment carefully before purchase since compatibility is specific to certain GM V8 models and years.
Best for: A reliability-focused buyer who prefers replacing all worn drivetrain mounts at once to restore quiet, stable operation and avoid repeat visits to the shop.
Less Ideal for: Drivers who need mounts for a different make or model year outside the listed GM V8 vehicles or those who prefer mounts with stamped technical specifications and manufacturer testing data.
- Three-piece kit covers both front engine mounts and the transmission mount for a cohesive repair.
- Lists multiple factory part numbers for cross-reference with vehicle fitment.
- Solid, heavy-feel rubber parts that aim to reduce vibration and drivetrain noise.
- Includes the common mounting positions needed when replacing aged mounts together.
- Listing omits material composition details and installation torque information.
- Compatibility is limited to specific GM truck and SUV V8 years so fit must be confirmed before ordering.
Verdict A practical three-piece replacement set aimed at restoring stability and reducing vibration on compatible late-2000s to early-2010s GM V8 SUVs and trucks, provided you confirm exact fitment.
2. AA Ignition Engine Motor Mount Set of 2 with Heat Shield
| Unit Count | 2.0 Count |
|---|---|
| Manufacturer | AA Ignition |
| OEM Part Number | 15854941, 15854939, A5365, 5365, MK5365, 5365MK |
This AA Ignition kit supplies two engine mounts with heat shields intended as a direct replacement for common GM part numbers. Installed beneath the front of the engine, the mounts secure the powertrain and absorb noise and vibration; they are typically replaced when drivers notice clunks or excessive engine movement during acceleration and deceleration. The mounts include rubber formulated with antifreeze to reduce cold-weather cracking and come as a matched pair to rebalance engine support. Practical benefits include factory-style fitment for compatible GM vehicles and a heat shield that helps protect the rubber from exhaust heat. Reports from installers note straightforward installation in many cases, though alignment of bolt holes can require patience or minor adjustments. Build quality appears good for the price for many buyers, but there are mixed longevity reports so expect variable service life compared with factory-quality parts.
Best for: Convenience-driven buyers who want an easy-to-source, ready-to-install replacement to reduce engine vibration and get their Terrain back on the road quickly.
Less Ideal for: Drivers seeking guaranteed factory-quality longevity or those installing mounts for performance or heavy-duty towing applications should consider high-end or OEM replacements instead.
- Direct-replacement design that matches common GM part numbers for easier fitment
- Includes heat shields to protect the mount rubber from nearby exhaust heat
- Rubber formula treated to resist cracking in cold weather
- Sold as a matched pair to maintain even engine support and balance
- Not a genuine factory part so durability can vary between installations
- Some buyers report bolt hole misalignment that can make installation trickier without adjustment
Verdict A convenient, paired replacement with heat shields that fits common GM part numbers but may not match OEM longevity for heavy-use Terrain owners.
3. ONNURI Engine and Transmission Mount Kit (4‑Piece) for GMC Terrain 2010–2017
| Fitment | 2010-2012 3.0L and 2013-2017 3.6L GMC Terrain automatic |
|---|---|
| Kit contents | 1 motor mount and 3 transmission mounts |
| Interchange numbers | A5553, A5707, A5554, A5633 |
This ONNURI kit supplies the four mounts needed when replacing the motor and transmission supports on a GMC Terrain with automatic transmission. The set includes the front right engine mount and three transmission mounts (front left, center, rear) that match common factory interchange numbers, so it covers the usual wear points in one purchase. In practice the steel-and-rubber construction aims to restore solid engine positioning, reduce driveline vibration, and quiet the cabin compared with worn mounts. Installation requires lifting the engine slightly and access to the mount fasteners, so it is best handled with a lift or experienced DIYer and basic tools. The parts are sold as a matched set which simplifies timing of replacements and avoids mixing old and new mounts, but the kit does not include hardware like new bolts or step-by-step instructions so you may need to reuse or source fasteners and follow a repair manual. For a performance-oriented buyer focused on restoring NVH and driveline stability in a Terrain, this kit provides a complete, vehicle-specific option without aftermarket performance tuning features.
Best for: Performance-oriented Terrain owners who prioritize restoring factory-level engine control and reducing vibration for improved driving feel.
Less Ideal for: Those seeking upgraded stiffening mounts for track use or buyers who prefer a kit that includes new bolts and step-by-step installation guidance.
- Complete four-piece kit covers engine mount plus all three transmission mounts commonly replaced together
- Matches factory interchange numbers for direct fitment to specified GMC Terrain model years
- Steel and rubber construction intended to restore ride comfort and reduce vibration
- Sold as a matched set which simplifies replacing all worn mounts at once
- Does not include replacement fasteners or detailed installation instructions
- Not marketed as a performance-tuned or upgraded mount for aggressive driving
Verdict A complete, vehicle-specific mount kit that restores engine support and reduces NVH for GMC Terrain drivers who want a factory-style replacement.
4. Advance Ignition Front Engine Motor Mount for GMC Terrain 2.4L
| Position | Front |
|---|---|
| Compatible Engine | 2.4L L4 |
| Compatible Years | 2010–2017 |
| Manufacturer Part Number | TC-203279 |
This Advance Ignition front engine motor mount is a direct replacement designed for 2.4L GMC Terrain models and aims to restore proper engine support and vibration control after the original mount wears out. It installs in the front position and is used to damp engine torque and reduce vibration transmitted to the chassis, which helps protect transmission alignment and driveline components. The part is sold as a single mount and the listing identifies compatible 2010–2017 Terrain 2.4L VIN variations. Practical benefits include straightforward bolt-on installation for most DIYers and a construction intended to meet factory-quality performance for everyday driving. Limitations are typical of budget aftermarket mounts: long-term durability can vary compared with higher-end premium replacements and you should verify the VIN code compatibility before ordering. Expect this to be a cost-effective fix for routine worn-mount symptoms rather than a lifetime solution for aggressive driving conditions.
Best for: Budget-conscious GMC Terrain owners who want a straightforward, inexpensive factory-replacement style fix to eliminate engine movement and vibration for everyday driving.
Less Ideal for: Drivers seeking maximum longevity for high-mileage or performance use or those who prefer upgraded mounts engineered for track or heavy-towing demands should look at premium options instead.
- Direct-fit replacement for front position on 2.4L GMC Terrain models listed, simplifying installation
- Market-priced for budget repairs compared with dealer parts
- Designed to manage engine torque and damp vibration to protect driveline components
- May not match the longevity of premium aftermarket or higher-grade replacements
- Compatibility depends on VIN variation so incorrect VIN match will require return or exchange
Verdict A wallet-friendly, direct-fit front motor mount for 2.4L GMC Terrain owners who need a practical, everyday replacement rather than a heavy-duty upgrade.
5. iKer 2-Pack Engine Motor Mount Kit with Heat Shield
| Unit Count | 2.0 Count |
|---|---|
| Mounting Type | Engine Bay Mount |
| Manufacturer | iKer |
| Model | Engine Motor Mount |
This iKer 2-pack engine motor mount kit is a direct replacement-style set intended to secure the engine to the vehicle frame and reduce vibration transfer into the cabin. In typical use you swap the worn factory mounts for these units to restore engine positioning and reduce resonance while idling or under load. The kit ships with two mounts and includes heat shield hardware so you can retain or reinstall shielding as needed. Buyers will appreciate the iron, aluminum, and rubber construction that aims to balance durability with vibration isolation and the fact it comes as a matched pair for left and right positions. Installation is straightforward for the rear or less obstructed mount locations but some positions on GM vehicles can be awkward and may require lifts or extra labour. A few reviewers noted the metal appears thinner than factory on some pieces, so long-term robustness may be lower than factory-quality parts. Fitment needs to be confirmed for your exact model and year before purchase.
Best for: Risk-averse mainstream buyers looking for a ready-to-install replacement pair to address vibration or engine movement issues and restore everyday driving comfort.
Less Ideal for: Drivers seeking an OEM-level longevity upgrade or a heavy-duty performance mount for towing or high-horsepower applications should consider factory-quality or specialty alternatives.
- Sold as a matched left and right two-pack for simultaneous replacement
- Includes heat shield hardware compatible with reusing factory shields
- Combination of iron, aluminum, and rubber aims to balance strength and vibration damping
- Generally reported to fit well and restore normal engine mounting behavior
- Some users report thinner metal than factory which could affect long-term durability
- Certain mount locations on GM vehicles can be difficult to access and may increase installation time
Verdict A convenient two-pack replacement that restores engine stability and reduces vibration but may not match factory metal thickness for long-term heavy-duty use.
6. JDMON Engine and Transmission Mount Set for 2010-2017 GMC Terrain 2.4L
| Applicable vehicle | GMC Terrain 2.4L (2010-2017) |
|---|---|
| Transmission | Automatic |
| Set contents | 4 mounts |
| Materials | Iron, aluminum and rubber |
This JDMON kit provides the four motor and transmission mounts needed to replace worn mounts on a 2010–2017 GMC Terrain 2.4L automatic. The parts are marketed as direct replacements for several factory part numbers and are made from a combination of metal and rubber to control engine movement and dampen vibration. In practice the set is used to restore stability, reduce engine noise and vibration, and protect driveline components after original mounts age or fail. Installation is a standard repair for garages and experienced DIYers and the listing recommends professional installation. Practical benefits include a full set of mounts in one purchase and materials meant to withstand road use, which should improve ride smoothness and prolong engine life compared with badly deteriorated originals. Important limitations are that fitment must be double-checked against specific part numbers before ordering and that aftermarket mounts can vary in long-term durability compared with factory-quality parts, so expect possible differences in noise or longevity depending on driving conditions.
Best for: Practical optimizers who want a single, budget-minded kit to restore vehicle comfort and drivability on a GMC Terrain 2.4L without sourcing individual parts.
Less Ideal for: Owners seeking an OEM factory-quality matched set with guaranteed long-term lifespan or those unwilling to verify part cross-compatibility before buying.
- Includes a complete set of four mounts to replace both engine and transmission mounts in one purchase
- Compatible with 2010–2017 GMC Terrain 2.4L automatic transmission according to the listing
- Constructed from metal and rubber to reduce vibration and stabilize the engine
- Sells as direct replacements for multiple factory part numbers for easier cross-referencing
- Aftermarket durability can differ from factory-quality mounts and may show varied longevity
- Requires verification of exact part numbers for correct fit before installation
Verdict A cost-conscious four-piece mount kit that restores engine stability on 2010–2017 GMC Terrain 2.4L but requires part-number confirmation and may not match factory longevity.
7. Mardarth Set of 4 Engine and Transmission Mounts for 2010–2017 Captiva Equinox Terrain 2.4L
| Unit Count | 4.0 Count |
|---|---|
| Mounting Type | Chassis Mount |
| Finish Type | Polished |
| Manufacturer | Mardarth |
This Mardarth set includes the four engine and transmission mounts needed to replace worn mounts on 2010–2017 GMC Terrain 2.4L models. Intended as direct factory-quality replacements, the kit is used to remove engine vibration, reduce drivetrain movement, and restore the original ride feel after the old mounts fail. Notable features include vehicle-specific fitment for the 2.4L Terrain and a full set that covers right, left, and rear positions so you can replace all aging mounts at once. In real-world use buyers report improved NVH and a precise fit without modification, and the parts appear finished to a standard suitable for home or shop installation. Limitations are that this is a direct replacement part line rather than an upgraded performance mount, so it focuses on restoring stock behavior rather than increasing stiffness or durability beyond factory levels. Also the kit carries a short 30-day warranty period which may be brief for long-term part confidence.
Best for: A balanced all-round buyer seeking a practical, cost-effective factory-style replacement to restore driving comfort and reduce engine vibration on a GMC Terrain 2.4L.
Less Ideal for: Drivers who want stiffer performance mounts for aggressive driving or off-road use should choose a purpose-built high-performance or heavy-duty option instead.
- Complete four-piece kit covers right, left, and rear engine/transmission positions for one-stop replacement
- Listed compatibility specifically for 2010–2017 Terrain 2.4L, simplifying fitment checks
- Reports of accurate, bolt-on fit and noticeable reduction in engine vibration
- Positioned as factory-quality replacements to restore original ride comfort
- Not engineered as a performance or heavy-duty upgrade beyond factory spec
- Warranty period is limited to 30 days
Verdict A full, vehicle-specific replacement kit that reliably restores factory ride and reduces engine vibration for 2010–2017 GMC Terrain 2.4L owners who want an affordable, bolt-on fix.
Choosing the Right GMC Terrain Engine Mount: Key Factors to Consider
Fitment and Vehicle Specificity
A correct fit ensures the engine sits in the intended position and that mounting points align precisely. Poor fitment can cause misalignment of driveline components, create undue stress on adjacent brackets, and lead to premature wear.
Always verify the mount is specified for the GMC Terrain model year and engine variant you own. Fitment details affect installation time and whether additional hardware or bracket modifications are necessary.
Material and Construction
Mounts are commonly made from bonded rubber, hydraulic fluid-filled chambers, or polyurethane. The chosen material governs how the mount absorbs engine motion and resists degradation from heat, oil, and road contaminants.
Higher-quality materials typically last longer and maintain damping characteristics over time. Consider builds with corrosion-resistant metal components and robust bonding between metal and elastomer to reduce the chance of separation under load.
Vibration Damping Performance
How a mount isolates engine vibration determines cabin comfort and perceived refinement. Some mounts prioritize stiffness to control large movements, while others use softer elements or hydraulic designs to smooth high-frequency vibrations.
Assess the tradeoff between minimizing engine movement during acceleration and isolating small vibrations at idle. The optimal choice balances control of driveline loads with acceptable NVH characteristics for typical driving conditions.
Load Capacity and Durability
Engine mounts must withstand static engine weight plus dynamic loads from acceleration, braking, and cornering. Load capacity and resistance to fatigue influence how long a mount will perform without developing cracks or internal leaks.
Look for mounts rated for the engine's mass and for designs tested for cyclic loading. Durability also depends on resistance to heat and exposure to fluids that can degrade elastomers over time.
Installation Considerations
Some mounts require partial engine support, specific torque values, or access to tight fastener locations. Ease of installation affects labor time and whether a DIY replacement is practical.
Check that the mount includes or lists correct torque specs and any necessary hardware. Consider whether engine positioning or lifting equipment is needed and whether the design allows for straightforward alignment during fitment.
Noise and Symptom Mitigation
Mounts play a central role in reducing clunks, excessive movement under load, and transmission of engine noise into the cabin. Certain designs address common symptoms such as harsh engine shifts, banging during acceleration, or increased vibration at idle.
When evaluating options, think about the symptoms you are experiencing and whether a stiffer or more compliant mount will best mitigate those issues without introducing new NVH tradeoffs.
FAQ
What are common symptoms of a failing engine mount on a GMC Terrain?
Common signs often include increased vibration felt in the cabin, clunking or banging during acceleration or gear changes, and visible engine movement when revving. Symptoms may vary with driving conditions and can be more noticeable at idle or during sudden throttle changes.
Can I replace a GMC Terrain engine mount myself?
Replacing a mount is sometimes feasible for a confident DIYer with the right tools, such as an engine support or jack and proper torque wrenches. It usually requires supporting the engine and following specified torque values. If access is limited or you lack lifting equipment, professional installation can ensure correct alignment.
How long do engine mounts typically last?
Mount life varies depending on driving style, climate, and exposure to oil or coolant. Many mounts last several years under normal use, but aggressive driving, high heat, or fluid contamination can accelerate deterioration. Regular inspection helps catch issues early.
Will a stiffer mount reduce engine vibration?
A stiffer mount can limit large engine movements and reduce some types of vibration, but it may transfer more high-frequency vibration into the cabin. The best choice balances movement control with acceptable noise and comfort levels for your driving habits.
What should I check before buying a replacement mount?
Confirm precise fitment for your GMC Terrain model year and engine, review material and construction details, and verify included hardware and torque specifications. Also consider the symptoms you are trying to address and whether installation will require engine support or special tools.
How We Chose the Best GMC Terrain Engine Mount
Our selection focused on parts that meet the specific fitment and load demands of the GMC Terrain. We prioritized mounts with precise vehicle-specific fitment data, durable construction materials such as bonded rubber and reinforced metal, and designs that control both vertical and torsional engine movement. Vibration damping performance under typical driving loads and the mount's expected fatigue life were key factors. We also considered ease of installation and the availability of detailed torque and installation guidance. We excluded components with ambiguous fitment information, parts lacking material specifications, and universal or non-vehicle-specific mounts that do not restore factory engine alignment. The resulting list emphasizes mounts that address common symptoms while offering reliable mechanical performance and clear installation parameters.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize mounts that provide correct fitment, durable construction, and the right balance of stiffness and damping for the symptoms you are experiencing. Consider installation complexity and whether the mount addresses vibration, noise, or excessive engine movement. Weigh the tradeoffs between long-term durability and NVH performance when choosing a replacement, and ensure any option you select includes clear fitment and installation guidance to minimize installation risk.
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